A potential response of river fish to environmental changes is to colonize new habitats. But what happens when dams and weirs restrict their movement? And are native and alien species similarly affected? Researchers from ...
Plants & Animals
Sep 14, 2020
0
12
World maritime trade grows each year, aided by canal waterways that connect oceans and reduce shipping time, energy consumption and carbon emissions. Following recent expansions of the Panama and Suez canals, non-native fish ...
Ecology
Sep 1, 2020
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225
Twenty-two native freshwater fish have been identified as likely to become extinct within the next twenty years, unless there is new conservation action, according to new research.
Plants & Animals
Aug 14, 2020
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15
The latest environmental report on New Zealand's lakes and rivers reiterates bleak news about the state of freshwater ecosystems, and warns that climate change will exacerbate existing threats.
Ecology
Apr 16, 2020
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25
On Friday I flew in a helicopter over the fire-ravaged Kosciuszko National Park. I was devastated by what I saw. Cherished wildlife species are at grave risk of extinction: those populations the bushfires haven't already ...
Plants & Animals
Jan 28, 2020
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12
Sometimes scientists make mistakes. Case in point is the chanchita, a South American freshwater fish that has been swimming in Florida's waters for at least two decades, all the while identified by experts as another invader, ...
Ecology
Jan 8, 2020
1
15
Sport fish have declined significantly in portions of the Upper Mississippi River infested with Asian carp, adding evidence to fears about the invader's threat to native species, according to a new study.
Ecology
Nov 16, 2019
3
347
Habitat improvements in the Laramie River intended to boost the brown trout fishery also have benefited native nongame fish, according to newly published research by University of Wyoming scientists.
Plants & Animals
Oct 28, 2019
0
4
A new technique developed by University of Alberta biologists can determine whether certain fish populations are native to lakes in national parks.
Plants & Animals
Sep 19, 2019
0
89
Researchers at the University of Western Australia have developed a robotic fish that behaves like a bodyguard for native species and safeguards them against the aggressive attitudes of invasive pests.
Plants & Animals
Jul 17, 2019
0
7
