May 8, 2023 · Based on sea otter diving behavior, a study by the USGS suggested that sea otters in the most heavily impacted areas were still being exposed to oil on a regular basis, resulting …

sea otter presence exceeded losses to shellfish fisheries many times over. A 2006 study of California sea otter ecotourism in Santa Barbara and Ventura counties estimated a tourism …

Southern Sea Otter Population Trends (3-yr Avg Index) Total CA wide index Delisting Threshold Mainland Total Mainland Independents San Nicolas Total San Nicolas Independents California …

Aug 28, 2017 · Sea otters live in shallow coastal waters in the northern Pacific Ocean. Two sea otter subspecies occur in the United States, the southern sea otter (Enhydra lutris nereis) and …

Southern sea otter counts 1983–2019. Bars show raw counts for each year for the central California mainland and San Nicolas Island (SNI), whereas lines represent 3-year running …

Conclusions: Sea otter ecosystem effects vary between coastal habitats Kelp forests • primary productivity, species diversity, enhanced nursery habitat for fish, shoreline stability, carbon …

and 2002, the southwest Alaska sea otter population has declined by at least 56–68 percent overall and currently numbers about 41,000 animals. Survey data show that sea otter …

Capture and relocation of sea otters would expose them to increased risks of mortality and could result in widespread disruption of the southern sea otter population as a whole. Zonal …

deaths of stranded sea otters and the addition of complementary studies of sea otter foraging; • annually review and update the southern sea otter stock assessment report; and • consult with …

• Indications that sea otter populations were historically managed for sustainability. • Sea otter bone presence in middens along outside waters as well as inside waters. • Likely hunted just …