CN106651468A - Scale estimation method for spawning ground of river fishes capable of laying adhesive eggs - Google Patents
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 51
- 235000013601 eggs Nutrition 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000853 adhesive Substances 0.000 title abstract 3
- 230000001070 adhesive effect Effects 0.000 title abstract 3
- 238000011835 investigation Methods 0.000 claims abstract description 20
- 244000144987 brood Species 0.000 claims abstract description 9
- 230000001850 reproductive effect Effects 0.000 claims abstract description 8
- 238000003306 harvesting Methods 0.000 claims description 14
- 238000009395 breeding Methods 0.000 claims description 9
- 230000001488 breeding effect Effects 0.000 claims description 9
- 238000011160 research Methods 0.000 claims description 5
- 238000002224 dissection Methods 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 3
- 230000026109 gonad development Effects 0.000 claims description 2
- 230000017448 oviposition Effects 0.000 abstract 1
- 230000001568 sexual effect Effects 0.000 abstract 1
- 241000252233 Cyprinus carpio Species 0.000 description 8
- 102000002322 Egg Proteins Human genes 0.000 description 7
- 108010000912 Egg Proteins Proteins 0.000 description 7
- 210000004681 ovum Anatomy 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005259 measurement Methods 0.000 description 2
- 241000244831 Agrimonia gryposepala Species 0.000 description 1
- 241001609213 Carassius carassius Species 0.000 description 1
- 241000252230 Ctenopharyngodon idella Species 0.000 description 1
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 1
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 241000269800 Percidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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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
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710003397.3A CN106651468B (en) | 2017-01-04 | 2017-01-04 | Method for estimating size of spawning site of fishes laying muco-sinking eggs in rivers |
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| CN201710003397.3A CN106651468B (en) | 2017-01-04 | 2017-01-04 | Method for estimating size of spawning site of fishes laying muco-sinking eggs in rivers |
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Cited By (4)
| 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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| 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 |
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| 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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| 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 |
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Cited By (8)
| 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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| CN106651468B (en) | 2020-06-09 |
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