The Working Group on Marine Mammal Unusual Mortality Events has closed both UMEs. What caused those events remains a mystery.
Since January 2017, elevated minke whale (Balaenoptera acutorostrata) mortalities have occurred along the Atlantic coast from Maine through South Carolina.
Three adult harbor seals in Puget Sound have tested positive for the Highly Pathogenic Avian Influenza H5N1 strain, marking the first incidence of HPAI in marine mammals on the West Coast, and officials are urging beachgoers to avoid contact with wildlife.
Preliminary results suggest that avian flu and/or phocine distemper virus may be contributing to the elevated seal strandings in Maine, New Hampshire, and Massachusetts since June 1, 2018.
From greenhouse gases to tropical cyclones, and from the South Pole to the Sahara, the 37th issue of the annual State of the Climate report catalogs the climate in 2016.
Over the past few months, a massive toxic bloom of the marine diatom Pseudo-nitzschia, stretching from central California to the Alaska Peninsula, has resulted in significant impacts to coastal resources and marine life. NOAA has been working closely with federal, state, tribal, academic, and other partners to respond to this unprecedented harmful algal bloom (HAB).
A NOAA-sponsored report shows that the warming trend transforming the Arctic persisted in 2017, resulting in the second warmest air temperatures, above average ocean temperatures, loss of sea ice, and a range of human, ocean and ecosystem effects.
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