CN110447451A - A kind of salt water ecological restoration technology on river method based on mangrove - Google Patents
A kind of salt water ecological restoration technology on river method based on mangrove Download PDFInfo
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- CN110447451A CN110447451A CN201910860436.0A CN201910860436A CN110447451A CN 110447451 A CN110447451 A CN 110447451A CN 201910860436 A CN201910860436 A CN 201910860436A CN 110447451 A CN110447451 A CN 110447451A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The invention belongs to water body environment pollution prevention and control fields, and in particular to a kind of salt water ecological restoration technology on river method based on mangrove, including tame and be colonized step.The present invention can be polluted using the well developed root system of mangrove, the characteristic of salt tolerant for salt water river regulation.The present invention introduces a fine variety mangrove to high latitude area, and is acted on using its own powerful water body purification, tames to mangrove, and allowing it to adapt to high latitude area growing environment realizes the restoration of the ecosystem in salt water river.After taming step, the survival rate of mangrove cultivation seedling can achieve 60%-80%, can perform well in the water remediation in 29 degree of north latitude or more 29 degree of south latitude or less salt water rivers.It is no more than 30% by the death rate of the mangrove that the method for the present invention is cultivated and is tamed after transplant planting in two years.
Description
Technical field
The invention belongs to water body environment pollution prevention and control fields, and in particular to a kind of salt water pollution of river based on mangrove
Administering method.
Background technique
Mangrove is tropical and subtropical zone ocean intertidal zone plant, is mainly distributed on the ground such as Guangdong, Hainan and Fujian.Mangrove is planted
Object possesses deep-rooted root system, and dykes and dams are protected in energy purifying water body pollution.Mangrove has the survival and development of the mankind practical
Value especially can bring apparent ecological benefits for its littoral resident.Under the influence of global warming effect, mangrove
Distributed areas are possible to extend to more high latitudes.Currently, mangrove is introduced a fine variety into Wenzhou District of Zhejiang Province, Taizhou and Zhoushan
Function.
Salt water river is a kind of more special river, and ecological restoration technology on river is always the problem of local government, there has been no
Actually active method can control the salt water pollution of river.Since most of salt water river is communicated with sea, seawater is fallen at high tides
It fills, rainy season water expires flood discharge, and water quality category brackish water, dry season salinity is high, and rainy season salinity is low, so most plants, animal are difficult
The existence of salt water river.
Chinese patent application " a method of the Water ecoenvironment based on aquatic plant harvesting " (application number:
201110376425.9) provide it is a kind of using artificial or weed cutting equipment in growth period harvesting water plant removal lake
Nutritive salt keeps the ecological maintenance method of lake view, water stabilization.This method is confined to control suitable for the pollution of poisons in freshwater
Reason, is not particularly suited for the salt water river of coastal area, is also not suitable for the salt water river in high-temperature area.
Therefore, it in current scientific research and practice, needs to develop a kind of growth characteristics using mangrove, is directed to
Salt water ecological restoration technology on river method reduces the horizontal of pollutant in salt water river, and the ecological balance and water body for restoring river are certainly
Purification.
Summary of the invention
The present invention provides a kind of salt water ecological restoration technology on river method based on mangrove, and this method includes domestication and field planting
Step can reduce the content of pollutant in salt water river.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of salt water ecological restoration technology on river method based on mangrove, comprising the following steps:
Domestication step: mangrove is transplanted into the first container of the kind implantation in part containing cultivation matrix, is then carried out
Salinity domestication processing, temperature acclimatisation processing, the mangrove after being tamed；
Field planting step: the mangrove after the domestication is transplanted into second container, then the second container is placed
In the salt water river.
In a preferred embodiment, the kind of the mangrove is selected from: autumn eggplant and/or Aegiceras corniculatum.
In a preferred embodiment, in the domestication step, for mature plumular axis, height is for the part of transplanting
15~30cm, preferably 20cm；Preferably, it is 2~8cm that the plumular axis, which is inserted into the depth of the cultivation matrix,.
In a preferred embodiment, in the domestication step, the material of the first container is selected from: resin or ceramics；
Preferably, the upper bore of the first container is 15-20cm, is highly 20-30cm；Preferably, the bottom of the first container
Equipped with clathrum, it is highly preferred that the mesh number of its mesh is 10-15 mesh.
In a preferred embodiment, in the domestication step, the mass ratio of sand and clay in the cultivation matrix is
(20-60): 100.
In a preferred embodiment, in the domestication step, it is high that the height of the cultivation matrix accounts for the first container
The 60-90% of degree.
In a preferred embodiment, in the domestication step, the salinity domestication processing includes: daily to described first
Seawater 2 times that different salinity is poured in container, are kept for 5~7 hours, remaining time drains water every time；Preferably, the seawater
Salinity range be 0.5 ‰ -20 ‰, the salinity range of the seawater poured for the first time is 10 ‰ -20 ‰, second seawater poured
Salinity range be 0.5 ‰ -10 ‰, the salinity of the salinity of the seawater that first time pours than second of seawater poured
It is high by 3 ‰ -12 ‰, preferably 5 ‰ -10 ‰；Preferably, interval 0.5-2 is small since pouring end for the first time and pouring to second
When, preferably 1 hour；Preferably, the duration of the salinity domestication processing is 3-4 months.
In a preferred embodiment, in the domestication step, the temperature acclimatisation processing includes: in ambient temperature
When being 5-15 DEG C, with 4~8 hours, preferably 6 hours were interval, by the mangrove in 5-15 DEG C of the first temperature and the second temperature
It is alternately placed at 15-25 DEG C of degree, 3 DEG C higher than the first temperature of the second temperature or more；Preferably, the temperature acclimatisation is handled
Each time is 3-4 months；Preferably, temperature acclimatisation processing carries out twice, is the winter and for transplanting current year respectively
2 years winters.
In a preferred embodiment, in the field planting step, the bore of the second container is 20-40cm, and depth is
30-50cm；Preferably, in the field planting step, in the salt water river, the water-immersed height of second container is greater than etc.
In the 1/3 of total height；It is highly preferred that distribution density of the mangrove in salt water river after the domestication is every square metre of 2-
3 plants.
In a preferred embodiment, the salt water river is located on the south 29 ° of north latitude of the Northern Hemisphere or the south latitude in the Southern Hemisphere
To the north of in the of 29 °, and the area that year-round average temperature is 10-20 DEG C；The salt water river is the river being connected to sea；Preferably, institute
The dry season salinity for stating salt water river is 10-30 ‰, and more preferably 10-20 ‰, rainy season salinity is 0.5-20 ‰, more preferably 5-
15%.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention can be polluted using the well developed root system of mangrove, the characteristic of salt tolerant for salt water river regulation.The present invention
Mangrove is introduced a fine variety to high latitude area, and is acted on using its own powerful water body purification, mangrove is tamed,
Allowing it to adapt to high latitude area growing environment realizes the restoration of the ecosystem in salt water river.After taming step, mangrove cultivates seedling
Survival rate can achieve 60%-80%, the water in 29 degree of north latitude or more 29 degree of south latitude or less salt water rivers can be performed well in
Body reparation.By the mangrove that the method for the present invention is cultivated and is tamed, the death rate is very low after transplant planting, in two years dead
Rate is died no more than 30%.
2, the present invention is tamed by using the adaptability that the mode of potting carries out temperature and salinity, and using being manually colonized
Mangrove after domestication is planted in the river levee edge in salt water river by mode, and river flowed backward by irregular flood tide, water
Full flood discharge, forms irregular tide, can also meet mangrove growth demand.
3, each parameter synergistic effect in each step of the invention, further improves mangrove to salt water river jointly
The regulation effect in road.
4, salt water river is repaired using mangrove, water body purification not only may be implemented, while also seabird, bottom will be attracted to dwell
Biogenic accumulation accelerates river and constructs natural ecological system, especially realize the restoration of the ecosystem in high latitude area salt water river in this.
Specific embodiment
The present invention provides a kind of salt water ecological restoration technology on river method based on mangrove, and dry season salinity is 10-30 ‰,
More preferably 10-20 ‰, rainy season salinity are 0.5-20 ‰, more preferably 5-15%.Method includes the following steps:
Step 1: domestication: by mangrove transplant part kind implantation include cultivation matrix the first container, then into
The processing of row salinity domestication, temperature acclimatisation processing, the mangrove after being tamed.
The kind of above-mentioned mangrove is selected from: two kinds of autumn eggplant, Aegiceras corniculatum most cold-resistant mangroves, other mangrove kinds resist cold
Property is not as good as both.
For mature plumular axis, height is 15~30cm, preferably 20cm for above-mentioned part of transplanting.With adopting after acquisition plumular axis
The seawater on collection ground impregnates 1h, and the first container is moved into 48h.
The plastic flowerpot or jardiniere of above-mentioned the first container preferred resin raw material (such as: acrylic resin), thereon bore
It is highly 20~30cm for 15~20cm.
The bottom of above-mentioned the first container is placed with clathrum, and the mesh number of the mesh of the clathrum is (i.e. 1 square of 10-15 mesh
Have 10-15 mesh on inch area), which can be selected the materials such as nylon, metal, glass fibre, wherein it is preferred that nylon
Material is impregnated to prevent long-time to be corroded in the seawater.The clathrum is blinded by the bottom of the first container, is especially blinded by bottom
The macropore in portion, make bottom without macropore and can it is permeable, make development of plants initial stage, root will not be pierced by container bottom, and can coil
Section is in a reservoir.
The depth of above-mentioned plumular axis insertion cultivation matrix is 2~8cm.The height of above-mentioned cultivation matrix is the first container height
60~90%.Above-mentioned cultivation matrix includes husky and clay, wherein husky and clay mass ratio is (20-60): 100.The proportion
Cultivation matrix is conducive to the survival rate of plant.The sand that the present invention uses can be river sand and be also possible to sea sand, preferably sea sand, with
Under be sea sand used in each embodiment.
Above-mentioned salinity domestication processing can directly carry out after cultivation, comprising: imitative semi-diurnal tides fluctuation rule, daily to above-mentioned
Seawater (can be natural sea-water or the seawater manually prepared) 2 times that different salinity is poured in the first container, keep 5~7 every time
Hour, remaining time drains water；Preferably, the salinity range of seawater is 0.5 ‰ -20 ‰, the seawater salinity poured for the first time
For 10-20 ‰, second of seawater salinity poured is 0.5-10 ‰, and second than low 3-12 ‰, preferably 5-10 ‰ for the first time；
It is poured end is poured to second since first time and is spaced 0.5-2 hours, preferably 1 hour.What the high salinity of first time was poured
Range meets the normal growth demand of mangrove, if directly poured with secondary Low-salinity, to the irritation of mangrove
It is relatively strong；Control is for the first time and second of salinity is poor, using the lower irrigation of high Low-salinity, it is therefore an objective to mangrove be allowed slowly to adapt to Low-salinity
Environment improves its resistance.Above-mentioned salinity domestication processing is continuously 3-4 months.It is alternately tamed by high Low-salinity, can allow mangrove
Plant gradually adapts to the variation of salinity, the influence for avoiding salinity cataclysm from growing it.
Above-mentioned temperature acclimatisation processing can also directly carry out after cultivation, it is preferred that carrying out in winter, in order to utilize
Natural external environment condition, the temperature acclimatisation processing include: ambient temperature be 5-15 DEG C when (generally winter), with
4~8 hours, preferably 6 hours were interval, by above-mentioned mangrove in 5-15 DEG C of the first temperature (generally outdoors) and second temperature
15-25 DEG C (generally in greenhouse) is alternately placed, and 5 DEG C lower than second temperature of the first temperature or more；Preferably, above-mentioned temperature
Acclimation carries out twice, and the domestication time is the winter for the winter and second year for transplanting current year respectively；Above-mentioned temperature acclimatisation processing
Each duration be 3-4 months.
Above-mentioned acclimation method is suitable on the south on the Northern Hemisphere 29 ° of north latitude or to the north of 29 ° of south latitude of the Southern Hemisphere, and Nian Ping
The area that equal temperature is 10-20 DEG C.This method initial time (Mangrove hypocotyl is planted to the time into soil) is the annual 4-5 month
Part, daily mean temperature is 15-20 DEG C, preferably April；The whole cycle (taming the total time of step) of nursery is 1~2
Year, preferably 2 years.By salinity and temperature acclimatisation, survival rate ((the mangrove seedling quantity/shifting survived after taming of mangrove
Plant the quantity into the first container) × 100%) it can achieve 75-80%.
Step 2: artificial field planting: the mangrove after above-mentioned domestication being transplanted into second container, then described second is held
Device is placed in the salt water river.
The upper bore of above-mentioned second container is 20-40cm, depth 30-50cm.
Above-mentioned second container is more than or equal to the 1/3 of second container total height in water-immersed height, is preferably placed on salty
The edge in water river；By the way that the irregular flood tide in river is flowed backward, water expires flood discharge, forms irregular tide, meet mangrove plant
Object grows demand.
In order to guarantee the repairing effect in river, distribution density of the mangrove in salt water river after the domestication is every
Square metres 2-3 plants.
After river water body repairs 1-2, the mangrove in potting directly can be transplanted to river together with roots and soil
Edge, the Transplanting Density of plant is square metre 2-3 plants, to realize the beautification and greening in river.
The salinity in the salt water river through mangrove restoration of the ecosystem of the invention is 10-20 ‰ in dry season, and rainy season is 5-15 ‰.Mesh
The preceding river applied has in the door of Zhoushan Shen Xihe River salt water river, Zhoushan Lu Jia stand erect No. four rivers, Zhoushan Shen door Lu Xi
River river, this three river salinity ranges are essentially identical.These rivers water before being handled using the method for the present invention in following embodiment
Suspended matter, total organic carbon, total phosphorus and total nitrogen seriously exceed V class water highest limit value in body.After 2 years, according to GB11901-89
Detection method suspended matter reduce 20-40%, reduced according to the detection method COD (COD) of GB11914-89
20-30% reduces 18-25% according to the detection method total nitrogen (TN) of GB11893-89, according to the detection side of GB11894-89
Method total phosphorus (TP) reduces 15-20%, has restored the ecological balance in salt water river, realizes the auto purification effect of water body.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments be only used for the present invention without
For limiting the scope of the invention.Externally it should be understood that after reading the contents of the present invention, those skilled in the art are to this hair
Bright to make various changes or modifications, these equivalent forms also fall within the scope of the appended claims of the present application.
Embodiment 1
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.The restorative procedure of the present embodiment the following steps are included:
(1) choose seeds: the plumular axis of the autumn eggplant in acquisition mangrove, acquisition time are the annual 4-5 month.With local sea after seed collecting
Water impregnates 1h, moves into the first container in 48h.
(2) potting: the flowerpot of selection acrylic resin raw material, bore 20cm, height 30cm, flowerpot bottom are put into conjunction thereon
Suitable size screen cloth, the mesh number of mesh are 15 mesh.The height that soil (cultivation matrix) is put into flowerpot accounts for the 80% of height of flowerpot, soil
Husky and clay ratios (mass ratio) is 80% in earth.Mangrove hypocotyl is directly inserted into flowerpot soil, insertion depth 6cm.
(3) salinity domestication: imitative semi-diurnal tides fluctuation rule pours seawater 2 times into flowerpot daily, 5 hours every time, remaining when
Between water is drained；The salinity of the seawater poured for the first time is 10 ‰, and second of salinity poured is 5 ‰, pours knot from first time
Beam is poured to second starts interval 1 hour；Salinity domestication continues 3-4 months.
(4) temperature acclimatisation: the time in winter carries out high and low temperature alternative domestication to mangrove, red with 6 hours for interval
Tree plant outdoors 10-15 DEG C with 20-25 DEG C in greenhouse, greenhouse is 5-10 DEG C higher than outdoor, carries out replacing placement, be handed over
For placement, taming the time is to continue 3-4 months every time.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove reaches 80%.
(5) artificial field planting: the mangrove after above-mentioned domestication is transplanted into second container, the upper bore of second container is
30cm, depth 40cm；Second container is placed in the edge in salt water river again, second container is to hold in water-immersed height
The 2/3 of device height.
It through zonule experiment (42-50 square metres of water surface area, 1.2 meters of the depth of water) and detects, through 80-100 plants of mangroves
The salt water river of restoration of the ecosystem, suspended matter, which reduces 30%, COD, after the amount of water purification water body is 50-60 cubic metres, 2 years reduces
25%, TN, which reduce 20%, TP, reduces 15%, has restored the ecological balance in salt water river, realizes the auto purification effect of water body
Fruit.In addition, mangrove of the field planting beside river controls below 30% in the death rate over 2 years.
Comparative example 1
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.
Step (1), (2), the operation of (3) use, parameter, apparatus are same as Example 1.
Step (4): imitative semi-diurnal tides fluctuation rule is poured seawater 2 times into flowerpot, every time holding 5 hours daily, remaining when
Between water is drained, wherein every time pour seawater salinity be 10 ‰, this step others operation and parameter with 1 phase of embodiment
Together.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove is only 70%.The plant that domestication is survived
Strain field planting carries out small area test in the door of Zhoushan Shen beside the salt water river of the Xihe River, over 2 years, the plant death rate is 40%, water
Body clean-up effect is slightly poor.
Comparative example 2
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.
Step (1), (2), the operation of (4) use, parameter, apparatus are same as Example 1.Step (3): when in winter
Section carries out high and low temperature alternative domestication to mangrove, and with 3 hours for interval, mangrove is carried out with greenhouse outdoors
It alternately places, the operation of this step others and parameter are same as Example 1.After above-mentioned salinity domestication and temperature acclimatisation,
The survival rate of mangrove is only 65%.Will the plant that survives of domestication be colonized in the door of Zhoushan Shen beside the salt water river of the Xihe River into
The test of row small area, over 2 years, the plant death rate is 50%, and water body purification effect is poor.
Comparative example 3
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.
Step (1), (3), the operation of (4) use, parameter, apparatus are same as Example 1.Step (2): sandy soil and clay
Mass ratio be 10:100, this step others operation and parameter it is same as Example 1.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove is only 70%.
Comparative example 4
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.
Step (1), (3), the operation of (4) use, parameter, apparatus are same as Example 1.Step (2): husky and clay
Mass ratio is 90:100, and the operation of this step others and parameter are same as Example 1.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove is only 70%.
Embodiment 2
The salt water river of the present embodiment is that Zhoushan Lu Jia stands erect No. four salt water rivers, and the salinity in dry season and rainy season is respectively
10-20 ‰ and 5-15 ‰.The restorative procedure of the present embodiment the following steps are included:
(1) choose seeds: the plumular axis of the autumn eggplant in acquisition mangrove, acquisition time are the annual 4-5 month.With local sea after seed collecting
Water impregnates 1h, moves into the first container in 48h.
(2) potting: selection jardiniere, bore 15cm, height 20cm, flowerpot bottom are put into suitable size screen cloth thereon,
The mesh number of mesh is 12 mesh.The height that soil is put into flowerpot accounts for the 80% of height of flowerpot, husky and clay ratios (quality in soil
Than) it is 60%.Mangrove hypocotyl is directly inserted into flowerpot soil, insertion depth 5cm.
(3) salinity domestication: imitative semi-diurnal tides fluctuation rule pours seawater 2 times into flowerpot daily, 6 hours every time, remaining when
Between water is drained；The salinity of the seawater poured for the first time is 15 ‰, and second of salinity poured is 5 ‰, pours knot from first time
Beam is poured to second starts interval 1 hour；Salinity domestication continues 4 months.
(4) temperature acclimatisation: the time in winter carries out high and low temperature alternative domestication to mangrove, red with 6 hours for interval
Tree plant outdoors 5-10 DEG C with 15-20 DEG C in greenhouse, greenhouse is 5-10 DEG C higher than outdoor, carries out replacing placement, be handed over
For placement, taming the time is to continue 3-4 months every time.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove reaches 75%.
(5) artificial field planting: the mangrove after above-mentioned domestication is transplanted into second container, the upper bore of second container is
30cm, depth 40cm；Second container is placed in the edge in salt water river again, second container is to hold in water-immersed height
The 2/3 of device height.
It through zonule experiment (42-50 square metres of water surface area, 1.2 meters of the depth of water) and detects, through 80-100 plants of mangroves
The salt water river of restoration of the ecosystem, suspended matter, which reduces 25%, COD, after the amount of water purification water body is 50-60 cubic metres, 2 years reduces
20%, TN, which reduce 20%, TP, reduces 18%, has restored the ecological balance in salt water river, realizes the auto purification effect of water body
Fruit.In addition, mangrove of the field planting beside river controls below 30% in the death rate over 2 years.
Embodiment 3
The salt water river of the present embodiment is Zhoushan Shen door reed Xihe River salt water river, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.The restorative procedure of the present embodiment the following steps are included:
(1) choose seeds: the plumular axis of the Aegiceras corniculatum in acquisition mangrove, acquisition time are the annual 4-5 month.With locality after seed collecting
Seawater impregnates 1h, moves into the first container in 48h.
(2) potting: selection acrylic resin flowerpot, bore 20cm, height 25cm, flowerpot bottom are put into suitable size thereon
Screen cloth, the mesh number of mesh are 10 mesh.The height that soil is put into flowerpot accounts for the 75% of height of flowerpot, husky and clay ratios in soil
(mass ratio) is 50%.Mangrove hypocotyl is directly inserted into flowerpot soil, insertion depth 5cm.
(3) salinity domestication: imitative semi-diurnal tides fluctuation rule pours seawater 2 times into flowerpot daily, 6 hours every time, remaining when
Between water is drained；The salinity of the seawater poured for the first time is 10 ‰, and second of salinity poured is 5 ‰, pours knot from first time
Beam is poured to second starts interval 1 hour；Salinity domestication continues 3-4 months.
(4) temperature acclimatisation: the time in winter carries out high and low temperature alternative domestication to mangrove, red with 6 hours for interval
Tree plant outdoors 5-10 DEG C with 15-20 DEG C in greenhouse, greenhouse is 5-10 DEG C higher than outdoor, carries out replacing placement, be handed over
For placement, taming the time is to continue 4 months every time.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove reaches 75%.
(5) artificial field planting: the mangrove after above-mentioned domestication is transplanted into second container, the upper bore of second container is
30cm, depth 40cm；Second container is placed in the edge in salt water river again, second container is to hold in water-immersed height
The 2/3 of device height.
It through zonule experiment (42-50 square metres of water surface area, 1.2 meters of the depth of water) and detects, through 80-100 plants of mangroves
The salt water river of restoration of the ecosystem, suspended matter, which reduces 30%, COD, after the amount of water purification water body is 50-60 cubic metres, 2 years reduces
20%, TN, which reduce 25%, TP, reduces 16%, has restored the ecological balance in salt water river, realizes the auto purification effect of water body
Fruit.In addition, mangrove of the field planting beside river controls below 30% in the death rate over 2 years.
Embodiment 4
The salt water river of the present embodiment is Xihe River salt water river in the door of Zhoushan Shen, and the salinity in dry season and rainy season is respectively
10-15 ‰ and 5-10 ‰.The restorative procedure of the present embodiment the following steps are included:
(1) choose seeds: the plumular axis of the Aegiceras corniculatum in acquisition mangrove, acquisition time are the annual 4-5 month.With locality after seed collecting
Seawater impregnates 1h, moves into the first container in 48h.
(2) potting: selection jardiniere, bore 15cm, height 20cm, flowerpot bottom are put into suitable size screen cloth thereon,
The mesh number of mesh is 15 mesh.The height that soil is put into flowerpot accounts for the 80% of height of flowerpot, husky and clay ratios (quality in soil
Than) it is 50%.Mangrove hypocotyl is directly inserted into flowerpot soil, insertion depth 4cm.
(3) salinity domestication: imitative semi-diurnal tides fluctuation rule pours seawater 2 times into flowerpot daily, 7 hours every time, remaining when
Between water is drained；The salinity of the seawater poured for the first time is 15 ‰, and second of salinity poured is 5 ‰, pours knot from first time
Beam is poured to second starts interval 1 hour；Salinity domestication continues 3 months.
(4) temperature acclimatisation: the time in winter carries out high and low temperature alternative domestication to mangrove, red with 6 hours for interval
Tree plant outdoors 10-15 DEG C with 20-25 DEG C in greenhouse, greenhouse is 5-10 DEG C higher than outdoor, carries out replacing placement, be handed over
For placement, taming the time is to continue 4 months every time.
After above-mentioned salinity domestication and temperature acclimatisation, the survival rate of mangrove reaches 75%.
(5) artificial field planting: the mangrove after above-mentioned domestication is transplanted into second container, the upper bore of second container is
30cm, depth 40cm；Second container is placed in the edge in salt water river again, second container is to hold in water-immersed height
The 2/3 of device height.
It through zonule experiment (42-50 square metres of water surface area, 1.2 meters of the depth of water) and detects, through 80-100 plants of mangroves
The salt water river of restoration of the ecosystem, suspended matter, which reduces 35%, COD, after the amount of water purification water body is 50-60 cubic metres, 2 years reduces
25%, TN, which reduce 20%, TP, reduces 18%, has restored the ecological balance in salt water river, realizes the auto purification effect of water body
Fruit.In addition, mangrove of the field planting beside river controls below 30% in the death rate over 2 years.
Claims (10)
1. a kind of salt water ecological restoration technology on river method based on mangrove, it is characterised in that: the administering method includes following
Step:
Domestication step: mangrove is transplanted into the first container of the kind implantation in part containing cultivation matrix, then carries out salinity
Acclimation, temperature acclimatisation processing, the mangrove after being tamed；
Field planting step: the mangrove after the domestication is transplanted into second container, then the second container is placed in institute
It states in salt water river.
2. administering method according to claim 1, it is characterised in that:
The kind of the mangrove is selected from: autumn eggplant and/or Aegiceras corniculatum.
3. administering method according to claim 1, it is characterised in that:
In the domestication step, for mature plumular axis, height is 15~30cm, preferably 20cm for the part of transplanting；It is excellent
Selection of land, the depth that the plumular axis is inserted into the cultivation matrix is 2~8cm.
4. administering method according to claim 1, it is characterised in that:
In the domestication step, the material of the first container is selected from: resin or ceramics；
Preferably, the upper bore of the first container is 15-20cm, is highly 20-30cm；
Preferably, the bottom of the first container is equipped with clathrum, it is highly preferred that the mesh number of its mesh is 10-15 mesh.
5. administering method according to claim 4, it is characterised in that:
In the domestication step, the mass ratio of sand and clay in the cultivation matrix is (20-60): 100.
6. administering method according to claim 5, it is characterised in that:
In the domestication step, the height of the cultivation matrix accounts for the 60-90% of the first container height.
7. administering method according to claim 1, it is characterised in that:
In the domestication step, the salinity domestication processing includes: the sea for pouring different salinity into the first container daily
It water 2 times, is kept for 5~7 hours every time, remaining time drains water；Preferably, the salinity range of the seawater is 0.5 ‰-
20 ‰, the salinity range of the seawater poured for the first time is 10 ‰ -20 ‰, and the salinity range of second of seawater poured is 0.5 ‰ -
10 ‰, the salinity for the seawater that the first time pours is higher by 3 ‰ -12 ‰ than the salinity of second of seawater poured, preferably
5‰-10‰；Preferably, it is poured end is poured to second since first time and is spaced 0.5-2 hours, preferably 1 hour；It is excellent
Selection of land, the duration of the salinity domestication processing are 3-4 months.
8. administering method according to claim 1, it is characterised in that:
In the domestication step, temperature acclimatisation processing include: when ambient temperature is 5-15 DEG C, with 4~8 hours,
It is preferred that 6 hours are interval, the mangrove is alternately placed at 5-15 DEG C and 15-25 DEG C of second temperature of the first temperature, institute
State 3 DEG C higher than the first temperature of second temperature or more；Preferably, each time of the temperature acclimatisation processing is 3-4 months；It is excellent
Selection of land, the temperature acclimatisation processing carry out twice, are the winter for the winter and second year for transplanting current year respectively.
9. administering method according to claim 1, it is characterised in that:
In the field planting step, the bore of the second container is 20-40cm, depth 30-50cm；
Preferably, in the field planting step, in the salt water river, the water-immersed height of second container is more than or equal to total
The 1/3 of height；It is highly preferred that distribution density of the mangrove in salt water river after the domestication is every square metre 2-3 plants.
10. administering method according to claim 1, it is characterised in that:
The salt water river is located on the south 29 ° of north latitude of the Northern Hemisphere or to the north of 29 ° of south latitude of the Southern Hemisphere, and year-round average temperature is
10-20 DEG C of area；The salt water river is the river being connected to sea；Preferably, the dry season salinity in the salt water river is
10-30 ‰, more preferably 10-20 ‰, rainy season salinity are 0.5-20 ‰, more preferably 5-15%.
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| CN111557206A (en) * | 2020-06-10 | 2020-08-21 | 浙江省舟山市水产研究所 | Method for cultivating Kandelia candel seedlings by using culture tail water |
| CN111567377A (en) * | 2020-05-12 | 2020-08-25 | 浙江森古生物科技有限公司 | Wild-like high-quality dendrobium nobile cultivation method |
| CN111567378A (en) * | 2020-05-12 | 2020-08-25 | 浙江森古生物科技有限公司 | Wild-imitating planting method for dendrobium officinale |
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| CN107873370A (en) * | 2017-11-28 | 2018-04-06 | 舟山赛莱特海洋科技有限公司 | A kind of mangrove moves northward acclimation method |
| CN107960261A (en) * | 2017-11-28 | 2018-04-27 | 舟山赛莱特海洋科技有限公司 | A kind of potted plant cold-resistant acclimation method of autumn eggplant seedling for high latitude plantation |
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| CN107691077A (en) * | 2017-10-27 | 2018-02-16 | 舟山赛莱特海洋科技有限公司 | A kind of potted plant method of keeping a full stand of seedings of mangrove |
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Cited By (4)
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| CN111567377A (en) * | 2020-05-12 | 2020-08-25 | 浙江森古生物科技有限公司 | Wild-like high-quality dendrobium nobile cultivation method |
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| CN111557206B (en) * | 2020-06-10 | 2021-07-30 | 浙江省舟山市水产研究所 | Method for cultivating Kandelia candel seedlings by using culture tail water |
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Application publication date: 20191115 |