CN108377938A - Lei Shi lampreys habitat construction method - Google Patents
Lei Shi lampreys habitat construction method Download PDFInfo
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- CN108377938A CN108377938A CN201810175865.XA CN201810175865A CN108377938A CN 108377938 A CN108377938 A CN 108377938A CN 201810175865 A CN201810175865 A CN 201810175865A CN 108377938 A CN108377938 A CN 108377938A
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/73—Artificial fishing banks or reefs assembled of components
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/75—Artificial fishing banks or reefs floating
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/78—Arrangements for sinking or mooring thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of Lei Shi lampreys habitat construction methods, include the following steps：The section of at least one Lei Shi lampreys of selected current survival builds section as habitat；It is spaced apart the multiple regulatable river zoobenthos of height of laying on the upstream river surface that habitat builds section and hides device；The downstream that section is built in habitat is built into riverbank vegetational type along the first Riparian Zone；Multiple fixed Cobitidae fish habitat devices are arranged in the water surface of unhurried current shallow waters between device is hidden by riverbank vegetational type and zoobenthos；Subregion launches natural pebble and forms multiple cobble patches on the riverbed of unhurried current shallow waters simultaneously；And the unhurried current deep water waters of the middle and lower reaches in habitat structure section is spaced apart and sets multiple tree root fish nests in a row.The method of the present invention is sufficiently used the water quality and geomorphologic characteristics in river, and by artificial measures, rapid expansion Lei Shi lampreys inhabit ground area and population quantity, while improving other fish and benthic habitat to a certain extent.
Description
Technical field
The present invention relates to river ecological studying technological domain, more particularly to a kind of Lei Shi lampreys habitat structure side at any time
Method.
Background technology
In recent years, as socio-economic development and population constantly increase, power is developed to water resource and living aquatic resources
Degree is unprecedented surging, and the pressure generated to river ecological environment is increasing, and sewage discharge, hydraulic engineering, the husky mining of digging, diversion fill
Irrigate equal mankind's action attacks aquatile habitat.In addition the reasons such as the overfishing of the mankind, unusual weather conditions, eventually lead to
The decline of Songhua River Basin Diversity of Fish, endangered species quantity are greatly reduced, and rareness species disappearance in part is even become extinct.Its
In, Lei Shi lampreys stock number is also drastically declining, and has been in Critical Condition at present, has been put into《The Chinese red skin of animals on the brink of extinction
Book fish》In, become one of China's precious.
There is largely sand phenomenon is adopted, river sand mining changes the diversification of fluvial morphology for Songhua River Basin river two sides
And hydrodynamic condition, fish spawning ground, feeding ground and migration channel have been occupied, fish habitat habitat has seriously been destroyed, leads to fish
Class habitat is significantly lost and fragmentation, and fish suitable habitats area is drastically reduced, and then to the population number volume production of Species of Rare Fish from Qingdao
Life directly affects.In recent years, to protect ornamental hydrophyte, aquatile in imminent danger, especially Species of Rare Fish from Qingdao are saved, realization can
Sustainable utilization target, a large amount of Ecological Restoration Works are carried out in China's seven major basins.However, the life to cold region river Species of Rare Fish from Qingdao
Border restores not carry out also in China, at present, except using enhancement releasing arranging as cold region river Species of Rare Fish from Qingdao resource recovery
Outside applying, the research of other cold region river Species of Rare Fish from Qingdao Habitat patterns is started late, and also for Lei Shi lamprey Habitat patterns engineering
It has not been reported.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of Lei Shi lampreys habitat construction methods, using " section selection-riverbank
The regulatable river zoobenthos of vegetational type's structure-height hides device laying-substrate grain size transformation-tree root fish nest and constructs "
Habitat constructing technology, the water quality and geomorphologic characteristics in river are sufficiently used, by artificial measures, seven gills of rapid expansion Lei Shi
Eel inhabites ground area, improves its habitat suitability degree, while also improving other fish and benthon to a certain extent
Habitat, contribute to form stable river ecosystem.
In order to realize these purposes and other advantages according to the present invention, a kind of Lei Shi lampreys habitat structure side is provided
Method includes the following steps：
Step 1: the section of at least one Lei Shi lampreys of preliminary selected current survival builds section as habitat, it is described
The length of habitat structure section is at least 300m；
It is laid with multiple regulatable river bottoms of height Step 2: being spaced apart on the upstream river surface that the habitat builds section
The animal that dwells hides device, and is arranged close to the first Riparian Zone of river surface side；
Step 3: mid or late May, the habitat build the downstream of section along the first Riparian Zone transplant rows of calamus and
Distension capsule sedge, is built into riverbank vegetational type, wherein calamus in a row is positioned close to river surface side, the riverbank vegetational type
Length is at least 80m；
Step 4: the water surface setting of the unhurried current shallow waters between riverbank vegetational type and artificial fish nest is multiple fixed
Cobitidae fish habitat device, and the depth of water in waters set by the multiple fixed Cobitidae fish habitat device is less than 0.25m；Simultaneously
Subregion launches natural pebble of the diameter more than or equal to 3cm and forms multiple cobble patches on the riverbed of unhurried current shallow waters, and
The distance between two neighboring cobble patch be 45-55m, wherein on the extending direction of river surface, multiple cobble patches with it is described
Multiple sedge flitches mutually stagger setting；And
Step 5: the unhurried current deep water waters for building the middle and lower reaches of section in the habitat is spaced apart and sets multiple tree roots in a row
Fish nest；
Wherein, the regulatable river zoobenthos of the height hides device and includes：First framework, passes through the group that is flexible coupling
Part floating is arranged on river surface, and at the first Riparian Zone, so that first framework can be same with the lifting of river surface height
Step lifting；Multiple supporting rods, it is evenly-spaced to be arranged in first framework, and the both ends of the multiple supporting rod are fixed
On to corresponding two edges of first framework, and angle≤90 degree of the flow direction of multiple supporting rods and river；And it is multiple
Plant beam is fresh branch folding forming, and one end of the multiple plant beam is evenly-spaced to be fixed on the multiple support
On bar, so that the multiple plant Shu Chaoxiang river surfaces extend below setting；
The fixed Cobitidae fish habitat device includes：Second framework is swum on the water surface, and the second framework
It is positioned close at Riparian zone by the way that spud pile is mobilizable；An at least keel, both ends ride upon in second framework；And
Multiple plant bodies are perennial aquatic and herbaceous plant, and the root of growing thickly of the multiple plant body passes through I uniform intervals of connecting line
It opens in the space being suspended between the second framework and an at least keel, so that the root of growing thickly of multiple plant bodies
The water surface is immersed in hereinafter, stem's protrusion water surface of multiple plant bodies is arranged；Wherein, connecting line I be overlapped at least keel and
In second framework.
Preferably, in the step 1, the water quality of habitat structure section meets or is better than III class water body, and water temperature is
10-20 DEG C, and close to the habitat structure section Riparian zone 4m river surface width ranges in waters flow velocity in 0.1-0.4m/s, water
It is deep to be less than or equal to 0.6m.
Preferably, in the step 3, the distance between adjacent two distensions capsule sedge is 0.9-1.1m；
The Transplanting Density of calamus is 10-12 clumps/m, and 5-6 buds/clump, the transplanting of patch formula, the width of each patch are no more than
2m, patch spacing are 1.8-2.1m.
Preferably, in the step 4, the flow velocity for the shallow waters that flow slowly is less than or equal to 0.2m/s, and the depth of water is less than 0.3m.
Preferably, in the step 5, the flow velocity in unhurried current deep water waters is less than 0.2m/s, depth of water 0.3-0.6m；
The unhurried current deep water waters that the middle and lower reaches of section are built in the habitat is spaced apart the two rows of totally 6 tree root fish nests of setting,
The distance between two neighboring tree root fish nest is 48-52m in same row.
Preferably, soft connection component further includes：
At least one set of spud pile, end portion are inserted into the first Riparian Zone；
Multiple flexible links, it is corresponding with the quantity of at least one set of spud pile, and the both ends of the multiple flexible link
It is connected in the multiple fixed points of at least one set of spud pile and first framework, multiple fixed points are in first framework
On position it is different two-by-two；
Floating ball is connected in first framework；And
At least one set of bar, end portion are inserted into the first Riparian Zone, and at least one set of bar is arranged in rows in described the
Between one framework and at least one set of spud pile, the height of the exposed part more than river surface at least one set of bar is at least
1m。
Preferably, at least one set of bar is two, the frame of the framework of and the distance between two bars≤first
Length；
The frame length of first framework is 2.5-4.5m；The frame of first framework is the willow of diameter 6-8cm
Trunk；The distance between two neighboring supporting rod is 50-60cm；
The multiple plant beam is one or more of fresh branch of poplar, fresh Ramulus ulmi pumilae or fresh willow branch, wherein
A diameter of 6-8cm of one end of any plant beam, length 40-70cm, and on same supporting rod between adjacent two plants beam
Distance is 20-30cm.
Preferably, the end portion of at least one set of spud pile is inserted into the level of the insertion point I and river surface of the first Riparian Zone
Distance at least 50cm；
It is 40-50cm that at least one set of bar, which is inserted into height of water level of the river close to the insertion point of Riparian zone II,.
Preferably, the frame of the second framework is the strip timber of diameter 6-8cm or the trunk gathered materials on the spot, and
The length of the frame is 2-3m；The distance between two adjacent keel are 50-60cm, and an at least keel are length
Bar shaped timber or the trunk gathered materials on the spot；
Plant body is Carex meyeriana and/or distension capsule sedge, and stem's height of multiple plant bodies is at least 15cm；Multiple plants
The height of a diameter of 20-30cm of the root of growing thickly of strain body, root of growing thickly are 20-25cm；It is enclosed in the second framework
In range, the distribution density of the multiple plant body is 3-4 beams/m2。
Preferably, further include：Two bumping posts, end portion are inserted into the first Riparian Zone, and two bumping post is along water (flow) direction
It is arranged between the second framework and spud pile, the frame that the distance between two bumping posts are less than the second framework is long
Degree, the height of the exposed part more than river surface two bumping post are at least 1m.
The present invention includes at least following advantageous effect：
The method of the present invention, using " section selection-regulatable river zoobenthos of riverbank vegetational type structure-height is hided
Device laying-substrate grain size transformation-tree root fish nest is kept away to construct " habitat constructing technology, be sufficiently used river water quality and
Geomorphologic characteristics, by artificial measures, rapid expansion Lei Shi lampreys inhabit ground area, improve its habitat suitability degree, simultaneously
Also other fish and benthic habitat are improved to a certain extent, contribute to form stable river ecological system
System.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is that habitat described in the construction method of lamprey habitat builds river according to class of the present invention in one embodiment
The overlooking structure diagram of section；
Fig. 2 hides device setting according to the regulatable river zoobenthos of height of the present invention in one embodiment and exists
Whole cross-sectional view on river surface；
Fig. 3 hides the vertical view of device according to the regulatable river zoobenthos of height of the present invention in one embodiment
Structural schematic diagram；
Fig. 4 hides device setting according to the regulatable river zoobenthos of height of the present invention in another embodiment
Whole cross-sectional view on river surface；
Fig. 5 is the enlarged structure schematic diagram of part A in Fig. 4；
Fig. 6 hides device setting according to the regulatable river zoobenthos of height of the present invention in further embodiment
Partial top structural schematic diagram on river surface；
Fig. 7 is the enlarged structure schematic diagram of part B in Fig. 6；
Fig. 8 is arranged according to fixed Cobitidae fish habitat device of the present invention in one embodiment on river surface whole
Body cross-sectional view；
Fig. 9 illustrates according to the plan structure of fixed Cobitidae fish habitat device of the present invention in one embodiment
Figure；
Figure 10 shows according to the plan structure of fixed Cobitidae fish habitat device of the present invention in another embodiment
It is intended to；
Figure 11 is arranged according to fixed Cobitidae fish habitat device of the present invention in another embodiment on river surface
Whole cross-sectional view；
Figure 12 is assembled in the section knot on a plant body according to balanced component of the present invention in further embodiment
Structure schematic diagram.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figure 1, the present invention provides a kind of Lei Shi lampreys habitat construction method, include the following steps：
Step 1: the section of at least one Lei Shi lampreys of preliminary selected current survival builds section as habitat, it is described
The length of habitat structure section is at least 300m；
It is laid with multiple regulatable river bottoms of height Step 2: being spaced apart on the upstream river surface that the habitat builds section
The animal that dwells hides device 10；
Step 3: mid or late May, rows of calamus is transplanted in the downstream that section is built in the habitat along the first Riparian Zone
901 and distension capsule sedge 902, it is built into riverbank vegetational type 90, wherein calamus in a row is positioned close to river surface side, the riverbank
The length of vegetational type is at least 80m；
Step 4: the water surface setting of the unhurried current shallow waters between riverbank vegetational type and artificial fish nest is multiple fixed
Cobitidae fish habitat device 50, and the depth of water in waters set by the multiple fixed Cobitidae fish habitat device is less than 0.25m；Together
When on the riverbed of unhurried current shallow waters subregion launch diameter and form multiple cobble patches more than or equal to the natural pebble of 3cm
(dotted box portion in Fig. 1), and the distance between two neighboring cobble patch is 45-55m, wherein in the extending direction of river surface
On, multiple cobble patches mutually stagger setting with the multiple sedge flitch；And
Step 5: the unhurried current deep water waters for building the middle and lower reaches of section in the habitat is spaced apart and sets multiple tree roots in a row
Fish nest 100；
Wherein, as Figure 2-3, the regulatable river zoobenthos of the height hides device and includes：First framework 10,
It is arranged by the floating of soft connection component 20 on river surface 30, and at the first Riparian Zone 40, so that first framework
It can be with the lifting synchronization lifting of river surface height；Multiple supporting rods 101, it is evenly-spaced to be arranged in first framework, and
The both ends of the multiple supporting rod are fixed on corresponding two edges of first framework, and the stream of multiple supporting rods and river
To angle≤90 degree of (arrow show the flow direction in river in Fig. 1)；And multiple plant beams 102, it is folded for fresh branch
Molding, one end of the multiple plant beam is evenly-spaced to be fixed on the multiple supporting rod, so that the multiple plant
Shu Chaoxiang river surfaces extend below setting.In the present solution, the first framework is generally wood quality, such as trunk, bamboo pole etc., convenient for just
Ground is drawn materials, and at low cost, is easy to swim on river surface, and by its synchronization lifting of the seat lifting adjusting of river surface, soft connection component is only
It is to play certain traction fixed function to the first framework, so that it is floated in small-scale river surface, it is avoided to float with river；It is more
A supporting rod is fixed in the first framework, on the one hand strengthens the structure of the first framework, on the other hand provides bondage for plant beam
Support construction, multiple plant beams need the insertion water surface and hide place hereinafter, realizing to provide for river zoobenthos in Different water period,
Also it is provided for Ephemerida benthon and builds the river zoobenthos of nest matrix and hide device；Therefore, it is necessary to use iron wire will
One end of plant beam is fastened on multiple supporting rods, avoids its movement.Fresh branch has certain toughness, generally will not be by water
Stream fractures, and fresh leaf thereon gradually rot after the canebreak that is formed and periphtic algae also can provide food for fish
Object source；
As Figure 8-9, the fixed Cobitidae fish habitat device is removably positioned close to the first Riparian Zone 40
River surface 30 on, including：Second framework 50, swims on the water surface, and the second framework is mobilizable by spud pile 60
It is positioned close at Riparian zone；An at least keel 501, both ends ride upon in second framework, wherein two are taken with upper keel
When being located in second framework, do not contact with each other between keel two-by-two；And multiple plant bodies 502, it is perennial aquatic and herbaceous
Plant, the multiple plant body grow thickly root 5021 by connecting line I 503 it is evenly-spaced be suspended on the second framework and
In space between an at least keel, so that the root of growing thickly of multiple plant bodies is immersed in the water surface hereinafter, multiple plants
Water surface setting is protruded in the stem 5022 of strain body；Wherein, connecting line I 503 is overlapped at least a keel and second framework.In side
In case, second framework is used to support a fixed at least keel and multiple plant bodies so that multiple plant bodies are uniformly distributed and float
It floats on the surface, and its root of growing thickly then is immersed in the water surface hereinafter, in turn, hydrostatic is provided for Cobitidae fish in the fish reproduction phase
And slow water habitat (flow velocity is less than 0.2m/s), and the plant body and periphtic algae inhabited on device provide for Cobitidae fish
The food source stablized；On the other hand, plant body, second framework and at least a keel reduce flow rate of water flow, by cutting
Fine sand and the sticky grains of sand are stayed, plays the role of rush silt and provides various metaplasia to change offshore water substrate grain size for Cobitidae fish
Border condition；Meanwhile also for benthon provide it is good hide environment, rapid expansion zoobenthos inhabites ground area,
The effect that habitat is reinforced is played, stable river ecosystem is contributed to form.
Wherein, multiple plant bodies are herbaceos perennial, have the root expanded grown thickly, it need not be in addition arranged
His supplementary structure just can provide habitat by Cobitidae fish and other small fishes completely.
In one preferred embodiment, in the step 1, the water quality of habitat structure section meets or is better than III class water body,
Water temperature be 10-15 DEG C, and close to the habitat structure section Riparian zone 4m river surface width ranges in waters flow velocity in 0.1-
0.4m/s, the depth of water are less than or equal to 0.6m.
In one preferred embodiment, in the step 3, the distance between adjacent two distensions capsule sedge is 0.9-1.1m；
The Transplanting Density of calamus is 10-12 clumps/m, and 5-6 buds/clump, the transplanting of patch formula, the width of each patch are no more than
2m, patch spacing are 1.8-2.1m.
In one preferred embodiment, in the step 4, the flow velocity for the shallow waters that flow slowly is less than or equal to 0.2m/s, and the depth of water is less than
0.3m。
In one preferred embodiment, in the step 5, the flow velocity in unhurried current deep water waters is less than 0.2m/s, depth of water 0.3-
0.6m；
The unhurried current deep water waters that the middle and lower reaches of section are built in the habitat is spaced apart the two rows of totally 6 tree root fish nests of setting,
The distance between two neighboring tree root fish nest is 48-52m in same row.
As shown in figure 4, in a preferred embodiment, soft connection component further includes：At least one set of spud pile 201, lower end
Divide and is inserted into the first Riparian Zone；Wherein, one group of spud pile can be 1,2 even 3, in practical applications according to water flow velocity
Size of degree and fixed frame etc. determines the quantity for needing to be arranged；Multiple flexible links 202, the quantity at least one set of spud pile
It is corresponding, and the both ends of the multiple flexible link are connected to the multiple solid of at least one set of spud pile and first framework
In fixed point, position of the multiple fixed points in first framework is different two-by-two；Multiple flexible links can be iron wire, steel wire or
The thicker rope made of hemp etc. of diameter；Floating ball is connected in first framework, and floating ball can pass through rope or iron wire, the steel of being flexible coupling
Silk etc. is fixed on around the first framework, it is assisted to swim on river surface always；And at least one set of bar 203, lower end
Divide and be inserted into the first Riparian Zone, and at least one set of bar is arranged in rows between first framework and at least one set of spud pile, it is naked
The height for being exposed at part at least one set of bar of river surface or more is at least 1m.In the present solution, at least one set of bar can be with
It is 1,2 even 3, is arranged in rows between first framework and at least one set of spud pile, the 5-8 months of current year are applied
Period, such as flood, water level increases suddenly in a short time so that it is higher to hide device float position, it is possible to be rushed in river
Hit and the drawing of flexible link under moved close to Riparian zone, when flood is decorporated, when water level decreasing, hide fixed plant in device
Beam is possible to directly contact the mud face of Riparian zone, and then causes to hide in the first Riparian Zone of device parts rest, influences to use
Effect, and after being provided at least one set of bar, even if river level rises, at least one set of bar, which also can effectively stop, hides dress
It sets, avoids it excessively close to the first Riparian Zone, and then effectively avoid hiding in the first Riparian Zone of device parts rest.
As shown in fig. 6, in a preferred embodiment, at least one set bar is two, and the distance between two bars
The frame length of≤the first the first framework of framework；
As shown in Fig. 4,6, the frame length of first framework of the first framework is 2.5-4.5m；First framework first
The frame of framework is the willow trunk of diameter 6-8cm；The distance between two neighboring supporting rod is 50-60cm；
As shown in Figure 2,4, the multiple plant beam is one kind in fresh branch of poplar, fresh Ramulus ulmi pumilae or fresh willow branch
Or it is several, wherein a diameter of 6-8cm of one end of any plant beam, length 40-70cm, and adjacent two on same supporting rod
The distance between plant beam is 20-30cm.In the present solution, the frame length of the first framework can be 2.5m, 3m, 3.5m, 4m
Or 4.5m；The diameter of the frame of first framework can be the willow trunk of 6cm, 7cm or 8cm；Two neighboring supporting rod it
Between distance can be 50cm, 55cm or 60cm.Plant beam is by being formed after the bending binding of fresh branch, since fresh branch has
There is certain toughness, the bending of certain radian can be formed in the other end of plant beam, and then formed in the other end of plant beam
One loose space more expanded, wherein can be provided for river zoobenthos and hide place, also be Ephemerida benthon
Nest matrix is built in offer, and therefore, the binding end diameter of plant beam is slightly less than the diameter of the other end, for example, one end of plant beam
For 6cm, 7cm or 8cm when, the other end may be 15cm, 17cm even 20cm；Length is also due to the scrambling of fresh branch
There is certain difference, for example is 40cm, 50cm, 56cm, 60cm, 63cm, 68cm or 70cm etc.；On same supporting rod, phase
The distance between adjacent two plant beams are no more than 30cm；For example it is 20cm, 24cm, 26cm or 30cm etc..
As shown in Figure 5,6, the regulatable river zoobenthos of height hides device and further includes：Lantern ring 204 is arranged in office
On one bar, and the interior diameter of the lantern ring is more than any bar diameter；And connecting rod 205, one end of which is fixed on the sets
On the side wall of ring, the other end is fixed on the frame of the support frame of the first Riparian Zone, and connecting rod horizontal connection setting exists
Between the lantern ring and the support frame.In the present solution, setting lantern ring and supporting rod are used for the mobilizable connection of the first framework
On bar, it is floated to excessively close to the first Riparian Zone with assisting bar blocking to hide device；The interior diameter of lantern ring is more than bar
Diameter, can meet hide device with the water surface lifting synchronization lifting needs, also, in order to better meet this need
It wants, bar can select bamboo pole or the trunk etc. of epidermis polishing treatment, to reduce the frictional force between lantern ring and bar.Fig. 5
Middle arrow is the current direction in river.
As shown in Fig. 4,6, the end portion of at least one set of spud pile is inserted into the water of the insertion point I and river surface of the first Riparian Zone
Flat distance is at least 50cm；It is 40-50cm that at least one set of bar, which is inserted into height of water level of the river close to the insertion point of Riparian zone II,.
In the above scheme, at least one set of spud pile is not submerged into water generally, is only played the role of bondage and is fixed flexible link, into
And the movable range for restraining the first framework is fixed, and at least one set of bar then must be positioned in certain height of water level, to meet
Stop the first framework excessively close to the first Riparian Zone, can be that gear is set at 40-50cm in river level height in dry season therefore
Bar.And the first framework may be provided at close to the river surface side of bar, but the general river that is not arranged in is central, and it is proximate to the first river
Bank band is arranged.
In practical applications, the fresh blade on multiple plant beams in 28-30 days because rotting, the basic consumption such as food is stung
Totally, the plant beam that therefore, it is necessary to more renew ensures the application effect for hiding device；Generally in the 5-8 months of current year in application,
Primary the multiple plant beam was replaced at interval of 28-30 days；The regulatable river zoobenthos of the height hides device also
Including two one metal wires, intersects and be extended on the diagonal line of first framework；As shown in fig. 6, two metals
Silk ensures the stable structure of the first framework, extends its service life for being further fixed to the first framework；Such as Fig. 7 institutes
Show, right angle fixing piece 104, be located in the joining place of the two neighboring frame of first framework, and the right angle fixing piece
Opening towards the first framework center；Pairs of through-hole 1041, is arranged on right angle fixing piece；Multiple staples 1042, it is right
It should removably be inserted into pairs of through-hole, and be inserted into the frame of the first framework through pairs of through-hole；And multiple V-arrangement articulation pieces
1043, it is separately positioned on four right angle fixing pieces of first framework, and the both ends hinge of any one V-arrangement articulation piece
It connects and is arranged on a right angle fixing piece；One end of any one metal wire is connected to the middle part of V-arrangement articulation piece.Due to first
Framework is wooden, after impregnating for a long time in river, is easy to rot, and the linking part of the frame of the first framework then more
It is easily damaged, therefore is used to further reinforce the linking part of the first framework in the present solution, right angle fixing piece is arranged,
And facilitate provided with staple and right angle fixing piece is fixed in the first framework, and V-arrangement articulation piece then provides bondage for wire
Fixed point is conveniently operated, and further the first framework of protection.Right angle fixing piece can be that stainless steel or PVC material etc. are anti-
Rotten material.
As shown in Figures 9 and 10, in a preferred embodiment, the frame of the second framework is the strip timber of diameter 6-8cm
Or the trunk gathered materials on the spot, and the length of the frame is 2-3m；The frame of the framework is the length of diameter 6cm, 7cm or 8cm
Bar shaped timber or the trunk gathered materials on the spot, for example willow is dry, willow is dry etc., and the length of the frame be 2m, 2.3m, 2.6m or
3m is selected as needed；And then the shape of framework can be rectangle, square or diamond shape etc.；
The distance between two adjacent keel are 50-60cm, and an at least keel are for strip timber or just
The trunk of ground materials；Keel can gather materials on the spot, and the more straight willow trunk of application makes, and both ends are fixed on frame by bondages such as iron wires
On body, or fixed by steel nail.
As shown in Fig. 8,12, plant body is Carex meyeriana and/or distension capsule sedge, and stem's height of multiple plant bodies is at least
For 15cm；The height of a diameter of 20-30cm of the root of growing thickly of multiple plant bodies, root of growing thickly are 20-25cm；Described second
In the range of framework encloses, the distribution density of the multiple plant body is 3-4 beams/m2.In practical applications, it is normally applied
Single Carex meyeriana and/or a diameter of 20-25cm of plant body of distension capsule sedge；It can water around after the stem of sedge grows tall
Face bends and is formed the shed space of bigger, and provides canebreak group food for Cobitidae fish.It provides and multiple plant is set
The proper density of body can be flow by providing certain space, and then retain the fine sand in flow and the sticky grains of sand, play rush and become silted up
Effect.
As shown in figure 11, in a preferred embodiment, further include：Two bumping posts 50, end portion are inserted into the first Riparian Zone, institute
It states two bumping posts to be arranged between the framework and spud pile along water (flow) direction, the distance between two bumping posts are less than the framework
Frame length, the height of the exposed part more than river surface two bumping post is at least 1m.In the present solution, being fixed in application
During formula Cobitidae fish habitat device, such as flood, water level increases suddenly in a short time so that fixed Cobitidae fish habitat
Device float position increases, and water velocity increases, therefore, close to bank under river impact and the containing of the wire of spud pile
Band is mobile, and when flood is decorporated, when water level decreasing, there is the root of growing thickly of fixed plant body in fixed Cobitidae fish habitat device
The mud face of Riparian zone may be directly contacted, and then leads to the first Riparian Zone of fixed Cobitidae fish habitat device parts rest
On, using effect is influenced, and provided with after two bumping posts, even if river level rises, two bumping posts also can effectively stop fixed
Cobitidae fish habitat device avoids it excessively close to the first Riparian Zone, and then effectively avoids fixed Cobitidae fish habitat device
Parts rest is in the first Riparian Zone.
As shown in figure 12, wherein the fixed Cobitidae fish habitat device further includes balanced component 60 comprising ring
Button 601, removably be located in the root of growing thickly of plant body；Multiple spines 6011 are dashed forward from the inner surface of the latch closure
Go out setting, and multiple spines are inserted into growing thickly in root close to stem；Multiple through holes 6012, it is corresponding two-by-two to be opened in the ring
It buckles, and connecting line I is arranged through wherein corresponding two through holes opened up through latch closure and root of growing thickly；Multiple compensating grooves 602,
One end of which is fixed on the outer surface of the latch closure, the other end extends outwardly setting to the anchor ring perpendicular to the latch closure；And institute
Multiple compensating grooves are stated removably to be located on part connecting line I.In the present solution, balanced component is a pair of with multiple plant bodies one
It should be arranged, for multiple plant bodies to be preferably fixed in an at least space between keel and framework, and can be by more
The horizontal support effect of a compensating groove so that multiple plant bodies are erected on water body always；Wherein, multiple spines are pierced into root of growing thickly
It is interior, and then multiple supporting points are provided around plant body, in practical applications, the maximum gauge of multiple spines is no more than 10mm, long
Degree is no more than 15mm, should avoid the root of growing thickly that plant body is injured in application process as possible；Latch closure can be softwood matter fiber band,
Plastic tape etc., can also be head and the tail be hingedly arranged it is Metal Flake；Connecting line I runs through through wherein corresponding two through holes opened up
Latch closure and root setting of growing thickly, and then latch closure can share the gravity of plant part body, and connection is directly plugged to reduce root of growing thickly
The damage that it is generated after line I.
Current year the 5-8 months in application, replacing primary the multiple plant body at interval of 61-62 days.In practical applications,
Multiple plant bodies grow thickly root in 60-61 days because river water is washed away, rotted, eat to sting etc. and can damage seriously, and therefore, it is necessary to replace
New plant body, to ensure the application effect of fixed Cobitidae fish habitat device.
Embodiment 1
A kind of Lei Shi lampreys habitat construction method, includes the following steps：
Step 1 section selects
It selects in May, 2017 Song Hua River level-one tributary Chinese parasol tree river mainstream plain tract to carry out Lei Shi lampreys habitat and builds work
Make, the region water quality is good, is in III class water body throughout the year, is once in a while IV class water, water temperature is between 10-15 degrees Celsius, through prior
Fishing and fingerling identify that surviving in waters has Lei Shi lampreys, other fish species are with Heilungkiang Bitterling Barb, the wheat head, loach, the north
Based on the types such as palpus loach, carry out the long 300m in section of habitat structure, waters flow velocity is in 0.1-0.4m/ within the scope of Riparian zone 4m
Between s, the depth of water is less than 0.6m；
It is laid with multiple regulatable river bottoms of height Step 2: being spaced apart on the upstream river surface that the habitat builds section
The animal that dwells hides device；The specification that river zoobenthos hides the first framework of device is 4m × 4m, and willow stake is arranged (extremely in Riparian zone
Few one group of spud pile), the first framework both ends are fixed on by iron wire in willow stake, and a river zoobenthos is fixed every 10m
Hide device, amounts to and be laid with 6；
Step 3: mid or late May, the habitat build the downstream of section along first the first Riparian Zone of Riparian Zone transplant at
The calamus and distension capsule sedge of row, is built into riverbank vegetational type, wherein calamus in a row is positioned close to river surface side, the riverbank
The length of vegetational type is at least 80m；
Specially：The total transplanting 80 of distension capsule sedge, transplanting spacing distance are 1m, and Chang is transplanted in distension capsule sedge front row waters
Pu, density are about 10-12 clumps/m, and the width of 5-6 buds/clump, the transplanting of patch formula, each patch is no more than 2m, and patch spacing is 2m
Left and right；The flow velocity of this regional flow is less than 0.2m/s, and the depth of water is less than 0.3m；
Step 4: the water surface setting of the unhurried current shallow waters between riverbank vegetational type and artificial fish nest is multiple fixed
Cobitidae fish habitat device, and the depth of water in waters set by the multiple fixed Cobitidae fish habitat device is 0.1-0.22m；Together
When on the riverbed of unhurried current shallow waters subregion launch diameter and form multiple cobble patches more than or equal to the natural pebble of 3cm,
And the distance between two neighboring cobble patch is 45-50m；
Specially：The specification of the second framework of fixed Cobitidae fish habitat device is 2m × 2m, in each second framework
12 sedges are fixed by iron wire, 2 second frameworks are one group side by side, place one group of second framework every 2m, amount to and be laid with 6
Group；
3 cobble patches are set, and two neighboring cobble patch spacing is 10-11m, and the width of any one cobble patch does not surpass
Cross 2m, of length no more than 5m；And
Step 5: the unhurried current deep water waters for building the middle and lower reaches of section in the habitat is spaced apart and sets multiple rivers in a row
Zoobenthos hides device；
6, tree root fish nest is placed in unhurried current deep water (flow velocity is less than 0.2m/s, depth of water 0.3-0.6m) waters, spacing distance exists
50m or so, fix on each root disk by fresh branch and careless banding at plant beam 50-70 handles, 1/3 embedment water level of tree root disk
Hereinafter, simultaneously with a diameter of 3cm, the drill rod trigonometric expression that length is 1m fixes tree root fish nest.
As a result：
In July, 2016, investigation was shown, in identical section, found 9 kinds of fish, respectively Lei Shi lampreys, loach, snake altogether
Minnow, Heilungkiang Bitterling Barb, crucian carp, La Shi Minnow, the wheat head, Pueraria lobota formula perch sleeper, north palpus loach, Lei Shi lampreys and the young are 21；
And after 1 method carries out Lei Shi lampreys habitat structure according to an embodiment of the invention, in July, 2017, investigation was aobvious
Show, finds 14 kinds of fish, respectively Lei Shi lampreys, loach, snake Minnow, Heilungkiang Bitterling Barb, crucian carp, La Shi Minnow, the wheat head, northern palpus altogether
Loach, Lei Shi lampreys and the young are spent in loach, Pungitius sinensis, lake Minnow, Xing Kaiyin Minnow, Heilungkiang loach, Misgurnus auguillicaudatus, Heilungkiang
32；Wherein, Lei Shi ammocoetes appear in fixed Cobitidae fish habitat device on sedge, and Lei Shi lamprey adults go out
Present structure area of vegetational type and tree root fish nest bottom；
Compared with section identical as 2016：
Lei Shi lamprey population quantities are significantly increased, and specific growth rate is 52.3%；
Fish species are also significantly increased, and specific increment rate is 55.6%.
To sum up, Lei Shi lampreys provided by the invention habitat construction method, using " section selection-riverbank vegetational type structure
Build-the regulatable river zoobenthos of height hides device laying-substrate grain size transformation-tree root fish nest and constructs " habitat structure
Technology is sufficiently used the water quality and geomorphologic characteristics in river, by artificial measures, the habitat of rapid expansion Lei Shi lampreys
Area improves its habitat suitability degree, while also improving other fish and benthic habitat to a certain extent,
Contribute to form stable river ecosystem.
Embodiment 2
Step 1 section selects
In late May, 2017 selects Song Hua River level-one tributary Chinese parasol tree river mainstream middle and lower reaches section to carry out Lei Shi lampreys habitat
Construction work, the region water quality is good, throughout the year be in III class water body, be once in a while IV class water, water temperature between 10-15 degrees Celsius,
Identified with fingerling through catching in advance, in waters survival have Lei Shi lampreys, other fish species with Heilungkiang Bitterling Barb, the wheat head, crucian carp,
Based on the types such as Xing Kaiyin Minnow, carry out the long 320m in section of habitat structure, waters flow velocity is in 0.1- within the scope of Riparian zone 4m
Between 0.3m/s, the depth of water is less than 0.5m；
It is laid with multiple regulatable river bottoms of height Step 2: being spaced apart on the upstream river surface that the habitat builds section
The animal that dwells hides device；The specification that river zoobenthos hides the first framework of device is 4m × 4m, and willow stake is arranged (extremely in Riparian zone
Few one group of spud pile), the first framework both ends are fixed on by iron wire in willow stake, and a river zoobenthos is fixed every 10m
Hide device, amounts to and be laid with 6；
Step 3: mid or late May, the habitat build the downstream of section along first the first Riparian Zone of Riparian Zone transplant at
The calamus and distension capsule sedge of row, is built into riverbank vegetational type, wherein calamus in a row is positioned close to river surface side, the riverbank
The length of vegetational type is at least 80m；
Specially：The total transplanting 80 of distension capsule sedge, transplanting spacing distance are 1m, and Chang is transplanted in distension capsule sedge front row waters
Pu, density are about 10-12 clumps/m, and the width of 5-6 buds/clump, the transplanting of patch formula, each patch is no more than 2m, and patch spacing is 2m
Left and right；The flow velocity of this regional flow is less than 0.2m/s, and the depth of water is less than 0.3m；
Step 4: the water surface setting of the unhurried current shallow waters between riverbank vegetational type and artificial fish nest is multiple fixed
Cobitidae fish habitat device, and the depth of water in waters set by the multiple fixed Cobitidae fish habitat device is less than 0.15-
0.24m；Subregion launches natural pebble of the diameter more than or equal to 3cm and forms multiple ovum on the riverbed of unhurried current shallow waters simultaneously
Lithosporic block, and the distance between two neighboring cobble patch is 50-55m；
Specially：The specification of the second framework of fixed Cobitidae fish habitat device is 2m × 2m, in each second framework
12 sedges are fixed by iron wire, 2 second frameworks are one group side by side, place one group of second framework every 2m, amount to and be laid with 6
Group；
3 cobble patches are set, and two neighboring cobble patch spacing is 11-12m, and the width of any one cobble patch does not surpass
Cross 2m, of length no more than 5m；And
Step 5: the unhurried current deep water waters for building the middle and lower reaches of section in the habitat is spaced apart and sets multiple rivers in a row
Zoobenthos hides device；
6, tree root fish nest is placed in unhurried current deep water (flow velocity is less than 0.2m/s, depth of water 0.3-0.5m) waters, spacing distance exists
50m or so, fix on each root disk by fresh branch and careless banding at plant beam 60-80 handles, 1/3 embedment water level of tree root disk
Hereinafter, simultaneously with a diameter of 3cm, the drill rod trigonometric expression that length is 1m fixes tree root fish nest.
As a result：
In July, 2016 investigation display in identical section, finds 9 kinds of fish altogether, respectively Lei Shi lampreys, snake Minnow, black
It is 18 that Longjiang Bitterling Barb, crucian carp, La Shi Minnow, the wheat head, lake Minnow, Xing Kaiyin Minnow, stick, which spend fish, Lei Shi lampreys and the young,；
And after 1 method carries out Lei Shi lampreys habitat structure according to an embodiment of the invention, in July, 2017, investigation was aobvious
Show, finds 13 kinds of fish, respectively Lei Shi lampreys, loach, snake Minnow, Heilungkiang Bitterling Barb, crucian carp, La Shi Minnow, the wheat head, northern palpus altogether
Loach, lake Minnow, Xing Kaiyin Minnow, catfish, Leuciscus waleckii, stick spend fish, Lei Shi lampreys and the young 27；Wherein, Lei Shi lampreys
The young appears in fixed Cobitidae fish habitat device on sedge, Lei Shi lamprey adults appear in vegetational type structure area and
Tree root fish nest bottom；
Compared with section identical as 2016：
Lei Shi lamprey population quantities are significantly increased, and specific growth rate is 50.0%；
Fish species are also significantly increased, and specific increment rate is 44.44%.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of Lei Shi lampreys habitat construction method, which is characterized in that include the following steps：
Step 1: the section of at least one Lei Shi lampreys of preliminary selected current survival builds section, the habitat as habitat
The length of structure section is at least 300m；
It dwells Step 2: being spaced apart on the upstream river surface that the habitat builds section and being laid with multiple regulatable river bottoms of height
Object hides device, and is arranged close to the first Riparian Zone of river surface side；
Step 3: mid or late May, rows of calamus and distension capsule are transplanted in the downstream that section is built in the habitat along the first Riparian Zone
Sedge is built into riverbank vegetational type, wherein calamus in a row is positioned close to river surface side, the length of the riverbank vegetational type
At least 80m；
Step 4: the water surface setting of the unhurried current shallow waters between device is hidden by riverbank vegetational type and zoobenthos is multiple solid
Fixed pattern Cobitidae fish habitat device, and the depth of water in waters set by the multiple fixed Cobitidae fish habitat device is less than 0.25m；
Subregion launches natural pebble of the diameter more than or equal to 3cm and forms multiple cobble spots on the riverbed of unhurried current shallow waters simultaneously
Block, and the distance between two neighboring cobble patch is 45-55m, wherein on the extending direction of river surface, multiple cobble patches
Setting is mutually staggered with the multiple sedge flitch；And
Step 5: the unhurried current deep water waters for building the middle and lower reaches of section in the habitat is spaced apart and sets multiple tree root fishes in a row
Nest；
Wherein, the regulatable river zoobenthos of the height hides device and includes：First framework, is floated by soft connection component
Float is set on river surface, and at the first Riparian Zone, is risen so that first framework can be synchronized with the lifting of river surface height
Drop；Multiple supporting rods, it is evenly-spaced to be arranged in first framework, and the both ends of the multiple supporting rod are fixed to institute
It states on corresponding two edges of the first framework, and angle≤90 degree of the flow direction of multiple supporting rods and river；And multiple plants
Beam is fresh branch folding forming, and one end of the multiple plant beam is evenly-spaced to be fixed on the multiple supporting rod,
So that the multiple plant Shu Chaoxiang river surfaces extend below setting；
The fixed Cobitidae fish habitat device includes：Second framework is swum on the water surface, and the second framework passes through
Spud pile is mobilizable to be positioned close at Riparian zone；An at least keel, both ends ride upon in second framework；And it is multiple
Plant body, is perennial aquatic and herbaceous plant, and the root of growing thickly of the multiple plant body is evenly-spaced outstanding by connecting line I
It hangs in the space between the second framework and an at least keel, so that the root immersion of growing thickly of multiple plant bodies
In the water surface hereinafter, stem's protrusion water surface setting of multiple plant bodies；Wherein, connecting line I is overlapped on an at least keel and second
In framework.
2. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that in the step 1, the life
The water quality of border structure section meets or is better than III class water body, and water temperature is 10-20 DEG C, and close to the bank of habitat structure section
Waters flow velocity is less than or equal to 0.6m in 0.1-0.4m/s, the depth of water in band 4m river surface width ranges.
3. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that in the step 3, adjacent two
The distance between distension capsule sedge is 0.9-1.1m；
The Transplanting Density of calamus is 10-12 clumps/m, and 5-6 buds/clump, the width of the transplanting of patch formula, each patch are no more than 2m, spot
Block spacing is 1.8-2.1m.
4. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that in the step 4, unhurried current is shallow
The flow velocity in water waters is less than or equal to 0.2m/s, and the depth of water is less than 0.3m.
5. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that in the step 5, unhurried current is deep
The flow velocity in water waters is less than 0.2m/s, depth of water 0.3-0.6m；
The unhurried current deep water waters that the middle and lower reaches of section are built in the habitat is spaced apart the two rows of totally 6 tree root fish nests of setting, same
The distance between two neighboring tree root fish nest is 48-52m in row.
6. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that soft connection component further includes：
At least one set of spud pile, end portion are inserted into the first Riparian Zone；
Multiple flexible links, it is corresponding with the quantity of at least one set of spud pile, and the both ends difference of the multiple flexible link
It is connected in the multiple fixed points of at least one set of spud pile and first framework, multiple fixed points are in first framework
Position is different two-by-two；
Floating ball is connected in first framework；And
At least one set of bar, end portion is inserted into the first Riparian Zone, and at least one set of bar is arranged in rows in first frame
Between body and at least one set of spud pile, the height of the exposed part more than river surface at least one set of bar is at least 1m.
7. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that at least one set bar is two
Root, the frame length of the framework of and the distance between two bars≤first；
The frame length of first framework is 2.5-4.5m；The frame of first framework is the willow trunk of diameter 6-8cm；
The distance between two neighboring supporting rod is 50-60cm；
The multiple plant beam is one or more of fresh branch of poplar, fresh Ramulus ulmi pumilae or fresh willow branch, wherein any
A diameter of 6-8cm of one end of plant beam, length 40-70cm, and the distance between adjacent two plants beam on same supporting rod
For 20-30cm.
8. Lei Shi lampreys as claimed in claim 6 habitat construction method, which is characterized in that the lower end of at least one set of spud pile
The insertion point I of the first Riparian Zone of partial insertion is at least 50cm with the horizontal distance of river surface；
It is 40-50cm that at least one set of bar, which is inserted into height of water level of the river close to the insertion point of Riparian zone II,.
9. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that the frame of the second framework is
The strip timber of diameter 6-8cm or the trunk gathered materials on the spot, and the length of the frame is 2-3m；Two adjacent keel it
Between distance be 50-60cm, and at least keel are strip timber or the trunk gathered materials on the spot；
Plant body is Carex meyeriana and/or distension capsule sedge, and stem's height of multiple plant bodies is at least 15cm；Multiple plant bodies
Root of growing thickly a diameter of 20-30cm, the height of root of growing thickly is 20-25cm；In the range that the second framework encloses
Interior, the distribution density of the multiple plant body is 3-4 beams/m2。
10. Lei Shi lampreys as described in claim 1 habitat construction method, which is characterized in that further include：
Two bumping posts, end portion are inserted into the first Riparian Zone, and two bumping post is arranged in second frame along water (flow) direction
Between body and spud pile, the distance between two bumping posts are less than the frame length of the second framework, the exposed portion more than river surface
It is divided to the height of two bumping post to be at least 1m.
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| CN108377938B (en) | 2020-05-12 |
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