NITROGEN ISOTOPIC COMPOSITION OF MARINE AND FRESH-WATER INVERTEBRATES

被引：52

作者：

FRANCE, RL

机构：

来源：

MARINE ECOLOGY PROGRESS SERIES | 1994年 / 115卷 / 1-2期

关键词：

DELTA-N-15; FRESH-WATER AND MARINE INVERTEBRATES; SOURCE ENRICHMENT;

D O I：

10.3354/meps115205

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Stable nitrogen isotopes have customarily been used to delineate trophic position with only scant regard to source variability in isotopic composition. A compilation of Literature data indicates, however, that marine invertebrates are enriched in N-15 relative to those inhabiting freshwaters. Estuarine mussels were also found to have intermediate delta(15)N values which reflected their location along a freshwater-marine gradient. The use of invertebrate delta(15)N as a measure of continental-marine coupling in complex coastal environments could therefore provide additional support for conclusions based on traditional delta(13)C analysis.

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页码：205 / 207

页数：3

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