Articles tagged with Marine Ecosystems
Salmon returns have fallen short of expectations in Alaska, with declines attributed to natural ocean cycles and potential regime shifts. Scientists attribute the changes to shifts in phytoplankton species composition and plankton abundance.
A 1996 hurricane study found that recovery rates increase with dispersal ability and size, while larger organisms are more resistant to moderate disturbance. The researchers also discovered that tidal surges can cause devastation on low-lying islands.
Researchers are studying the effects of the 1989 Exxon Valdez oil spill on Alaskan sea otter populations. Initial results indicate higher levels of an enzyme in otters living near the spill area, suggesting continued exposure to low levels of oil or other contaminants.
The Wildlife Conservation Society (WCS) is working to protect coral reefs worldwide through research, conservation, and management programs. WCS has been studying coral reefs in various locations, including the Belize Barrier Reef, where they have made significant progress with fishery replenishment zones and sea urchin control.