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 …

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

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 …

• 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 …

otter foraging data from the past decade and determined that crabs of all species comprised 52% of the total diet of sea otters foraging on or near eelgrass beds in Elkhorn Slough, with crabs …

Southern sea otter resting in a small patch of kelp. (Lilian Carswell, FWS) Coastal Zone Management Act. The Coastal Zone Management Act was passed in 1972 to encourage …

Alaska Peninsula sea otter management unit. It also is possible that the Department of the Interior will include lease sales in the North Aleutian Shelf area in future lease sale plans. The …