Effect of digestion on the δ13C and δ15N of fish-gut contents

被引：18

作者：

Guelinckx, J. ^{[1
]}

Dehairs, F. ^{[2
]}

Ollevier, F. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Aquat Ecol Lab, B-3000 Louvain, Belgium

[2] Vrije Univ Brussels, Dept Analyt Chem, B-1050 Brussels, Belgium

来源：

JOURNAL OF FISH BIOLOGY | 2008年 / 72卷 / 01期

关键词：

assimilation; carbon and nitrogen stable isotopes; Pomatoschistus minutus; stomach content analysis; trophic enrichment;

D O I：

10.1111/j.1095-8649.2007.01692.x

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Gut contents of sand goby Pomatoschistus minutus showed higher C and N isotope values than the food before consumption. This enrichment was more pronounced in the hindgut than in the foregut, probably because of preferential assimilation of C-12 and N-14 along the gastro-intestinal tract. The results indicated that the shift towards higher values in the alimentary canal occurs in the first 2 h after feeding. (C) 2008 The Authors Journal compilation (C) 2008 The Fisheries Society of the British Isles.

引用

页码：301 / 309

页数：9

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