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Pelagic-benthic resource polymorphism inSchizopygopsis thermalisHerzenstein 1891 (Pisces, Cyprinidae) in a headwater lake in the Salween River system on the Tibetan Plateau

文献类型：期刊论文

作者Qiao, Jialing2,3; Hu, Jiaxin1; Xia, Qin2,3; Zhu, Ren1; Chen, Kang1; Zhao, Jie1; Yan, Yunzhi2,3; Chu, Ling2,3; He, Dekui1
刊名ECOLOGY AND EVOLUTION
出版日期2020-07-08
页码14
关键词diets growth morphological differentiation resource polymorphism Schizopygopsis thermalis Tibetan lake
ISSN号2045-7758
DOI10.1002/ece3.6470
通讯作者Chu, Ling(chuling7776@126.com) ; He, Dekui(hedekui@ihb.ac.cn)
英文摘要Resource polymorphism is a ubiquitous phenomenon in vertebrates and may represent a critical intermediate stage in speciation. Freshwater lakes in high-altitude areas represent a natural system for understanding resource polymorphism in fishes benefiting from diverse lacustrine environments and species-poor fish assemblages. We report resource polymorphism in a cyprinid fish,Schizopygopsis thermalis, in Lake Amdo Tsonak Co, a headwater lake in the upper Salween River system. Two discrete intraspecific morphs, planktivorous and benthivorous, were identified according to geometric morphometrics and traditional univariate linear measures. The planktivorous morph exhibits a longer head, longer upper and lower jaw, larger asymptotic standard length (L-infinity), lower growth rate (k), and higher growth performance index (phi) than the benthivorous morph. With respect to descriptive traits, the planktivorous morph possesses a large, terminal mouth and obvious mucus pores on the cheek and chin, while the benthivorous morph is characterized by a more inferior mouth with a sharpen horny edge on the lower jaw and unconspicuous mucus pores. The discrete pelagic-benthic resources and low interspecific competition in the lake system might drive the initial differentiation of the two morphs, and partial spatial reproductive isolation in breeding further maintains and reinforces the differences between them.
WOS关键词CHARR SALVELINUS-ALPINUS ; SCHIZOTHORACINE FISHES ; ECOLOGICAL SPECIATION ; TROPHIC POLYMORPHISM ; ADAPTIVE RADIATIONS ; ENERGY ALLOCATION ; DIVERGENCE ; GROWTH ; MORPHOTYPES ; ADAPTATIONS
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB31040101] ; Second Tibetan Plateau Scientific Expedition Program[2019QZKK05010102] ; National Natural Science Foundation of China[31572248]
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology
语种英语
WOS记录号WOS:000547989500001
出版者WILEY
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; Second Tibetan Plateau Scientific Expedition Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.ihb.ac.cn/handle/342005/38457]  
专题水生生物研究所_水生生物多样性与资源保护研究中心_期刊论文
通讯作者Chu, Ling; He, Dekui
作者单位1.Chinese Acad Sci, Inst Hydrobiol, Donghu Nanlu 7, Wuhan 430072, Peoples R China
2.Anhui Normal Univ, Coll Life Sci, Wuhu 241000, Peoples R China
3.Anhui Normal Univ, Prov Key Lab Biot Environm & Ecol Safety Anhui, Wuhu 241000, Peoples R China
推荐引用方式
GB/T 7714		 Qiao, Jialing,Hu, Jiaxin,Xia, Qin,et al. Pelagic-benthic resource polymorphism inSchizopygopsis thermalisHerzenstein 1891 (Pisces, Cyprinidae) in a headwater lake in the Salween River system on the Tibetan Plateau[J]. ECOLOGY AND EVOLUTION,2020:14.
APA Qiao, Jialing.,Hu, Jiaxin.,Xia, Qin.,Zhu, Ren.,Chen, Kang.,...&He, Dekui.(2020).Pelagic-benthic resource polymorphism inSchizopygopsis thermalisHerzenstein 1891 (Pisces, Cyprinidae) in a headwater lake in the Salween River system on the Tibetan Plateau.ECOLOGY AND EVOLUTION,14.
MLA Qiao, Jialing,et al."Pelagic-benthic resource polymorphism inSchizopygopsis thermalisHerzenstein 1891 (Pisces, Cyprinidae) in a headwater lake in the Salween River system on the Tibetan Plateau".ECOLOGY AND EVOLUTION (2020):14.

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来源：水生生物研究所

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