Protected areas defend wildlife from invasive alien species
The invasive grey squirrel (Sciurus carolinensis) has largely displaced the native red squirrels (Sciurus vulgaris) in the UK, and is unanimously recognised by conservationists as posing a serious threat to global ecosystems. (Photo by BirdPhotos.com (BirdPhotos.com) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons)

Protected areas defend wildlife from invasive alien species

Nature reserves, national parks and marine protected areas have been proven to effectively shield native wildlife from the impacts of invasive species, according to a recent study in the journal Global Change Biology.

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