The most recorded population in found in alaskan waters off the coast.
View Sea Otter Population Trends Worksheet Images. — high site fidelity of females. How we used to think about regional sea otter populations
Saving Sea Otters Learning Return To The Wild from www.canadiangeographic.com
Methodological details are reported by doroff et al. Sea otter population trends in the andreanof islands of the aleutian island chain, southwestern population stock, usa 1990=2006. Nicholas island colony still remain.
Sea otter population declines after the onset of the pacific maritime fur trade, which began in earnest in 1743, were rapid and precipitous.
Without otters, sea urchins populations explode, and the kelp forests are decimated, in that urchins eat the kelp. Methodological details are reported by doroff et al. Pass out the sea otter spotter graphing activity worksheet, which will provide instructions for students, and provide students with the attached excel give each student the sea otter growth and population report worksheet. The sea otter population information usually present is primarily based on counts of relative abundance with the exception of a few areas in alaska where survey specific correction factors are determined and applied to the total count.
