What is an invasive species?Plants, animals, or other organisms become invasive:(1) when they are transported (primarily by human actions) into a new ecosystem,(2) where they are non-native (alien), (3) and cause or are likely to cause economic or environmental harm or harm to human health.What species have invaded the Alaska Maritime Refuge?Arctic and red foxesNorway rats, black rats, house and deer miceArctic ground squirrelsHoofed animals (reindeer, caribou, cattle, sheep, horses)Others (voles, hares, hoary marmots, plants)
What damage have these alien animals caused on the refuge?
Why are islands more at risk from invasive species?
What can be done?
What is being done about invasive species on the refuge?(1) Prevention (Quarantine)
3) Restoration of Native Wildlife
Learn moreCaribou Control on Kagalaska Island
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As a young army officer during World War II, Jones was among the first troops to go ashore at Adak in the central Aleutian Islands, that arc of submarine volcano peaks that extends from Alaska toward Siberia. He loved the treeless tundra, found the fierce winds invigorating and saw the snow-covered volcanic peaks as needing to be climbed.