The effects of tree cover and soil nutrient addition on native herbaceous richness in a neotropical savanna

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade de Brasília (UnB)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorNorth Carolina State University-
Autor(es): dc.creatorMassi, Klécia Gili [UNESP]-
Autor(es): dc.creatorEugênio, Chesterton Ulysses Orlando-
Autor(es): dc.creatorFranco, Augusto César-
Autor(es): dc.creatorHoffmann, William A.-
Data de aceite: dc.date.accessioned2022-02-22T00:46:05Z-
Data de disponibilização: dc.date.available2022-02-22T00:46:05Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/btp.12940-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/206075-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/206075-
Descrição: dc.descriptionExotic grasses and high-nutrient availability are common factors that may limit recovery of herbaceous diversity in derived savannas, while tree encroachment is a threat to diversity in old-growth savannas. To understand the impacts of these factors on herbaceous communities, we studied the effect of nutrient addition, and the resulting increase in the exotic grass, Melinis minutiflora, at a savanna-forest boundary in the Brazilian Cerrado. We inventoried richness of reproductive herbs, tree basal area and cover of the exotic grass, Melinis minutiflora, in each plot. Nutrient addition caused a large increase in Melinis and a large decrease in richness of flowering plants. Unexpectedly, structural equation model analysis suggests that the decline in herbaceous richness was a direct result of nutrient addition, rather than an indirect effect caused by the increase in Melinis. Tree density had a strong negative effect on both Melinis cover and herbaceous richness. Our results reveal that high-nutrient availability imposes a barrier to the restoration of a diverse, native herbaceous layer in anthropogenic savannas, while tree encroachment is a threat to diversity in old-growth savannas. Abstract in Portuguese is available with online material.-
Descrição: dc.descriptionDepartamento de Ecologia Universidade de Brasília-
Descrição: dc.descriptionDepartamento de Engenharia Ambiental Instituto de Ciência e Tecnologia Universidade Estadual Paulista (Unesp)-
Descrição: dc.descriptionDepartamento de Botânica Universidade de Brasília-
Descrição: dc.descriptionPlant Biology Department North Carolina State University-
Descrição: dc.descriptionDepartamento de Engenharia Ambiental Instituto de Ciência e Tecnologia Universidade Estadual Paulista (Unesp)-
Idioma: dc.languageen-
Relação: dc.relationBiotropica-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBrazil-
Palavras-chave: dc.subjectCerrado-
Palavras-chave: dc.subjectdiversity-
Palavras-chave: dc.subjectfertilization-
Palavras-chave: dc.subjectGround layer-
Palavras-chave: dc.subjectshading-
Título: dc.titleThe effects of tree cover and soil nutrient addition on native herbaceous richness in a neotropical savanna-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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