Climate change is causing ecosystem shifts in the North that are affecting animals and hunters. Via highcountrynews
in parts of the Yukon-Kuskokwim Delta and in the nearby Togiak National Wildlife Refuge. “From the early ‘90s to now, we’ve seen at least a 400-fold increase in the moose population , which has tremendous effect on the environment,” said Sebastian Zavoico, a master’s student at the University of Alaska Fairbanks. A rise in moose predators, including bears, could be among the possible consequences. There might also be physiological changes to the shrubs moose eat.
But Zavoico is careful not to equate correlation with causation. For years, hunting and habitat management have aimed to boost moose populations in the refuge. Still, he said, the fact that moose are expanding in other western areas of the state suggests that climate change is also propelling the population boom. “It’s important to understand why been expanding in the past so that we can better manage for the future,” Zavoico said.
The Mulchatna caribou herd in southwest Alaska is a traditional food source for villages from the Yukon-Kuskokwim Delta to Bristol Bay. For several years, however, the herd’s numbers have fallen below half the minimum population objective of 30,000 individuals.
This fall and winter, bag limits for local hunters are more liberal than usual in parts of Bristol Bay and the Yukon-Kuskokwim Delta: These hunts will allow people to harvest two moose each, and some of the harvested animals can be “antlerless,” or female. This could help moose as well as people: Managers don’t want the moose populations to outstrip the capacity of their winter food sources.
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