Results 31 to 40 of about 470 (169)

Histórico de incêndios em campos rupestres disjuntos

open access: yesBiodiversidade Brasileira, 2022
Incêndios recorrentes representam o pior cenário de fogo para os ecossistemas naturais, pois resultam das alterações nos regimes de fogo sustentáveis dos ambientes.
Carolina Costa Rodrigues   +7 more
doaj   +1 more source

Social wasp guild (Hymenoptera: Vespidae) visiting flowers in two of the phytophysiognomic formations: Riparian Forest and campos rupestres

open access: yesSociobiology, 2017
Social wasps are part of the floral visitor guild. In this study we investigated the distribution of flower-visiting wasp species in two phytophysiognomies in the State Park of Ibitipoca, Minas Gerais, Brazil.
Mateus Aparecido Clemente   +4 more
doaj   +1 more source

Fungos micorrízicos associados a orquídeas em campos rupestres na região do Quadrilátero Ferrífero, MG, Brasil Mycorrhizal fungi associated to orchids growing in "campos rupestres" in "Quadrilátero Ferrífero" region, Minas Gerais State, Brazil

open access: yesActa Botânica Brasílica, 2005
Oito isolados de fungos micorrízicos rizoctonióides foram obtidos do sistema radicular de orquídeas neotropicais, a saber: Bulbophyllum weddelii (Lindl.) Rchb. f., Epidendrum dendrobioides Thunb., Maxillaria acicularis Herb.
Ricardo Eustáquio Nogueira   +4 more
doaj   +1 more source

Host specificity and aggregation for a widespread mistletoe in Campo Rupestre vegetation [PDF]

open access: yesFlora, 2018
Assessment of host infection and distribution patterns are crucial to understand the underling mechanisms that shape parasitic plant spread in natural ecosystems. However, such data remain scarce for mistletoes inhabiting Brazilian campo rupestre vegetation, old-growth montane fire-prone grasslands. We evaluated the host range and distribution patterns
Guerra, Tadeu J.   +2 more
openaire   +2 more sources

A Preliminary checklist of vascular plants endemic to the Chapada Diamantina, Bahia, Brazil, with comments on their extinction threats status

open access: yesBiodiversidade Brasileira, 2023
The Chapada Diamantina is the northern extension of the Espinhaço Mountain Range and comprises diverse and complex vegetation types. It is also characterized by a high degree of plant endemism, especially in the "campos rupestres" sites.
Cezar Neubert Gonçalves   +1 more
doaj   +1 more source

Systematics and cryptic diversification of Leptodactylus frogs in the Brazilian campo rupestre

open access: yesZoologica Scripta, 2020
AbstractThe campo rupestre is a unique mountaintop ecosystem in eastern South America, recognised for its endemism and as ecological refugia for plant and animal taxa. Multiple clades of frogs are represented in the Brazilian campo rupestre. One such case is four species of the Leptodactylus fuscus group, three of which are endemic to specific mountain
Thiago R. Carvalho   +4 more
openaire   +3 more sources

Environmental severity promotes phylogenetic clustering in campo rupestre vegetation [PDF]

open access: yesActa Botanica Brasilica, 2015
The stress-dominance hypothesis postulates that the importance of competition in plant communities declines with increasing environmental stress while the importance of environmental filters increases. To test this hypothesis for campo rupestre vegetation, we analyzed phylogenetic diversity and community structure of angiosperm communities at two study
Miazaki, Angela S.   +2 more
openaire   +4 more sources

Two new Critically Endangered species of Ditassa (Apocynaceae) from the threatened cangas of the Iron Quadrangle, Minas Gerais, Brazil [PDF]

open access: yesPlant Ecology and Evolution, 2020
Background and aims – Vegetation on ironstone outcrops is highly threatened, particularly due to the impact of mining. In this study, two new species of Ditassa (Metastelmatinae, Asclepiadoideae, Apocynaceae) from the cangas of the Iron Quadrangle (Minas
Cassia Bitencourt   +3 more
doaj   +3 more sources

CPs in Campos Rupestres

open access: yesCarnivorous Plant Newsletter, 1993
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

SOLOS E VEGETAÇÃO NOS COMPLEXOS RUPESTRES DE ALTITUDE DA MANTIQUEIRA E DO ESPINHAÇO [PDF]

open access: yesFloresta e Ambiente, 2023
RESUMO Complexos Rupestres de Altitude compreendem biomas singulares que ocorrem nas cimeiras das principais cadeias montanhosas do Brasil. Diferem-se dos biomas dominantes pelas características dos solos e da biota, apresentando altas taxas de ...
Vinicius de Melo Benites   +4 more
doaj  

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