Ecosystems
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Ecosystems
Bad-News Beauties
Discarded aquarium fish are the likely source of an alien species that's breeding in the Atlantic and could threaten economically important U.S. fisheries.
By Janet Raloff -
Ecosystems
Madagascar’s Fantastic Forests
Produced by WBUR in Boston to accompany a special program on Madagascar, this award-winning Web site offers a remarkably detailed look at life on this island, with a focus on the struggle to preserve Earth’s diversity of life. It includes photo galleries, audio clips, videos, maps, and much more. Go to: http://www.wbur.org/special/madagascar/
By Science News -
Ecosystems
Fish as Farmers: Reef residents tend an algal crop
A damselfish cultivates underwater gardens of an algal species that researchers haven't found growing on its own.
By Susan Milius -
Ecosystems
A Chronicle of Coasts: Study charts historical changes in seas, estuaries
New research compares the long-term ecological impact of human activities in estuaries and coastal seas on three continents.
By Ben Harder -
Ecosystems
Top-Down Lowdown: Predators shape coastal ecosystem
The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.
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Ecosystems
Antarctic birds are breeding later
Rising global temperatures are causing Arctic birds to breed earlier in the spring, but for Antarctic birds, the reverse is true.
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Ecosystems
Light All Night
New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.
By Ben Harder -
Ecosystems
Caviar Caveats
Caviar may become harder to find as a new trade ban goes into effect that's aimed at giving the most prized sturgeon a much-needed break from overfishing for their roe.
By Janet Raloff -
Ecosystems
Corals don’t spread far from their birthplaces
Creating a marine protected area might offer only limited benefits to vulnerable corals, because viable coral larvae don't appear to spread far from their points of origin.
By Ben Harder -
Ecosystems
Saving Sturgeon
Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.
By Janet Raloff -
Ecosystems
Forest Field Trip
Take a hike in the woods of Kentucky in this electronic field trip. The site offers an overview of forest ecology and management for grades 4 to 8. It includes video clips, an interactive game, a slideshow about the American chestnut, information about forest careers and tree products, activity pages, and a teacher’s guide. Go […]
By Science News -
Ecosystems
Life Underfoot: Microbial biodiversity takes surprising twist
When it comes to numbers of bacterial species, rainforest dirt is virtually a desert, but desert dirt bursts with biodiversity.