Effects Of Nitrogen Availability On The Competitive Interactions Between An Invasive And A Native Grass From Brazilian Cerrado

dc.creatorEller
dc.creatorCleiton B.; Oliveira
dc.creatorRafael S.
dc.date2017
dc.datejan
dc.date2017-11-13T11:34:02Z
dc.date2017-11-13T11:34:02Z
dc.date.accessioned2018-03-29T05:48:21Z
dc.date.available2018-03-29T05:48:21Z
dc.identifierPlant And Soil. Springer, v. 410, p. 63 - 72, 2017.
dc.identifier0032-079X
dc.identifier1573-5036
dc.identifierWOS:000392392200005
dc.identifier10.1007/s11104-016-2984-0
dc.identifierhttps://link-springer-com.ez88.periodicos.capes.gov.br/article/10.1007/s11104-016-2984-0
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/326347
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1363353
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionNitrogen (N) deposition is currently widespread in many ecosystems and often promotes shifts in plant composition towards invasive species. In this study we evaluated how soil N availability affects the competitive interactions between a native Cerrado grass (Aristida riparia) and an invasive African grass (Melinis minutiflora). We evaluated the effects of increased soil N and the presence of another species on the relative growth rate (RGR), relative competition intensity (RCI), shoot N concentration and delta N-15, intrinsic water-use efficiency (iWUE) and N productivity (A) of the two grasses in a glasshouse experiment. We found that the presence of M. minutiflora reduces the RGR of A. riparia by 52 % under high N availability, and by 29 % under low N availability. The shoot N and delta N-15 patterns of A. riparia when grown together with M. minutiflora indicate that the exotic species interferes with the native species' N acquisition. However, the lower RGR and iWUE of A. riparia observed only when grown together with M. minutiflora under high N availability suggests that other mechanisms might also limit A. riparia growth. We predict that the global trend of N deposition in ecosystems might facilitate the spread of M. minituflora in Cerrado areas.
dc.description410
dc.description1-2
dc.description63
dc.description72
dc.descriptionNational Council for Scientific and Technological Development
dc.descriptionSao Paulo Research Foundation [2010/17204-0, 2011/52072-0, 2013/19555-2]
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.languageEnglish
dc.publisherSpringer
dc.publisherDordrecht
dc.relationPlant and Soil
dc.rightsfechado
dc.sourceWOS
dc.subjectBiological Invasions
dc.subjectCompetition
dc.subjectExotic Species
dc.subjectGlobal Change
dc.subjectN Deposition
dc.subjectSavanna
dc.titleEffects Of Nitrogen Availability On The Competitive Interactions Between An Invasive And A Native Grass From Brazilian Cerrado
dc.typeArtículos de revistas


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