Results 141 to 150 of about 451 (170)
Circumscribing campo rupestre – megadiverse Brazilian rocky montane savanas [PDF]
Brazilian Journal of Biology, 2014 Currently campo rupestre (CR) is a name accepted and used internationally by botanists, zoologists, and other naturalists, usually applied to a very specific ecosystem, despite the lack of a consensual published circumscription. We present a tentative geographic circumscription of the term, combining data on climate, geology, geomorphology, soil, flora,
Ruy Alves
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High resilience of campos rupestres plants to the interaction of drought and fire
Plant Biology, 2023Abstract The concurrent impacts of multiple disturbances have the potential to modify ecosystem functioning by diminishing recovery capacity and resilience.
K. C. da Silva +5 more
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Environmental severity promotes phylogenetic clustering in campo rupestre vegetation [PDF]
Acta 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
Markus Gastauer, Gastauer Markus
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Ecophysiology of Campos Rupestres Plants
2016Campos rupestres are rocky seasonally-dry environments that occur over mountaintops in central Brazil. Plant growth is limited and prone to fire during the dry winter, and soils are severely nutrient-impoverished. Plants in these habitats exhibit a wide range of strategies to cope with these limitations.
Rafael S. Oliveira +6 more
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Seed storage-mediated dormancy alleviation in Fabaceae from campo rupestre [PDF]
Acta Botanica Brasilica, 2015 ABSTRACTWe studied the effects of seed storage on germination and dormancy alleviation in three species of Fabaceae endemic to campo rupestrein southeastern Brazil. Fresh seeds of Collaea cipoensis, Mimosa maguirei and Mimosa foliolosawere set to germinate and germination of seeds after four, five and 13 years of storage was tested.
Elise Buisson
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Penumbral rock communities in campo rupestre sites in Brazil
Journal of Vegetation Science, 1993Abstract. A syntaxonomic study of penumbral (open‐shade) communities in small rock caves in five campo rupestre sites in Minas Gerais, Brazil, was carried out according to the Braun‐Blanquet method. On the basis of 41 releves, the following new syntaxa were described: the associations Doryopterido ornithopodis‐Eriocauletum cipoensis, Coccocypselo ...
R.J.V. Alves, J. Kolbek
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Biogeomorphological evolution of rocky hillslopes driven by roots in campos rupestres, Brazil
Geomorphology, 2021Abstract The campos rupestres (rocky grassland) comprise an old-growth seasonally dry herbaceous ecosystem on mountaintops in central and eastern Brazil and in disjoint areas with sparse shrubs with high plant diversity and endemism. This ecosystem consists of sharp-edged quartzite landforms and rocky hillslopes with boulders, blocks, and sparse soil
Diego Luciano Nascimento +7 more
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Phytotaxa, 2018
Utricularia biceps (Lentibulariaceae), a new species belonging to U. sect. Foliosa, is here described and illustrated. This new species is endemic to the campos rupestres of eastern Brazil, an extremely biodiverse and endangered vegetation. Notes on phenology, ecology, habitat, and conservation are provided, along with a discussion on the features that
Gonella, Paulo Minatel +1 more
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Utricularia biceps (Lentibulariaceae), a new species belonging to U. sect. Foliosa, is here described and illustrated. This new species is endemic to the campos rupestres of eastern Brazil, an extremely biodiverse and endangered vegetation. Notes on phenology, ecology, habitat, and conservation are provided, along with a discussion on the features that
Gonella, Paulo Minatel +1 more
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Germination niche of campo rupestre plants: effects of increased temperature and darkness
Journal of Mountain SciencePeer ...
Fabian Borghetti +2 more
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Vegetation of Brazilian campos rupestres on siliceous substrates and their global analogues
Flora, 2018Abstract Campos rupestres (on quartzite substrates) are an enigmatic habitat mosaic characterised by nutrient-poor (mainly phosphorus-deprived) soils and supporting grassland and scrub. They occur at high elevations of some mountain ranges of several eastern and central Brazilian states.
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