Results 151 to 160 of about 731 (170)
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Afforestation in the Rupestrian Grasslands: The Augmenting Pressure of Eucalyptus
2016For at least 30 years, the expansion of eucalyptus plantations in municipalities like Grao-Mogol and Itamarandiba, in Minas Gerais State, has been provoking considerable impacts on ecosystems and human communities in the rocky fields of the Espinhaco Mountain Range.
Rodrigo Pinheiro Ribas +3 more
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Mycorrhiza, 2015
Variation in arbuscular mycorrhizal fungi (AMF) communities is described for the first time in rupestrian grasslands in Brazil along an altitudinal gradient of 700 m (800 to 1400 m a.s.l.). Hypotheses tested were that soil properties influence the variation in AMF communities and that the frequency of the most common species of AMF is inversely ...
Etiene Silva, Coutinho +4 more
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Variation in arbuscular mycorrhizal fungi (AMF) communities is described for the first time in rupestrian grasslands in Brazil along an altitudinal gradient of 700 m (800 to 1400 m a.s.l.). Hypotheses tested were that soil properties influence the variation in AMF communities and that the frequency of the most common species of AMF is inversely ...
Etiene Silva, Coutinho +4 more
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Challenges in the Restoration of Quartzitic and Ironstone Rupestrian Grasslands
2016Actively restoring ecosystems that have “been degraded, damaged or destroyed” became imperative in face of worldwide human impacts on nature. For rupestrian grasslands which are so peculiar and restricted in range, but also subjected to strong impact pressures, this seems to be even more important.
G. Wilson Fernandes +3 more
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Antagonistic Interactions in the Rupestrian Grasslands: New Insights and Perspectives
2016Antagonistic interactions are main ecological forces in terrestrial communities and include several examples involving plants and animals. The studies performed in the rupestrian grasslands have mostly focused on patterns of herbivory and on the effects of plant quality and natural enemies on insect herbivore abundance and distribution. Herbivory rates
Frederico S. Neves +6 more
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Ecological Complexity, 2020
Abstract The unique vegetation of rupestrian grassland (Campo Rupestre) is finely tuned to the strong environmental and edaphoclimatic filters that resulted in important adaptations and high levels of endemism. In this study, we intend to give another focus to the understanding of the identity of the rupestrian grasslands by observing their floristic
G. Wilson Fernandes +11 more
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Abstract The unique vegetation of rupestrian grassland (Campo Rupestre) is finely tuned to the strong environmental and edaphoclimatic filters that resulted in important adaptations and high levels of endemism. In this study, we intend to give another focus to the understanding of the identity of the rupestrian grasslands by observing their floristic
G. Wilson Fernandes +11 more
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Brazilian Journal of Botany, 2016
This study aimed to document variation in the composition and structure of regenerating woody vegetation along an altitudinal gradient of a rupestrian grassland and to describe the relationship between species and characteristics of the soil. All woody plants with a diameter at ground height of ≤1 cm were collected in seven sampling sites at altitudes ...
Nayara Mesquita Mota +4 more
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This study aimed to document variation in the composition and structure of regenerating woody vegetation along an altitudinal gradient of a rupestrian grassland and to describe the relationship between species and characteristics of the soil. All woody plants with a diameter at ground height of ≤1 cm were collected in seven sampling sites at altitudes ...
Nayara Mesquita Mota +4 more
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The Megadiverse Rupestrian Grassland
2016The Rupestrian Grassland is an ancient ecosystem characterized by high herbaceous species richness, high endemism, and unique species compositions. The vegetation and habitats in the Rupestrian Grassland are maintained by edapho-climatic factors that limit tree growth and distribution, frequent fires, and, possibly, herbivory.
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Succession on the Rocky Outcrop Vegetation: A Rupestrian Grassland Scheme
2016We investigated the nature of the temporal processes involved in the formation of vegetation on the heterogeneous landscape of rocky outcrops on ridge tops in rupestrian grasslands (campos rupestres) , Northeastern Brazil. Relationships were established between spatial patterns and gradual processes of succession and their respective species life-forms.
Abel A. Conceição, José R. Pirani
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Brazilian Journal of Botany, 2018
Investigations on the propagation and establishment of native grasses of rupestrian grassland on degraded substrates are essential to enable their use in the restoration of degraded areas, thus reducing the use of exotic species. This study aimed to evaluate the sexual and asexual propagation, establishment and growth of Axonopus laxiflorus (Trin ...
Maurilio Assis Figueiredo +3 more
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Investigations on the propagation and establishment of native grasses of rupestrian grassland on degraded substrates are essential to enable their use in the restoration of degraded areas, thus reducing the use of exotic species. This study aimed to evaluate the sexual and asexual propagation, establishment and growth of Axonopus laxiflorus (Trin ...
Maurilio Assis Figueiredo +3 more
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Archipelago of Montane Forests Surrounded by Rupestrian Grasslands: New Insights and Perspectives
2016In this chapter, we describe, for the first time, the natural islands of Atlantic rainforests, regionally known as capoes (heretofore called Atlantic forest islands, or simply forest islands), associated to the Espinhaco Range under the perspective of the landscape context in which they are immersed.
Marcel S. Coelho +7 more
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