Freshwater ecosystems account for half of global emissions of methane, a potent greenhouse gas that contributes to global warming. Rivers and streams, especially, are thought to emit a substantial amount of that methane but the rates and patterns of these emissions at global scales remain largely undocumented. Now, thanks to an international effort to better …
MADISON – In many parts of the Northern Hemisphere, frozen lakes define the winter experience and create an indelible sense of place. From ice fishing and hockey to skating, skiing and snowmobiling, icy lakes enable communities to engage in activities that aren’t possible in warmer seasons or climates. But these iconic cold-weather past-times could become …
Here’s a new wrinkle to the aquatic food web – the first documented record of fish preying on birds in flight. Meet the African tigerfish and one unlucky barn swallow. We discovered the amazing film on the website of the journal, Nature. But it stems from a new article in the Journal of Fish Biology …