Results 31 to 40 of about 207 (67)

Análise da variação ontogenética da assinatura isotópica de Cyanocharax alburnus (Teleostei, Characiformes) [PDF]

open access: yes, 2011
A análise de isótopos estáveis está sendo cada vez mais utilizadas para o entendimento da real assimilação de nutrientes e da posição trófica de organismos.
Batista, Cibele Boeira
core  

Discrimination of hydrologic variations for spatial distribution of fish assemblage in a large subtropical temperate river [PDF]

open access: yes, 2019
This study examines the effects of the flow and flood pulses on spatialdispersion of fish assemblages in the floodplain of the Paraná River in Argentina.
Abrial, Elie   +7 more
core   +1 more source

CONSERVATION STATE OF SILURIFORMES FISHES FROM THE RAMSAR SITE JAAUKANIGAS (MIDDLE PARANA RIVER), ARGENTINA ESTADO DE CONSERVACION DE PECES SILURIFORMES DEL SITIO RAMSAR JAAUKANIGAS (RIO PARANA MEDIO), ARGENTINA

open access: yesGayana, 2009
The Siluriformes conservation state was quantified by means of the SUMIN index, composed by the sum of 12 outstanding variables for the species survival and/or conservation.
Elly Cordiviola   +4 more
doaj  

Aplicabilidades e estudo comparativo da biogeografia histórica na região neotropical como ferramentas para conservação: os métodos "análise de parcimônia de endemismo" e "panbiogeografia" [PDF]

open access: yes, 2010
The historical biogeography involves studies on the distribution patterns of animals and plants by allowing us to understand evolutionary processes.
Goldani, Ângela
core  

Fish Fauna in Oxbow Lakes of the Middle Purus River in the Neotropical Region of the Amazon Rainforest / Fauna de peixes em lagos de meandro abandonado no Médio Rio Purus na região Amazônica Neotropical [PDF]

open access: yes, 2020
The effect of the flood pulse directs productivity and interactions of biota in abandoned oxbow lakes, as these habitats provide refuge from predators and serve as nurseries and feeding grounds for many fish species.
Fernandes, Emanuela Costa   +5 more
core   +1 more source

Environmental characterization of the reproductive season of migratory fish of the Sinú river (Córdoba, Colombia) [PDF]

open access: yes, 2015
Objective. To characterize some abiotic factors during the reproductive season of migratory fish (bocachico Prochilodus magdalenae, dorada Brycon sinuensis, bagre blanco Sorubim cuspicaudus and barbul Pimelodus blochii) in the Sinú River.
Eduardo Kerguelén-Durango   +1 more
core   +3 more sources

Guía de los peces del Parque Nacional Pre-Delta [PDF]

open access: yes, 2008
Fil: Almirón, Adriana Edith. División Zoología Vertebrados; Facultad de Ciencias Naturales y Museo; Universidad Nacional de La PlataFil: Casciotta, Jorge Rafael.
Almirón, Adriana Edith   +3 more
core  

Biodiversity and distribution of the Mesopotamian ichthyofauna [PDF]

open access: yes, 2016
We analyze the fish fauna of the Mesopotamian Region in northeastern Argentina, providing detailed lists of species, and indicating endemics and exotic ones.
López, Hugo Luis   +2 more
core   +4 more sources

Checklist of Crustacea parasitizing fishes from Brazil [PDF]

open access: yes, 2013
Here we provide a checklist of the crustacean species parasitizing both marine and freshwater fishes from Brazil. We list a total of 134 species of parasitic crustaceans associated with 205 species of fishes in Brazil.
Fabiano Vieira   +4 more
core   +1 more source

Biodiversity of the upper deltaic complex of the Paraná River [PDF]

open access: yes, 2008
En este trabajo se analiza la riqueza y distribución de la flora vascular y fauna de vertebrados de la región superior del Complejo Deltaico del Río Paraná.
Aceñolaza, Pablo Gilberto   +7 more
core   +1 more source

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