Ecosystems similar to arctic national Wildlife Refuge?

Ecosystems similar to the Arctic National Wildlife Refuge include the tundra regions of Alaska, northern Canada, and Greenland, characterized by their extreme cold, permafrost, and low biodiversity. Additionally, other Arctic and sub-Arctic areas, such as the Siberian tundra in Russia and the high-altitude tundra of the Rocky Mountains, share similar ecological features. These ecosystems support unique flora and fauna adapted to harsh conditions, including migratory birds, caribou, and various mosses and lichens. Collectively, they play vital roles in climate regulation and serve as critical habitats for numerous species.