Results 71 to 80 of about 9,023 (200)

Trends in Richness and Occupancy of Ugandan Birds and Relation to Local Tree Cover

open access: yesAfrican Journal of Ecology, Volume 63, Issue 4, June 2025.
ABSTRACT Changes in vegetation cover are occurring across sub‐Saharan Africa and can have substantial effects on ecological communities, but limited data make understanding status and trends difficult for many taxa. We surveyed birds for several decades across Uganda using point counts.
Ryan C. Burner   +7 more
wiley   +1 more source

Ecologia da polinização do bacurizeiro (Platonia insignis Mart.) Clusiaceae. [PDF]

open access: yes, 2014
bitstream/item/42799/1/Boletim-Pesquisa-170-CPATU ...
MAUES, M. M., VENTURIERI, G. C.
core   +1 more source

Fire Effects on Bird Communities From Seasonally Flooded Forests Along Amazonian Black Water Rivers of the Negro River Basin

open access: yesDiversity and Distributions, Volume 31, Issue 5, May 2025.
ABSTRACT Aim Fire significantly contributes to Amazonian degradation, with igapó forests (seasonally flooded by blackwater rivers) being especially vulnerable. Igapó forests support species adapted to seasonal flooding, making fire a critical threat to these specialised organisms.
C. Valentim   +6 more
wiley   +1 more source

La avifauna del Cuaternario de Argentina: inferencias paleoambientales a partir del registro de los Psittacidae [PDF]

open access: yes
El registro de vertebrados del Cuaternario, en especial el del Pleistoceno medio y tardíoHolocena de la Región Pampeana, es el mejor conocido de América del Sur tanto desde el punto de vista bioestratigráfico como de edades radimétricas.
Acosta Hospitaleche, C.I.   +2 more
core  

The role of alien plants in the composition of fruit-eating bird assemblages in Brazilian urban ecosystems [PDF]

open access: yes, 2007
Between 1985 and 2004, 91 wild fruit-eating bird species were studied in 11 urban areas of Brazil: 78 of these species were seed dispersers and 13 were seed predators. The most representative families of fruit-eating birds in these areas were: Thraupidae
Guix, Juan Carlos
core   +1 more source

A Review of Flight-Initiation Distances and their Application to Managing Disturbance to Australian Birds [PDF]

open access: yes, 2012
Disturbance – the response of birds to a stimulus such as the presence of a person – is considered a conservation threat for some Australian birds. The distance at which a bird flees from perceived danger is defined as the flight-initiation distance (FID)
Australian Biosecurity CRC   +37 more
core   +1 more source

The Role of Two Tyrosinase‐Like Glycoenzymes in Defining the Final Hue of Parrot Plumage

open access: yesPigment Cell &Melanoma Research, Volume 38, Issue 3, May 2025.
ABSTRACT Recent advances in avian melanogenesis have pinpointed multiple genetic loci associated with color polymorphisms, predominantly in the plumage of chickens, quails, and pigeons. However, the genetic basis of melaninization in parrot plumage remains elusive.
Shatadru Ghosh Roy   +4 more
wiley   +1 more source

People priorities and perceptions. Towards conservation partnership in Mamberamo [PDF]

open access: yes, 2007
Conservation International Indonesia has launched several initiatives in the Mamberamo area since early 2000, targeting biodiversity conservation and sustainable environmental management, as well as facilitating the development of the "Mamberamo ...
Boissière, Manuel   +3 more
core  

Primer registro del Calancate Común Aratinga a. acuticaudata (Aves: Psittacidae) como huésped nativo primario de Ornithocoris toledoi Pinto (Hemiptera: Heteroptera: Cimicidae) First record of Blue-Crowned Parrot Aratinga a. acuticaudata (Aves: Psittacidae) as primary native host of Ornithocoris toledoi Pinto (Cimicidae: Hemiptera: Heteroptera)

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2011
Se presenta como huésped primario nativo de la chinche Ornithocoris toledoi Pinto (Hemiptera: Heteroptera: Cimicidae) al Calancate Común Aratinga a. acuticaudata (Aves: Psittacidae).
Diego L Carpintero   +2 more
doaj  

Neue Arten bei der Federmilbenfamilie Ascouracaridae Gaud & Atyeo, 1976 : mit 1 Tabelle [PDF]

open access: yes, 2012
Es werden 8 neue Federmilben, die die Federspule und den Federschaft besiedeln, aus der Familie Ascouracaridae GAUD & Atyeo, 1976 beschrieben und dargestellt.
Dabert, Jacek, Ehrnsberger, Rainer
core  

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