Wednesday, 23 May, 2012

If predators devour prey, how do predators survive once the prey are dead? Ecology benefits when the locations of prey and predators are taken into account, a study shows.

Alien earthworms are killing trees in northern deciduous forests. Are fishing people to blame?

Wolf returns to Yellowstone National Park through species reintroduction effort. Why bother bringing back native species?

Wildfires can be helpful. Controlled burns are key to restoring habitat for the Northern Idaho ground squirrel.

Tropical botanists strive to save rain forest plants and ecosystems. What is the role of plants in traditional society? Can plant-derived chemicals become a valuable commodity — and help preserve natural places?

Study finds that many fish are getting more common; blames state fish-stocking efforts for the homogenization.

Malaria parasite changes sex ratio to promote reproduction.

What is evolution by natural selection and what is the evidence for evolution? Some fishy fossils from 375 million years ago may be a missing link showing how fish moved from water to land.

How wildlife is changing our cities and suburbs: Cats kill birds. Deer destroy plants. Raccoons deal death.

Diseases in the oceans are making people sick: Sewage, cholera, toxic algae, pollution on the reef. We’re afraid to say it’s enough to make a swimming pool sound good!