CN102405825A - Ecological recovering method of sublittoral zone Zosteraceae sea grass bed - Google Patents
Ecological recovering method of sublittoral zone Zosteraceae sea grass bed Download PDFInfo
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- CN102405825A CN102405825A CN2011102057439A CN201110205743A CN102405825A CN 102405825 A CN102405825 A CN 102405825A CN 2011102057439 A CN2011102057439 A CN 2011102057439A CN 201110205743 A CN201110205743 A CN 201110205743A CN 102405825 A CN102405825 A CN 102405825A
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- zostera marina
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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
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Abstract
The invention relates to a recovering and rebuilding technique of a sea grass bed, in particular to a ecological recovering method of a sublittoral zone Zosteraceae sea grass bed, which is characterized in that: clay and fine sand are made into mud barrel, Zosteraceae plants are filled inside the mud barrel, the mud barrel is fulfilled with fine sand, an opening of the mud barrel is sealed, the mud barrel with the Zosteraceae plants is thrown into an appropriate sea area so as to carry out the ecological recovery of the Zeosteraceae sea grass bed, and the density of the Zosteraceae is 50 to 200 per square meters. Due to the adoption of the ecological recovering method, the problem that sea grass is difficult to transplant in deep seabed of the sublitoral zone can be solved, and the recovery or rebuilding of deep sea Zosteraceae sea grass bed can be conveniently and rapidly carried out by also adopting a simple and effective Zosteraceae transplanting method. Materials utilized in the method are free from polluting the sea are.
Description
Technical field
The present invention relates to sea grass bed and recover and reconstruction technique specifically a kind of subtidal zone Zostera marina sea grass bed ecological recovery method.
Background technology
Sea grass bed (Seagrass meadows) ecosystem and mangrove forest, coral reef ecologic system are considered to coastal waters three big typical marine ecosystems together.And international research is the result show, the sea grass bed ecology service is worth apparently higher than the ecology service of mangrove forest and coral reef and is worth.Sea grass is unique shallow sea angiosperm under water that is submerged in, and differentiates organs such as root, stem, leaf, flower and seed.Sea grass bed in great numbers is the important symbol of healthy marine environment as the forest of land, is precious " grassland, seabed " or " submarine forest ".Sea grass bed is the high productivity district, can good habitat, nursery and protection ground be provided for marine organisms such as fish shrimp crab shellfishes, also helps perching of seabird; For many biologies important food source is provided simultaneously.Sea grass bed also be on the earth the most effectively carbon catch and seal up for safekeeping one of system, the UN organizations are thought: the most urgent action of reply climatic variation is to keep and recover " blue carbon " and converge, and sea grass is given priority to mangrove forest, sabkha.
Northern China temperate zone marine site, especially Shandong coastal waters are the important zones of sea grass distribution.Zostera marina (Zostera marina L.) is a kind of sea grass that the coastal distribution of northern China is the widest, quantity is maximum, and only is distributed in marine site, northern China temperate zone, like coastal waters such as Shandong, Hebei and Liaoning.The Zostera marina sea grass bed is the good place that marine economy biologies such as sea cucumber, shellfish (comprising octopus), shrimp crab class and fish are perched, bred and hide oneself.Zostera marina is a herbaceos perennial, and main sinking is born in the mild argillo arenaceous shallow water of physical features seabed, and the shallow water area from the intertidal zone to the subtidal zone all has distribution, and maximum water depth can reach 30m, and its leaf is elongated to be banded, is commonly called as Triglochin martimum, and Ye Changke reaches more than 3 meters.
In marine site, northern China temperate zone, like Shandong coastal waters, the Zostera marina sea grass bed was once very in great numbers, serious degradation now, and sea grass is sparse to be block and to distribute, and mostly is not linked to be sheet.In northern China, coastal fisherman Zostera marina sea grass commonly used makes to build the material on top, house.The sea grass room is the exclusive significant folk custom symbol in northern Shandong, also is considered in the world one of the most representative ecological local-style dwelling houses, mainly is distributed in coastal areas such as Weihai, Yantai, Qingdao.This explains that from the another side sea grass was how in great numbers in the past, and the now is but stayed very few.According to estimates, Shandong coastal waters Zostera marina sea grass bed has been degenerated more than 80%.
For a long time, the important function of sea grass in the ocean do not obtain enough attention, and the sea grass bed area descends in the world; Many marine sites are on the brink of extinction; And injure other halobiontic existence, and bio-diversity also decreases, and it is fragile more that the littoral ecosystem also becomes.
In recent years, people begin to recognize the important function of sea grass in marine ecosystems, begin to pay attention to the protection of the sea grass ecosystem with to the ecological recovery of the sea grass ecosystem of degenerating.At present, relevant subtidal zone still is weak than deepwater field seabed Zostera marina sea grass transplanting technology, lacks easy trasplanting method fast and effectively.
Summary of the invention
The objective of the invention is to adopt the present invention to overcome the problem of carrying out the sea grass transplanting difficulty in seabed, subtidal zone waters for subtidal zone provides a kind of Zostera marina sea grass bed ecological recovery method than the recovery or the reconstruction of deepwater field seabed Zostera marina.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of subtidal zone Zostera marina sea grass bed ecological recovery method: the mud tube of making end sealing with clay and fine sand; Be fixed on the root of Zostera marina plant on the small stone and put into the mud tube; In the mud tube, fill fine sand and lute nozzle portion; Throw into the mud tube that the Zostera marina plant is housed marinely then, the density of Zostera marina is every square metre of 50-200.
The mud tube is cylindrical tube shape, makes with the silt mixture, and clay comprises 70-80% wherein, fine sand accounts for 30-40%, and through the 40-50 millimeter, the thick 20-25 millimeter of mud tube bottom is used the cord tighten in the middle of the mud letter outer wall in the thick 15-20 millimeter of mud barrel, mud tube.
Its manufacturing materials of used cord derives from degradable vegetable material, in seawater, can degrade the thick 1-2.5 millimeter of cord gradually through 3-5 month time.
Stone is with the stone of ellipsoid shape to strip, and its weight restrains with 50-150.
After the Zostera marina plant is gathered, cut the bizet of Zostera marina, the height that makes Zostera marina is below 25 centimetres.
Tie up on the stone with cord along the direction of stone major axis root, tie up 1-3 Zostera marina plant on every block of stone Zostera marina.
Put into the mud tube to the Zostera marina plant root that is fixed on the small stone; The root that makes the Zostera marina plant is positioned at the mud tube and stem and the leaf of Zostera marina plant are exposed at mud tube outside; In the mud tube, fill fine sand then, and with the oral area of foundry loam lute tube, the mud tube that the Zostera marina plant will be housed is at last thrown into marine in suitable sea area; Carry out the ecological recovery of Zostera marina sea grass bed, the density of Zostera marina plant is every square metre of 50-200.
The invention has the beneficial effects as follows:
1, through the present invention; Make the mud tube with the mixture of clay and fine sand; Use the cord tighten in the middle of the mud drum outer wall, put into the mud tube to the Zostera marina plant that root is fixed on the small stone, then the full fine sand of mud wound packages; And with foundry loam lute nozzle portion, the mud tube that the Zostera marina plant will be housed in suitable sea area is at last thrown into marine.Such effect is, after the mud tube arrived the seabed, seawater slowly soaked into the mud tube, is tied with cord in the middle of the mud tube, can the root of Zostera marina plant be covered to greatest extent after the mud tube is soaked into by seawater guaranteeing.Therefore, Zostera marina plant root is fixed on the small stone, and the root top is covered with silt simultaneously; Make the Zostera marina plant can not float with ocean current; Rely on the growth and self very strong ability of taking root of Zostera marina simultaneously, make the Zostera marina plant be able to become to live and take root be fixed on the seabed, and form the grassland gradually.
2, the material therefor cord is degradable vegetable material among the present invention, and like cotton cord, the rope made of hemp, such cord will be degraded through after the several months in briny environment gradually, thereby can not constitute pollution to marine environment.
3, through the present invention, overcome the problem of subtidal zone waters seabed Zostera marina cultivation difficulty, the invention provides a kind of easy, subtidal zone is than the building method of deepwater field seabed Zostera marina sea grass bed fast and effectively.
Embodiment
Below in conjunction with embodiment the present invention is done further explain.
Embodiment 1
Use method of the present invention to carry out the transplanting of subtidal zone Zostera marina and the recovery and the reconstruction test of sea grass bed in the bay, Shandong.
The making of mud tube: the mud tube is a cylindrical tube shape, processes with clay and fine sand, and wherein clay comprises 75%; Fine sand (20-40 order) accounts for 25%, and warp is 45 millimeters in thick 18 millimeters of the mud barrel, mud tube; Thick 20 millimeters of mud tube bottom, the mud drum outer wall is middle with 2 millimeters thick thin cotton cord tightens.When making the mud tube, behind clay and fine sand mixing, add an amount of water and stir, under the assistance of mould, make the mud tube, can use after the mud tube dries.
Other material therefors are following: 1. thin cotton cord (2 millimeters thick, is placed in the seawater, under 20 ℃, through degraded in three months); 2. the small stone (weight range is the 80-120 gram) of ellipsoid shape to the strip collected of seashore; 3. fresh and alive Zostera marina plant is collected in natural waters, cuts the bizet of Zostera marina, and the height that makes Zostera marina is 20 centimetres.
Zostera marina experiment in cultivation process is following: with thin cotton cord the root of Zostera marina plant is tied up on small stone, promptly tied up on the stone with thin cotton cord along the direction of the stone major axis root with Zostera marina, tie up 2 Zostera marina plant on every block of stone.By ship to suitable sea area; Put into the mud tube to the Zostera marina plant root that root is fixed on the small stone, make Zostera marina plant root be positioned at the mud tube and the stem of Zostera marina and leaf are exposed at mud tube outside, and in the mud tube, fill fine sand; Use foundry loam lute nozzle portion then; At last the mud tube is thrown into marinely, carried out the ecological recovery of Zostera marina sea grass bed, the density of Zostera marina plant is every square metre of 50-200.
Subtidal zone carried out the Zostera marina cultivation than profundal zone (depth of water is 3～6 meters) in the test sea area Mays in 2009, and the planting density of Zostera marina is every square metre about 90, has cultivated 500 square metres altogether.
Result of the test is following:
At the beginning of 2009 6 months, above Zostera marina of cultivating is observed, find that the Zostera marina overwhelming majority of being cultivated has all become alive, and the reproduction strain is bloomed; Observe and measure July in 2010, find that Zostera marina all grows tall, and grow a lot of stem branches, seed has been tied in the reproduction strain.It is nearly 80% to observe the Zostera marina survival rate through diving, and the Zostera marina height flat is 1.5 meters.
It is thus clear that the result of the test of present embodiment shows, can recover at an easy rate or rebuild the Zostera marina sea grass bed in the subtidal zone environments such as subsea of suitable Zostera marina growth through straightforward procedure involved in the present invention.
Claims (7)
1. subtidal zone Zostera marina sea grass bed ecological recovery method; It is characterized in that: the mud tube of making end sealing with clay and fine sand; Be fixed on the root of Zostera marina plant on the small stone and put into the mud tube; In the mud tube, fill fine sand and lute nozzle portion, throw into the mud tube that the Zostera marina plant is housed marinely then, the density of Zostera marina is every square metre of 50-200.
2. according to the described Zostera marina sea grass bed of claim 1 ecological recovery method, it is characterized in that: the mud tube is cylindrical tube shape, makes with the silt mixture; Clay comprises 70-80% wherein; Fine sand accounts for 30-40%, the thick 15-20 millimeter of mud barrel, and the mud tube is interior through the 40-50 millimeter; Use the cord tighten in the middle of the thick 20-25 millimeter of mud tube bottom, mud drum outer wall.
3. according to the described Zostera marina sea grass bed of claim 1 ecological recovery method, it is characterized in that: its manufacturing materials of used cord derives from degradable vegetable material, and the time through 35 months in seawater can degrade gradually, the thick 1-2.5 millimeter of cord.
4. according to the described Zostera marina sea grass bed of claim 1 ecological recovery method, it is characterized in that: stone is with the stone of ellipsoid shape to strip, and its weight restrains with 50-150.
5. according to the described Zostera marina sea grass bed of claim 1 ecological recovery method, it is characterized in that: after the Zostera marina plant is gathered, cut the bizet of Zostera marina, the height that makes Zostera marina is below 25 centimetres.
6. according to claim 1,3 or 4 described Zostera marina sea grass bed ecological recovery methods, it is characterized in that: tie up on the stone with cord along the direction of stone major axis root, tie up 1-3 Zostera marina plant on every block of stone Zostera marina.
7. according to claim 1 or 2 or 5 described Zostera marina sea grass bed ecological recovery methods; It is characterized in that: put into the mud tube to the Zostera marina plant root that is fixed on the small stone; The root that makes the Zostera marina plant is positioned at the mud tube and stem and the leaf of Zostera marina plant are exposed at mud tube outside; In the mud tube, fill fine sand then, and with the oral area of foundry loam lute tube, the mud tube that the Zostera marina plant will be housed is at last thrown into marine in suitable sea area; Carry out the ecological recovery of Zostera marina sea grass bed, the density of Zostera marina plant is every square metre of 50-200.
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| CN201110205743.9A CN102405825B (en) | 2011-07-15 | 2011-07-15 | Ecological recovering method of sublittoral zone Zosteraceae sea grass bed |
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Cited By (9)
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| CN103210759A (en) * | 2013-03-29 | 2013-07-24 | 同济大学 | Planting method of submerged plants |
| CN103918544A (en) * | 2014-04-11 | 2014-07-16 | 中国科学院海洋研究所 | Subtidal zone eel grass sowing and planting method |
| CN104126374A (en) * | 2013-09-22 | 2014-11-05 | 山东大学（威海） | Wild harvesting method of Zostera marina L. seeds |
| CN104488689A (en) * | 2014-11-12 | 2015-04-08 | 浙江海洋学院 | Artificial algae field cultivation method |
| CN104770285A (en) * | 2014-01-14 | 2015-07-15 | 中国海洋大学 | Zostera marina young seedling manual culture method |
| CN105532423A (en) * | 2016-02-26 | 2016-05-04 | 中国科学院南海海洋研究所 | Method for quick transplantation of seaweed in intertidal zone |
| CN105557498A (en) * | 2015-12-28 | 2016-05-11 | 山东大学（威海） | Ecological restoration method for zostera marina sea grass bed |
| CN108739347A (en) * | 2018-05-03 | 2018-11-06 | 中国海洋大学 | A kind of method of eelgrass donor plant acquisition and transplanting |
| CN113080051A (en) * | 2021-03-26 | 2021-07-09 | 厦门海石生态环境股份有限公司 | Method for promoting recovery of shallow sea seaweed bed |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210759A (en) * | 2013-03-29 | 2013-07-24 | 同济大学 | Planting method of submerged plants |
| CN104126374B (en) * | 2013-09-22 | 2016-04-27 | 山东大学（威海） | A kind of field harvesting method of grass wrack seeds |
| CN104126374A (en) * | 2013-09-22 | 2014-11-05 | 山东大学（威海） | Wild harvesting method of Zostera marina L. seeds |
| CN104770285A (en) * | 2014-01-14 | 2015-07-15 | 中国海洋大学 | Zostera marina young seedling manual culture method |
| CN103918544A (en) * | 2014-04-11 | 2014-07-16 | 中国科学院海洋研究所 | Subtidal zone eel grass sowing and planting method |
| CN103918544B (en) * | 2014-04-11 | 2016-01-13 | 中国科学院海洋研究所 | A kind of subtidal zone Zostera marina sowing implantation methods |
| CN104488689A (en) * | 2014-11-12 | 2015-04-08 | 浙江海洋学院 | Artificial algae field cultivation method |
| CN105557498A (en) * | 2015-12-28 | 2016-05-11 | 山东大学（威海） | Ecological restoration method for zostera marina sea grass bed |
| CN105532423A (en) * | 2016-02-26 | 2016-05-04 | 中国科学院南海海洋研究所 | Method for quick transplantation of seaweed in intertidal zone |
| CN105532423B (en) * | 2016-02-26 | 2018-06-22 | 中国科学院南海海洋研究所 | A kind of method in intertidal zone Rapid transplant sea grass |
| CN108739347A (en) * | 2018-05-03 | 2018-11-06 | 中国海洋大学 | A kind of method of eelgrass donor plant acquisition and transplanting |
| CN113080051A (en) * | 2021-03-26 | 2021-07-09 | 厦门海石生态环境股份有限公司 | Method for promoting recovery of shallow sea seaweed bed |
| CN113080051B (en) * | 2021-03-26 | 2023-10-20 | 厦门海石生态环境股份有限公司 | Method for promoting recovery of shallow sea seaweed bed |
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