News tagged with food chains

Arctic home to mysterious mercury deposits

More mercury is deposited in the Arctic than anywhere else on the planet. Norwegian NTNU researchers think one explanation for this may lie in the meteorological conditions in the Arctic spring and summer.

Feb 01, 2011
5 / 5 (1) 0

Microbes on the menu

The functioning of marine ecosystems depends on the size and flavor of microbes at the base of the food chain. Changes to the Earth's atmosphere might rearrange that microscopic menu. Microbes that currently ...

Jul 28, 2010
1 / 5 (1) 0

Oil leases a threat to fishery ecosystem

(PhysOrg.com) -- The issuing of oil drilling licences off the coast of South Australia poses a serious potential threat to the ecosystem that underpins the nation?s most valuable fishing industry, a Flinders University oceanographer ...

Jul 07, 2010
4.5 / 5 (2) 0

Can Whales and Dolphins Adapt to Oily Gulf?

(PhysOrg.com) -- The dead sperm whale found this week in the Gulf of Mexico puts the spotlight on how the BP oil spill will affect this endangered mammal, along with other cetaceans, such as dolphins, that ...

Jun 25, 2010
4.3 / 5 (7) 19 | with audio podcast