globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13446
论文题名:
The unseen invaders: introduced earthworms as drivers of change in plant communities in North American forests (a meta-analysis)
作者: Craven D.; Thakur M.P.; Cameron E.K.; Frelich L.E.; Beauséjour R.; Blair R.B.; Blossey B.; Burtis J.; Choi A.; Dávalos A.; Fahey T.J.; Fisichelli N.A.; Gibson K.; Handa I.T.; Hopfensperger K.; Loss S.R.; Nuzzo V.; Maerz J.C.; Sackett T.; Scharenbroch B.C.; Smith S.M.; Vellend M.; Umek L.G.; Eisenhauer N.
刊名: Global Change Biology
出版年: 2017
卷: 23, 期:3
起始页码: 1065
结束页码: 1074
语种: 英语
英文关键词: biological invasions ; community composition ; earthworm invasion ; introduced earthworms ; meta-analysis ; plant communities ; plant diversity
Scopus关键词: biodiversity ; biological invasion ; community composition ; earthworm ; forest ecosystem ; meta-analysis ; plant community ; species diversity ; North America
英文摘要: Globally, biological invasions can have strong impacts on biodiversity as well as ecosystem functioning. While less conspicuous than introduced aboveground organisms, introduced belowground organisms may have similarly strong effects. Here, we synthesize for the first time the impacts of introduced earthworms on plant diversity and community composition in North American forests. We conducted a meta-analysis using a total of 645 observations to quantify mean effect sizes of associations between introduced earthworm communities and plant diversity, cover of plant functional groups, and cover of native and non-native plants. We found that plant diversity significantly declined with increasing richness of introduced earthworm ecological groups. While plant species richness or evenness did not change with earthworm invasion, our results indicate clear changes in plant community composition: cover of graminoids and non-native plant species significantly increased, and cover of native plant species (of all functional groups) tended to decrease, with increasing earthworm biomass. Overall, these findings support the hypothesis that introduced earthworms facilitate particular plant species adapted to the abiotic conditions of earthworm-invaded forests. Further, our study provides evidence that introduced earthworms are associated with declines in plant diversity in North American forests. Changing plant functional composition in these forests may have long-lasting effects on ecosystem functioning. © 2016 The Authors. Global Change Biology Published by John Wiley & Sons Ltd.
资助项目: Craven, D. ; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Germany ; 电子邮件: dylan.craven@aya.yale.edu
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61031
Appears in Collections:影响、适应和脆弱性

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作者单位: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, Germany; Institute of Biology, Leipzig University, Johannisallee 21, Leipzig, Germany; Metapopulation Research Centre, Department of Biosciences, University of Helsinki, PO Box 65, Helsinki, Finland; Center for Macroecology, Evolution and Climate Change, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, København, Denmark; Center for Forest Ecology, University of Minnesota, St. Paul, MN, United States; Département de Biologie, Université de Sherbrooke, Sherbrooke, QC, Canada; Department of Fisheries, Wildlife, and Conservation Biology, University Of Minnesota, 2003 Upper Buford Circle Suite 135, St. Paul, MN, United States; Department of Natural Resources, Cornell University, Ithaca, NY, United States; Faculty of Forestry, University of Toronto, Toronto, ON, Canada; Schoodic Institute at Acadia National Park, Forest Ecology Program, Winter Harbor, ME, United States; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN, United States; Département des sciences biologiques, Université du Québec à Montréal, Montréal, QC, Canada; Department of Biological Sciences, Northern Kentucky University, Highland Heights, KY, United States; Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK, United States; Natural Area Consultants, 1 West Hill School Road, Richford, NY, United States; Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States; College of Natural Resources, University of Wisconsin – Stevens Point, Stevens Point, WI, United States; Plant Biology and Conservation, Northwestern University, Evanston, IL, United States; Department of Plant Science, Chicago Botanic Garden, Glencoe, IL, United States

Recommended Citation:
Craven D.,Thakur M.P.,Cameron E.K.,et al. The unseen invaders: introduced earthworms as drivers of change in plant communities in North American forests (a meta-analysis)[J]. Global Change Biology,2017-01-01,23(3)
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