News tagged with river ecosystems

US urges Laos to address mega dam concerns

The United States urged caution on plans by Laos to build a multibillion-dollar dam that has raised environmental concerns from neighboring nations, saying its impact was still "unknown."

Nov 06, 2012
1 / 5 (1) 0

Droughts could cause collapse of food webs

(Phys.org)—Critically low water levels in many rivers could lead to the partial collapse of food webs that support aquatic life, according to a study co-authored by a University of Leeds researcher.

Sep 11, 2012
5 / 5 (1) 0

Cod has a key role in the whole Baltic Sea

A new investigation put in evidence the key role of cod as regulator of the whole Baltic Sea ecosystem. The study shows that when the cod population in the central Baltic increases, it spreads into larger ...

Apr 18, 2012
4 / 5 (1) 0

Scientists confirm Himalayan glacial melting

Glaciers in the Himalayas have shrunk by as much as a fifth in just 30 years, scientists have claimed in the first authoritative confirmation of the effects of climate change on the region.

Dec 05, 2011
3.7 / 5 (3) 1

Urban impacts on phosphorus in streams

Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...

Aug 11, 2011
5 / 5 (1) 0