Muricid Rapana venosa (Valenciennes, 1846) in the Black Sea

被引：0
|
作者：
Kosyan, Alisa [1 ]
机构：
[1] Severtsov Inst Ecol & Evolut, Moscow 119071, Russia
来源：
MEDCOAST 09: NINTH INTERNATIONAL CONFERENCE ON THE MEDITERRANEAN COASTAL ENVIRONMENT, VOLS 1 AND 2 | 2009年
关键词：
GASTROPOD;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Population structure and morphological variability as well as consumption rates and prey preferences of the muricid whelk Rapana venosa in the Black sea studied. The largest rapana specimens are found in the localities with enough food available. Rapana in the rest of the samples have lack of food and sizes several times smaller. The age structure of populations is characterized by lack of juvenile specimens. Results showed an average consumption of about 1 bivalve prey per day (or 0,789 g wet weight per day). Predation was species and size selective towards large specimens of Mytilus galloprovincialis.
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页码：305 / 315
页数：11
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