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	食虫有袋类食性选择与猎物质量的相互关系; The Dietary Selections of Insectivorous Marsupials and Their Relations to Prey Quality
	陈小麟
	1999
关键词	食虫动物 食性选择 猎物质量 摄食对策 Insectivores Dietary selection Prey quality Foraging strategy
英文摘要	食虫有袋类是捕食多种昆虫的泛食性动物.同域的不同食虫有袋类同样选择鞘翅目、蜚蠊目、直翅目和膜翅目昆虫作为主要猎物但对同种昆虫猎物的捕食频率明显不同.食虫有袋类的食性具有季节转变现象.不同猎物昆虫质量之间的差异大多不显著但猎物昆虫的质量具有季节变化.食虫有袋类的食性选择与猎物质量、食性季节转变与猎物质量季节变化之间不存在显著相关关系.根据该结果以及最佳摄食理论，食性选择有可能受猎物可获得量或猎物体形大小的影响，值得今后进一步加以研究.; Insectivorous marsupials were generalists which consumed many different kinds of insects.Different sympatric insectivorous marsupials selected similarly Coleoptera, Blattodea, Orthoptera and Hymenoptera as their main prey, but their predatory frequencies on the same prey insect were significantly different.There were seasonal dietary shifts in the insectivorous marsupials.The differences among the most of the different prey qualities were not significant but there were seasonal variations in prey quality.The correlation between dietary selections and prey quality, and between seasonal dietary shifts and seasonal variations of prey quality was not significant.On the basis of these results and the optimal foraging theory, the dietary selections and seasonal dietary shifts of insectivorous marsupials should result from prey availability or prey size which thus is worth being further researched.
语种	zh_CN
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/119608]
专题	生命科学－已发表论文
推荐引用方式 GB/T 7714	陈小麟. 食虫有袋类食性选择与猎物质量的相互关系, The Dietary Selections of Insectivorous Marsupials and Their Relations to Prey Quality[J],1999.
APA	陈小麟.(1999).食虫有袋类食性选择与猎物质量的相互关系..
MLA	陈小麟."食虫有袋类食性选择与猎物质量的相互关系".(1999).

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