Wyniki wyszukiwania:

Northeast Pacific Shark Biology, Research and Conservation, Part A, Volume 77 highlights the biological attributes of, and the conservation efforts targeted at, populations of vulnerable sharks in the Northeastern Pacific Ocean bordering the west coast of the United States, one of the most economically and ecologically important oceanic regions in the world. Updates in this new volume include chapters on Biodiversity, Conservation and Life History of Northeastern Pacific Chondrichthyans, a Review of current genetic analyses of Northeast Pacific sharks and conservation implications,...

Northeast Pacific Shark Biology, Research and Conservation, Part B, Volume 78, the latest release in the Advances in Marine Biology series contains updated chapters that focus on a variety of topics, including, but not limited to, an Introduction to Northeast Pacific shark biology, ecology, and conservation, Shark Interactions with Directed and Incidental Fisheries in the Northeast Pacific Ocean: historic and current encounters and challenges for shark conservation, An Introduction to modeling abundance and demographic parameters in shark populations, and Sharks in Captivity:...

Sea otters are good indicators of ocean health. In addition, they are a keystone species, offering a stabilizing effect on ecosystem, controlling sea urchin populations that would otherwise inflict damage to kelp forest ecosystems. The kelp forest ecosystem is crucial for marine organisms and contains coastal erosion. With the concerns about the imperiled status of sea otter populations in California, Aleutian Archipelago and coastal areas of Russia and Japan, the last several years have shown growth of interest culturally and politically in the status and preservation of sea otter...