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	Top-down control of herbivores varies with ecosystem types
	Zhang Y. J. ; Adams J.
	2011
关键词	herbivory natural enemy plant-herbivore interactions predators scale system type temperature top-down control tree species composition extrafloral nectaries vegetational diversity enemies hypothesis plant diversity woody flora forest abundance ants metaanalysis
英文摘要	1. Bjorkman et al. comment on Adams and Zhang's finding of more leaf herbivory with increasing latitude, pointing out that top-down control by predators on insect herbivores might cause less herbivory in warmer regions. 2. Stronger top-down control with more plant diversity has been found mostly in systems that are less diverse overall, such as agricultural fields and grassland. Studies have also concentrated on small spatial scales. Whether top-down control is relatively more important at large spatial scales in the most highly diverse tropical or warm temperate forests is still in doubt. 3. Synthesis. The importance of top-down predator control of herbivores may vary with the system studied. Future work to understand the controls of herbivores needs to precisely monitor and compare the dynamics of individual herbivore species and their predators at a large spatial scale.
出处	Journal of Ecology
卷	99
期	2
页	370-372
收录类别	SCI
语种	英语
ISSN号	0022-0477
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/22331]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Zhang Y. J.,Adams J.. Top-down control of herbivores varies with ecosystem types. 2011.

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