The dramatic impact on ecosystems of losing top predators is well known. (newscientist.com)
This leads to positive or negative effects on ecosystems, and in turn, either better or worse outcomes than current estimates would suggest. (sciencedaily.com)
A new analysis by dozens of scientists provides a useful update on measured and anticipated impacts of human - driven climate change on ecosystems from western forests to coastal waters. (dotearth.blogs.nytimes.com)