CN103918623B - Corbicula fluminea resource investigation complexes - Google Patents
Corbicula fluminea resource investigation complexes Download PDFInfo
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- CN103918623B CN103918623B CN201410163078.5A CN201410163078A CN103918623B CN 103918623 B CN103918623 B CN 103918623B CN 201410163078 A CN201410163078 A CN 201410163078A CN 103918623 B CN103918623 B CN 103918623B
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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
A kind of Corbicula fluminea resource investigation complexes, it comprises vision facilities and catching device, it is characterized in that image device comprises water-proof CCD camera (1), image transmitting hawser retractable apparatus (2) and graphic display terminal (3), image transmitting hawser one end connects water-proof CCD camera (1), the other end connects graphic display terminal (3), and water-proof CCD camera (1) observes water-bed Corbicula fluminea distribution situation to determine whether meet the condition of fishing for before fishing for; Described catching device is primarily of fishing for net cage (4), depression bar (5) and pulling rope (6) composition, described net cage (4) of fishing for is made up of box-frame and the grid body be arranged on box-frame, described depression bar (5) is fixed on box-frame, the described two ends pulling rope (6) are connected with the both sides that box-frame does not install the one side of grid body additional, do not install the spine (8) grid body edge of going to the bottom simultaneously adding and is convenient in insertion river silt mud at box-frame additional.Simple and ingenious structure of the present invention, easy to operation, cost of manufacture is low.
Description
Technical field
The present invention relates to a kind of Fishery technical, be particularly useful for Corbicula fluminea (a kind of zoobenthos) investigation device, specifically a kind of complexes for investigating Corbicula fluminea resource and fish for.
Background technology
Corbicula fluminea is a kind of fresh-water aquatic organisms, belongs to Bivalve.Its delicious flavour, be of high nutritive value, dark liking by domestic and Japanese, Korea S and country in Southeast Asia consumer is one of important fresh water aquatic products export varieties of China.Corbicula fluminea shell median size, in round bottom triangle, shell is high long approximate with shell, and two shells expand, and shell is risen, and is slightly partial to front.Shell face is glossy, and color is different because of environment, often in brown color, yellow green or pitchy.There is coarse ring rib in shell face.Ligament is short, protrudes from outside shell.Twisting part is flourishing, and adductor scar is obvious, and overcoat trace deeply and significantly.Corbicula fluminea inhabits in the rivers that the lake of fresh water, irrigation canals and ditches, pond and salt-fresh water cross, and is distributed widely in China's inland waters.All distribution is had in Russia, Japan, Korea, Southeast Asian countries.
Corbicula fluminea is a kind of Bivalve aquatile with very strong adaptive capacity to environment, it draws the element in surrounding medium, the housing of its carbonate components is formed by the secretion of its software. therefore the chemical composition of Corbicula fluminea housing should the Geochemical Characteristics of reaction environment medium. and Nanming River, guizhou Province Corbicula fluminea housing medium trace element composition shows with the comparative study of pollution of estuary situation, along with the deterioration of quality of river water, Pb in Corbicula fluminea housing, Cd, Cu, Co, Fe, Mn content raises, wherein the lift-rising ratio of Pb is maximum, reach 285%, secondly be Cd, Cu, Co, Fe and Mn, be respectively 127%, 121%, 84%, 48%, with 34%, on the contrary, Ni, Na, Zn then in the Corbicula fluminea housing of heavy contamination section content lower, wherein the reduction ratio of Ni is maximum, be 63%, secondly be Na and Zn, be respectively 18% and 14%. this Preliminary Results demonstrate change along with water quality geochemical conditions, Corbicula fluminea is adjust the composition of oneself housing really to adapt to the change of external environment, wherein the changes of contents of the trace element such as Pb, Cd, Cu, Co, Fe, Mn changes consistent with water pollution, the contamination characteristics that can be used in reaction environment medium.A species of small clam living in fresh water meat is nutritious, and meat can be eaten raw, and silks a species of small clam living in fresh water does and can, also can be used as medicine.Have appetizing, logical breast, improving eyesight, diuresis, control beriberi, dry poison and the effect of sobering up, also can treat hepatopathy, measles is brought down a fever.Corbicula fluminea is the natural bait of benthic fishes, bird.Shell powder can make the raw material of lime.A species of small clam living in fresh water is also the second intermediate host of echinostoma revolutum, a species of small clam living in fresh water of not boiling of eating raw or take food, and easily suffers from echinostoma revolutum disease.Corbicula fluminea three months accessibility maturations, all can breed throughout the year.The sexual gland the most plentiful phase is 5 ~ August, and the reproduction most productive period is 5 ~ June.The life-span of Corbicula fluminea is about 5 years, and the best is adopted and caught period of use is l ~ 2 ages.A species of small clam living in fresh water shell of craft articles, should be more than 3 years.Corbicula fluminea inhabits that substrate mostly is husky, the rivers of husky mud or mud, lake, irrigation canals and ditches, pond and salt-fresh water waters, river mouth.At bottom battalion troglodytism, it is 10-20 millimeter that young a species of small clam living in fresh water perches the degree of depth, and large a species of small clam living in fresh water is submersible occupies 20-200 millimeter, with the distribution of 20-50 millimeter at most.Ingest the plankton (as diatom, green alga, eye worm, wheel animalcule etc.) of filtering through the gill, is a kind of passive feeding method.Corbicula fluminea is gonochorism, but also finds that there is hermaphroditic individuality.The Corbicula fluminea annual 5-8 month of In Fujian Province is breeding period, now occurs a large amount of white slimy shape things bottom riverbed.When the Corbicula fluminea young swims after life terminates, dwelt life 15-30 sky in the battalion end that namely sinks under water, then grew up to little a species of small clam living in fresh water of 2 millimeters through about 1 month, within 3 months, can grow to 10 millimeters, about 5 years life-spans of a species of small clam living in fresh water.
Corbicula fluminea cultivation had both been suitable for the large and medium-sized water surface Releasing and enhancing in lake, was also suitable for small-size water surface or pond and threw and raise, throw fertile cultivation.Cultivation Corbicula fluminea cost is low, output is high, easily fishes for, and can put in a suitable place to breed then and gather in the crops then, remarkable in economical benefits.Corbicula fluminea meat flavour is delicious, nutritious, except eating raw, can also be processed into that a species of small clam living in fresh water is dry, can, frozen baby clam or pickle into salty a species of small clam living in fresh water.Not only be subject to people at home to like, in Japan, Korea S and Southeast Asia, some countries, are also generally subject to the favor of consumer.There is provided the commodity river of outlet to advise, long 25 ~ 36 millimeters of general shell, shell is high 22 ~ 33 millimeters, and shell is wide 16 ~ 28 millimeters.Individual weight 4 ~ 7 grams, per kilogram 160 ~ 220.Corbicula fluminea can also as farmland fertilizer.Use broken a species of small clam living in fresh water meat, broken inkstone shell, have improving effect to acid ground.In recent years, along with the increase of Corbicula fluminea export volume, Corbicula fluminea price constantly promotes.Japan, Korea S to the fresh and alive Corbicula fluminea of China's import up to ten thousand tons, sobers up every year, hepatinica meals.Corbicula fluminea not only can as the medicinal material of Chinese medicine, has appetizing, logical breast, improving eyesight, diuresis, the poison that dries, controls hepatopathy, measles is brought down a fever, relieving cough and reducing sputum, effect such as to relieve the effect of alcohol, but also is the natural bait of poultry class and fish.A species of small clam living in fresh water meat, a species of small clam living in fresh water shell that pass through pulverizing allocate mixed feed into, the effect that poultry of feeding has growth promoting effects to breed, and can improve bird laying rate, domestic animals galactopoiesis rate.Corbicula fluminea also can be used as the fresh and alive bait section of some special aquatic products product, and in recent years, along with the development of soft-shelled turtle, carp, swamp eel, crab cultivation, people also started the cultivation paying attention to Corbicula fluminea.
Corbicula fluminea resource survey technique is the basis of Corbicula fluminea resource being carried out to maintenance work and Appropriate application.And present stage, due to the living environment of Corbicula fluminea uniqueness, still do not form efficient method for fishing for of Corbicula fluminea, in fishing for, ubiquity the phenomenons such as lethality is high, overfishing, especially lacks effective hardware facility and technological means to the investigation of the Corbicula fluminea stock number of specific standard.
Summary of the invention
The object of the invention is to carry out ineffective with fishing for because lacking desirable instrument for current Corbicula fluminea resource investigation, have impact on the comprehensive exploitation of Corbicula fluminea resource and the problem of Appropriate application, designing a kind of complexes being conducive to Corbicula fluminea Investigation on Data and fish for.
Technical scheme of the present invention is:
A kind of Corbicula fluminea resource investigation complexes, the catching device that it comprises the vision facilities for observing the distribution of water-bed Corbicula fluminea and fishes for for Corbicula fluminea, it is characterized in that described image device comprises water-proof CCD camera 1, image transmitting hawser retractable apparatus 2 and graphic display terminal 3, image transmitting hawser one end connects water-proof CCD camera 1, the other end connects graphic display terminal 3, the length of image transmitting hawser is controlled by image transmitting hawser retractable apparatus 2, water-proof CCD camera 1 observes water-bed Corbicula fluminea distribution situation and substrate situation, to determine whether to meet the condition of fishing for before fishing for; Described catching device forms primarily of fishing for net cage 4, depression bar 5 and pulling rope 6, described net cage 4 of fishing for is made up of box-frame and the grid body be arranged on box-frame, grid body is enclosed and is contained on five faces of box-frame, described depression bar 5 is fixed on box-frame, the both sides that the described two ends pulling rope 6 and box-frame do not install the one side of grid body additional are connected, and do not install the spine 8 grid body edge of going to the bottom simultaneously adding and is convenient in insertion river silt mud at box-frame additional.
Described grid body spiral-lock on box-frame, according to investigation or the needs of fishing for, can by the grid body spiral-lock of different size on box-frame, to obtain the Corbicula fluminea of different size.
Described depression bar 5 is provided with to be convenient to understand fishes for the scale mark that net cage enters the water-bed degree of depth.
Described net cage 4 is provided with vibrating motor 7, to pull in advance process and shake unnecessary river silt or impurity from fishing for net cage in time fishing for net cage.
Beneficial effect of the present invention:
The present invention solves the Investigational difficult problem of current Corbicula fluminea by video and catching device, and for scientific research part provides desirable research means, researcher can according to the decision of water-bed situation the need of carrying out fishing for of Corbicula fluminea, and determines the specification of fishing for.
The present invention is more convenient for fishing for case can enters the degree of depth suitable in river silt by installing spine additional in the porch of catching device, be more convenient for being embedded in fishing for of Corbicula fluminea in river silt to part trunk, the effect because of net cage weight also can be prevented Corbicula fluminea to be pressed in river silt the generation of problems such as cannot fishing for.
The present invention is by installing vibrating motor additional, and just net cage produces vibration in advance process, is disperseed by river silt in time flow out and stayed in net cage by Corbicula fluminea from net cage.
The present invention by installing scale additional on depression bar, then net cage sinks to the bottom the degree of depth in rear insertion river silt to coordinate image record to guarantee, guarantees fishing efficiency, for resource investigation provides data accurately.
Simple and ingenious structure of the present invention, easy to operation, cost of manufacture is low, good to the fishing efficiency of Corbicula fluminea, injure little, fishing style science, " catch stay greatly little ", " classification is fished for " can be realized, both can be used for the fishing operation of Corbicula fluminea, also can be used for, to the investigation of wild Corbicula fluminea resource, there is higher economic worth and scientific research value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the image collecting device in complexes of the present invention.
Fig. 2 is the structural representation of catching device of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1-2.
A kind of Corbicula fluminea resource investigation complexes, the catching device that it comprises the vision facilities for observing the distribution of water-bed Corbicula fluminea and fishes for for Corbicula fluminea, described image device as shown in Figure 1, it comprises water-proof CCD camera 1, image transmitting hawser retractable apparatus 2 and graphic display terminal 3, image transmitting hawser one end connects water-proof CCD camera 1 other end connection graphic display terminal 3(and can adopt notebook computer to realize), the length of image transmitting hawser is controlled by image transmitting hawser retractable apparatus 2, water-proof CCD camera 1 observes water-bed Corbicula fluminea distribution situation and substrate situation before fishing for, to determine whether to meet the condition of fishing for, image transmitting hawser retractable apparatus 2 can adopt conventional manual or electronic hawser retractable apparatus, also the retractable apparatus that service cable is conventional can be adopted.Described catching device forms primarily of fishing for net cage 4, depression bar 5 and pulling rope 6, described net cage 4 of fishing for is made up of box-frame and the grid body be arranged on box-frame, can be different according to the specification of the required Corbicula fluminea fished for before using, select satisfactory grid body spiral-lock on five faces of box-frame, buckling structure can adopt conventional buckle structure, and the mode of tying up also can be adopted to fix.Described depression bar 5 is fixed on the upper ledge face of box-frame, and quantity can be one, also can be two, depression bar 5 is preferably provided be convenient to understand to fish for the scale mark that net cage enters the water-bed degree of depth.The both sides that the described two ends pulling rope 5 and box-frame do not install the one side of grid body additional are connected, and pull rope 5 and can be hooked on dredger, do not install the spine 8 grid body edge of going to the bottom simultaneously adding and is convenient in insertion river silt mud at box-frame additional.During concrete enforcement, net cage 4 is also provided with vibrating motor 7, to pull in advance process and in time unnecessary river silt or impurity shaken from fishing for net cage fishing for net cage, vibrating motor 7 can adopt powered battery, on the framework that battery fixedly can fish for net cage or be directly installed in the steel pipe of composition framework, battery also can increase the weight of fishing for net cage, is convenient to fish for net cage and inserts in river silt, battery also can be arranged on towboat, and gauge tap is preferably arranged on towboat or on depression bar.
In addition, when specifically implementing, also water-proof CCD camera 1 can be fixed on and fish on net cage 4 so that whether the quantity of observing the Corbicula fluminea fished in net cage in time reaches requirement to stop in time fishing for.Need can suitably halt a moment during the amount of fishing understanding Corbicula fluminea, the picked-up of image can be facilitated after waiting water clear.
The pore size of grid body can be respectively 3cm*3cm, 2cm*2cm and 1.5cm*1.5cm.
Using method of the present invention is as follows:
(1) according to pre-Catchable size, by the grid body spiral-lock of dimension on box-frame.
(2) with Underwater Camera to fishing for the substrate situation in waters, Corbicula fluminea density observes or estimates;
(3) the pulling rope of catching device is connected with towboat securely;
(4) operating personnel on ship, firmly to pressing down two depression bars, by reading the rule on iron, make this device embed in the river silt of appropriate depth;
(5) electric vibrator is opened;
(6) start towboat, speed is about 0.5 meter per second, advances 20 ~ 60 seconds;
(7) catching device is pulled out the water surface, after washing away bed mud, namely isolate Corbicula fluminea.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (2)
1. Corbicula fluminea resource investigation complexes, the catching device that it comprises the vision facilities for observing the distribution of water-bed Corbicula fluminea and fishes for for Corbicula fluminea, it is characterized in that described vision facilities comprises water-proof CCD camera (1), image transmitting hawser retractable apparatus (2) and graphic display terminal (3), image transmitting hawser one end connects water-proof CCD camera (1), the other end connects graphic display terminal (3), the length of image transmitting hawser is controlled by image transmitting hawser retractable apparatus (2), water-proof CCD camera (1) observes water-bed Corbicula fluminea distribution situation and substrate situation before fishing for, to determine whether to meet the condition of fishing for, described catching device is primarily of fishing for net cage (4), depression bar (5) and pulling rope (6) composition, described net cage (4) of fishing for is made up of box-frame and the grid body be arranged on box-frame, grid body is enclosed and is contained on five faces of box-frame, described depression bar (5) is fixed on box-frame, the described two ends pulling rope (6) are connected with the both sides that box-frame does not install the one side of grid body additional, do not install the spine (8) grid body edge of going to the bottom simultaneously adding and is convenient in insertion river silt mud at box-frame additional, described grid body spiral-lock on box-frame, according to investigation or the needs of fishing for, can by the grid body spiral-lock of different size on box-frame, to obtain the Corbicula fluminea of different size, described net cage (4) is provided with vibrating motor (7), to pull in advance process and shake unnecessary river silt or impurity from fishing for net cage in time fishing for net cage.
2. complexes according to claim 1, is characterized in that described depression bar (5) is provided with to be convenient to understand and fish for the scale mark that net cage enters the water-bed degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410163078.5A CN103918623B (en) | 2014-04-23 | 2014-04-23 | Corbicula fluminea resource investigation complexes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410163078.5A CN103918623B (en) | 2014-04-23 | 2014-04-23 | Corbicula fluminea resource investigation complexes |
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| CN103918623A CN103918623A (en) | 2014-07-16 |
| CN103918623B true CN103918623B (en) | 2016-03-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104304199B (en) * | 2014-10-29 | 2016-11-16 | 中国水产科学研究院淡水渔业研究中心 | A kind of fish-catching apparatus automatically selecting fishing kind |
| CN108308130A (en) * | 2018-04-25 | 2018-07-24 | 江苏省淡水水产研究所 | A kind of mandarin fish resource investigation finishing device |
| CN111631177B (en) * | 2020-04-28 | 2022-02-01 | 中国水产科学研究院东海水产研究所 | Use method of eriocheir sinensis early resource quantitative investigation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3608217A (en) * | 1969-02-28 | 1971-09-28 | Charles J Voisin Sr | Oyster dredging system |
| CN1069167A (en) * | 1992-07-17 | 1993-02-24 | 方圣元 | Big water surface operation catching method |
| CN201248325Y (en) * | 2008-08-26 | 2009-06-03 | 陈德金 | Razor clam harvesting machine |
| CN102511453A (en) * | 2012-01-06 | 2012-06-27 | 苏州大学 | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool |
| CN102524203A (en) * | 2012-02-28 | 2012-07-04 | 杨谷华 | Mechanical fishing device for aquiculture fixed platform and application thereof |
| CN103478091A (en) * | 2013-10-15 | 2014-01-01 | 大连重矿设备制造有限公司 | Visible marine product catcher |
-
2014
- 2014-04-23 CN CN201410163078.5A patent/CN103918623B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3608217A (en) * | 1969-02-28 | 1971-09-28 | Charles J Voisin Sr | Oyster dredging system |
| CN1069167A (en) * | 1992-07-17 | 1993-02-24 | 方圣元 | Big water surface operation catching method |
| CN201248325Y (en) * | 2008-08-26 | 2009-06-03 | 陈德金 | Razor clam harvesting machine |
| CN102511453A (en) * | 2012-01-06 | 2012-06-27 | 苏州大学 | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool |
| CN102524203A (en) * | 2012-02-28 | 2012-07-04 | 杨谷华 | Mechanical fishing device for aquiculture fixed platform and application thereof |
| CN103478091A (en) * | 2013-10-15 | 2014-01-01 | 大连重矿设备制造有限公司 | Visible marine product catcher |
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| CN103918623A (en) | 2014-07-16 |
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