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Decline of the North American avifauna

Rosenberg, Kenneth V ; Dokter, Adriaan M ; Blancher, Peter J ; Sauer, John R ; Smith, Adam C ; Smith, Paul A ; Stanton, Jessica C ; Panjabi, Arvind ; Helft, Laura ; Parr, Michael ; Marra, Peter P

Science (American Association for the Advancement of Science), 2019-10, Vol.366 (6461), p.120-124 [Periódico revisado por pares]

United States: The American Association for the Advancement of Science

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Título:
Decline of the North American avifauna
Autor: Rosenberg, Kenneth V ; Dokter, Adriaan M ; Blancher, Peter J ; Sauer, John R ; Smith, Adam C ; Smith, Paul A ; Stanton, Jessica C ; Panjabi, Arvind ; Helft, Laura ; Parr, Michael ; Marra, Peter P
Assuntos: Air traffic control ; Animal Migration ; Animals ; Avifauna ; Biodiversity ; Bird populations ; Birds ; Canada ; Collapse ; Ecological monitoring ; Ecosystem ; Ecosystems ; Endangered & extinct species ; Endangered Species ; Extinction, Biological ; Grassland ; Integrity ; Meteorological radar ; Net losses ; Population Density ; Population Dynamics ; Radar networks ; Trajectory analysis ; United States ; Weather ; Wildlife conservation ; Wildlife habitats
É parte de: Science (American Association for the Advancement of Science), 2019-10, Vol.366 (6461), p.120-124
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Species extinctions have defined the global biodiversity crisis, but extinction begins with loss in abundance of individuals that can result in compositional and functional changes of ecosystems. Using multiple and independent monitoring networks, we report population losses across much of the North American avifauna over 48 years, including once-common species and from most biomes. Integration of range-wide population trajectories and size estimates indicates a net loss approaching 3 billion birds, or 29% of 1970 abundance. A continent-wide weather radar network also reveals a similarly steep decline in biomass passage of migrating birds over a recent 10-year period. This loss of bird abundance signals an urgent need to address threats to avert future avifaunal collapse and associated loss of ecosystem integrity, function, and services.
Editor: United States: The American Association for the Advancement of Science
Idioma: Inglês

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Decline of the North American avifauna

Rosenberg, Kenneth V ; Dokter, Adriaan M ; Blancher, Peter J ; Sauer, John R ; Smith, Adam C ; Smith, Paul A ; Stanton, Jessica C ; Panjabi, Arvind ; Helft, Laura ; Parr, Michael ; Marra, Peter P

United States: The American Association for the Advancement of Science

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