CN104798707A - Artificial fish reef construction method using sandy beach in estuary intertidal waters as foundation - Google Patents
Artificial fish reef construction method using sandy beach in estuary intertidal waters as foundation Download PDFInfo
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- CN104798707A CN104798707A CN201510174184.8A CN201510174184A CN104798707A CN 104798707 A CN104798707 A CN 104798707A CN 201510174184 A CN201510174184 A CN 201510174184A CN 104798707 A CN104798707 A CN 104798707A
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- reef
- reefs
- fish shelter
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- artificial fish
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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
Abstract
The invention relates to an artificial fish reef construction method using sandy beach in estuary intertidal waters as foundation. The method comprises the steps of A) selecting moso bamboo being 5 to 6cm in diameter, and cutting into unified 2.2m sections to be used as a reef body, wherein the unified 1.7m length is treated as a sand feeding section; B) treating the rough end as the sand feeding end, and drilling a hole at every 20cm in the sand feeding section, wherein the holes are 0.5 to 0.8cm and can pass through bamboo bodies, the moso bamboo cannot be cracked due to hole drilling, and any cracked moso bamboo cannot be put into use; C) vertically impacting the sandy land through a water gun until forming a hole being 6 to 7cm in diameter and 1.6 to 1.8m in depth, immediately inserting the reef body into each hole from the sand feeding end, wherein san flows into the reef body through the hole and counteract the floating force together with the frictional force of the outside of the reef body; fixing the reef body on the beach; exposing 45 to 55cm reef body from the surface of the sandy land, an finishing the single fish reef after the sand reflows to fix the reef body; D) centrally fixing a plurality of reef bodies to form a reef array; the space of the adjacent reef bodies in the reef array is 2cm.
Description
Technical field
The present invention relates to a kind of building method of artificial fish shelter, particularly relate to the artificial fish shelter building method of a kind of river mouth intertidal waters based on chiltern beach.
Background technology
Artificial fish shelter is artificially at the structure of marine setting in definition; its objective is and improve marine ecosystem environment; build the habitat for marine organisms life, provide breeding, growth, forage for fish etc. and keep away the place of enemy, reach protection, breed and improve the object of catch.It is generally acknowledged that colonial carries out input and the research of artificial fish shelter in nineteen thirty-five, China threw in seat of honour concrete fish shelter in 1979 in the North Sea, Guangxi province, and extend to other 8 coastal provinces and cities, carry out artificial fish shelter construction widely both at home and abroad at present, obtain good economy and ecological benefits.
According to building material classification, artificial fish shelter type main at present comprises: concrete component type, steel or fiberglass component, artificial discarded structure etc.Hard for coastal waters substrate, have the particular surroundings such as seawater corrosion, deep water pressure are large to cast the structure or directly " reef made by shipwreck " of the form such as " triangle ", " herringbone ", " spheroid ".Research shows, artificial fish shelter has good result in the gathering, propagation etc. of fishery resources.
Due to the bottom environment of entrance of Changjiang River chiltern beach, above-mentioned artificial fishing bank type cannot normally use in entrance of Changjiang River, after experiment shows that above-mentioned structure are installed in chiltern beach landform, can submerge completely at short notice in layer of sand, cannot play artificial fish shelter effect.In order to carry out the reparation of entrance of Changjiang River ecotope, need to set up a kind of artificial fishing bank building method that can adapt with entrance of Changjiang River environmental condition.
Summary of the invention
Mandarin sturgeon is sea, typical river migration fishes, entrance of Changjiang River is as the crucial habitat of mandarin sturgeon, it is the door of mandarin sturgeon adult fish anadromous migration, also be that mandarin sturgeon children sturgeon is fattened and the feeding ground that postpartum, parent population recovered, or mandarin sturgeon children sturgeon and postpartum parent population fall river enter sea Physiological effect place and unique passage, in the whole life cycle of mandarin sturgeon, have very important status.In recent years due to many factors combined imaging, cause the desertification gradually of waters, entrance of Changjiang River, food chain bottom species are single and increasingly reduce, and cause mandarin sturgeon food deprivation.The present invention's method used is as a kind of ecological restoration technology; to administer for the purpose of the desertification of waters, entrance of Changjiang River; food organisms for various kinds of foods chain bottom provide and perch refuge; improve its survival advantage; increase population quantity; and then provide a comparatively plentiful bait environment for aqua-marine lifes such as mandarin sturgeons, reach the final purpose of protection mandarin sturgeon.
Entrance of Changjiang River has its special ecotope, and first there is extremely strong tidal action entrance of Changjiang River, and during the slack tide that rises, the depth of water can reach about 10 meters, and fall slack tide time can expose sandy beach; The second, entrance of Changjiang River substrate is chiltern; 3rd, the biology during each fluctuation tide on sandy beach always has a few hours to stand the threat of high temperature or low temperature and lack of water; 4th, a large amount of salt-fresh water is crossed swords.
The present invention takes following technical scheme:
The artificial fish shelter building method of river mouth intertidal waters based on chiltern beach, is characterized in that, comprise the following steps:
A) select the mao bamboon of diameter 5-6cm, cut into the unified bamboo section of 2.2m, as a reefs, wherein the uniform length of 1.7m is for entering husky section;
B) with butt end for entering husky end, enter in husky section and punch every 20cm, aperture 0.5-0.8cm, this hole penetrates bamboo body, and mao bamboon can not the splitting because of punching, and namely splitting need not;
C) impact sand ground with hydraulic giant, going out the husky hole of a diameter 6-7cm, dark 1.6-1.8m, immediately reefs being inserted in husky hole from entering Sha Duanqi, Sha Dongshi is inserted at reefs, sand passing hole flows in reefs, together offsets buoyancy, be fixed on by reefs on sandy beach with reefs outboard friction power; Keep reefs more than sandy land surface, expose unified 45-55cm, after sand refluxes and reefs is fixing, this monomer fish shelter and installation;
D) namely multiple reefs forms reef battle array after installing concentratedly, the 2m of distance to each other of adjacent reefs in described reef battle array.
The feature of the technical program is: experiment shows, husky lower 1.7m effectively can keep the steadiness of fish shelter, ensures that husky upper 0.5m does not change.Can be formed centered by fish shelter at fish shelter and Shamian Island intersection after fish shelter builds up; the soft sand bed of diameter about 30cm, the dark 5cm in bosom is convenient to first gram class, Bivalve and various small-sized fishes and shrimps and is bored husky; the puddle formed can help all kinds of aquatile to hide high temperature after low tide reveals beach; the 50cm part that sand is retained can adhere to the epizoites such as a large amount of barnacle, algae, plays the small-sized hydrobiological enrichment in this locality, protective effect.
The artificial fish shelter building method of main material that what the present invention established applicable entrance of Changjiang River special environment condition with mao bamboon is, solve the problem that traditional concrete component, steel or fiberglass component, the manually artificial fishing bank of the discarded type such as structure, shipwreck are not suitable for using in entrance of Changjiang River, be benefiting our pursuits to intertidal zone, river mouth ecological restoration technology, filled up the technological gap of this one side.Through overtesting, within the scope of artificial fish shelter, biological species and quantity obviously increase, and serve good Effect of Ecological Restoration.
Further, the length of described bamboo section is 2.2m, wherein enters husky section 1.7m, more than sandy land surface exposes 50cm.
Further, the North and South direction 2000m of described reef battle array, east-west direction 100m.
Further, locate first monomer fish shelter addressing position by GPS, with this point for starting point, with GPS controlling party to, control each monomer fish shelter interval and position with rope, whole artificial fish shelter reef battle array be installed.
Further, also step e is comprised): multiple reef formation becomes battle array group.
Beneficial effect of the present invention is:
1) fish reef material comparatively easy exploiting and production;
2) fish shelter can be easily installed in surface, sandy beach, and can keep for a long time;
3) fish shelter possess necessarily combat typhoon, the feature of wind resistance, moisture resistance nighttide, seawater corrosion resistance.
4) restoration of the ecosystem effect is obvious, is especially applicable to the basis of the sandy beach in entrance of Changjiang River.
Accompanying drawing explanation
Fig. 1 is the structural representation of single fish shelter body, shows above Shamian Island, restoration of the ecosystem condition below Shamian Island place and Shamian Island.
Fig. 2 is the layout schematic diagram of fish shelter battle array of the present invention and fish shelter battle array group.
Fig. 3 is the length that single fish shelter body is positioned at above Shamian Island, below Shamian Island, and is positioned at the schematic diagram of the hole below Shamian Island.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
The present invention is based on a series of monitoring carried out of scene of entrance of Changjiang River beach and experimental work basis on formed, select mao bamboon as stock, through processing process and installation, form environmental qualities such as being applicable to entrance of Changjiang River tide, salt-fresh water intersection and chiltern beach, and possess necessarily combat typhoon, wind resistance, moisture resistance nighttide, sea water corrosion resistant, can long-standing artificial fish shelter.
See Fig. 1, beach artificial fish shelter principle:
Fish shelter is chosen 2.2m length mao bamboon and is made, and wherein 1.7m inserts in sand, stays 0.5m more than Shamian Island.Experiment shows, husky lower 1.7m effectively can keep the steadiness of fish shelter, ensures that husky upper 0.5m does not change.Can be formed centered by fish shelter at fish shelter and Shamian Island intersection after fish shelter builds up; the soft sand bed of diameter about 30cm, the dark 5cm in bosom is convenient to first gram class, Bivalve and various small-sized fishes and shrimps and is bored husky; the puddle formed can help all kinds of aquatile to hide high temperature after low tide reveals beach; the 50cm part that sand is retained can adhere to the epizoites such as a large amount of barnacle, algae, plays the small-sized hydrobiological enrichment in this locality, protective effect.
See Fig. 2-3, the processing and treating method of reefs:
Select the mao bamboon of diameter 5-6cm, cut into the bamboo section of 2.2m, as a reefs; With butt end for entering husky end, punch every 20cm in 1.1m from bamboo section enters husky end, aperture 0.5-0.8cm, this hole must penetrate bamboo body, and mao bamboon can not the splitting because of punching, and namely splitting need not.
See Fig. 2-3, the installation of reefs:
Impact sand ground with hydraulic giant, going out the husky hole of a diameter 6-7cm, dark 1.7m, immediately reefs being inserted in husky hole from entering Sha Duanqi, Sha Dongshi is inserted at reefs, sand passing hole flows in reefs, together offsets buoyancy, be fixed on sandy beach by reefs with reefs outboard friction power.Reefs is kept to expose 50cm more than sandy land surface, after sand refluxes and reefs is fixing, this monomer fish shelter and installation.
Namely multiple reefs forms reef battle array after installing concentratedly, artificial fish shelter reef battle array is made up of tens thousand of monomer fish shelter, monomer fish shelter is to each other apart from 2m, form the huge fish shelter reef battle array of North and South direction 2000m, east-west direction 100m, locate first monomer fish shelter addressing position by GPS, with this point for starting point, with GPS controlling party to, control each monomer fish shelter interval and position with rope, whole artificial fish shelter reef battle array be installed; Multiple reef formation becomes battle array group.
According to the inventive method, artificial fish shelter construction test has been carried out in entrance of Changjiang River, by field monitoring, under reefs, define the biogenic accumulation region of shell-fish, Bivalve and small-sized fishes and shrimps, the reefs of test primary construction has adhered to a large amount of barnacle and algae.
Claims (5)
1. the artificial fish shelter building method of river mouth intertidal waters based on chiltern beach, is characterized in that, comprise the following steps:
A) select the mao bamboon of diameter 5-6cm, cut into the unified bamboo section of 2.2m, as a reefs, wherein the uniform length of 1.7m is for entering husky section;
B) with butt end for entering husky end, enter in husky section and punch every 20cm, aperture 0.5-0.8cm, this hole penetrates bamboo body, and mao bamboon can not the splitting because of punching, and namely splitting need not;
C) impact sand ground with hydraulic giant, going out the husky hole of a diameter 6-7cm, dark 1.6-1.8m, immediately reefs being inserted in husky hole from entering Sha Duanqi, Sha Dongshi is inserted at reefs, sand passing hole flows in reefs, together offsets buoyancy, be fixed on by reefs on sandy beach with reefs outboard friction power; Keep reefs more than sandy land surface, expose unified 45-55cm, after sand refluxes and reefs is fixing, this monomer fish shelter and installation;
D) namely multiple reefs forms reef battle array after installing concentratedly, the 2m of distance to each other of adjacent reefs in described reef battle array.
2. the artificial fish shelter building method of river mouth intertidal waters based on chiltern beach as claimed in claim 1, is characterized in that: the length of described bamboo section is 2.2m, wherein enters husky section 1.7m, more than sandy land surface exposes 45-55cm.
3. the artificial fish shelter building method of river mouth intertidal waters based on chiltern beach as claimed in claim 1, is characterized in that: the North and South direction 2000m of described reef battle array, east-west direction 100m.
4. the artificial fish shelter building method of river mouth intertidal waters based on chiltern beach as claimed in claim 3, it is characterized in that: locate first monomer fish shelter addressing position by GPS, with this point for starting point, with GPS controlling party to, control each monomer fish shelter interval and position with rope, whole artificial fish shelter reef battle array is installed.
5. the artificial fish shelter building method of river mouth intertidal waters based on chiltern beach as claimed in claim 1, is characterized in that: also comprise step e): multiple reef formation becomes battle array group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510174184.8A CN104798707B (en) | 2015-04-14 | 2015-04-14 | Artificial fish reef construction method using sandy beach in estuary intertidal waters as foundation |
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| CN201510174184.8A CN104798707B (en) | 2015-04-14 | 2015-04-14 | Artificial fish reef construction method using sandy beach in estuary intertidal waters as foundation |
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| CN104798707B CN104798707B (en) | 2017-05-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359210A (en) * | 2016-08-20 | 2017-02-01 | 宁波市海洋与渔业研究院 | Method for artificial propagation of mytilus coruscus in intertidal zone of rocky reef phase |
| CN108308079A (en) * | 2018-04-03 | 2018-07-24 | 上海市长江口中华鲟自然保护区管理处 | Four cellular type circular platform type beach combination structure reef and its building method |
| CN113711964A (en) * | 2021-08-19 | 2021-11-30 | 上海勘测设计研究院有限公司 | Ecological type bedding tree reef device for photosea and arrangement method thereof |
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| JP2001161211A (en) * | 1999-12-10 | 2001-06-19 | Nandancho | Method for constituting fish reef |
| JP2004081056A (en) * | 2002-08-26 | 2004-03-18 | Kaihin Kouen Shinko Kk | Fish-breeding reef |
| KR20070044151A (en) * | 2005-10-24 | 2007-04-27 | 진민심 | Artificial fish reef |
| JP2008187993A (en) * | 2007-01-31 | 2008-08-21 | Kawano Plant Co Ltd | Fish bank made of bamboo and method for assembling the same |
| CN103749364A (en) * | 2014-01-17 | 2014-04-30 | 大连海洋大学 | Latticed artificial reef system |
| CN103749363A (en) * | 2014-01-17 | 2014-04-30 | 大连海洋大学 | Positioned-point piling type artificial fish reef releasing method and artificial fish reef obtained by method |
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2015
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Patent Citations (6)
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| JP2001161211A (en) * | 1999-12-10 | 2001-06-19 | Nandancho | Method for constituting fish reef |
| JP2004081056A (en) * | 2002-08-26 | 2004-03-18 | Kaihin Kouen Shinko Kk | Fish-breeding reef |
| KR20070044151A (en) * | 2005-10-24 | 2007-04-27 | 진민심 | Artificial fish reef |
| JP2008187993A (en) * | 2007-01-31 | 2008-08-21 | Kawano Plant Co Ltd | Fish bank made of bamboo and method for assembling the same |
| CN103749364A (en) * | 2014-01-17 | 2014-04-30 | 大连海洋大学 | Latticed artificial reef system |
| CN103749363A (en) * | 2014-01-17 | 2014-04-30 | 大连海洋大学 | Positioned-point piling type artificial fish reef releasing method and artificial fish reef obtained by method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359210A (en) * | 2016-08-20 | 2017-02-01 | 宁波市海洋与渔业研究院 | Method for artificial propagation of mytilus coruscus in intertidal zone of rocky reef phase |
| CN106359210B (en) * | 2016-08-20 | 2019-03-22 | 宁波市海洋与渔业研究院 | A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel |
| CN108308079A (en) * | 2018-04-03 | 2018-07-24 | 上海市长江口中华鲟自然保护区管理处 | Four cellular type circular platform type beach combination structure reef and its building method |
| CN108308079B (en) * | 2018-04-03 | 2023-10-20 | 上海市水生野生动植物保护研究中心 | Four-hole circular truncated cone type beach combined construction reef and construction method thereof |
| CN113711964A (en) * | 2021-08-19 | 2021-11-30 | 上海勘测设计研究院有限公司 | Ecological type bedding tree reef device for photosea and arrangement method thereof |
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| Publication number | Publication date |
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| CN104798707B (en) | 2017-05-10 |
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Effective date of registration: 20200402 Address after: 200092, building 3, building 63, No. 6, Chifeng Road, Shanghai, Yangpu District Patentee after: Shanghai aquatic wildlife protection research center Address before: 200092, building 3, building 63, No. 6, Chifeng Road, Shanghai, Yangpu District Patentee before: SHANGHAI CITY YANGTZE ESTUARY CHINESE STURGEON NATURAL PROTECTION AREA MANAGEMENT OFFICE |