CN106651468A - Scale estimation method for spawning ground of river fishes capable of laying adhesive eggs - Google Patents

Scale estimation method for spawning ground of river fishes capable of laying adhesive eggs Download PDF

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CN106651468A
CN106651468A CN201710003397.3A CN201710003397A CN106651468A CN 106651468 A CN106651468 A CN 106651468A CN 201710003397 A CN201710003397 A CN 201710003397A CN 106651468 A CN106651468 A CN 106651468A
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spawning ground
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CN106651468B (en
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李跃飞
李新辉
杨计平
张迎秋
夏雨果
朱书礼
刘亚秋
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Pearl River Fisheries Research Institute CAFS
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • A01K61/00Culture of aquatic animals
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    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract

The invention provides a scale estimation method for a spawning ground of river fishes capable of laying adhesive eggs. According to the scale estimation method, a spawning ground scale T is estimated according to an investigation object population total number S, a sexual maturity individual number ratio P1, a reproductive population female number ratio P2, a after-egg laying individual ratio P3 and a relative fish brood amount R; and the spawning ground scale T is equal to S*P1*P2*P3*w*R. According to the method provided by the invention, fishing investigation is combined with fish population growth and death parameter estimation, and reproductive biology parameters; and the scale estimation problem of the spawning ground of the river fishes capable of laying the adhesive eggs is solved, so that the difficulties that area of an egg laying region and fish egg density and the like underwater are difficult to count, and equipment cannot develop the work while the equipment does not meet the requirements are avoided.

Description

A kind of rivers produce the spawning ground Quantity customizing method of viscous demersal egg fish
Technical field
The present invention relates to a kind of method of spawning ground Quantity customizing, especially a kind of rivers produce the spawning of viscous demersal egg fish Field Quantity customizing method.
Background technology
Due to overfishing, water environment pollution, dam construction, the reason such as dig sand, rivers freshwater fish resource is past The trend for drastically failing is presented between decades.And cause the major reason that stock of fish amount changes to be exactly habitat funeral Lose or destroy.Fish spawning ground is place important and sensitive in Habitat for Fish, is the important field that fish are laid eggs, bred Institute, is related to multiplying and living for fish population.Therefore, the investigation for fish spawning ground position and scale is also fish guarantor The emphasis of ecological study is protected, is also the object that current Water-related Project affects to pay close attention to.
Different fish have different reproductive habits, can be divided into product Drifting egg, glue and sink according to the property of its fish-egg Property ovum and other special Type of Spawning etc., and most of fish belong to first two.It is (such as blue or green for Drifting egg fish are produced Fish, grass carp, silver carp, flathead etc.) for, its early life history stage has the process of development of passively drifting about with current, and researcher is general The position in its spawning ground can be inferred according to the fish-egg puberty and river flow velocity that collect, and can be according to rivers section runoff Amount and the fish-egg density that collects are estimating the scale in its spawning ground.But for produce viscosity and demersal egg fish (such as carp, Crucian carp, Ban Guttatus etc.) for, its majority is to send out on pasture and water, gravel or the rock of settled fishes, fish-egg generally adhesion and life waters Educate, therefore be difficult to estimate the scale in its spawning ground, this is also so far substantially without product viscosity and demersal egg fish spawning ground scale report The reason for road.
Therefore it is badly in need of proposing a kind of spawning ground scale investigation method for being suitable for the viscous demersal egg fish of colonization property product, Neng Gouke Learn, reflect the scale for producing viscous ovum fish spawning ground exactly.
The content of the invention
It is an object of the invention to provide a kind of rivers produce the spawning ground Quantity customizing method of viscous heavy ovum fish.
A kind of rivers produce the spawning ground Quantity customizing method of viscous heavy ovum fish, comprise the following steps:
1) carry out fishery in spawning ground waters and fish for investigation, the investigation period covers respondent, be i.e. viscous heavy ovum fish is produced in investigation The breeding period of class, fattening period, three periods of Wintering Period, master data is obtained, including obtain fishing boat quantity N, year fishing operation day Number D, respondent's list ship fishery harvesting quantity n;Simultaneously by dissection and analysis, the individual ratio of the sexal maturity of research object in fishery harvesting is obtained Example P1, female proportion P2 in sexal maturity individuality, and accounted for according to the gonad development phase female that judges to have been laid eggs in breeding period fishery harvesting The quantitative proportion P3 of sexal maturity female.
2) growth and mortality parameter to respondent estimates that acquisition total mortality coefficient Z, natural mortality coefficient M enter And calculate its rate of exploitation E.
3) estimate respondent in the product according to single ship fishery harvesting quantity n, fishing boat quantity N, fishing operation number of days D, rate of exploitation E Total quantity S in ovum field waters.
4) survey object female sexal maturity individual tail counterpoise w and relative fish brood amount R is measured;
5) according to female quantitative proportion in respondent's population total amount S, sexal maturity individual amount ratio P1, reproductive population P1, individual ratio P3 of having laid eggs, relative fish brood amount R estimation spawning ground scales, spawning ground scale T=S × P1 × P2 × P3 × w × R。
Further, the step 2) in rate of exploitation E=(Z-M)/Z.
Further, the step 3) in total quantity S=N × D × n/E.
Further, the respondent is colonization property, the viscous demersal egg fish of product.
Further, the female of having laid eggs accounts for the quantitative proportion P3 of sexal maturity female, only relies on breeding period investigation result Obtain.Further, the P1 and P2 are obtained according to breeding period, fattening period, the investigation result of three periods of Wintering Period.
The invention has the beneficial effects as follows:
The method have the advantages that fish for investigation by fishery, with reference to fish population growth and mortality parameter estimate with And reproductive parameter, the spawning ground Quantity customizing for producing viscous demersal egg fish is solved the problems, such as, unite under water so as to avoid Meter spawning region area and fish-egg density etc. difficulty is very big or equipment does not reach the difficult problem for requiring just cannot to carry out the work.
Specific embodiment
Technical scheme is described in detail below by specific embodiment, but the scope of the present invention It is not restricted by the embodiments.
The Wuxuan river Duan Ban Guttatus spawning grounds Quantity customizing of embodiment 1
Wuxuan river section is located at Zhujiang River middle reaches Hongsuihe River and Liujiang river conjunction downstream, and The water is deep and the current fast, and water quality is good, littoral many reefs Stone and cave, be very suitable for Ban Guttatus perches life, is also important spawning ground at the one of Zhujiang River Ban Guttatus.But due to hardware equipped Condition is limited, it is difficult to its spawning ground scale is estimated, but this method can solve the problems, such as its spawning ground estimation.
1) carry out fishery in March, 2016, June and October in Wuxuan river section and fish for investigation, it is thus understood that the river section is distributed with Professional fishing operation fishing boat quantity 60, year fishing operation number of days 200 days, the number indicating a ship's order of departure catches of investigation statisticses 45 add up to Ban Guttatus 118 tails, it may thus be appreciated that the tail of list ship fishery harvesting Ban Guttatus quantity 2.6;Simultaneously by dissection and analysis, the sexal maturity of fishery harvesting Zhong Ban Guttatus is obtained Ratio P1 of body is 20%, wherein female ratio is that P2 is 56% in ripe individuality, female individuals of having laid eggs ratio is for P3 45%.
2) growth and mortality parameter to Wuxuan river Duan Ban Guttatus estimates that it is 1.62, natural death to obtain total mortality coefficient Z The coefficient M that dies is 0.45, and then calculates its rate of exploitation E=(Z-M)/Z=0.72.
3) research can be estimated according to single ship fishery harvesting quantity n, fishing boat quantity N, fishing operation number of days D, tail counterpoise w, rate of exploitation E Object the spawning ground waters total quantity, total quantity S=N × D × n/E=60 × 200 × 2.6 ÷ 0.72=43333 tails.
4) the individual tail counterpoise w of the female sexal maturity of measurement statistics is 2745g, and relative fish brood amount R is 7/gram;
5) according to female quantitative proportion in respondent's population total amount S, sexal maturity individual amount ratio P1, reproductive population P1, individual ratio P3 of having laid eggs, relative fish brood amount R can estimate spawning ground scale, spawning ground scale T=S × P1 × P2 × P3 × w × R=43333 × 20% × 56% × 45% × 2745 × 7=41965237 grains.
It follows that going out Wuxuan river section Ban Guttatus spawning grounds scale using this method preresearch estimates is about forty-two million grain.
Zhaoqing carp spawning ground Quantity customizing of embodiment 2
Zhaoqing river section is traditional carp spawning ground location, but carp belongs to stickweed property ovum fish, it is difficult to carry out under water Spawning ground adheres to the statistics of fish-egg quantity, therefore is difficult to estimate its spawning ground scale.It can be laid eggs using this method Field scale is estimated.
1) carry out fishery in March, 2016, June and October in Zhaoqing river section and fish for investigation, it is thus understood that the river section is distributed with Professional fishing operation fishing boat quantity 90, year fishing operation number of days 260 days, the number indicating a ship's order of departure catches of investigation statisticses 74 add up to carp 29 Tail, it may thus be appreciated that single tail of ship fishery harvesting carp quantity 0.4;Simultaneously by dissection and analysis, the sexal maturity for obtaining carp in fishery harvesting is individual Ratio P1 be 60%, wherein female ratio P2 is 52% in ripe individuality, female individuals of having laid eggs ratio P3 is 24%.
2) growth and mortality parameter to Wuxuan river Duan Ban Guttatus estimates that it is 1.53, natural death to obtain total mortality coefficient Z The coefficient F that dies is 0.42, and then calculates its rate of exploitation E=(Z-M)/Z=0.73.
3) research can be estimated according to single ship fishery harvesting quantity n, fishing boat quantity N, fishing operation number of days D, tail counterpoise w, rate of exploitation E Object the spawning ground waters total quantity, total quantity S=N × D × n/E=90 × 260 × 0.4 ÷ 0.73=12822 tails.
4) the individual tail counterpoise w of the female sexal maturity of measurement statistics is 1480g, and relative fish brood amount R is 127/gram;
5) according to female quantitative proportion in respondent's population total amount S, sexal maturity individual amount ratio P1, reproductive population P1, individual ratio P3 of having laid eggs, relative fish brood amount R can estimate spawning ground scale, spawning ground scale T=S × P1 × P2 × P3 × w × R=12822 × 60% × 52% × 24% × 1480 × 127=180462531 grains.
It follows that using this method can the spawning ground scale of preresearch estimates Zhaoqing river section carp be about 1.8 hundred million.
To sum up, growth and mortality parameter that investigation obtains researching fish population are fished for by fishery, extrapolates research object Total resources, and with reference to the biological relevant characteristic parameter of its Population breeding, using this method it is estimated that its spawning ground rule Mould.This method is that a kind of simple and science reliably produces viscous demersal egg fish spawning ground Quantity customizing method.
It is pointed out that two embodiments of the above are explanation of the invention, it is not the restriction to inventing, Without prejudice to spirit of the invention in the case of, the present invention can make any type of modification.

Claims (6)

1. a kind of rivers produce the spawning ground Quantity customizing method of viscous demersal egg fish, comprise the following steps:
1) carry out fishery in spawning ground waters and fish for investigation, obtain master data, including acquisition fishing boat quantity N, year fishing operation Number of days D, respondent's list ship fishery harvesting quantity n;Simultaneously by dissection and analysis, the sexal maturity individuality of respondent in fishery harvesting is obtained Ratio P1, female proportion P2 in sexal maturity individuality, and female of having laid eggs in breeding period fishery harvesting is judged according to the gonad development phase Account for the quantitative proportion P3 of sexal maturity female.
2) growth and mortality parameter to respondent estimate, obtains total mortality coefficient Z, natural mortality coefficient M, Jin Erji Calculate its rate of exploitation E.
3) estimate respondent in the spawning ground according to single ship fishery harvesting quantity n, fishing boat quantity N, fishing operation number of days D, rate of exploitation E Total quantity S in waters.
4) survey object female sexal maturity individual tail counterpoise w and relative fish brood amount R is measured;
5) according to female quantitative proportion P2 in respondent's population total amount S, sexal maturity individual amount ratio P1, reproductive population, Lay eggs individual ratio P3, relative fish brood amount R estimations spawning ground scale T, spawning ground scale T=S × P1 × P2 × P3 × w × R.
2. a kind of rivers as claimed in claim 1 produce the spawning ground Quantity customizing method of viscous demersal egg fish, it is characterised in that: The step 1) fishery fish for its investigation period of investigation and cover breeding period, fattening period, three periods of Wintering Period of research object.
3. a kind of rivers as claimed in claim 1 produce the spawning ground Quantity customizing method of viscous demersal egg fish, it is characterised in that: The step 2) in rate of exploitation E=(Z-M)/Z.
4. a kind of rivers as claimed in claim 1 produce the spawning ground Quantity customizing method of viscous demersal egg fish, it is characterised in that: The step 3) in total quantity S=N × D × n/E.
5. a kind of rivers as claimed in claim 1 produce the spawning ground Quantity customizing method of viscous demersal egg fish, it is characterised in that: Further, the respondent is colonization property, the viscous demersal egg fish of product.
6. female of having laid eggs described in accounts for the quantitative proportion P3 of sexal maturity female, only relies on the acquisition of breeding period investigation result.Further , the P1 and P2 is obtained according to breeding period, fattening period, the investigation result of three periods of Wintering Period.
CN201710003397.3A 2017-01-04 2017-01-04 Method for estimating size of spawning site of fishes laying muco-sinking eggs in rivers Expired - Fee Related CN106651468B (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN108932377A (en) * 2018-05-31 2018-12-04 中国水产科学研究院珠江水产研究所 A kind of fish spawning ground accurate positioning method and system
CN111008794A (en) * 2019-12-31 2020-04-14 中国水产科学研究院黑龙江水产研究所 Multi-dimensional one-stop investigation method for spawning site of spawning fishes on large water area grass in rivers, lakes and reservoirs
CN114223588A (en) * 2021-12-17 2022-03-25 水利部中国科学院水工程生态研究所 Reservoir ecological scheduling method for guaranteeing hatching of grass-sticking fish eggs in reservoir area
CN115119793A (en) * 2022-06-27 2022-09-30 中国水产科学研究院黑龙江水产研究所 Method and device for counting spawn density of fingerlings in designated area

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CN103270983A (en) * 2013-05-22 2013-09-04 中国水产科学研究院长江水产研究所 Method for constructing schizothoracinae artificial spawning site in natural river
CN103355250A (en) * 2013-07-12 2013-10-23 中国水产科学研究院长江水产研究所 Underwater video observation positioning device and spawning scale evaluation method for Chinese sturgeon spawning ground
CN103760834A (en) * 2013-09-03 2014-04-30 中国农业大学 Fishery aquaculture growth process internet-of-things monitoring system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7836852B2 (en) * 2006-12-08 2010-11-23 Uwm Research Foundation, Inc. Methods for manipulating fish spawning cycles
CN101720682A (en) * 2008-10-24 2010-06-09 中国科学院水生生物研究所 Lake mandarin fish scale culturing method
CN103270983A (en) * 2013-05-22 2013-09-04 中国水产科学研究院长江水产研究所 Method for constructing schizothoracinae artificial spawning site in natural river
CN103355250A (en) * 2013-07-12 2013-10-23 中国水产科学研究院长江水产研究所 Underwater video observation positioning device and spawning scale evaluation method for Chinese sturgeon spawning ground
CN103760834A (en) * 2013-09-03 2014-04-30 中国农业大学 Fishery aquaculture growth process internet-of-things monitoring system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108932377A (en) * 2018-05-31 2018-12-04 中国水产科学研究院珠江水产研究所 A kind of fish spawning ground accurate positioning method and system
CN108932377B (en) * 2018-05-31 2022-11-01 中国水产科学研究院珠江水产研究所 Accurate positioning method and system for fish spawning site
CN111008794A (en) * 2019-12-31 2020-04-14 中国水产科学研究院黑龙江水产研究所 Multi-dimensional one-stop investigation method for spawning site of spawning fishes on large water area grass in rivers, lakes and reservoirs
CN111008794B (en) * 2019-12-31 2023-04-07 中国水产科学研究院黑龙江水产研究所 Multi-dimensional one-stop investigation method for spawning site of spawning fishes on large water area grass in rivers, lakes and reservoirs
CN114223588A (en) * 2021-12-17 2022-03-25 水利部中国科学院水工程生态研究所 Reservoir ecological scheduling method for guaranteeing hatching of grass-sticking fish eggs in reservoir area
CN114223588B (en) * 2021-12-17 2022-11-15 水利部中国科学院水工程生态研究所 Reservoir ecological scheduling method for guaranteeing hatching of grass-sticking fish eggs in reservoir area
CN115119793A (en) * 2022-06-27 2022-09-30 中国水产科学研究院黑龙江水产研究所 Method and device for counting spawn density of fingerlings in designated area
CN115119793B (en) * 2022-06-27 2023-03-14 中国水产科学研究院黑龙江水产研究所 Method and device for counting spawn density of fingerlings in designated area

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