A model of gillnet catch in relation to the catchable biomass, saturation and soak time and sampling period
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F11%3A00352000" target="_blank" >RIV/60077344:_____/11:00352000 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
A model of gillnet catch in relation to the catchable biomass, saturation and soak time and sampling period
Original language description
We developed a new approach for evaluating gillnet catches. A model of a gillnet catch was built to differentiate the effects of gillnet saturation, fish activity and fish escapement from the gillnet catch. We also observed the effects of soak time (2, 5, 8, 11 and 13 h) and sampling period (August vs. September) on the catch. Our results show that saturation and fish escapement from gillnets are important events occurring during each use, thus violating the assumption of a linear relationship between gillnet catch and fish density. We created a conversion table and a slide rule, from which the catchable biomass rates can be determined. We also developed a method for the conversion of catches based on different soak times. Our findings help to better understand the processes underlying gillnet catches and improve the interpretability and reliability of this method in comparing different gears used and assessing fish communities in general.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DA - Hydrology and limnology
OECD FORD branch
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Result continuities
Project
<a href="/en/project/KJB600960810" target="_blank" >KJB600960810: Effect of food quantity and quality on the reverse in competitive success between 0+ perch and roach</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Fisheries Research
ISSN
0165-7836
e-ISSN
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Volume of the periodical
107
Issue of the periodical within the volume
1
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
9
Pages from-to
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UT code for WoS article
000287113600022
EID of the result in the Scopus database
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