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Nest predators of flightless steamer-ducks (Tachyeres pteneres) and flying steamer-ducks (Tachyeres patachonicus)
(Waterbird Society, 2014-11)
A combination of infrared cameras and plasticine eggs were used to identify potential nest predators of Flightless Steamer-Ducks (Tachyeres pteneres) and Flying Steamer-Ducks (T. patachonicus) and to evaluate the relative ...
Ultrastructural characteristics of spermiogenesis in the domestic duck (Anas platyrhynchos)
(2005-10-01)
In this present study was observed that the spermatids underwent morphological differentiation and modifications, which primarily comprised nuclear elongation, during the process of spermiogenesis in the domestic duck. The ...
Ultrastructural characteristics of spermiogenesis in the domestic duck (Anas platyrhynchos)
(2005-10-01)
In this present study was observed that the spermatids underwent morphological differentiation and modifications, which primarily comprised nuclear elongation, during the process of spermiogenesis in the domestic duck. The ...
Estudos sobre Bombacaceae : V - Investigação anatômica das madeiras de Catostemma commune Sandwith, Cafostemma sclerophyllum Ducke e Scleronema micranthum (Ducke) Ducke, com vistas à polpa, papel e taxinomia.
(Instituto Nacional de Pesquisas da Amazônia, 1976-06)
Analisadas madeiras de três espécimes de Catostemma sclerophyllum Ducke, um de Catostemma commune Sandwith e dois de Scleronema micranthum (Ducke) Ducke, todos provenientes da região amazônica.
Capture Efficiency of Torrent Ducks by the Active Mist-Net Method
(Wildlife Society, 2017-03)
We report on the use and efficiency of an active mist-net method for capturing 3 subspecies of torrent ducks (Merganetta armata), a territorial and specialized South American waterfowl, in fast-moving rivers of the Andes ...
Habitat selection by Torrent Ducks (Merganetta armata armata) in Central Chile: Conservation implications of hydropower production
(2013)
The Torrent Duck (Merganetta armata) inhabits the torrential rivers of the Andean mountains. As part of a long-term study, two rivers important for hydroelectric production were surveyed in Central Chile. Monthly indices ...