Subtitle:

Distribution of fish in river

Contributor:

Polska Akademia Nauk. Instytut Ekologii

Publisher:

Polish Scientific Publishers

Place of publishing:

Warszawa

Description:

Pages 107-119 : illustrations ; 24 cm ; Bibliographical references (pages 118-119) ; Abstract in Polish

Type of object:

Journal/Article

Abstract:

In the meandering river of the barbel region, in the cross-section of river-bed, 3 zones can be distinguished: 1. concave bank – current, 2. convex bank, 3. the middle of the bed between those two with sandy beaches and islands, and the longitudinal section is the transition current zone. Part of the river-bed with repeated in a sequence four zones is differentiated not only from the hydrographical point of view, but also from the biological. The most abundant in ichthyofauna is the current zone (concave bank), then the zone at convex bank, whereas the other zones are exceptionally poor in ichthyofauna although it cannot be said that they are not productive. The dying out of species considered as indicatory for the barbel region is observed as a result of increasing pollution. The zones colonized by them remain unproductive or can be occupied by small roach.

References:

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Relation:

Ekologia Polska

Volume:

22

Issue:

1

Start page:

107

End page:

119

Detailed Resource Type:

Article

Format:

application/pdf

Resource Identifier:

oai:rcin.org.pl:73382

Source:

MiIZ PAN, call no. P.2840 ; click here to follow the link

Language:

eng

Language of abstract:

pol

Rights:

Creative Commons Attribution BY 3.0 PL license

Terms of use:

Copyright-protected material. [CC BY 3.0 PL] May be used within the scope specified in Creative Commons Attribution BY 3.0 PL license, full text available at: ; -

Digitizing institution:

Museum and Institute of Zoology of the Polish Academy of Sciences

Original in:

Library of the Museum and Institute of Zoology of the Polish Academy of Sciences

Projects co-financed by:

Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.

Access:

Open