Stock-catch analysis of carp recreational fisheries in Czech reservoirs: Insights into fish survival, water body productivity and impact of extreme events

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F12%3A00379790" target="_blank" >RIV/60077344:_____/12:00379790 - isvavai.cz</a>
Alternative codes found
RIV/60076658:12310/12:43883566
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0165783611003687" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0165783611003687</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.fishres.2011.12.003" target="_blank" >10.1016/j.fishres.2011.12.003</a>

Result language
angličtina
Original language name
Stock-catch analysis of carp recreational fisheries in Czech reservoirs: Insights into fish survival, water body productivity and impact of extreme events
Original language description
In culture-based fisheries, managers strive for high stocking efficiency, the ratio between the total weight of caught and stocked fish. We present a new time series approach to examine the dependence of reported catches on stocking and external events,using data on carp from 14 reservoirs in the Czech Republic. Analyses indicate that stocked carp are typically caught during the year of release or the year after; but also that the mean time lag between stocking and capture increases with reservoir area. External events can be important: major floods in the years 2002 and 2006 were in many reservoirs followed by up to 10-fold increases in catches in subsequent years as carp were washed down from upstream aquaculture and river stretches. In contrast, the ?Velvet Revolution in 1989 had no discernible effect on catches in subsequent years. In conclusion, the proposed method can simultaneously estimate the likely mean survival time of stocked carp and identify the impact of major environme
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EH - Ecology - communities
OECD FORD branch
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Project
<a href="/en/project/7F10070" target="_blank" >7F10070: Monitoring the environment of man-made lakes: what can fisheries data and models tell us?</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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