Determination of Food Sources of Marine Invertebrates from a Subtidal Sand Community Using Analyses of Fatty Acids and Stable Isotopes

V. I. Kharlamenko; S. I. Kiyashko; S. A. Rodkina; A. B. Imbs

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Determination of Food Sources of Marine Invertebrates from a Subtidal Sand Community Using Analyses of Fatty Acids and Stable Isotopes

机译：利用脂肪酸和稳定同位素分析确定潮下沙群落海洋无脊椎动物的食物来源

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摘要

The fatty acid compositions and stable isotope ratios of carbon, nitrogen, and sulfur were analyzed in the bivalve mollusks Mactra chinensis, Pandora pulchella, Felaniella usta. And Megangulus zyonoensis, the polychaete Chaetopterus cautus, and the main sources of organic matter in a subtidal sand bottom community in Vostok Bay (Sea of Japan). The fatty acid composition and stable isotope ratios of some bivalves is likely to be indicative of substantial inputs from benthic microalgae and an important role of microbial food chains. Only the filter-feeding polychaete C. cautus showed similarity in these characteristics to suspended particulate organic matter synthesized by phytoplankton. It is suggested that the contribution of benthic microalgae to the diet of a consumer organism, inferred solely from the carbon stable isotope analysis, can be significantly overestimated.

机译：分析了双壳软体动物Mactra chinensis，Pandora pulchella，Felaniella usta中的脂肪酸组成，碳，氮和硫的稳定同位素比。还有日本东海（Vostok湾）潮下带沙底群落中的Megangulus zyonoensis，多毛Chaetopterus cautus和主要有机物来源。一些双壳类动物的脂肪酸组成和稳定的同位素比很可能表明底栖微藻的大量投入和微生物食物链的重要作用。仅滤食的多毛褐皮梭菌在这些特征上与浮游植物合成的悬浮颗粒有机物表现出相似性。有人认为，仅根据碳稳定同位素分析推断，底栖微藻对食用生物饮食的贡献可能被高估了。

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来源
《Russian journal of marine biology》 |2008年第2期|101-109|共9页
作者
V. I. Kharlamenko; S. I. Kiyashko; S. A. Rodkina; A. B. Imbs;
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作者单位

Institute of Marine Biology, Far East Division, Russian Academy of Sciences, Vladivostok, 690041 Russia;

Institute of Marine Biology, Far East Division, Russian Academy of Sciences, Vladivostok, 690041 Russia;

Institute of Marine Biology, Far East Division, Russian Academy of Sciences, Vladivostok, 690041 Russia;

Institute of Marine Biology, Far East Division, Russian Academy of Sciences, Vladivostok, 690041 Russia;

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正文语种 eng
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关键词
subtidal sand bottom community; mollusks; polychaetes. Fatty acids; stable isotopes; microphyto- benthos; feeding;

机译：潮下沙底群落;软体动物多毛羚羊。脂肪酸;稳定同位素微型底栖动物;馈送;

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Determination of Food Sources of Marine Invertebrates from a Subtidal Sand Community Using Analyses of Fatty Acids and Stable Isotopes

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