Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes

Ben P. Werling; Timothy L. Dickson; Rufus IsaacsHannah GainesClaudio GrattonKatherine L. GrossHeidi LiereCarolyn M. MalmstromTimothy D. MeehanLeilei RuanBruce A. RobertsonG. Philip RobertsonThomas M. SchmidtAbbie C. SchrotenboerTracy K. TealJulianna K. WilsonDouglas A. Landis

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Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes

机译：Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes

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Agriculture is being challenged to provide food, and increasingly fuel, for an expanding global population. Producing bioenergy crops on marginal lands--farmland suboptimal for food crops--could help meet energy goals while minimizing competition with food production. However, the ecological costs and benefits of growing bioenergy feedstocks--primarily annual grain crops--on marginal lands have been questioned. Here we show that perennial bioenergy crops provide an alternative to annual grains that increases biodiversity of multiple taxa and sustain a variety of ecosystem functions, promoting the creation of multifunctional agricultural landscapes. We found that switchgrass and prairie plantings harbored significantly greater plant, methanotrophic bacteria, arthropod, and bird diversity than maize. Although biomass production was greater in maize, all other ecosystem services, including methane consumption, pest suppression, pollination, and conservation of grassland birds, were higher in perennial grasslands. Moreover, we found that the linkage between biodiversity and ecosystem services is dependent not only on the choice of bioenergy crop but also on its location relative to other habitats, with local landscape context as important as crop choice in determining provision of some services. Our study suggests that bioenergy policy that supports coordinated land use can diversify agricultural landscapes and sustain multiple critical ecosystem services.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2014年第4期|1652-1657|共6页
作者
Ben P. Werling; Timothy L. Dickson; Rufus IsaacsHannah GainesClaudio GrattonKatherine L. GrossHeidi LiereCarolyn M. MalmstromTimothy D. MeehanLeilei RuanBruce A. RobertsonG. Philip RobertsonThomas M. SchmidtAbbie C. SchrotenboerTracy K. TealJulianna K. WilsonDouglas A. Landis;
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作者单位

Department of Entomology, Michigan State University, East Lansing, MI 48824;

Great Lakes Bioenergy Research Center, US Department of Energy, Michigan State University, East Lansing, MI 48824;

Great Lakes Bioenergy Research Center, US Department of Energy, University of Wisconsin-Madison, Madison, WI 53706;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
energy policy; greenhouse gas mitigation;

Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes

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