Relationship between the yield of bream, Abramis brama L., chlorophyll‐a concentration and shore‐length: water area ratio in Lake Balaton, Hungary

P. BIRÓ, L. VÖRÖS

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Abstract

Abstract. The strong relationship found between the yield of bream, Abramis brama L., the average chlorophyll‐a concentration of the water and the shore‐line:water area ratio of the various parts of Lake Balaton can be described mathematically. Such a descriptive model seems to be suitable for the estimation and rough prediction of the bream yield. The regional differences between the bream yields within the lake are caused to a large extent by morphometric features, and to a lesser extent by the cholorophyll‐a concentration. A 10‐fold increase in the chlorophyll‐a content results only in a twofold increase in bream yield expressed in catch per unit of effort (CPUE); however, the shore‐line:water area ratio has a much stronger effect.

Original languageEnglish
Pages (from-to)53-61
Number of pages9
JournalAquaculture Research
Volume19
Issue number1
DOIs
Publication statusPublished - Jan 1988

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ASJC Scopus subject areas

  • Aquatic Science

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