Buscar
Mostrando ítems 41-50 de 118
The relationship between environmental variation and species abundance in shrimp community (Crustacea : Decapoda : Penaeoidea) in south-eastern Brazil
(Cambridge University Press, 2008-02-01)
The impact of shrimp fisheries in tropical regions has become comparable to the world's most intensively exploited temperate shed ecosystems. The increase in the fishing fleet in south-eastern Brazil and the decrease in ...
Analyzing the connectivity between regions of interest: An approach based on cluster Granger causality for NRI data analysis
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2010)
The identification, modeling, and analysis of interactions between nodes of neural systems in the human brain have become the aim of interest of many studies in neuroscience. The complex neural network structure and its ...
Assembleia de ermitões nas proximidades de ilhas costeiras do sudeste do Brasil
(2014-01-01)
An assortment of environmental factors may limit the permanence of hermit crabs in the environment, and determination of certain ecological indices can reveal the current conditions of the assemblage. This study evaluated ...
Strategies to optimize monitoring schemes of recreational waters using a multivariate approach
(Springer, 2014-08)
Several recreational surface waters in Salta, Argentina, were selected to assess their quality. Seventy percent of the measurements exceeded at least one of the limits established by international legislation becoming ...
Variabilidad espacial de suelo a escala de lote y su relación con los rendimientos
(Instituto Nacional de Tecnología Agropecuaria, 2016-04)
El manejo sitio-específico dentro de un lote requiere delimitar zonas homogéneas. Múltiples variables, tales como algunas propiedades del suelo, son usadas para la zonificación. El análisis de “cluster fuzzy k-means” (CFK) ...
Multivariate approach of soil attributes on the characterization of land use in the southern Brazilian Amazon
(2018-12-01)
Determination of physical, chemical and biological attributes with individual analyses is inadequate for improving the understanding of soil conditions as a function of land-use change (LUC) in comparison to the natural ...
Phytoplankton structure in two contrasting cascade reservoirs (Paranapanema River, Southeast Brazil)
(Versita, 2011-12-01)
A series of eleven reservoirs was constructed in the Paranapanema River, southeast Brazil, for hydropower production. The phytoplankton structure and its relations with the environmental variables were studied in two of ...
Fatores ambientais relacionados à ocorrência de cianobactérias potencialmente tóxicas no reservatório de Guarapiranga, SP, Brasil
(2016-01-01)
The objective of this study was to investigate which environmental variables are correlated to the occurrence and dominance of potentially toxic species in Guarapiranga Reservoir, in the metropolitan region of São Paulo/SP ...
Ecomorfología del cráneo de cinco didélfidos: tendencias, divergencias e implicaciones
(Anales del Instituto de Biología serie Zoología, 2009)
Morfometría de cuatro especies del complejo Laurencia Lamouroux (Rhodomelaceae: Ceramiales) en la plataforma noroccidental cubana
(Instituto de Oceanología, 2012)
A partir de doce descriptores macroanatómicos, algunos de ellos de tipo merístico, fue analizada la posibilidad de segregar entre sí a cuatro especies del complejo Laurencia Lamouroux sensu lato presentes en la plataforma ...