Results 51 to 60 of about 4,081 (115)

Population structure of the Yellow Cardinal (Gubernatrix cristata): contributions to its conservation [PDF]

open access: yes, 2015
El Cardenal Amarillo (Gubernatrix cristata) es un passeriforme endémico de América del Sur, que está categorizado como ―En peligro‖ por la Unión Internacional para la Conservación de la Naturaleza como consecuencia de la alta tasa de captura para ...
Domínguez, Marisol
core  

Stability enhancement of betalain pigment extracted from Celosia cristata L. flower through copigmentation and degradation kinetics during storage

open access: yesFood chemistry: X
Celosia cristata Linn., an underutilized flower, contains betalains. The stability of betalain pigments in complex food systems is a significant challenge.
Shabnum Showkat   +7 more
semanticscholar   +1 more source

Assembleia de aves territorialistas na formação espinilho: densidade e seleção de habitat reprodutivo [PDF]

open access: yes, 2015
Inserted into the grassland matrix of the pampa biome is Espinal ecoregion with distinctive arboreal components, predominantly located in Argentina with a small insertion in Brazil, more precisely in the most western portion of Rio Grande do Sul.
Pereira, Mauricio da Silveira
core  

Nueva lista de las aves de la provincia de Buenos Aires. [PDF]

open access: yes, 2001
El presente trabajo aporta información de base para el seguimiento y evaluación de la biodiversidad de las aves a escala local o regional. Para la realización de la lista, hemos tenido como punto de referencia la Lista sistemática de las aves de la ...
Camperi, A. R., Darrieu, C. A.
core  

Estructuración poblacional del Cardenal Amarillo (Gubernatrix cristata) : implicancias para su conservación

open access: yes, 2015
The Yellow Cardinal (Gubernatrix cristata) is an endemic South American passerine,which is categorized as "endangered" by the International Union for Conservation of Nature as a result of illegal traffic and habitat modification. Its current distribution is highlydiscontinuous, with few areas where the species is present separated by areas with scarce ...
openaire   +2 more sources

AVIFAUNA APREENDIDA NO EXTREMO SUL CATARINENSE DURANTE 8 ANOS DE INSTALAÇÃO DO 10º BATALHÃO DA POLÍCIA MILITAR DE PROTEÇÃO AMBIENTAL DE MARACAJÁ [PDF]

open access: yes, 2012
INTRODUÇÃOO Brasil apresenta uma rica avifauna. Aqui se encontra mais da metade das espécies que ocorrem no continente Sul-Americano (ANDRADE 1995). Porém, a fauna brasileira vem sofrendo profundos impactos provocados pela ação humana resultando em perda
Viana, Ivan Réus, Zocche, Jairo José
core   +1 more source

Estudio genómico de la introgresión entre el Cardenal Amarillo (Gubernatrix cristata) y la Diuca (Diuca diuca): impacto sobre la conservación de ambas especies. [PDF]

open access: yes
Fil: Domínguez Marisol. Unit of Evolutionary Biology/Systematic Zoology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, GermanyFil: Arantes Larissa S.
Arantes, Larissa S.   +8 more
core  

Bird surveys in grasslands: do different count methods present distinct results? [PDF]

open access: yes, 2018
We compared two methods routinely used to conduct bird community surveys: point counts and transects. Our aim was to look for differences between these two methods regarding detection of bird richness and abundances.
Andretti, Christian B.   +4 more
core  

Hibridación entre Cardenal Amarillo (Gubernatrix cristata) y Diuca Común (Diuca diuca minor) en estado silvestre, en la Argentina

open access: yes, 1997
Two intergeneric hybrids between the Yellow Cardinal (Gubernatrix cristata) and the Common Diuca Finch (Diuca diuca minar) are described. The hybrids were captured in the area of sympatry between Gubernatrix cristata and Diuca diuca in E Río Negro Province (Argentina), where they are locally named «Plomitos ».
Bertonatti, Claudio   +1 more
openaire   +2 more sources

Shedding more light on historical hypothetical records of some Paraguayan birds listed by A. de W. Bertoni [PDF]

open access: yes
uploaded by Plazi for Revue Suisse de ...
Cibois, A.   +2 more
core   +1 more source

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