Predators as climate helpers
In lakes and streams, fish and insects can help protect aquatic plants that gobble up greenhouse gas
By Janet Raloff, 17:25 PM February 18, 2013
Too few bugs or fish could affect Earth’s climate in a big way, by contributing to the buildup of heat-trapping gases in the atmosphere, a new study finds. It’s a surprising example of what can happen when communities in nature become unbalanced.
Freshwater fish and insects normally feed on smaller aquatic animals. These include microscopic organisms called zooplankton. Those smaller guys in turn graze on algae and plants in the water. Those plants and algae don’t just sit at the bottom of...
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