Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural
sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS
Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing
UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.
1998
Volume 1
Issue 1
Volume 1
Issue 1
Topic:
Fisheries
ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Copyright © Wydawnictwo Uniwersytetu Przyrodniczego we Wrocławiu, ISSN 1505-0297
Szypuła J. 1998. AGE AND GROWTH RATE OF PIKEPERCH IN THE POMERANIAN BAY IN 1998., EJPAU 1(1), #04.
Available Online: http://www.ejpau.media.pl/volume1/issue1/fisheries/abs-04.html
Available Online: http://www.ejpau.media.pl/volume1/issue1/fisheries/abs-04.html
AGE AND GROWTH RATE OF PIKEPERCH IN THE POMERANIAN BAY IN 1998.
Jerzy Szypuła
ABSTRACT
A total of 150 pikeperch individuals caught in 1998 in the Pomeranian Bay were examined. The fish were picked out from 4 samples: 3 were obtained in March and 1 in April 1998. The standard methods of length and weight growth rate determination were used. When determining fish age, the verge coefficient was factored in (if Kr > 0.50, 1 was added to the scale annual ring count).
Key words: pikeperch, growth rate, mathematical growth models, condition coefficient.