One of the first broad looks at how well tropical reserves protect biodiversity has found that while some are relatively stable, others are in decline due to conditions just beyond their borders.
This red-eyed tree frog (Agalychnis callidryas) lives on Panama’s Barro Colorado Island, one of many protected areas whose biodiversity is under threat.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.