News tagged with food chains

Two-thirds drop in large fish numbers in 100 years

Overfishing has significantly reduced the populations of larger species of marine fish. In fact, stocks of large fish have declined by two-thirds in one century. These findings come from an international ...

dateJan 16, 2015 in Ecology
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Calcium loss turning lakes to 'jelly'

New research on a number of Canadian lakes show that historical acid deposits as a result of industry have greatly reduced calcium levels in the water - dramatically impacting populations of calcium-rich ...

dateNov 18, 2014 in Ecology
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A global view of oceanic phytoplankton

University of Maine oceanographer Ivona Cetinic is participating in a NASA project to advance space-based capabilities for monitoring microscopic plants that form the base of the marine food chain.

dateJul 18, 2014 in Earth Sciences
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