Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology
Stable carbon and nitrogen isotopes were measured to analyze trophic level of main waterbirds in Qinghai Lake in May−June, 2008, based on the model of isotopic enrichment and the fractionation factor. Our results indicated that δ15N was significantly enriched in the muscle of waterbirds, but δ13C sh...
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Kunming Institute of Zoology, Chinese Academy of Sciences
2010
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ftunivtoronto:oai:localhost:1807/64340 2023-05-15T18:27:24+02:00 Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology Yang, Yue-qin Yi, Xian-feng Li, Ning 2010-06-15 http://hdl.handle.net/1807/64340 http://www.bioline.org.br/abstract?id=zr09063 http://www.bioline.org.br/zr http://www.zoores.ac.cn/ cn chi Kunming Institute of Zoology, Chinese Academy of Sciences http://hdl.handle.net/1807/64340 http://www.bioline.org.br/abstract?id=zr09063 http://www.bioline.org.br/zr http://www.zoores.ac.cn/ Copyright 2009 Kunming Institute of Zoology, the Chinese Academy of Sciences Waterbird Trophic level G. przewalskii Stable isotope Qinghai Lake Article 2010 ftunivtoronto 2020-06-17T11:51:15Z Stable carbon and nitrogen isotopes were measured to analyze trophic level of main waterbirds in Qinghai Lake in May−June, 2008, based on the model of isotopic enrichment and the fractionation factor. Our results indicated that δ15N was significantly enriched in the muscle of waterbirds, but δ13C showed no obvious variation. We obtained a fractionation factor between Gymnocypris przewalskii and Phalacrocorax carbo , i.e., 1.78‰. Phytoplankton, zooplankton, Gammarus suifunensis , G. przewalskii and waterbirds were estimated at the trophic levels of 1.64−2.06, 2.35−2.83, 2.63, 3.64−4.20 and 3.35−4.93 respectively. P. carbo>, Larus ichthyaetus , Larus brunnicephalus and Podiceps cristatus occupied the highest trophic level due to their primary feeding on G. przewalskii. However, Tadorna ferruginea , Sterna hirundo , and Tringa totanus occupied the relatively high trophic levels. Anser indicus , mainly relying on plant materials as their food supply, was at the lowest trophic level. Our results predicted that the future resource situation of G. przewalskii would have great influence on the growth, reproduction and community structure of main waterbirds, especially for P. carbos, L. ichthyaetus, L. brunnicephalus and P. cristatus, consequently on the stability and diversity of the whole ecosystem. Article in Journal/Newspaper Sterna hirundo University of Toronto: Research Repository T-Space |
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Open Polar |
collection |
University of Toronto: Research Repository T-Space |
op_collection_id |
ftunivtoronto |
language |
Chinese |
topic |
Waterbird Trophic level G. przewalskii Stable isotope Qinghai Lake |
spellingShingle |
Waterbird Trophic level G. przewalskii Stable isotope Qinghai Lake Yang, Yue-qin Yi, Xian-feng Li, Ning Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
topic_facet |
Waterbird Trophic level G. przewalskii Stable isotope Qinghai Lake |
description |
Stable carbon and nitrogen isotopes were measured to analyze trophic level of main waterbirds in Qinghai Lake in May−June, 2008, based on the model of isotopic enrichment and the fractionation factor. Our results indicated that δ15N was significantly enriched in the muscle of waterbirds, but δ13C showed no obvious variation. We obtained a fractionation factor between Gymnocypris przewalskii and Phalacrocorax carbo , i.e., 1.78‰. Phytoplankton, zooplankton, Gammarus suifunensis , G. przewalskii and waterbirds were estimated at the trophic levels of 1.64−2.06, 2.35−2.83, 2.63, 3.64−4.20 and 3.35−4.93 respectively. P. carbo>, Larus ichthyaetus , Larus brunnicephalus and Podiceps cristatus occupied the highest trophic level due to their primary feeding on G. przewalskii. However, Tadorna ferruginea , Sterna hirundo , and Tringa totanus occupied the relatively high trophic levels. Anser indicus , mainly relying on plant materials as their food supply, was at the lowest trophic level. Our results predicted that the future resource situation of G. przewalskii would have great influence on the growth, reproduction and community structure of main waterbirds, especially for P. carbos, L. ichthyaetus, L. brunnicephalus and P. cristatus, consequently on the stability and diversity of the whole ecosystem. |
format |
Article in Journal/Newspaper |
author |
Yang, Yue-qin Yi, Xian-feng Li, Ning |
author_facet |
Yang, Yue-qin Yi, Xian-feng Li, Ning |
author_sort |
Yang, Yue-qin |
title |
Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
title_short |
Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
title_full |
Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
title_fullStr |
Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
title_full_unstemmed |
Analysis on Trophic Structure of Main Waterbirds in Qinghai Lake Based on Stable Isotopic Technology |
title_sort |
analysis on trophic structure of main waterbirds in qinghai lake based on stable isotopic technology |
publisher |
Kunming Institute of Zoology, Chinese Academy of Sciences |
publishDate |
2010 |
url |
http://hdl.handle.net/1807/64340 http://www.bioline.org.br/abstract?id=zr09063 http://www.bioline.org.br/zr http://www.zoores.ac.cn/ |
genre |
Sterna hirundo |
genre_facet |
Sterna hirundo |
op_relation |
http://hdl.handle.net/1807/64340 http://www.bioline.org.br/abstract?id=zr09063 http://www.bioline.org.br/zr http://www.zoores.ac.cn/ |
op_rights |
Copyright 2009 Kunming Institute of Zoology, the Chinese Academy of Sciences |
_version_ |
1766209486759919616 |