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Mostrando ítems 21-30 de 126
Estrutura de comunidades de cactos (Cactaceae) rupestres em campos subtropicais da América do Sul
(Universidade do Vale do Rio dos Sinos, 2010-02-25)
We investigated the relative importance of various natural and human-related environmental factors on the structure of 36 cacti communities occurring on rocky outcrops in southern Brazil grasslands. Outcrops were embedded ...
Interações planta-polinizador em vegetação de altitude na mata atlântica
(2016-01-01)
Tropical high-altitude vegetation is unique due to susceptibility to severe weather conditions in relation to lower formations, and by the peculiarity of its flora with many relictual components. Studies on plant-pollinator ...
Fitossociologia de campos rupestres quartzíticos e ferruginosos no Quadrilátero Ferrífero, Minas Gerais
(Acta Botanica Brasilica, 2019)
Species conservation profile of the rare and endemic trapdoor spider Calathotarsus simoni (Araneae, Migidae) from Central Argentina
(Pensoft Publishers, 2017-10)
Background: Calathotarsus simoni Schiapelli & Gerschman 1975 is the only species of Migidae in Argentina. It is a rare and endemic spider only found in relict grassland of mountain systems in the province of Buenos Aires. ...
Two new species of the Genus Melanophryniscus (Amphibia: Anura:Bufonidae) from pampa grasslands of Argentina
(Folium Publishing, 2021-05)
Twonewspecies of small-sized terrestrial toad of the genus Melanophryniscus from the highland grasslands of the Ventania and Tandilia Mountain Systems in Buenos Aires province, Argentina, are described. We assign provisionally ...
Host specificity and aggregation for a widespread mistletoe in Campo Rupestre vegetation
(Elsevier B.V., 2018-01-01)
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 ...
Oxypetalum marchesii (Apocynaceae, Asclepiadoideae), an Endemic New Species from Uruguay
(American Society of Plant Taxonomists, 2018-08-10)
A new species, Oxypetalum marchesii, from rocky grassland environments of Uruguay, is here described, illustrated, and compared to morphologically similar species. Data on its habitat, distribution, ecology, and conservation ...
Host Specificity And Aggregation For A Widespread Mistletoe In Campo Rupestre Vegetation
(Elsevier GmbH, 2016)
Life-form spectra of quartzite and itabirite rocky outcrop sites, Minas Gerais, Brazil
(Biota Neotropica, 2019)