News tagged with freshwater
Over 1,000 fish species 'threatened with extinction'
Nov 03, 2009 |
not rated yet |
0
More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.
Freshwater fish at the top of the food chain evolve more slowly
Jul 28, 2009 |
3 / 5 (1) |
0
For avid fishermen and anglers, the largemouth bass is a favorite freshwater fish with an appetite for minnows. A new study finds that once they evolved to eat other fish, largemouth bass and fellow fish-feeders ...
Seaway's 50th anniversary soiled by invasive species
Jun 26, 2009 |
not rated yet |
0
Fifty years ago Friday, President Dwight Eisenhower and Britain's Queen Elizabeth II walked down a red carpet, climbed aboard a "floating palace" of a yacht named Britannia and ceremoniously sailed through the St. Lambert ...
Declining water quality threatens freshwater fish species with extinction
Jun 11, 2009 |
not rated yet |
0
Increasing urbanisation and more intensive farming are killing New Zealand's freshwater fish species by degrading water quality, says the author of a report published this week by the Ministry for the Environment.
Double trouble for water life
May 18, 2009 |
not rated yet |
1
Excess phosphorus and nitrogen produced by human activities on neighboring land is making its way into our coastal waters and degrading both water quality and aquatic life. Although historically the priority has been to control ...
Competition may have led to new dinosaur species in Grande Prairie area
Other Sciences / Archaeology & Fossils
May 12, 2009 |
4.3 / 5 (7) |
0
(PhysOrg.com) -- The discovery of a gruesome feeding frenzy that played out 73 million years ago in northwestern Alberta may also lead to the discovery of new dinosaur species in northwestern Alberta.
Quagga mussels are clogging Hoover Dam, colonizing lakes and rivers
Mar 02, 2009 |
2.7 / 5 (3) |
1
It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...
Great Lake's sinkholes host exotic ecosystems
Feb 24, 2009 |
5 / 5 (8) |
0
Researchers are exploring extreme conditions for life in a place not known for extremes.
New study identifies economies that will suffer most as climate change imperils fisheries
Feb 05, 2009 |
2.3 / 5 (6) |
2
With climate change threatening to destroy coral reefs, push salt water into freshwater habitats and produce more coastal storms, millions of struggling people in fishery-dependent nations of Africa, Asia and South America ...
Zoologists: Sea snakes seek out freshwater to slake thirst
Biology /
Nov 06, 2008 |
5 / 5 (9) |
0
Sea snakes may slither in saltwater, but they sip the sweet stuff. So concludes a University of Florida zoologist in a paper appearing this month in the online edition of the November/December issue of the journal Physiological an ...
'Armored' fish study helps strengthen Darwin's natural selection theory
Biology /
Aug 28, 2008 |
3.9 / 5 (11) |
8
Shedding some genetically induced excess baggage may have helped a tiny fish thrive in freshwater and outsize its marine ancestors, according to a UBC study published today in Science Express.
