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- Sea_otter_conservation abstract "Modern efforts in sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. By 1911, hunting for the animal's luxurious fur had reduced the sea otter population to fewer than 2000 individuals in the most remote and inaccessible parts of its range.During the 20th century, sea otter populations recovered from remnant populations in the far east of Russia, western Alaska, and California. Beginning in the 1960s, efforts to translocate sea otters to previously populated areas were also successful in restoring sea otters to other parts of the west coast of North America. Populations in some areas are now thriving, and the recovery of the sea otter is considered one of the greatest successes in marine conservation.In two important parts of its range, however, sea otter populations have recently declined or have plateaued at depressed levels. In the Aleutian Islands, a massive and unexpected disappearance of sea otters has occurred in recent decades. The cause of the decline is not known, although the observed pattern of disappearances is consistent with a rise in orca predation. Sea otters give live birth. In the 1990s, California's sea otter population stopped growing for reasons that are probably different from the difficulties facing Alaska's otters. A high prevalence of infectious disease in juveniles and adults has been found to cause many sea otter deaths, however it is not known why California sea otters would be more vulnerable to disease than populations elsewhere. Other threats to sea otters are well-known. In particular, sea otters are highly vulnerable to oil spills, and a major spill can rapidly kill thousands of the animals. The IUCN lists the sea otter as an endangered species.".
- Sea_otter_conservation thumbnail Sea_otter_pair2.jpg?width=300.
- Sea_otter_conservation wikiPageExternalLink otterproject.org.
- Sea_otter_conservation wikiPageExternalLink seaotters.org.
- Sea_otter_conservation wikiPageExternalLink www.saveseaotters.org.
- Sea_otter_conservation wikiPageID "15602972".
- Sea_otter_conservation wikiPageRevisionID "593655181".
- Sea_otter_conservation hasPhotoCollection Sea_otter_conservation.
- Sea_otter_conservation subject Category:Mammal_conservation.
- Sea_otter_conservation subject Category:Otters.
- Sea_otter_conservation type Abstraction100002137.
- Sea_otter_conservation type AnimalMaterial114755804.
- Sea_otter_conservation type AnimalProduct114700745.
- Sea_otter_conservation type AnimalSkin114758842.
- Sea_otter_conservation type Fur114764061.
- Sea_otter_conservation type Material114580897.
- Sea_otter_conservation type Matter100020827.
- Sea_otter_conservation type Otter114765785.
- Sea_otter_conservation type Otters.
- Sea_otter_conservation type Part113809207.
- Sea_otter_conservation type PhysicalEntity100001930.
- Sea_otter_conservation type Relation100031921.
- Sea_otter_conservation type Substance100019613.
- Sea_otter_conservation comment "Modern efforts in sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico.".
- Sea_otter_conservation label "Sea otter conservation".
- Sea_otter_conservation label "ラッコの保護活動".
- Sea_otter_conservation sameAs ラッコの保護活動.
- Sea_otter_conservation sameAs 해달보호활동.
- Sea_otter_conservation sameAs m.03mh4ry.
- Sea_otter_conservation sameAs Q7440116.
- Sea_otter_conservation sameAs Q7440116.
- Sea_otter_conservation sameAs Sea_otter_conservation.
- Sea_otter_conservation wasDerivedFrom Sea_otter_conservation?oldid=593655181.
- Sea_otter_conservation depiction Sea_otter_pair2.jpg.
- Sea_otter_conservation isPrimaryTopicOf Sea_otter_conservation.