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Contribution of environmental variables to anuran community structure in the Caatinga Domain of Brazil
(Brasil, 2011)
To ascertain the influence of environmental variables on the structure of anuran communities, we conducted tests to determine which variables best explain the spatial distribution patterns of different communities of anurans ...
Exploring stand and tree variability in mixed Nothofagus second-growth forests through multivariate analyses
Second-growth forests of Nothofagus obliqua (roble), N. alpina (raulí) and N. dombeyi (coihue), known locally as RO-RA-CO forest type, are among the most important natural mixed forest types of Chile. Several studies have ...
Within versus between-lake variability of sedimentary diatoms: the role of sampling effort in capturing assemblage composition in environmentally heterogeneous shallow lakes
(Springer, 2018-12)
The effect ofwithin-lake diatom assemblages variability on sample representativity and itssubsequent impact on between-lake comparisons were addressed in threeenvironmentally heterogeneous shallow lakes from the Argentinean ...
Spatial and seasonal patterns in fish assemblage in Córrego Rico, upper Paraná river Basin
(2013-01-01)
The upper Paraná River basin drains areas of intensive industry and agriculture, suffering negative impacts. The Córrego Rico flows through sugar cane fields and receives urban wastewater. The aim of this work is to describe ...
Spatial and seasonal patterns in fish assemblage in Córrego Rico, upper Paraná river Basin
(2013-01-01)
The upper Paraná River basin drains areas of intensive industry and agriculture, suffering negative impacts. The Córrego Rico flows through sugar cane fields and receives urban wastewater. The aim of this work is to describe ...
Chemical variables influencing microbial properties in composted tannery sludge-treated soil
(Springer, 2018-08-01)
Repeated applications of composted tannery sludge to arable soils have the potential to greatly alter soil chemistry and thus potentially influence the soil microbial community over time. This study performed multivariate ...
Variation of the diet of artibeus lituratus and sturnira lilium (Chiroptera: Phyllostomidae) in three phytogeographic regions of southern BrazilVariação na dieta de artibeus lituratus e sturnira lilium (Chiroptera: phyllostomidae) em três regiões fitogeográficas no sul do Brasil
(2018-01-01)
The family Phyllostomidae has the greatest morphological and ecological diversity among Neotropical bats, playing important roles in forest environments. This study aimed to compare the diet of Artibeus lituratus and ...
Evaluación de Agroecosistemas en el estado de Quintana Roo, con base en la distribución, disponibilidad y manejo de los recursos agrícolas y naturales
(Benemérita Universidad Autónoma de Puebla, 2017-01)
"El objetivo de este trabajo fue evaluar los agroecosistemas tropicales en dos municipios de Quintana Roo (México), con base en un gradiente de manejo de los recursos agrícolas y naturales. Se seleccionaron ocho ejidos, ...
Estudo e Análise Comparativa das Técnicas de Redução de Dimensionalidade Lineares e não Lineares
(Universidade Federal de São Paulo, 2018-12-06)
O trabalho proposto, tem como objetivo, o estudo dos principais métodos de redução de dimensionalidade não lineares e dois dos métodos de redução lineares mais amplamente
usados na literatura que são o Principal Components ...
Similitud biogeográfica y ecología de las comunidades de Anuros en el occidente de Ecuador
(Facultad de Ciencias Naturales. Universidad de Guayaquil, 2016)
Entre febrero del 2005 y octubre del 2011, se llevó a cabo la evaluación de la fauna anfibia en cuatro localidades de la Cordillera Chongón Colonche (CChC). Los anfibios se encontraron agrupados solamente en el Orden Anura ...