Changing environmental conditions may threaten marine mammal populations by making it harder to find prey, and a new study shows how small, gradual reductions in prey could have profound implications for animal populations.
Plants & Animals
Mar 8, 2023
0
59
For 30 years, two General Electric facilities released about 1.3 million pounds of polychlorinated biphenyls (PCBs) into New York's Hudson River, devastating and contaminating fish populations. Some 50 years later, one type ...
Environment
Feb 17, 2011
1
0
(PhysOrg.com) -- New tracking and observing technologies are giving marine conservationists a fish-eye view of conditions, from overfishing to climate change, that are contributing to declining fish populations, according ...
Ecology
Mar 11, 2009
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0
Fish populations around the world are at risk due to growing levels of pharmaceutical contamination in waterways, according to an international team of researchers from Monash University, the University of Western Australia ...
Plants & Animals
Feb 10, 2021
0
274
As a child in southern California, Ryan Rykaczewski spent a fair amount of time on his grandfather's boat, fishing with him off the Pacific coast near Los Angeles. At the time, he didn't think there was much rhyme or reason ...
Environment
Sep 26, 2014
8
0
Intensive fishing prompts much concern and debate over sustainability of fish stocks, but could it also be driving evolutionary changes that render fish of the future less catchable?
Ecology
Aug 5, 2015
3
147
(Phys.org) -- Warmer water temperatures can greatly increase the reproductive capacity of the widely distributed pest fish species gambusia, or mosquito fish, a new study has found.
Ecology
Apr 10, 2012
0
0
Already ravaged by toxic algae, invasive mussels and industrial pollution, North America's Great Lakes now confront another potential threat that few had even imagined until recently: untold millions of plastic litter bits, ...
Environment
Jul 30, 2013
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0
A research team with members from Spain, Argentina and Italy has found that intense deep sea trawling cuts seafloor biodiversity in half. In their paper published in Proceedings of the National Academy of Sciences, the team ...
Acting like high-rise timeshares in the sea, shipwrecks and other artificial reefs can support dense populations of sharks, mackerels, barracudas, jacks and other large migratory marine predators essential to ocean health, ...
Ecology
Sep 11, 2020
0
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