Buscar
Mostrando ítems 1-10 de 1188
Reproductive migration and population dynamics of the blue crab Callinectes danae in an estuary in southeastern Brazil
(TAYLOR & FRANCIS ASOSLO, 2012)
Portunid crabs are an important resource in estuaries, and require appropriate management to guarantee their long-term availability. We investigated the population dynamics and reproduction of Callinectes danae in the ...
Reproductive migration and population dynamics of the blue crab Callinectes danae in an estuary in southeastern Brazil
(Taylor & Francis As, 2012-01-01)
Portunid crabs are an important resource in estuaries, and require appropriate management to guarantee their long-term availability. We investigated the population dynamics and reproduction of Callinectes danae in the ...
Reproductive migration and population dynamics of the blue crab Callinectes danae in an estuary in southeastern Brazil
(Taylor & Francis As, 2012-01-01)
Portunid crabs are an important resource in estuaries, and require appropriate management to guarantee their long-term availability. We investigated the population dynamics and reproduction of Callinectes danae in the ...
A test of large-scale reproductive migration in females of the amphidromous shrimp Macrobrachium acanthurus (Caridea : Palaemonidae) from south-eastern Brazil
(CSIRO Publishing, 2014-01-01)
Macrobrachium acanthurus inhabits estuaries and rivers in the western Atlantic. It is not clear whether females migrate towards estuaries to hatch larvae, as reported for other congeneric shrimps. We tested whether females ...
Latin American Youths' Migration Journeys and Settlement in the Tarapacá Region in Chile: Implications for Sexual and Reproductive Health
(2022)
The sexual and reproductive health of young migrants has not been sufficiently addressed in mobility studies. In this article, we dwell on some aspects of this issue in the migration process of Latin American youth. We ...
Latin American Youths’ Migration Journeys and Settlement in the Tarapacá Region in Chile: Implications for Sexual and Reproductive Health
(2022)
The sexual and reproductive health of young migrants has not been sufficiently addressed in mobility studies. In this article, we dwell on some aspects of this issue in the migration process of Latin American youth. We ...
Do Fork-tailed Flycatchers (Tyrannus s. savana) stop to molt during fall migration?
(Soc Brasileira Ornitologia, 2018-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America, then migrate to northern South America, where they undergo a winter molt. However, exactly when this winter molt begins is not ...
Do Fork-tailed Flycatchers (Tyrannus s. savana) stop to molt during fall migration?
(2018-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America, then migrate to northern South America, where they undergo a winter molt. However, exactly when this winter molt begins is not ...
Reproductive migration of fish and movement in a series of reservoirs in the Upper Parana River basin, Brazil
(Wiley-Blackwell, 2013-10-01)
AbstractThis study evaluates the effectiveness of two fish passes at two hydropower dams (Canoas I and II) in the Upper Parana basin, which form part of a cascade of three reservoirs. Fish from 12 migratory species (3089 ...