The lakes in Wyoming's Wind River Mountains historically didn't contain fish, but stocking of trout that began in the early 1900s has created an environment in which hundreds of those lakes now have strong fish populations—some ...
Evolution
Jul 31, 2023
0
84
A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production of methane—while debris from plants found in reed beds actually ...
Environment
May 4, 2018
1
349
When you think of microplastic pollution, plastic debris less than five millimetres in size, you likely envision the ocean —probably because ocean gyres gained notoriety for being a microplastic soup.
Environment
Apr 27, 2018
0
314
As the power of extreme weather events increase with climate change, a team of scientists warn that lakes around the world may dramatically change, threatening ecosystem health and water quality.
Environment
Mar 5, 2020
1
334
Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. But it's what took their place that has scientists fascinated.
Ecology
Feb 23, 2016
2
766
Changes in North American ecosystems over the past 150 years have caused coyotes to move from their native habitats in the plains and southwestern deserts of North America to habitats throughout the United States.
Plants & Animals
Oct 25, 2011
2
0
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 ...
Ecology
Mar 2, 2009
1
0
The world's largest lakes are hit by severe lake heat waves—when water temperatures soar far above normal—six times as frequently as they were about two decades ago, according to a new study. Nearly all severe lake heat ...
Earth Sciences
Feb 24, 2022
2
456
Warmer temperatures are having a ripple effect on food webs in Ontario lakes, according to a new University of Guelph study.
Environment
Mar 22, 2019
5
133
(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.
Environment
Oct 15, 2009
3
0
