Arid
DOI10.1080/10256010108033294
Food web implications of delta C-13 and delta N-15 variability over 370 km of the regulated Colorado River USA
Shannon, JP; Blinn, DW; Haden, GA; Benenati, EP; Wilson, KP
通讯作者Shannon, JP
来源期刊ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES
ISSN1025-6016
出版年2001
卷号37期号:3页码:179-191
英文摘要

Dual stable isotope analysis in the regulated Colorado River through Grand Canyon National Park, USA, revealed a food web that varied spatially through this and biome. Down-river enrichment of PC data was detected across three trophic levels resulting in Shifted food webs. Humpack chub delta(13)C and delta(15)N values from muscle plugs and fin clips did not differ significantly. Humpback chub and rainbow trout trophic position is positively correlated with standard length indicating an increase in piscivory by larger fishes, Recovery of the aquatic community from impoundment by Glen Canyon Dam and collecting refinements for stable isotope analysis within large rivers are discussed.


英文关键词Cladophora drift Glen Canyon Dam macroinvertebrates native fish Aridbiome river stable isotopes
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000174493200001
WOS关键词STABLE-ISOTOPE ANALYSIS ; DESERT RIVER ; GRAND-CANYON ; CARBON ; ARIZONA ; DESICCATION ; ECOLOGY
WOS类目Chemistry, Inorganic & Nuclear ; Environmental Sciences
WOS研究方向Chemistry ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/140990
作者单位(1)No Arizona Univ, Dept Sci Biol, Flagstaff, AZ 86011 USA
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GB/T 7714
Shannon, JP,Blinn, DW,Haden, GA,et al. Food web implications of delta C-13 and delta N-15 variability over 370 km of the regulated Colorado River USA[J],2001,37(3):179-191.
APA Shannon, JP,Blinn, DW,Haden, GA,Benenati, EP,&Wilson, KP.(2001).Food web implications of delta C-13 and delta N-15 variability over 370 km of the regulated Colorado River USA.ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES,37(3),179-191.
MLA Shannon, JP,et al."Food web implications of delta C-13 and delta N-15 variability over 370 km of the regulated Colorado River USA".ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 37.3(2001):179-191.
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