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Tag Archives: food web

Predators as climate helpers

By Janet Raloff / February 18, 2013

This freshwater stickleback eats the tiny animals in stream water that graze on plants and algae. This predation allows those plants and algae to collect and store carbon, rather than letting it escape into the atmosphere. Credit: Nicole Bedford, UBC

In lakes and streams, fish and insects can help protect aquatic plants that gobble up greenhouse gas

Posted in Earth & Sky, Environment & Pollution, Weather & Climate | Tagged algae, bromeliad, carbon dioxide, climate, damselfly, ecology, ecosystem, food chain, food web, getinvolved, global warming, grazers, greenhouse gases, James Estes, John Richardson, phytoplankton, ponds, predators, primary production, Santa Cruz, stickleback, stonefly, streams, topstories, Trisha Atwood, trophic levels, University of British Columbia, University of California, zooplankton

Food Web Woes

By Emily Sohn / March 30, 2007

If sharks disappeared from the oceans, rays might thrive, but shellfish would probably suffer.

Posted in Environment & Pollution | Tagged ecology, fish, food web, overfishing, rays, Shark, sharks

Shrimpy Invaders

By Emily Sohn / January 12, 2007

A shrimplike creature that has invaded the Great Lakes could spell big trouble for young fish.

Posted in Environment & Pollution | Tagged ecology, food web, invasive species