News tagged with river ecosystems

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 ...

dateAug 11, 2011 in Environment
shares0 comments 0

Beetle may pack a big punch in curbing salt cedar

(PhysOrg.com) -- Non-native vegetation’s infiltration to the greater Southwest has caused its share of ecosystem concerns over the years. Now Heather Bateman is looking at the effectiveness of some of the methods employed ...

dateApr 01, 2011 in Ecology
shares0 comments 1

In midst of river cleanup, supporters are divided

(AP) -- Once a dumping ground for chemicals, a stretch of the Housatonic River that winds near this Berkshires hamlet is being scoured in a lengthy, expensive cleanup. Now, dredging other parts of the riverbed is under consideration, ...

dateJul 26, 2010 in Environment
shares0 comments 0

Some Canadian rivers at risk of drying up

(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.

dateOct 15, 2009 in Environment
shares0 comments 3

Shifting Baselines Confound River Restoration

Steep reductions in the abundance of fish, shellfish, and other aquatic fauna in recent centuries are not restricted to animals that live in the sea: historical records show that species in rivers and lakes worldwide also ...

dateSep 01, 2009 in Ecology
shares0 comments 0