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Ectothermic omnivores increase herbivory in response to rising temperature

文献类型：期刊论文

作者Zhang, Peiyu1,2,3; van Leeuwen, Casper H. A.1; Bogers, Dagmar1; Poelma, Marjolein1; Xu, Jun2,3; Bakker, Elisabeth S.1
刊名OIKOS
出版日期2020-03-31
页码12
关键词climate change diet shift food selection poikilotherm pond snail temperature rise trophic interaction
ISSN号0030-1299
DOI10.1111/oik.07082
通讯作者Xu, Jun(xujun@ihb.ac.cn)
英文摘要Higher temperatures as a consequence of global climate change may considerably alter trophic interactions. Ectothermic herbivores and carnivores generally ingest more food with rising temperature as their metabolic rates increase with rising temperature. However, omnivorous ectotherms may respond in two ways: quantitatively by consuming more food and qualitatively by altering their degree of herbivory or carnivory through a diet shift. We hypothesize that rising temperature will increase herbivory of ectothermic omnivores as herbivory increases towards the equator. We tested the hypothesis in a freshwater model system in which ectothermic omnivores are prevalent, by applying two approaches, a temperature manipulation experiment and a literature study. We performed feeding trials with a juvenile aquatic ectothermic omnivore (pond snail Lymnaea stagnalis) at different temperatures ranging from 12 to 27 degrees C, supplying them with both animal food and plant material, and directly quantified their consumption rates over time. The results showed that snails cultured at high temperatures (> 21 degrees C) increased the proportion of plant material in their diets after 17 days, which supports our hypothesis. In the literature survey, we found that rising temperature increased herbivory in multiple aquatic animal taxa, including zooplankton, amphibians, crayfish, fish and snails. This suggests that aquatic ectothermic omnivores might commonly increase herbivory with rising temperature. The mechanisms underlying this temperature-induced diet shift are not sufficiently explained by current theories related to the physiology, metabolism and stoichiometry of omnivores. We propose to incorporate the animals' ontogenetic development in the temperature metabolic stoichiometry hypothesis as a complementary explanation for the diet shift, namely that the diet shift could be due to faster development of the ectotherms and an earlier ontogenetic diet shift at higher temperatures. We conclude that future global warming will most likely alter food webs by increasing the top-down control of aquatic herbivores and omnivores on primary producers.
WOS关键词CLIMATE-CHANGE ; SPECIES INTERACTIONS ; NUTRITIONAL ECOLOGY ; DIET SHIFTS ; FOOD ; WATER ; FISHES ; SIZE ; QUALITY ; GROWTH
资助项目National Key R&D Program of China[2018YFD0900904] ; International Cooperation Project of the Chinese Academy of Sciences[152342KYSB20190025] ; National Natural Science Foundations of China[31872687] ; Water Pollution Control and Management Project of China[2018ZX07208005] ; China Scholarship Council (CSC)[201404910508] ; China Postdoctoral Science Foundation[2019M652734]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000522509500001
出版者WILEY
资助机构National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; International Cooperation Project of the Chinese Academy of Sciences ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; National Natural Science Foundations of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; Water Pollution Control and Management Project of China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation
源URL[http://ir.ihb.ac.cn/handle/342005/35887]  
专题水生生物研究所_其他_期刊论文
通讯作者Xu, Jun
作者单位1.Netherlands Inst Ecol NIOO KNAW, Dept Aquat Ecol, Wageningen, Netherlands
2.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Peiyu,van Leeuwen, Casper H. A.,Bogers, Dagmar,et al. Ectothermic omnivores increase herbivory in response to rising temperature[J]. OIKOS,2020:12.
APA Zhang, Peiyu,van Leeuwen, Casper H. A.,Bogers, Dagmar,Poelma, Marjolein,Xu, Jun,&Bakker, Elisabeth S..(2020).Ectothermic omnivores increase herbivory in response to rising temperature.OIKOS,12.
MLA Zhang, Peiyu,et al."Ectothermic omnivores increase herbivory in response to rising temperature".OIKOS (2020):12.

入库方式： OAI收割

来源：水生生物研究所

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