<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In autumn 2015 the fish fauna of river watersheds from six sites of community interest (SCI) Natura 2000 were investigated as follows: river Mureș (two SCIs) and Someș River in four SCIs from Someșul Mic, Someșul Mare and Someș. The researches were focused on the fish species of community interest (Annex II of Habitats Directive), its position in the ichthyocoenose (fish species richness, abundance and ecological parameters) and anthropogenic pressure. In investigated SCIs rivers researchers found 27 fish species including 11 species of community interest. IBI index shows moderate to good, or excellent levels of the evaluation integrity degree in fish fauna ecosystems.</p></abstract>

In autumn 2015 the fish fauna of river watersheds from six sites of community interest (SCI) Natura 2000 were investigated as follows: river Mureș (two SCIs) and Someș River in four SCIs from Someșul Mic, Someșul Mare and Someș. The researches were focused on the fish species of community interest (Annex II of Habitats Directive), its position in the ichthyocoenose (fish species richness, abundance and ecological parameters) and anthropogenic pressure. In investigated SCIs rivers researchers found 27 fish species including 11 species of community interest. IBI index shows moderate to good, or excellent levels of the evaluation integrity degree in fish fauna ecosystems.

Fish Fauna Status of the Natura 2000 Sites Proposed as New or for Extension in the Rivers Someș and Mureș (Romania)

Danube Delta National Institute for Research and Development

Transylvanian Review of Systematical and Ecological Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In autumn 2015 the fish fauna of river watersheds from six sites of community interest (SCI) Natura 2000 were investigated as follows: river Mureș (two SCIs)...

Fish Fauna Status of the Natura 2000 Sites Proposed as New or for Extension in the Rivers Someș and Mureș (Romania)

Published Online: Aug 22, 2017

Page range: 57 - 74

DOI: https://doi.org/10.1515/trser-2017-0021

Keywords
fish ecological parameters, fish community interest, anthropogenic impact, Mureș and Someș rivers SCIs

© 2017 Aurel Năstase et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fish Fauna Status of the Natura 2000 Sites Proposed as New or for Extension in the Rivers Someș and Mureș (Romania)

Published Online: Aug 22, 2017

Page range: 57 - 74

DOI: https://doi.org/10.1515/trser-2017-0021

Keywordsfish ecological parameters, fish community interest, anthropogenic impact, Mureș and Someș rivers SCIs

© 2017 Aurel Năstase et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
fish ecological parameters, fish community interest, anthropogenic impact, Mureș and Someș rivers SCIs