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Mostrando ítems 21-30 de 274
Influencia del hábitat físico sobre la ictiofauna – cuenca baja río Dagua: caso de la quebrada Jesús
(2013-12-10)
En la quebrada Jesús (Valle del Cauca, Colombia) se evaluó la influencia del hábitat físico sobre los ensamblajes de la ictiofauna en un tramo i) bajo zona de reserva forestal y ii) con intervención de minería aurífera; ...
Avaliação da conectividade de remanescentes de vegetação nativa em matriz agrícola, considerando os índices ecológicos para aves
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Diversidade Biológica e Conservação - PPGDBC-SoCâmpus Sorocaba, 2015-10-01)
The replacement of natural cover, by other land-uses, associate with the forest fragmentation process can result in the decrease of forest connectivity in the landscapes. The diagnosis of landscape structure, through the ...
Fungi from Admiralty Bay (King George Island, Antarctica) Soils and Marine Sediments
(2018-06-19)
Extreme environments such as the Antarctic can lead to the discovery of new microbial taxa, as well as to new microbial-derived natural products. Considering that little is known yet about the diversity and the genetic ...
Diferenças na alimentação de Rhamdia quelen em quatro diferentes ordens de sistemas lóticos
(2015-01-01)
The aim of this study was to compare the food composition of Rhamdia quelen in four distinct order rivers. It was performed at a low part at the basin of the Sorocaba river in systems classified as first (Anastácio stream), ...
Influence of ecoregion and river type on neotropical Chironomidae (Diptera) from humid mountain to semiarid lowland
(Universidad de Costa Rica, 2023)
Identifying temporal and spatial patterns of diatom community change in the tropical Andes over the last c. 150 years
(2019)
Aim: Lakes in the Ecuadorean Andes span different altitudinal and climatic regions,
from inter Andean plateau to the high-elevation
páramo, which differ in their historical
evolution in the several centuries since the ...
A New Circumscription of the Genus Stomatanthes (Asteraceae, Eupatorieae)
(American Society of Plant Taxonomists, 2013-09)
A revision of the genus Stomatanthes (Asteraceae, Eupatorieae) is presented. A cladistic analysis of 43 qualitative and eight quantitative morphological characters resulted in one tree that suggests a narrower delimitation ...
Similarity joins and beyond: an extended set of binary operators with order
(SpringerCham, 2015)
Similarity joins are troublesome database operators that often produce results much larger than the user really needs or expects. In order to return the similar elements, similarity joins also require sorting during the ...
Mesozooplankton assemblages in two bays in the Beagle Channel (Argentina) during January, 2001
(Instituto de Ciencias del Mar Barcelona, 2005-12)
This paper describes the composition and abundance of mesozooplankton of Bahía Ushuaia and Bahía Golondrina. These small bays are located in the northern Beagle Channel. Sampling was carried out during January 20 - 23, ...