ASPECTS OF GROWTH IN ARCTIC COD, BOREOGADUS-SAIDA (LEPECHIN 1773)

被引：16

作者：

JENSEN, T

UGLAND, KI

ANSTENSRUD, M

机构：

[1] Institute of Biology, University of Oslo, Oslo, N-0316

来源：

POLAR RESEARCH | 1991年 / 10卷 / 02期

关键词：

D O I：

10.1111/j.1751-8369.1991.tb00672.x

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

In June 1986, 42 young Arctic cod were caught in ice-covered waters of the Barents sea with dip-nets by scuba divers. From August to June 1987 the fish were kept at - 1-degrees-C and fed on frozen shrimp (Pandalus borealis). Length and weight were measured monthly. A fast weight increment of about 0.7% per day was observed in thc autumn (Sept.-Nov.). In the winter (Jan.-Feb.), the growth rate declined to 0.05% per day. However, daily food intake only decreased by 50% during these winter months. Since the fish were exposed to constant illumination in the aquarium, this growth experiment indicates that something else than light has a significant influence on growth in Arctic cod.

引用

页码：547 / 552

页数：6

共 16 条

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