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Umberto Gallo-Orsi on Muck Rack

Umberto Gallo-Orsi

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Articles

African savanna raptors show evidence of widespread population collapse and a growing dependence on protected areas - Nature Ecology & Evolution

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By Phil Shaw, Darcy Ogada, Arjun Amar, Marc Herremans, Corinne J. Kendall, Christian Rutz, Andre Botha, Umberto Gallo-Orsi, Campbell Murn
| Nature Verified
Abstract The conversion of natural habitats to farmland is a major cause of biodiversity loss and poses the greatest extinction risk to birds worldwide. Tropical raptors are of particular concern, being relatively slow-breeding apex predators and scavengers, whose disappearance can trigger extensive cascading effects. Many of Africa’s raptors are at considerable risk from habitat conversion, prey-base depletion and persecution, driven principally by human population expansion.
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