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Smaller forests are hurting some species and helping others

A forest fragment. Photo: Carlos Peres

Human encroachment into forests that is parceling dense forestry into smaller and smaller areas called forest edges, is affecting 85% of forest vertebrates — sometimes positively (46%) and sometimes negatively (39%), an international team of researchers said in a study published in Nature Wednesday.

Why it matters: Study author Marion Pfeifer tells Axios it's "fair to say that we did not expect to find a relatively high proportion of species actually 'winning' when forest fragmentation occurs. However, we do emphasize that the species that lose out under forest fragmentation, i.e. the species we call forest core species...are more likely to be species that are already of conservation concern."