A new study tracking Arctic animals' exposure to tularemia found Arctic foxes and Arctic ground squirrels showed the highest percentages with antibodies in the blood to fight the disease. (via AlaskaBeacon)
to snowshoe hares, said Ken Tape, a University of Alaska Fairbanks ecologist. “What we know is their habitat is increasing across the tundra habitat of Alaska,” said Tape, who was not involved in the tularemia study. He has, instead, been , including beavers and moose, that are becoming established in farther-north areas as woody shrubs take root on the tundra.
There are signs in the new study and others that climate change is causing Alaska polar bears to become increasingly at risk of tularemia. The average 13.3% seroprevalence for the tested polar bears in the new study compares to an average 4.
All that information combines to raise an obvious question about Alaska polar bears’ adjustment to diminished sea ice, Smith said: “If they’re spending more time on land, are they being exposed to disease or a host of diseases that they wouldn’t be otherwise?”F. tularensis -exposure antibodies in those three species — greater white-fronted geese, lesser snow geese and black brant.
There has been very little tularemia-focused testing of Arctic-nesting birds in Alaska or other polar regions, so the information about antibodies in geese is an important addition to the record, the study authors said., the Department of Fish and Game has warned people that their pet animals can pick up the disease from infected hares or rodents., too, but that happens only rarely.
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