An emerging research method to gauge the benefits of stream restoration for salmon and other native fish is revealing improvements in fish numbers, survival and reproduction in key rivers across the Pacific Northwest, according ...
Ecology
Feb 1, 2016
0
598
The different species of barbels in Lake Tana in northern Ethiopia have evolved from a common ancestor. When biologists from Wageningen University first described the fifteen species over twenty years ago, it was not yet ...
Ecology
Oct 9, 2015
0
19
When trying to explain the potential effects of climate change on plants, fish and wildlife, scientists usually resort to language that fails to convey the impact of warming. Now, a study by Penn State's College of Agricultural ...
Ecology
Aug 20, 2015
1
157
As one of the most highly prized game fish in the upper Midwest, muskellunge (also known as muskies) and northern pike help support a $20 billion sport fishing industry. Facing declines in natural reproduction, a team of ...
Ecology
Jun 4, 2015
0
11
Pallid sturgeon come from a genetic line that has lived on this planet for tens of millions of years; yet it has been decades since anyone has documented any of the enormous fish successfully producing young that survive ...
Ecology
Jan 23, 2015
0
129
Endangered Snake River sockeye salmon are regaining the fitness of their wild ancestors, with naturally spawned juvenile sockeye migrating to the ocean and returning as adults at a much higher rate than others released from ...
Ecology
Nov 25, 2014
0
1
East Tennessee is among the country's most biodiverse regions for freshwater fish. In an abundance of shapes and colors, they swim in mountain streams and lowland lakes, sometimes ending up next to a side of garlic-mashed ...
Environment
Nov 5, 2014
1
0
The challenge and excitement of catching a large fish makes shark fishing very appealing for recreational anglers. However, many species of sharks have experienced population declines due to commercial overfishing. Although ...
Ecology
Sep 24, 2014
0
0
Think of the pressure change you feel when an elevator zips you up multiple floors in a tall building. Imagine how you'd feel if that elevator carried you all the way up to the top of Mt. Everest – in the blink of an eye.
Ecology
Apr 14, 2014
0
0
Federal government changes to Canada's fisheries legislation "have eviscerated" the ability to protect habitat for most of the country's fish species, scientists at the University of Calgary and Dalhousie University say in ...
Ecology
Nov 7, 2013
0
0
