Sharks off the east coast of North America have declined precipitously in the last 15 years. The number of hammerhead sharks has dropped by 89%,
Many pollution-related mechanisms degrade ecosystems and maintain them at degraded states. Some of the pollution topics are addressed below. Oil PollutionPersistent Organic Pollutants (POPs)Dead ZonesMarine DebrisNoise Pollution
Seasonal change in habitat use in Steller’s sea eagles By: Mutsuyuki Ueta, Michael J. McGrady, Hajime Nakagawa, Fumio Sato and Vladimir B. Masterov Abstract Habitat-use
Information suggests that Pacific sleeper shark abundance is increasing. Pacific sleeper shark data was analyzed from fishery independent longline surveys in the Gulf of Alaska
Sleeper sharks are often caught on commercial sablefish long-line gear in Alaska with consistent catches in Prince William Sound and Southeast Alaska waters. Sleeper sharks
More than 70% of out planets surface is covered by ocean. We rely on it for many things including food, transport and pleasure. However, in
Bear Behavior One of the things that makes Alaska so special is that all three species of North American bears flourish here. There is a
Predators can impact ecosystems through the process of ‘top-down’ control, at times resulting in changes in species composition, changes in species diversity, and regime shifts.
Ecosystem-based management is dependent upon scientific research to determine the ecological interactions and processes necessary to sustain ecosystem composition, structure and function in the environments
[et_pb_section admin_label=”section”] [et_pb_row admin_label=”row”] [et_pb_column type=”4_4″] [et_pb_text admin_label=”Text”] The following article was published in the May-June 2000 issue of E-Magazine: March of 1989 was the
