Ecological Dominance
Mostrando 1-12 de 64 artigos, teses e dissertações.
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1. Environmental factors affect population structure of tree ferns in the Brazilian subtropical Atlantic Forest
ABSTRACT Tree ferns are important elements of tropical forests, mainly because they are common and provide microhabitats for epiphytic plants. Due to their ecological importance, the aim of this study was to evaluate population structure, distribution, and influence of environmental variables on tree ferns in the state of Santa Catarina, southern Brazil. All
Acta Bot. Bras.. Publicado em: 2020-03
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2. Effects of primary productivity on beta diversity of ecological communities
Resumo Objetivo Diversos fatores ecológicos afetam previsivelmente a diversidade beta - a dissimilaridade das comunidades entre locais ou através do tempo. Considerando o efeito da produtividade primária, existem divergências na literatura a respeito do tipo de relação que seria encontrada (positiva, negativa ou em formato de domo). Isto é relevante
Acta Limnol. Bras.. Publicado em: 21/10/2019
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3. Phytoplankton, Trophic State and Ecological Potential in reservoirs in the State of São Paulo, Brazil
Resumo O objetivo deste trabalho foi estabelecer Potencial Ecológico de alguns reservatórios do estado de São Paulo, tendo como elemento de qualidade biológica o fitoplâncton. Amostras de água integrando a coluna d’água foram tomadas nas zonas lótica, central e de barragem dos reservatórios Igaratá, Atibainha, Paiva Castro, Rio Grande, Itupararan
Rev. Ambient. Água. Publicado em: 10/10/2019
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4. Characterization of the Weed Flora in Rice Areas under Distinct Cropping Systems and Herbicide Managements
RESUMO: O objetivo deste trabalho foi avaliar a ocorrência de plantas daninhas em arroz irrigado por inundação, em função do sistema de plantio e do manejo de herbicidas na safra anterior. O experimento foi instalado em campo, em delineamento experimental de blocos casualizados dispostos em esquema fatorial 3 x 2, com oito repetições. O fator A foi o
Planta daninha. Publicado em: 30/09/2019
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5. Composition and structure of the frugivorous butterfly community (Lepidoptera: Nymphalidae) at the Serra Azul State Park (PESA), Mato Grosso, Brazil
ABSTRACT Due to the important ecological role of Nymphalidae as consumers of fermented fruits, excrement, exudates of decomposed plants and animals, as well as bioindicators of environmental quality that attract the interest of the general public, this study aimed to characterize the fauna of frugivorous butterflies at the Serra Azul State Park - PESA (Mato
Zoologia (Curitiba). Publicado em: 06/06/2019
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6. Potencial utilitário da vegetação lenhosa em área de Caatinga no estado de Pernambuco, nordeste do Brasil
Resumo Este estudo teve como objetivo a análise da relação entre a população humana situada no Assentamento Olho d´Água do Félix, Caruaru-PE e as espécies florestais conhecidas e utilizadas, de forma a testar a hipótese de aparência ecológica. Foi realizado um inventário da vegetação arbórea através de parcelas amostrais de 400 m2 nos fragme
Ciênc. Florest.. Publicado em: 30/05/2019
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7. Leaf-litter Entomofauna as a Parameter to Evaluate Areas Under Ecological Restoration
ABSTRACT The aim of this study was to characterize the leaf-litter entomofauna in degraded areas under restoration process with different restoration techniques, using the native forest as a reference and ecological indexes as parameters to select bioindicator groups. The study was conducted at “Serra do Itajaí” National Park (PNSI). The survey was cond
Floresta Ambient.. Publicado em: 02/05/2019
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8. Structure and Diversity In Ombrophilous Forest in the Zona da Mata of Pernambuco
ABSTRACT The objective of this work was to evaluate the arboreal component of a Dense Ombrophilous Lowland Forest fragment through evaluations of richness, structure and diversity. For the sampling of this component, we implanted 40 sample units of 10 × 25 m. We measured all arboreal individuals who presented circumference at breast height ≥ 15 cm, 1.30 m
Floresta Ambient.. Publicado em: 25/04/2019
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9. Spatial Variability of Soil Fauna Under Different Land Use and Managements
ABSTRACT Geostatistics allows the evaluation of the distribution pattern of data with high spatial variability in agricultural systems. This study aimed to evaluate the spatial variability of biological diversity indices of soil fauna under different land (agriculture and forest). Samples were collected in seven areas (millet, soybean, corn, eucalyptus, past
Rev. Bras. Ciênc. Solo. Publicado em: 28/05/2018
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10. Soil Macrofauna as a Soil Quality Indicator in Native and replanted Araucaria angustifolia Forests
ABSTRACT Studies on soil quality in Araucaria forests contribute to understanding changes in this ecosystem and serve as a tool in conserving its biodiversity. The aim of this study was to evaluate the potential of soil macrofauna in discriminating native and replanted Araucaria forests for selection of soil quality indicators. Native (NF) and replanted (RF)
Rev. Bras. Ciênc. Solo. Publicado em: 09/11/2017
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11. Phylogenetic community structure reveals differences in plant community assembly of an oligotrophic white-sand ecosystem from the Brazilian Atlantic Forest
ABSTRACT Mussununga, an oligotrophic sandy savanna ecosystem, comprises distinct physiognomies along fire, water and nutrient availability gradients. Grasslands and woodlands are constrained at the opposite poles of these gradients, with grasslands occurring in areas with poorer soils and higher levels of both water-stress and fire intensity. According to th
Acta Bot. Bras.. Publicado em: 21/09/2017
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12. Diversity of Drosophilidae (Insecta, Diptera) in the Restinga forest of southern Brazil
Abstract Although members of Drosophilidae are frequently the topic of ecological studies in Brazil, few have explored Restinga or, until only recently, Pampa biome environments. This study proposes to describe the diversity and temporal variation of the Drosophilidae assemblage from a Restinga forest of Rio Grande do Sul, Brazil. We performed monthly collec
Rev. Bras. entomol.. Publicado em: 2017-09