CN102630626A - Distribution of environment-friendly aquaculture farm - Google Patents

Distribution of environment-friendly aquaculture farm Download PDF

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Publication number
CN102630626A
CN102630626A CN2011104214542A CN201110421454A CN102630626A CN 102630626 A CN102630626 A CN 102630626A CN 2011104214542 A CN2011104214542 A CN 2011104214542A CN 201110421454 A CN201110421454 A CN 201110421454A CN 102630626 A CN102630626 A CN 102630626A
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China
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area
water
culture
accounts
zone
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CN2011104214542A
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Chinese (zh)
Inventor
王国清
沈建明
顾志明
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Suzhou Yangchenghu Modern Agriculture Development Co Ltd
SUZHOU YANGCHENGHU XIAOJING SHRIMP AND CRAB PRODUCTION AND MARKETING SPECIALIZED COOPERATIVES
Suzhou University
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Suzhou Yangchenghu Modern Agriculture Development Co Ltd
SUZHOU YANGCHENGHU XIAOJING SHRIMP AND CRAB PRODUCTION AND MARKETING SPECIALIZED COOPERATIVES
Suzhou University
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Priority to CN2011104214542A priority Critical patent/CN102630626A/en
Publication of CN102630626A publication Critical patent/CN102630626A/en
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Abstract

The invention belongs to the field of aquaculture, and particularly relates to distribution of an environment-friendly aquaculture farm, which includes a fish culture area, a river crab culture area and a tail water purification area from the upstream to the downstream. Tail water from the fish culture area is drained to the river crab culture area, the tail water from the river crab culture area is drained to the tail water purification area, and water from an outlet of the tail water purification area is then diverted into the fish culture area. The water in the river crab culture area can also be diverted into the fish culture area directly, and the water in the fish culture area can also be diverted into a primary purification tank in the tail water purification area directly. By using the distribution, the area of the tail water purification area can be reduced, the quality of river crabs can be improved, and recycling of culture tail water and nutrient pollutant can be achieved.

Description

The layout of environmentally friendly aquatic farm
Technical field
The invention belongs to aquaculture field, be specifically related to a kind of layout of environmentally friendly aquatic farm.
Background technology
Aquaculture has solved partly employment as an industry, and the food of high protein is provided.This is indispensable concerning our so developing large agricultural country.This also is the reason that the China recent years cultured output increases by geometric progression.Also there is negative effect at the water source that aquaculture need be cleaned on the one hand to water quality on the other hand.Breaking out of Taihu Lake eutrophication present situation and blue-green algae in 2007 makes aquaculture disposal of pollutants along the lake receive extensive concern.
Pollute in order to cut down to culture, we have at first carried out the investigation of breed pollution intensity.Result of study shows that it mainly is the pollution of nitrogen (N), phosphorus (P) that pond culture is polluted.Realize that pond culture N, P reduce discharging, and culture water purification and handle very important.The purification of water quality processing method comprises physics method, chemical method and biological clarification.The water that cultivating pool is discharged mainly is the pollution of nutritive salt such as N, P, and biological clarification is one of guardian technique method of present aquaculture water purifying.The biological cleaning process is the part of ecologic breeding, is low investment, the high benefit of a cleaning ambient getting up of newly-developed, is convenient to use, that development potentiality is huge is new
Emerging technology, it utilizes absorption, conversion or the degraded of particular organisms to pollutant in the breeding water body, reach slow down or finally eliminate water pollution, recover the water ecology function, to the effect of pollutant recycling.In the biological cleaning technology, study more have probiotics, macro, spiral shell class and other aquatic animals and plants.The biological cleaning process is relevant with the amount of the biology of participating in purifying, and the increase of biomass all has certain cycle, and receives the influence of tail water water quality.
Fish culture pond nitrogen (N), phosphorus (P) discharge capacity are higher, and river crab pond discharge capacity is very low, and has stronger purification potentiality.Because purification and the inhibitory action of crab pond pasture and water, the little concentration of algae in crab pond is very low, and river crab is owing to lack the contained nutriments such as carotenoid of little algae, and organoleptic quality can be not good enough.With fish, the series connection of crab pond, the rich water in fishpond is introduced the crab pond, not only can give full play to the purification potentiality in crab pond, also can improve the river crab organoleptic quality.
Summary of the invention
The goal of the invention of our invention is in order to overcome the deficiency of above-mentioned background technology; A kind of environmentally friendly aquatic farm programme is provided; The reduction of discharging and the recycle of nitrogen (N), phosphorus (P) have not only been realized; Practice thrift the purifying area area, also utilized breed tail water to improve the organoleptic quality of river crab.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of layout of environmentally friendly aquatic farm comprises fish culture zone; The culture of Chinese mitten crab district; The tail water purifying area, described fish culture zone accounts for 15 ~ 50% of whole aquatic farm area, and the culture of Chinese mitten crab district accounts for 45 ~ 80% of whole aquatic farm area; The tail water purifying area accounts for 3 ~ 5% of whole aquatic farm area; Wherein the tail water of fish culture zone enters the culture of Chinese mitten crab district, and the tail water in culture of Chinese mitten crab district enters the tail water purifying area, and the water of tail water purifying area outlet is introduced the fish culture zone recycle again.
The fingerling that described fish culture zone is put in a suitable place to breed is selected from: grass carp, bream, crucian, variegated carp or silver carp, but must have the pond more than 4% that accounts for whole aquatic farm area to put herbivorous fishes in a suitable place to breed.The said fish culture zone pasture and water such as too much duckweed that crayfish culture district and purifying area grow, waterweed of can throwing something and feeding.
The centre in described crayfish culture district is the phytal zone, is the circular groove as early stage river crab life area around the crayfish culture pond, its than middle phytal zone dark 10 ~ 40 centimetres; Said phytal zone accounts for 50 ~ 70% of crayfish culture pool area, and said circular groove accounts for 30 ~ 50% of crayfish culture pool area; In the optimized technical scheme, the phytal zone accounts for 60% of crayfish culture pool area; The plantation of said phytal zone has pasture and water, and the pasture and water plantation is strip and block, cross-distribution; Said pasture and water comprise: waterweed, eel grass and hydrilla verticillata; Wherein, waterweed accounts for 20 ~ 40% of pond bottom area, and hydrilla verticillata accounts for 15 ~ 25% of pond bottom area, and eel grass accounts for 5 ~ 15% of pond bottom area, and pasture and water are not planted in all the other zones of pond bottom.Before river crab is put into the phytal zone is surrounded with close net, influence the pasture and water survival, thereby influence the original position repair function of system in case river crab eats up the pasture and water tender shoots; Also can rise the prior year river crab and promptly plant pasture and water after catching, pasture and water had all survived and certain biomass have been arranged when next year, the crab kind was put into, and the crab kind can not threaten to it.
The area of said tail water purifying area accounts for 3 ~ 5% of culture zone, and the tail water purifying area is the strip clarifier-tank, according to tail water flow to be divided into before in back three parts: first is the first class purification pond, and the plantation water spinach accounts for the purifying area gross area 5 ~ 15%; Second portion plantation duckweed spirodela accounts for gross decontamination district area 15 ~ 30%; Third part plantation waterweed, eel grass, hydrilla verticillata account for gross decontamination district 55 ~ 80%, and wherein waterweed plantation area accounts for third part zone 50%, and hydrilla verticillata and eel grass plantation area respectively account for third part zone 25%, cross-distribution; The separation of building a dam of three parts of purifying area, culvert pipe communicates.
The water in said culture of Chinese mitten crab district can directly import fish culture zone, and the water of fish culture zone can directly import the first class purification pond of tail water purifying area.
Because the technique scheme utilization, the present invention compared with prior art has advantage:
1. culture the pond owing to disposed herbivorous fishes among the present invention; And the water plants of tail water purifying area and the plantation of culture of Chinese mitten crab district all is herbivorous fishes happiness food kinds; Thereby the herbivorous fishes of throwing something and feeding after can the pasture and water of undue growth being gathered in; Realize the waterweeds resource utilization, avoid the secondary pollution of pasture and water.
2. be in the layout of the downstream of piscina owing to river crab pond among the present invention, the rich water of piscina enters the crab pond, can be that river crab provides the necessary flavor nutrition of growth plain through food chain, improves the river crab body colour.
3. the pasture and water in river crab pond also can play the effect that purifies water, and alleviate the purification load of tail water purifying area, so the area of tail water purifying area is merely 3% ~ 5% of whole culture zone area and can satisfies the purification demand.
4. can realize the recycle of water resource behind employing the present invention, both practice thrift water consumption, reduce disease and pollution risk that allogenic water is brought into again.
5. the present invention is economical and practical, and is simple in structure, workable, can obtain good economic benefit and ecological benefits.
Description of drawings
Fig. 1 is layout structure figure of the present invention.
Embodiment
Below in conjunction with embodiment the present invention is further described:
As shown in Figure 1, the direction of arrow is water (flow) direction, comprises fish culture zone; The culture of Chinese mitten crab district, the tail water purifying area, described fish culture zone accounts for 15 ~ 50% of whole aquatic farm area; The culture of Chinese mitten crab district accounts for 45 ~ 80% of whole aquatic farm area, and the tail water purifying area accounts for 3 ~ 5% of whole aquatic farm area, and wherein the tail water of fish culture zone enters the culture of Chinese mitten crab district; The tail water in culture of Chinese mitten crab district enters the tail water purifying area, and the water of tail water purifying area outlet is introduced the fish culture zone recycle again.
Embodiment one:
One 500 mu culture of Chinese mitten crab field, transformed in the pond, and originally 10 ~ 30 mu in each pond does not have advancing separately, drainage ditch.
Use technical scheme according to the invention and transform, employing pvc pipe road will advance, draining separates, and original water inlet river course is transformed into the tail water purifying area for 25 mu; 3 mu in first class purification district, plantation wild rice stem, 5 mu in secondary purification district; The plantation duckweed spirodela, 17 mu of three grades of purifying areas, plantation waterweed, hydrilla verticillata and bitter the kind; Area is planted than being 50:25:25, intersecting, and before mid-April, plants.
Pasture and water were planted before December 20 last year in the pond in crayfish culture pond, carried the pasture and water of planting and comprised waterweed, eel grass and hydrilla verticillata.Waterweed accounts for 30% of pond bottom area, and hydrilla verticillata accounts for 15% of pond bottom area, and eel grass accounts for 15% of pond bottom area, and the pasture and water plantation is strip and block, cross-distribution.
One in 25 mu of crawls are put grass carp, bream, crucian, a small amount of variegated carp, silver carp in a suitable place to breed.The water of crawl removes and flows into purifying area, also can directly inject the pond in crayfish culture pond.
Put into the crab kind about March 1, successively that the overstocked pasture and water of pond, purifying area are in time sparse after June, with sparing the pasture and water that the fish of throwing something and feeding.The water that the culture zone swaps out gets into purifying area, and the water that purified injects the culture zone when needed.
Water quality monitoring result in purifying area downstream shows TN<1mg/L in the implementation process, TP<0.08mg/L, COD<5mg/L; Disease-free generation; The mu benefit improves 250 yuan/mu, and product reaches green food standard and pollution-free food standard, and the sense organ qualification result shows with the Yangcheng Lake crab does not have significant difference.
Embodiment two
One 1083 mu culturing area, transformed in the pond, 10 ~ 30 mu in each pond, advance, drainage ditch separately.Plant waterweed, eel grass in the irrigation channel, the silver carp of letting off fireworks.Plant waterweed, hydrilla verticillata in the drainage ditch, eel grass.
Use technical scheme according to the invention and transform, with original advance, the draining main stem carries out ecology for 106 mu and is transformed into the tail water purifying area, building a dam is separated into three grades, culvert pipe communicates.12 mu in first class purification pond, the plantation water spinach; 25 mu in secondary purification pond, the plantation duckweed spirodela; 69 mu of three grades of clarifier-tanks, plantation waterweed, eel grass, hydrilla verticillata, three kinds of pasture and water plantation areas be than being 50:25:25, intersects plantation, before mid-April, planted.
Pasture and water were planted before December 20 last year in the pond in crayfish culture pond; Carry the pasture and water of planting and comprise waterweed, eel grass and hydrilla verticillata; Waterweed accounts for 35% of pond bottom area, and hydrilla verticillata accounts for 10% of pond bottom area, and eel grass accounts for 15% of pond bottom area; The pasture and water plantation is strip and block, cross-distribution.
4 in 20 mu of crawls are raised together with grass carp, bream, take and support crucian, a small amount of variegated carp, silver carp.The water of crawl removes and flows into purifying area, also can directly inject the pond in crayfish culture pond.
Put into the crab kind about March 1.Successively that the overstocked pasture and water of pond, purifying area are in time sparse after June, with sparing the pasture and water that the fish of throwing something and feeding.The water that the culture zone swaps out gets into purifying area, and the water that purified injects the culture zone when needed.
Water quality monitoring result in purifying area downstream shows TN<0.9mg/L in the implementation process, TP<0.07mg/L, COD<5mg/L.Disease-free generation, the mu benefit improves 250 yuan/mu, and product reaches green food standard and pollution-free food standard, and the sense organ qualification result shows with the Yangcheng Lake crab does not have significant difference.

Claims (5)

1. the layout of an environmentally friendly aquatic farm; Comprise fish culture zone, culture of Chinese mitten crab district, tail water purifying area; It is characterized in that described fish culture zone accounts for 15 ~ 50% of whole aquatic farm area; The culture of Chinese mitten crab district accounts for 45 ~ 80% of whole aquatic farm area, and the tail water purifying area accounts for 3 ~ 5% of whole aquatic farm area, and wherein the tail water of fish culture zone enters the culture of Chinese mitten crab district; The tail water in culture of Chinese mitten crab district enters the tail water purifying area, and the water of tail water purifying area outlet is introduced fish culture zone again.
2. the layout of environmentally friendly aquatic farm as claimed in claim 1; It is characterized in that the fingerling that described fish culture zone is put in a suitable place to breed is selected from: grass carp, bream, crucian, variegated carp or silver carp, but must have the pond more than 4% that accounts for whole aquatic farm area to put herbivorous fishes in a suitable place to breed.
3. the layout of environmentally friendly aquatic farm as claimed in claim 1, the centre that it is characterized in that described crayfish culture district is the phytal zone, is the circular groove as early stage river crab life area around the crayfish culture pond, its than middle phytal zone dark 10 ~ 40 centimetres; Said phytal zone accounts for 50 ~ 70% of crayfish culture pool area, and said circular groove accounts for 30 ~ 50% of crayfish culture pool area, and the plantation of said phytal zone has pasture and water, and the pasture and water plantation is strip and block, cross-distribution; Said pasture and water comprise: waterweed, eel grass and hydrilla verticillata; Wherein, waterweed accounts for 20 ~ 40% of pond bottom area, and hydrilla verticillata accounts for 15 ~ 25% of pond bottom area, and eel grass accounts for 5 ~ 15% of pond bottom area, and pasture and water are not planted in all the other zones of pond bottom.
4. the layout of environmentally friendly aquatic farm as claimed in claim 1; The area that it is characterized in that said tail water purifying area accounts for 3 ~ 5% of culture zone; The tail water purifying area is the strip clarifier-tank; According to tail water flow to be divided into before in back three parts: first is the first class purification pond, and the plantation water spinach accounts for the purifying area gross area 5 ~ 15%; Second portion plantation duckweed spirodela accounts for gross decontamination district area 15 ~ 30%; Third part plantation waterweed, eel grass, hydrilla verticillata account for gross decontamination district 55 ~ 80%, and wherein waterweed plantation area accounts for third part zone 50%, and hydrilla verticillata and eel grass plantation area respectively account for third part zone 25%, cross-distribution; The separation of building a dam of three parts of purifying area, culvert pipe communicates.
5. the layout of environmentally friendly aquatic farm as claimed in claim 4 is characterized in that the water in said culture of Chinese mitten crab district can directly import fish culture zone, and the water of fish culture zone can directly import the first class purification pond of tail water purifying area.
CN2011104214542A 2011-12-16 2011-12-16 Distribution of environment-friendly aquaculture farm Pending CN102630626A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103392663A (en) * 2013-07-24 2013-11-20 吴江市水产养殖有限公司 Circulating water flowing fishpond and fish-farming method
CN103814836A (en) * 2012-11-19 2014-05-28 朱光来 Method for high-density river crab aquaculture with six-ring cages
CN103814857A (en) * 2014-02-17 2014-05-28 苏州大学 Fish and crab hybrid breeding pond and breeding method thereof
CN104026067A (en) * 2014-05-19 2014-09-10 苏州市泰盛农业科技有限公司 Green turtle ecological water circulating system
CN105532555A (en) * 2015-12-16 2016-05-04 苏州蟹家族生态农业有限公司 Ornamental crab water circulation culture system
CN105941289A (en) * 2016-05-24 2016-09-21 环境保护部南京环境科学研究所 Highly-efficient low-polluted greenhouse soft-shelled turtle cultivation system and recycling method of cultivation waste water

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CN2883355Y (en) * 2006-09-08 2007-03-28 王宝贞 Sewage treatment and ultilization Ecological pool
CN101642076A (en) * 2009-09-01 2010-02-10 中国水产科学研究院渔业机械仪器研究所 Method and system for regulating water quality of pool complex culture
CN101766138A (en) * 2010-01-13 2010-07-07 苏州大学 Circulating-water aquaculture system and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441788A1 (en) * 1974-08-31 1976-03-18 Battelle Institut E V Cultivating fish, shell-fish and crabs - while preventing nitrite and nitrate concn rise in closed-cycle water
CN2883355Y (en) * 2006-09-08 2007-03-28 王宝贞 Sewage treatment and ultilization Ecological pool
CN101642076A (en) * 2009-09-01 2010-02-10 中国水产科学研究院渔业机械仪器研究所 Method and system for regulating water quality of pool complex culture
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103814836A (en) * 2012-11-19 2014-05-28 朱光来 Method for high-density river crab aquaculture with six-ring cages
CN103392663A (en) * 2013-07-24 2013-11-20 吴江市水产养殖有限公司 Circulating water flowing fishpond and fish-farming method
CN103814857A (en) * 2014-02-17 2014-05-28 苏州大学 Fish and crab hybrid breeding pond and breeding method thereof
CN103814857B (en) * 2014-02-17 2015-11-25 苏州大学 A kind of fish crab culturing pool and cultural method thereof
CN104026067A (en) * 2014-05-19 2014-09-10 苏州市泰盛农业科技有限公司 Green turtle ecological water circulating system
CN105532555A (en) * 2015-12-16 2016-05-04 苏州蟹家族生态农业有限公司 Ornamental crab water circulation culture system
CN105941289A (en) * 2016-05-24 2016-09-21 环境保护部南京环境科学研究所 Highly-efficient low-polluted greenhouse soft-shelled turtle cultivation system and recycling method of cultivation waste water
CN105941289B (en) * 2016-05-24 2019-11-22 环境保护部南京环境科学研究所 A kind of the greenhouse breeding soft-shell turtle system and breeding wastewater method of resource of high-efficiency low-pollution

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Application publication date: 20120815