Progressively excluding mammals of different body size affects community and trait structure of ground beetles

doi:10.1111/oik.05198

IMR OpenIR

	Progressively excluding mammals of different body size affects community and trait structure of ground beetles
	Wang, Xiaowei 1; Steiner, Magdalena 2,3; Schuetz, Martin 2; Vandegehuchte, Martijn L.2,4; Risch, Anita C.2
通讯作者	Risch, Anita C.(anita.risch@wsl.ch)
	2018-10-01
发表期刊	OIKOS
ISSN	0030-1299
卷号	127 期号:10 页码:1515-1525
摘要	Mammalian grazing induces changes in vegetation properties in grasslands, which can affect a wide variety of other animals including many arthropods. However, the impacts may depend on the type and body size of these mammals. Furthermore, how mammals influence functional trait syndromes of arthropod communities is not well known. We progressively excluded large (e.g. red deer, chamois), medium (e.g. alpine marmot, mountain hare), and small (e.g. mice) mammals using size-selective fences in two vegetation types (short- and tall-grass vegetation) of subalpine grasslands. We then assessed how these exclusions affected the community composition and functional traits of ground beetles (Coleoptera, Carabidae), and which vegetation characteristic mediated the observed effects. Total carabid biomass, the activity densities of carabids with specific traits (i.e. small eyes, short wings), the richness of small-eyed species and the richness of herbivorous species were significantly higher when certain mammals were excluded compared to when all mammals had access, regardless of vegetation type. Excluding large and medium mammals increased the activity density of herbivorous carabid species, but only in short-grass vegetation. Similarly, excluding large mammals (ungulates) altered carabid species composition in the short-, but not in the tall-grass vegetation. All these responses were related to aboveground plant biomass, but not to plant Shannon diversity or vegetation structural heterogeneity. Our results indicate that changes in aboveground plant biomass are key drivers of mammalian grazers' influence on carabids, suggesting that bottom-up forces are important in subalpine grassland systems. The exclusion of ungulates provoked the strongest carabid response. Our results, however, also highlight the ecological significance of smaller herbivorous mammals. Our study furthermore shows that mammalian grazing not only altered carabid community composition, but also caused community-wide functional trait shifts, which could potentially have a wider impact on species interactions and ecosystem functioning.
关键词	biodiversity vertebrate arthropod
资助者	Swiss National Science Foundation, SNF ; National Natural Science Foundation of China (NSFC)
DOI	10.1111/oik.05198
收录类别	SCI
语种	英语
资助项目	Swiss National Science Foundation, SNF[31003A_122009/1] ; Swiss National Science Foundation, SNF[31003A_140939/1] ; National Natural Science Foundation of China (NSFC)[41401231]
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Ecology
WOS记录号	WOS:000446267600011
出版者	WILEY
引用统计	被引频次：7[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/129987
专题	中国科学院金属研究所
通讯作者	Risch, Anita C.
作者单位	1.Chinese Acad Sci, Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Shenyang, Liaoning, Peoples R China 2.Swiss Fed Inst Forest Snow & Landscape Res WSL, Zuercherstr 111, CH-8903 Birmensdorf, Switzerland 3.Univ Fribourg, Dept Biol, Fribourg, Switzerland 4.Univ Ghent, Dept Biol, Ghent, Belgium
推荐引用方式 GB/T 7714	Wang, Xiaowei,Steiner, Magdalena,Schuetz, Martin,et al. Progressively excluding mammals of different body size affects community and trait structure of ground beetles[J]. OIKOS,2018,127(10):1515-1525.
APA	Wang, Xiaowei,Steiner, Magdalena,Schuetz, Martin,Vandegehuchte, Martijn L.,&Risch, Anita C..(2018).Progressively excluding mammals of different body size affects community and trait structure of ground beetles.OIKOS,127(10),1515-1525.
MLA	Wang, Xiaowei,et al."Progressively excluding mammals of different body size affects community and trait structure of ground beetles".OIKOS 127.10(2018):1515-1525.