Predation by otters (Lutra lutra) - a new phenomenon in Czech fishpond management

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A_____%2F02%3A00004039" target="_blank" >RIV/60076658:_____/02:00004039 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Predation by otters (Lutra lutra) - a new phenomenon in Czech fishpond management
Original language description
The occurrence of otter (Lutra lutra) in the Czech Republic has been dramatically raising during the past decade. Recently, their numbers attained 700 individuals in 1999 as presented by the institutions of nature protection however 2,000 individuals arereported by the Fish Farmers Association. The most of data about otter food requirements as presented in the scientific literature concern the results of analyses utilising otter excrements for reconstruction of diet composition and quantitative data. The reconstruction of consumed fish size is usually performed using bone elements, which are ingested by otter - and thus they can appear in otter excrements only in case of smaller fish. Regarding bigger fish, otter usually consumes only soft parts likeviscera and mussels. Their rests naturally cannot appear in excrements (or better said they are undetectable), which leads to misinterpretations in presentation of otter diet composition. The maximum size of fish cadaver left by otter, wh
Czech name
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Czech description
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Publication year
2002
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Pond Aquaculture in Central and Eastern Europe in 21st Century, EAS Spec. Publ.
ISBN
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ISSN
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e-ISSN
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Number of pages
4
Pages from-to
41-44
Publisher name
European Aquaculture Society
Place of publication
Oostende
Event location
Vodňany
Event date
May 2, 2002
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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