Icefish (Salangidae) as an indicator of anthropogenic pollution in freshwater systems using nitrogen isotope analysis

被引：17
|
作者：
Xu, Jun
Xie, Ping [1 ]
Zhang, Min
Zhou, Qiong
Zhang, Liang
Wen, Zhourui
Cao, T.
机构：
[1] Chinese Acad Sci, Inst Hydrobiol, State key Lab Freshwater Ecol & Biotechnol, Donhu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
[2] Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2007年 / 79卷 / 03期
关键词：
Icefish; delta N-15; Freshwater ecosystems; Anthropogenic contamination;
D O I：
10.1007/s00128-007-9198-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We investigated differences in delta N-15 of seston and icefishes from seven freshwater ecosystems with different trophic states in China. An increase of seston delta N-15 values was accompanied by an increase of total nitrogen and phosphorus concentrations. Significantly positive correlations were observed between delta N-15 of icefishes and delta N-15 of seston, total nitrogen and phosphorus concentrations. This study demonstrated that icefishes could be preferred indicators of anthropogenic contamination in test systems because they integrated waste inputs over long time periods and reflected the movement of waste through the pelagic food chain.
引用
收藏
页码：323 / 326
页数：4
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