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Functional group richness increases multifunctionality in intensively managed grasslands

grassland Research 2023年第3期2卷 225-240页

作者： Laura Argens Caroline Brophy Wolfgang W.Weisser Sebastian Meyer Terrestrial Ecology Research Group Department for Life Science SystemsSchool of Life SciencesTechnical University of MunichFreisingGermany School of Computer Science and Statistics Trinity College DublinDublinIreland

Background:Agricultural yields have increased continuously over the last few ***,a focus solely on production can harm the *** of agriculture has been suggested to increase production and *** experiments showed positive effects on ecosystems and ***,application of these results to intensively managed grasslands has been questioned due to differences in plant species and management *** on whether diversity can benefit multifunctionality,that is,an integrated index of multiple ecosystem functions,under intensive management,is still ***:To address this,we manipulated plant species richness from one to six species spanning three functional groups(legumes,herbs,and grasses)in intensively managed multispecies grassland leys and examined seven ecosystem ***:We found that multifunctionality increased with functional group and species ***+herb mixtures showed high multifunctionality,while grass monocultures and mixtures with high proportions of grasses had low *** plant species and plant communities drove different ecosystem *** and herbs improved productivity and water availability,while grasses enhanced invasion *** results indicate that multifunctionality and individual ecosystem functions can be promoted through targeted combinations of plants with complementary ecological ***:Plant diversity can improve multifunctionality also under intensive management,potentially benefitting agroeconomics and sustainability.

关键词： biodiversity ecosystem functions intensively managed grassland Legacy Network(LegacyNet) multifunctionality

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