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Invasive wild boars and native mammals in agroecosystems in the Atlantic Forest of Western Brazil PAB
Doutel-Ribas,Cynthia; Martins,Fernando Ibanez; Campos,Zilca; Piovezan,Ubiratan; Tomas,Walfrido; Silva,Virgínia Santiago; Pellegrin,Aiesca; Mourão,Guilherme.
Abstract: The objective of this work was to estimate an index of the relative biomass per species, in a medium to large-sized mammal community, as well as to determine how the introduced wild boar (Sus scrofa) fits into this index, and to verify if the occupancy of sites by domestic dogs interferes with those of wild boars and how much the periods of dogs’ activity overlap those of wild boars. The biomass/effort index was measured for each native mammal species and for the introduced wild boar, in two surveyed farms in Brazil’s Western Atlantic Forest range, through the use of camera trappings that were also used to verify if dogs and wild boar overlap in space and activity time. Wild boars seem to dominate the community, just a few years after their...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canis familiaris; Sus scrofa; Activity time; Community composition; Niche overlap.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000104100
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Local environmental controls of Atlantic Forest tree community assembly on a coastal continental island in southeastern Brazil Acta Botanica
Nettesheim,Felipe Cito; Garbin,Mário Luís; Pereira,Marcos Gervasio; Araujo,Dorothy Sue Dunn de.
ABSTRACT Tropical forests with high species diversity are commonly found in rugged montane areas. We investigated causes of local tropical forest tree community assembly on a continental island with heterogeneous terrain. We recorded tree community (absolute species abundance), topography, soil, litter and location in 40 sampling units on two opposite sides of the island with similar heterogeneous terrain. We used transformation based Redundancy Analyses and variation partitioning to determine the contribution of environment (topography, soil and litter), spatial structure (geographic location and Moran Eigenvector Maps) and the shared effects of these to explain community assembly. The environment made a significant contribution to explain tree community...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Community composition; Community structure; Floristics; Neutral; Niche; Soil; Spatial structure; Topography; Tropical forest.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100088
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Land Flatworms (Platyhelminthes: Tricladida) in Remnants of Deciduous Forest in the Northeast Region Of Southern Brazil Biota Neotropica
Amaral,Silvana Vargas do; Hack,Ilana Rossi; Iturralde,Giuly Gouvêa; Leal-Zanchet,Ana Maria.
Land flatworms show high endemism due to their restricted mobility. In southern Brazil, land flatworm communities have been found mainly in areas of ombrophilous forests. Thus, this study documents land planarian species composition in remnants of deciduous seasonal forest in the northeast region of southern Brazil. Direct, diurnal samplings reveal the occurrence of 26 species of land flatworms, of which one belongs to the subfamily Rhynchodeminae and the others to the subfamily Geoplaninae. The Rhynchodeminae genus Rhynchodemus Leidy 1851 and the following Geoplaninae genera occurred: CephaloflexaCarbayo & Leal-Zanchet, 2003, Choeradoplana Graff, 1896, Imbira Carbayo et al., 2013, IssocaFroehlich, 1955, LuteostriataCarbayo, 2010, Obama Carbayo et al.,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity inventory; Planarians; Community composition; Neotropical Region.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032014000100203
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Morpho-ecological characterization and composition of rocky fields bryophytes in Brazilian Cerrado Boletín de la Sociedad
Marchi Do Carmo,Dimas; Fernandes Peralta,Denilson.
The aim of this study is to provide information about ecological relations and floristic composition of bryophytes community in Brazilian Cerrado rocky fields in Minas Gerais state. There are few works of bryophyte communities and their relation with this environment for Brazilian Cerrado, besides this, these environments are submitted to several intense treats. For this study nine transects of 50 m with total of 45 plots were randomly sampled in order to analyze the composition and morpho-ecological traits of bryophytes communities. The diversity measures were performed using the PAST and EstimateS software to perform the clustering of the species found between the tree different areas of rocky fields. We found 176 occurrences of 47 bryophytes species in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Community composition; Dry environments; Ecology; Liverworts; Mosses; Richness.
Ano: 2017 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722017000200007
Registros recuperados: 44
Primeira ... 123 ... Última
 

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