REGRESSION ANALYSIS OF THE LENGTH-WEIGHT RELATIONSHIPS FOR 17 COMMON EUROPEAN FISH IN RIVERS IN THE CZECH REPUBLIC

被引：1

作者：

Holubova, Katerina ^{[1
]}

Musilova, Zuzana ^{[2
]}

Horka, Petra ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Sci, Inst Environm Studies, Benatska 2, Prague 12801 2, Czech Republic

[2] Charles Univ Prague, Fac Sci, Dept Zool, Vinicna 7, Prague 12844 2, Czech Republic

来源：

EUROPEAN JOURNAL OF ENVIRONMENTAL SCIENCES | 2022年 / 12卷 / 02期

关键词：

European fish; freshwater fish; length -weight relations; LWR; riverine environment; GROWTH; AGE;

D O I：

10.14712/23361964.2022.11

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Length-weight relationships (LWRs) are useful for calculating weight based on measurements of length. Here we provide LWRs for 17 species of fish from the rivers Vltava and Elbe in the Czech Republic, Central Europe. The samples were collected by electrofishing from May 2016 to August 2019. There are far fewer LWRs for riverine than lotic fish. All LWRs were significant with r2 values ranging from 0.99 for the European barbel (Barbus barbus) to 0.95 for European bullhead (Cottus gobio) and with estimated b values ranging from 2.93 in common dace (Leuciscus leuciscus) to 3.26 in non-native round goby (Neogobius melanostomus). These results increase the data on LWRs for fish in riverine environments and provides a good tool for managing fisheries and future studies.

引用

页码：90 / 92

页数：3

共 24 条

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