Results 141 to 150 of about 851,487 (265)

Fight song: variation in singing behaviour and song structure during natural agonistic interactions in a tropical songbird, Adelaide's Warbler (Setophaga adelaidae)

open access: yesIbis, EarlyView.
Birds may use their singing behaviours and song structure as agonistic signals in territorial encounters. We conducted an observational study to test this hypothesis in male Adelaide's Warblers Setophaga adelaidae, a tropical songbird that defends a territory year‐round.
Peter C. Mower   +4 more
wiley   +1 more source

Quema controlada en una comunidad típica del Sudoeste Bonaerense [PDF]

open access: yes, 2013
El fuego controlado reduce significativamente la cobertura de las especies leñosas y favorece el aumento de la cobertura de las gramíneas deseables e intermedias. Una sola quema controlada no afecta la densidad de las especies leñosas ni de las gramíneas
Andrioli, Romina Jessica   +6 more
core   +1 more source

How much sampling is enough? Four decades of understorey bird mist‐netting across Amazonia define the minimum effort to uncover species assemblage structure

open access: yesIbis, EarlyView.
Mist‐net sampling comprises a key methodological component of assemblage‐wide avifaunal studies, particularly in the understorey of closed‐canopy tropical forests. To investigate mist‐net bird captures and species assemblage structure, we compiled data from 312 sites across the Pan‐Amazon.
Pilar L. Maia‐Braga   +14 more
wiley   +1 more source

The use of in vitro culture to improve the propagation of Rhododendron ponticum subsp. baeticum (Boiss. & Reuter)

open access: yesOpen Life Sciences, 2007
Cantos Manuel   +5 more
doaj   +1 more source

Desarrollo evolutivo de la veta argentífera Tranquilo a partir de la caracterización textural y mineralógica, proyecto Pingüino, Santa Cruz, Argentina [PDF]

open access: yes, 2013
Fil: López, Luciano. Instituto de Recursos Minerales (INREMI). Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Guido, Diego Martín. Instituto de Recursos Minerales (INREMI).
Galina, Matías   +3 more
core  

Linking rivers, mixing faunas: How artificial connectivity between the Middle and Upper Paraná River basins shapes fish diversity in a tributary of the Itaipu Reservoir, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract This work aimed to investigate the distribution and occurrence of fish species along the São Francisco Falso Braço Norte (SFFBN) River basin, a tributary of the Middle Paraná River basin now artificially connected to the Upper Paraná ecoregion, to evaluate how such connectivity may affect the biogeographic distribution and regional composition
Lucas E. P. Kampfert   +5 more
wiley   +1 more source

A fractal pattern of hierarchical genetic population structure in mixed stocks across fish segregated by dams revealed by genomic resources for curimba Prochilodus lineatus

open access: yesJournal of Fish Biology, EarlyView.
Abstract Genomic resources, new microsatellite markers and a novel observation of a fractal pattern in the genetic population structure are presented for curimba, Prochilodus lineatus, a freshwater migratory model species of South America. Our main goals were to investigate the presence of mixed fish stocks and the effects of damming‐induced ...
Gabriel M. Yazbeck   +5 more
wiley   +1 more source

Las dorsales continentales. [PDF]

open access: yes, 2018
Gustavo A. Tirado F. (biografía): Nació en Valverde, República Dominicana. Ingeniero agrónomo, Escuela Superior de Agricultura, Saltillo, Coahuila, México.
Tirado F., Gustavo A.
core  

Enhancing species discovery and description in algal turfs: A case study in the green alga Pseudoderbesia (Bryopsidales)

open access: yesJournal of Phycology, EarlyView.
Abstract Algal turfs are assemblages consisting of small marine green, brown, and red algae on the scale of millimeters to a few centimeters. Due to their small size, they have been less intensively studied by macroalgal taxonomists, and they also fall outside the scope of microalgal taxonomists, who tend to focus on smaller, often unicellular, taxa ...
Amelia Hastings   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy