Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere
In the Dusia Lake in 2008 ichtiology studies caught 6 species of fish: perch, ruff, smelt, pike, roach and bleak simple. Fish species composition of the nucleus remains the same - ruff and perch. However, a significant change in the relative biomass of those species - ruff decreased 1.7 times and no...
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Format: | Master Thesis |
Language: | Lithuanian English |
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Institutional Repository of Vilnius University
2009
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Online Access: | https://repository.vu.lt/VU:ELABAETD2159052&prefLang=en_US |
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ftvilniusuniv:oai:elaba:2159052 2023-05-15T18:49:56+02:00 Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere Food items ruff (gymnocephalus cernuus l.) and perch (perca fluviatilis l.) in the lake dusia Pilinkovskij, Andrej Bukelskis, Egidijus 2009-06-03 application/pdf https://repository.vu.lt/VU:ELABAETD2159052&prefLang=en_US lit eng lit eng Institutional Repository of Vilnius University https://epublications.vu.lt/object/elaba:2159052/2159052.pdf https://repository.vu.lt/VU:ELABAETD2159052&prefLang=en_US info:eu-repo/semantics/openAccess info:eu-repo/semantics/masterThesis 2009 ftvilniusuniv 2021-12-16T00:10:18Z In the Dusia Lake in 2008 ichtiology studies caught 6 species of fish: perch, ruff, smelt, pike, roach and bleak simple. Fish species composition of the nucleus remains the same - ruff and perch. However, a significant change in the relative biomass of those species - ruff decreased 1.7 times and now represents 27.6%, and the perch has increased 1.8 times and is 45.3%. In the case of the different groups ever ruff diet, it was found that Gammaridae and Chironomidae family of representatives of all the basic food groups ever. In the case of the different groups ever perch diet was found that the Gammaridae and Chironomidae family is represented by 1 + - 5 + forever the main food groups, while Pisces is older than 5 + eternal group of the main food. Perch nutrition ruff was not detected. Master Thesis Gymnocephalus cernuus Ruff Vilnius University Virtual Library (VU VL) |
institution |
Open Polar |
collection |
Vilnius University Virtual Library (VU VL) |
op_collection_id |
ftvilniusuniv |
language |
Lithuanian English |
description |
In the Dusia Lake in 2008 ichtiology studies caught 6 species of fish: perch, ruff, smelt, pike, roach and bleak simple. Fish species composition of the nucleus remains the same - ruff and perch. However, a significant change in the relative biomass of those species - ruff decreased 1.7 times and now represents 27.6%, and the perch has increased 1.8 times and is 45.3%. In the case of the different groups ever ruff diet, it was found that Gammaridae and Chironomidae family of representatives of all the basic food groups ever. In the case of the different groups ever perch diet was found that the Gammaridae and Chironomidae family is represented by 1 + - 5 + forever the main food groups, while Pisces is older than 5 + eternal group of the main food. Perch nutrition ruff was not detected. |
author2 |
Bukelskis, Egidijus |
format |
Master Thesis |
author |
Pilinkovskij, Andrej |
spellingShingle |
Pilinkovskij, Andrej Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
author_facet |
Pilinkovskij, Andrej |
author_sort |
Pilinkovskij, Andrej |
title |
Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
title_short |
Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
title_full |
Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
title_fullStr |
Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
title_full_unstemmed |
Pūgžlių (Gymnocephalus cernuus) ir ešerių (Perca fluviatilis) mityba Dusios ežere |
title_sort |
pūgžlių (gymnocephalus cernuus) ir ešerių (perca fluviatilis) mityba dusios ežere |
publisher |
Institutional Repository of Vilnius University |
publishDate |
2009 |
url |
https://repository.vu.lt/VU:ELABAETD2159052&prefLang=en_US |
genre |
Gymnocephalus cernuus Ruff |
genre_facet |
Gymnocephalus cernuus Ruff |
op_relation |
https://epublications.vu.lt/object/elaba:2159052/2159052.pdf https://repository.vu.lt/VU:ELABAETD2159052&prefLang=en_US |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1766243556613160960 |