CN106359210B - A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel - Google Patents
A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel Download PDFInfo
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- CN106359210B CN106359210B CN201610701290.1A CN201610701290A CN106359210B CN 106359210 B CN106359210 B CN 106359210B CN 201610701290 A CN201610701290 A CN 201610701290A CN 106359210 B CN106359210 B CN 106359210B
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- 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
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Abstract
The present invention provides a kind of methods of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel, after the juvenile mollusk of Trachyostracous mussel is kept a full stand of seedings in sea area, mussel is wrapped in the mesh bag of sudd matter, then the mesh bag for being enclosed with mussel seed is concatenated, it launches in the rock reef phase of natural waters or the intertidal zone of block stone phase, completes the artificial fecundation of Trachyostracous mussel.The method of the present invention selects manila rope as attachment base, and fine cordage is wound on manila rope, increases the basal surface of mussel byssus attachment；The mesh bag of Bao Miao and the rope made of hemp of the spatfall equal energy rapid-digestion after being washed away by seawater, do not need manual demolition, effectively reduce hand labor, and will not bring to environment " plastic garbage "；Mussel can first anchor on mesh bag or the rope made of hemp, and with the resolution of mesh bag and the rope made of hemp, mussel can be attached in rock reef gap, and the mode of this secondary attachment of mussel substantially increases adhesive rate of the seed on rock reef, improves the effect of mussel artificial fecundation.
Description
Technical field
The present invention relates to a kind of artificial fecundation methods of Trachyostracous mussel, and in particular to a kind of intertidal zone artificial fecundation of rock reef phase
The method of Trachyostracous mussel belongs to fisheries resources conservation technical field.
Background technique
Trachyostracous mussel is under the jurisdiction of Mollusca, Bivalvia, is commonly called as mussel, Hai Hong, is mainly distributed on Japanese, Korea and I
The ground such as the Huanghai Sea, the East Sea and the Taiwan of state, wherein in the NanJi Isalnds of the Shengsi archipelago in Zhoushan, the fishing mountain archipelago in Ningbo and Wenzhou
NATURAL DISTRIBUTION is particularly evident.Under natural conditions, their waves that are attached to are hit on the off-lying sea rock of band more.Because its individual is big, meat fertilizer
Beauty is the important economic marine breeds of Along Zhejiang Coast, and local many residents' dependence fish mussel and make a living, so they are artificially adopted
The pressure caught is very big, wherein the quantity of Trachyostracous mussel has greatly reduced, stock number in the intertidal zone that artificially do not protected
It is significant to reduce, therefore the proliferation of Trachyostracous mussel resource and the demand of protection are very urgent.
Artificial propagation, seed rearing and the process formed naturally of Trachyostracous mussel have been relatively mature, at present Trachyostracous mussel
Artificial seed's has been relatively easy to.In the Shengsi archipelago sea area of Zhoushan Of Zhejiang Province, Trachyostracous mussel is had evolved into
Local fisherman is engaged in the Important Economic type of artificial breeding, and economic benefit is considerable.But the natural habitat of Trachyostracous mussel is more
Intertidal zone and subtidal zone for rock reef phase, and Trachyostracous mussel is perennial type, generally requires 3-4's from seed to forming
Time, therefore growth cycle is long, this also there is the problem of a mussel resource spontaneous recovery: be exactly oneself of Trachyostracous mussel
Right resource is once destroyed, and the process of spontaneous recovery will be extremely very long, and which exasperates to Trachyostracous mussel protection of resources
Demand.
Currently, researcher and fisherman carried out the artificial fecundation of Trachyostracous mussel, but the method being proliferated is usually used
Intertidal zone send out naturally and sends out naturally+two methods of cover net.Above two method has accruing for Trachyostracous mussel
Certain meaning, but be mainly reflected in actual operation there is also many problems: first method is in exposed intertidal zone
It sends out, is sent out after being generally all selected in seawater ebb, but Trachyostracous mussel is attached on rock or other attachments by byssus,
The usual mussel byssus secretion and completely fixed time is more than 12 hours, and the time that tidewater flood tide is flooded, to be generally less than 3 small
When, as soon as therefore Tidal period, the mussel seedling sent out swept away by seawater；Second method is the improvement to first method,
Cover net is placed in the region sent out, and prevents and treats the escape of mussel, this has been played to a certain extent a little acts on, but intertidal zone is mostly broken
Stone, unevenness, the mussel seedling after covering net are escaped also clearly.Therefore above two method, for the Trachyostracous mussel that accrues
It is not best selection.
Summary of the invention
The technical problem to be solved is that in view of the deficienciess of the prior art, and providing a kind of rock reef phase intertidal zone for this hair
The method of artificial fecundation Trachyostracous mussel, this method can increase the basal surface of mussel byssus attachment using the rope made of hemp as attachment base, and
The rope made of hemp can with rapid-digestion, without remove, effectively reduce hand labor, and will not bring to environment " plastic garbage "；In addition,
Mussel can first anchor on mesh bag or the rope made of hemp, and with the resolution of mesh bag and the rope made of hemp, mussel can be attached in rock reef gap, this
The mode of the secondary attachment of mussel substantially increases adhesive rate of the seed on rock reef, improves the effect of mussel artificial fecundation.
In order to achieve the above technical purposes, the present invention adopts the following technical scheme:
A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel, comprising the following steps:
(1) screen cloth is cut into rectangular screen cloth block, manila rope is cut into manila rope section, manila rope section is placed in
The center (as shown in Figure 1) of screen cloth block, the trend of manila rope section is identical as the long side of screen cloth block, and the length of manila rope section is greater than
The length of screen cloth block；Several fine cordages are loosely wound in manila rope section；
(2) by the juvenile mollusk kept a full stand of seedings by sea area hanging bag from upper peeling of restricting of keeping a full stand of seedings, the juvenile mollusk of peeling crosses the hole sizer of 2-3cm, from
And guarantee to be sufficiently separated between juvenile mollusk；The monomer juvenile mollusk of removing is uniformly sent out in the two sides of step (1) the manila rope section
(as shown in Figure 2)；
(3) after sowing mussel, the long side of screen cloth block is rolled to center, so that the mussel in screen cloth block be wrapped up
Get up to be formed screen cloth packet (as shown in Figure 3)；Then with fine cordage by screen cloth cladding winding, knot, fine cordage screen cloth wrap every
5-8cm is knotted, thus by the fixed screen cloth bag for forming a complete package mussel of the mussel of monolith screen cloth and Qi Nei
(as shown in Figure 4)；
(4) both ends for the 5-10 screen cloth bag that step (3) obtains are lain in respectively on two hawsers (as shown in Figure 5),
The both ends of hawser are respectively to have a numb matter mesh bag to form a seedling net；Stone is placed in the mesh bag to convenient in tide
Between band it is fixed；
(5) the seedling net that step (5) obtains first is placed in large-scale seawater slot and temporarily supports 12-24h, in order to the seed of juvenile mollusk
It is affixed on the rope made of hemp；After spring tide ebb, entire seedling net is laid in the rock crevice of intertidal zone；Placement location selection attachment life
Object is more, the intertidal zone of rock or block stone phase, and water flow is unsuitable too fast, and wave should not be too large, release place select as far as possible it is close low
Near damp line, middle low tidal region also may be selected, high tidal region not may be selected；Such as sunlight illumination stronger megathermal period is placed, it can be with
Appropriate selection puggaree covers, dead due to high temperature to prevent mussel.
Preferably, in step (1), the screen cloth, preferably outsourcing material are the screen cloth of sudd matter；The thick fiber crops
Rope, the preferably manila rope of diameter 20mm or more；The fine cordage is the fine cordage of diameter 1mm.
Preferably, it in step (1), after the manila rope impregnates 48h or more in the seawater, can directly use,
It is reused after can drying；After the fine cordage equally impregnates 48h or more in the seawater, can directly it use, it can also be with
It is reused after drying.
Preferably, in step (1), the screen cloth block, width 25cm, length 3-10m；The manila rope section,
Segment length is at least than screen cloth segment length 40cm.
Preferably, in step (2), the juvenile mollusk of the peeling, length specification 1-2cm.
Preferably, in step (2), monomer juvenile mollusk is sent out in the two sides of the manila rope section, every 10cm manila rope section is broadcast
Spread monomer juvenile mollusk 30-50.
Preferably, in step (4), 30-60cm is divided between the screen cloth bag.
The advantages of method of the invention, is: by using the mesh bag and the rope made of hemp that can be cleared up naturally, improving Trachyostracous mussel
Survival rate and natural adhesive rate in intertidal zone.Firstly, selecting manila rope as attachment base, and thin fiber crops are wound on manila rope
Rope increases the basal surface of mussel byssus attachment；Secondly, the mesh bag of Bao Miao and the rope made of hemp of spatfall are equal after being washed away by seawater
Energy rapid-digestion, does not need manual demolition, effectively reduces hand labor, and will not bring to environment " plastic garbage "；Third,
Mussel can first anchor on mesh bag or the rope made of hemp, and with the resolution of mesh bag and the rope made of hemp, mussel can be attached in rock reef gap, this
The mode of the secondary attachment of mussel substantially increases adhesive rate of the seed on rock reef, improves the effect of mussel artificial fecundation.
Detailed description of the invention
Fig. 1: in the method for the present invention, manila rope section is placed in the schematic diagram in the center of screen cloth block；
Fig. 2: in the method for the present invention, mussel places schematic diagram；
Fig. 3: in the method for the present invention, mussel schematic diagram is wrapped up；
Fig. 4: in the method for the present invention, the screen cloth bag schematic diagram of formation；
Fig. 5: in the method for the present invention, seedling curtain structure schematic diagram.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Embodiment 1:
The material used in the present embodiment includes: Trachyostracous mussel juvenile mollusk (shell height be averaged 1.55cm) 6000, sudd matter net
Cloth 15m, manila rope (diameter 20mm or more) 17m, fine cordage (diameter 1mm) is several, the connection rope made of hemp is several, mesh bag 4；
A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel, comprising the following steps:
(1) by the screen cloth of sudd matter, rectangular screen cloth block, wide 25cm, length 3m are cut into；By manila rope (diameter
20mm or more) and fine cordage through seawater soaking 48h, manila rope is cut into 5 sections of manila rope sections that length is 3.4m；Net will be placed in
The trend in the center of cloth, manila rope section is identical as the long side of screen cloth block, and screen cloth block is respectively exposed at the both ends of manila rope section
20cm；Several fine cordages are loosely wound in manila rope section；
(2) monomer Trachyostracous mussel juvenile mollusk uniformly to be sent out in the screen cloth block of step (2), each screen cloth sends out 1200,
Averag density is that every 10cm places 40, seed；
(3) the screen cloth block that step (3) are formed is rolled from both sides, then wraps up mussel；With fine cordage since one end
It is fixed, it knots one every 5-8cm, successively fixes whole screen cloth and the rope made of hemp, form a complete screen cloth bag；
(4) 5 screen cloth bags for forming step (4), both ends are connected respectively on two hawsers, between two bags
Distance is 50cm；Mesh bag 1 is fixed at the both ends of hawser respectively, and the built-in stone of mesh bag forms a seedling net in order to fixation；
(5) 12h will be temporarily supported in above-mentioned seedling net large size seawater slot, be then placed into aquaculture in which sea area, aquaculture
The adhesive rate of mussel is counted after 48h, natural adhesive rate is 100%.
Embodiment 2:
Substantially the same manner as Example 1, the difference is that screen cloth used is plastic material, manila rope used is also plastics material
Matter, the adhesive rate of mussel is counted after aquaculture 48h, and natural adhesive rate is 100%.
Embodiment 3:
It is substantially the same manner as Example 1, the difference is that screen cloth used be sudd matter, manila rope used be diameter 20mm with
On plastic ties, the adhesive rate of mussel is counted after aquaculture 48h, natural adhesive rate is 100%.
Comparative example 1:
Size, the juvenile mollusk of specification similarly to Example 1 are selected, the difference is that not using upper type, takes direct tide
Between the mode sent out of band, after implementing 12h, the adhesive rate of mussel is only 15.2%, and to after implementing 48h, the adhesive rate of mussel is only
6.4%.
Comparative example 2:
Size, the juvenile mollusk of specification similarly to Example 1 are selected, the difference is that not using above-mentioned packet seedling mode, is taken
Direct intertidal zone sends out+mode of cover net, after implementing 12h, the adhesive rate of mussel is only 62.8%, and to after implementing 48h, mussel
Adhesive rate is 45.6%.
Continue it has been observed that sudd matter screen cloth employed in the embodiment of the present invention 1 starts to disappear after seawater impregnates 7 days
Solution, until being cleared up completely after 15 days；Manila rope used in embodiment 1, gradually clears up after 2 months.Modeling used in embodiment 2
Material screen cloth and plastic ties cannot be cleared up naturally, to guarantee mussel normal growth, need manual demolition screen cloth.Implement paper used in 3
Herbaceous stem screen cloth resolution rule is consistent with embodiment 1, but plastic ties cannot be cleared up, will long-term existence in nature if do not removed.
Examples detailed above is technical conception and technical characteristics to illustrate the invention, can not be limited with this of the invention
Protection scope.The equivalent transformation or modification that all essence according to the present invention is done, should all cover in protection scope of the present invention
Within.
Claims (7)
1. a kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel, which comprises the following steps:
(1) screen cloth is cut into rectangular screen cloth block, manila rope is cut into manila rope section, manila rope section is placed in screen cloth
The trend in the center of block, manila rope section is identical as the long side of screen cloth block, and the length of manila rope section is greater than the length of screen cloth block；To
Several fine cordages are loosely wound in manila rope section；
(2) by the juvenile mollusk kept a full stand of seedings by sea area hanging bag from upper peeling of restricting of keeping a full stand of seedings, the juvenile mollusk of peeling crosses the hole sizer of 2-3cm, to protect
It is sufficiently separated between card juvenile mollusk；The monomer juvenile mollusk of removing is uniformly sent out in the two sides of step (1) the manila rope section；
(3) after sowing mussel, the long side of screen cloth block is rolled to center, so that the mussel in screen cloth block be wrapped up
Form screen cloth packet；Then with fine cordage by screen cloth cladding winding, knotting, fine cordage is wrapped in screen cloth and is knotted every 5-8cm, from
And the mussel of monolith screen cloth and Qi Nei are fixed to the screen cloth bag for forming a complete package mussel；
(4) both ends for the 5-10 screen cloth bag that step (3) obtains are lain in respectively on two hawsers, the both ends of hawser are respectively to have
One numb matter mesh bag is to form a seedling net；Stone is placed in the mesh bag to fix to convenient in intertidal zone；
(5) the seedling net that step (5) obtains first is placed in large-scale seawater slot and temporarily supports 12-24h, in order to which the seed of juvenile mollusk is fixed
Onto the rope made of hemp；After spring tide ebb, entire seedling net is laid in aquaculture in the rock crevice of intertidal zone.
2. the method according to claim 1, wherein it is paper that the screen cloth, which is outsourcing material, in step (1)
The screen cloth of herbaceous stem；The manila rope is the manila rope of diameter 20mm or more；The fine cordage is the thin fiber crops that diameter is 1mm
Rope.
3. the method according to claim 1, wherein the manila rope impregnates in the seawater in step (1)
After 48h, reused after directly using or dry；After the fine cordage equally impregnates 48h in the seawater, directly uses or dry in the air
It is reused after dry.
4. the method according to claim 1, wherein in step (1), the screen cloth block, width 25cm, length
Degree is 3-10m；The manila rope section, segment length is at least than screen cloth segment length 40cm.
5. the method according to claim 1, wherein in step (2), the juvenile mollusk of the peeling, length specification
For 1-2cm.
6. the method according to claim 1, wherein being sent out in step (2) in the two sides of the manila rope section
Monomer juvenile mollusk, every 10cm manila rope section sow monomer juvenile mollusk 30-50.
7. the method according to claim 1, wherein being divided into 30- between the screen cloth bag in step (4)
60cm。
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| CN110140679A (en) * | 2019-05-29 | 2019-08-20 | 浙江海洋大学 | It is a kind of quickly to hang and take mussel seedling rope device |
| CN110326565B (en) * | 2019-08-14 | 2024-05-07 | 浙江海洋大学 | Automatic seedling machine of package of netting type mussel |
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| CN1484946A (en) * | 2002-09-25 | 2004-03-31 | 中国科学院海洋研究所 | Fry anaphase intermediate formation method adapated for seashell of shallows-tidal-flat area |
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