Age and growth-rate of grayling Thymallus thymallus (L.) in the rivers of Pomerania (NW Poland)
The studies were carried out on the material of 308 individuals from 18 upland river of moraine character, in north-western Poland. The growth rate, growth intensity, condition factor and the dependence between body weight and total length were estimated. It has been found that the graylings from no...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Pensoft Publishers
1989-12-01
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Series: | Acta Ichthyologica et Piscatoria |
Online Access: | https://aiep.pensoft.net/article/25161/download/pdf/ |