Fish distribution and ecological state of the Siesartis River, Lithuania
The article presents investigation data on the ecological state of the Siesartis River and the diversity, distribution, community structure of fish therein. During the study period, 23 fish species belonging to nine fish families were caught. Nine of these species are protected. River lamprey Lampet...
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ftlitinstagrecon:oai:elaba:5916596 2023-05-15T18:09:57+02:00 Fish distribution and ecological state of the Siesartis River, Lithuania Žuvų paplitimas ir ekologinė būklė Siesarties upėje, Lietuva Čivas, Laurynas Kesminas, Vytautas 2011 http://lmavb.lvb.lt/LMAVB:ELABAPDB5916596&prefLang=en_US lit eng lit eng info:eu-repo/semantics/altIdentifier/doi/10.2478/v10043-011-0018-y http://lmavb.lvb.lt/LMAVB:ELABAPDB5916596&prefLang=en_US Acta zoologica Lituanica, 2011, Vol. 21, nr. 2, p. 153-162 ISSN 1392-1657 Fish distribution Abundance Habitat Fish community Lithuanian Fish Index info:eu-repo/semantics/article 2011 ftlitinstagrecon https://doi.org/10.2478/v10043-011-0018-y 2021-12-02T01:02:22Z The article presents investigation data on the ecological state of the Siesartis River and the diversity, distribution, community structure of fish therein. During the study period, 23 fish species belonging to nine fish families were caught. Nine of these species are protected. River lamprey Lampetra fluviatilis (L.), brook lamprey Lampetra planeri (Bloch.), salmon Salmo salar (L.) are protected under the EU Habitats Directive and the Bern Convention, grayling Thymallus thymallus (L.), vimba Vimba vimba (L.) and riffle minnow Alburnoides bipunctatus (Bloch.) are under the protection of the Bern Convention; bitterling Rhodeus sericeus amarus (Bloch.) and spined loach Cobitis taenia (L.) are protected under the Bern Convention; the bullhead Cottus gobio (L.) is protected under the EU Habitats Directive. Salmon (20.3%), riffle minnow (20.1%), minnow (17.2%) and brown trout (12.2%) dominated the Siesartis River fish community in abundance. Protected species accounted for 48.5% of the fish community abundance. In biomass, the fish community of the Siesartis River was dominated by brown trout (20.8%), sea trout (18.8%) and salmon (15.3%). The mean fish density was 34.3 ind/100 m2 and the mean biomass 731.2 g/100 m2. Correlations between some environmental factors and indices of fish communities were established. Fish communities were mainly impacted by the river depth, flow velocity, bottom substrate structure and the vegetation coverage rate. Judging by species diversity indices, fish abundance, density, biomass and the Lithuanian Fish Index, the ecological state of the community is very good. Article in Journal/Newspaper Salmo salar LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library) Acta Zoologica Lituanica 21 2 153 162 |
institution |
Open Polar |
collection |
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library) |
op_collection_id |
ftlitinstagrecon |
language |
Lithuanian English |
topic |
Fish distribution Abundance Habitat Fish community Lithuanian Fish Index |
spellingShingle |
Fish distribution Abundance Habitat Fish community Lithuanian Fish Index Čivas, Laurynas Kesminas, Vytautas Fish distribution and ecological state of the Siesartis River, Lithuania |
topic_facet |
Fish distribution Abundance Habitat Fish community Lithuanian Fish Index |
description |
The article presents investigation data on the ecological state of the Siesartis River and the diversity, distribution, community structure of fish therein. During the study period, 23 fish species belonging to nine fish families were caught. Nine of these species are protected. River lamprey Lampetra fluviatilis (L.), brook lamprey Lampetra planeri (Bloch.), salmon Salmo salar (L.) are protected under the EU Habitats Directive and the Bern Convention, grayling Thymallus thymallus (L.), vimba Vimba vimba (L.) and riffle minnow Alburnoides bipunctatus (Bloch.) are under the protection of the Bern Convention; bitterling Rhodeus sericeus amarus (Bloch.) and spined loach Cobitis taenia (L.) are protected under the Bern Convention; the bullhead Cottus gobio (L.) is protected under the EU Habitats Directive. Salmon (20.3%), riffle minnow (20.1%), minnow (17.2%) and brown trout (12.2%) dominated the Siesartis River fish community in abundance. Protected species accounted for 48.5% of the fish community abundance. In biomass, the fish community of the Siesartis River was dominated by brown trout (20.8%), sea trout (18.8%) and salmon (15.3%). The mean fish density was 34.3 ind/100 m2 and the mean biomass 731.2 g/100 m2. Correlations between some environmental factors and indices of fish communities were established. Fish communities were mainly impacted by the river depth, flow velocity, bottom substrate structure and the vegetation coverage rate. Judging by species diversity indices, fish abundance, density, biomass and the Lithuanian Fish Index, the ecological state of the community is very good. |
format |
Article in Journal/Newspaper |
author |
Čivas, Laurynas Kesminas, Vytautas |
author_facet |
Čivas, Laurynas Kesminas, Vytautas |
author_sort |
Čivas, Laurynas |
title |
Fish distribution and ecological state of the Siesartis River, Lithuania |
title_short |
Fish distribution and ecological state of the Siesartis River, Lithuania |
title_full |
Fish distribution and ecological state of the Siesartis River, Lithuania |
title_fullStr |
Fish distribution and ecological state of the Siesartis River, Lithuania |
title_full_unstemmed |
Fish distribution and ecological state of the Siesartis River, Lithuania |
title_sort |
fish distribution and ecological state of the siesartis river, lithuania |
publishDate |
2011 |
url |
http://lmavb.lvb.lt/LMAVB:ELABAPDB5916596&prefLang=en_US |
genre |
Salmo salar |
genre_facet |
Salmo salar |
op_source |
Acta zoologica Lituanica, 2011, Vol. 21, nr. 2, p. 153-162 ISSN 1392-1657 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.2478/v10043-011-0018-y http://lmavb.lvb.lt/LMAVB:ELABAPDB5916596&prefLang=en_US |
op_doi |
https://doi.org/10.2478/v10043-011-0018-y |
container_title |
Acta Zoologica Lituanica |
container_volume |
21 |
container_issue |
2 |
container_start_page |
153 |
op_container_end_page |
162 |
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1766182662447300608 |