Results 31 to 40 of about 1,171,297 (163)

Habitat-specific vegetation and seasonal drivers of bird community structure and function in southern Patagonian forests [PDF]

open access: yes, 2015
Biodiversity conservation requires knowledge about the factors that influence the structure and function of biotic assemblages. In southern Patagonian Nothofagus forests, birds are the most abundant and diverse vertebrates and are known to have different
Anderson, C. B.   +6 more
core   +1 more source

Birds from cerradão woodland, an overlooked forest of the Cerrado region, Brazil [PDF]

open access: yes, 2011
The Cerrado region still receives relatively little ornithological attention, although it is regarded as the only tropical savanna in the world considered to be a biodiversity hotspot.
CAVARZERE, Vagner   +4 more
core   +3 more sources

Las reducciones toledanas a pueblos de indios: Aproximación a un conflicto: El repartimiento de Macha (Charcas), siglo XVI [PDF]

open access: yes, 2006
La problemática de la reducción toledana a pueblos de indios se convierte en un factor central para comprender el devenir de las agrupaciones étnicas y el surgimiento de una nueva territorialidad andino colonial.
Jurado, Maria Carolina
core   +1 more source

Seed dispersal by macaws shapes the landscape of an Amazonian ecosystem [PDF]

open access: yes, 2017
Seed dispersal is one of the most studied plant–animal mutualisms. It has been proposed that the dispersal of many large-seeded plants from Neotropical forests was primarily conducted by extinct megafauna, and currently by livestock.
Baños-Villalba, Adrián   +5 more
core   +2 more sources

Non-passerine birds from Laguna Melincué Ramsar Site, Santa Fe province, Argentina [PDF]

open access: yes, 2015
We present a waterbird inventory of the Laguna Melincué Ramsar Site in southern Santa Fe province, Argentina. We record 109 species from 28 families of non-passerine birds, including the 14 Nearctic species, four southern austral migrant species, three ...
Barberis, Ignacio Martín   +3 more
core   +2 more sources

Pedestrian Survey and NRHP Eligibility Testing of Sites within a Proposed Detention Facility in Webb County, Texas [PDF]

open access: yes, 2005
The Center for Archaeological Research (CAR) of The University of Texas at San Antonio was contracted by MACTEC Engineering & Consulting, Inc. (hereafter, MACTEC) to perform Phase I archaeological survey and Phase II testing prior to the construction of ...
Córdova, Karla J.   +4 more
core   +2 more sources

State of the art of the knowledge of Chilean raptor birds: Present situation and future projections [PDF]

open access: yes, 2015
El creciente interés a nivel mundial por el estudio de las aves rapaces ha generado la necesidad de identificar las prioridades de investigación para así enfocar los esfuerzos de conservación sobre ellas. En Chile, las primeras investigaciones se inician

core   +1 more source

The Southern Crested Caracara Caracara Plancus , Including Its Breeding At Weltvogelpark Walsrode

open access: yes, 2011
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Bruslund, Simon, Bretschek, Lech
openaire   +1 more source

Fruit consumption and seed dispersal of Caryocar brasilense (Caryocaraceae) by Caracara plancus (Falconidae).

open access: yesBrazilian journal of biology = Revista brasleira de biologia, 2020
The Southern Caracara (Caracara plancus) is a widely distributed species in South America, occurring from Bolivia to Northern Argentina (BirdLife International, 2016).
W. S. Paula, R. Souza, E. Santos
semanticscholar   +1 more source

Evidence for West Nile Virus and Usutu Virus Infections in Wild and Resident Birds in Germany, 2017 and 2018 [PDF]

open access: yes, 2019
Wild birds play an important role as reservoir hosts and vectors for zoonotic arboviruses and foster their spread. Usutu virus (USUV) has been circulating endemically in Germany since 2011, while West Nile virus (WNV) was first diagnosed in several bird ...
Eiden, Martin   +19 more
core   +2 more sources

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