Harbour porpoises prefer temperate and subarctic waters. Hemiboreal means halfway between the temperate and subarctic (or boreal) zones. For example, reforestation in boreal or subarctic regions has less impact on climate. The mountain ranges have subarctic and tundra climates. They are distributed throughout the subarctic and temperate northern hemisphere. Sturgeon range from subtropical to subarctic waters in North America and Eurasia. It is a circumpolar breeder in Arctic or subarctic regions. Northwest Coast, Plateau, Plains, Eastern Woodlands, Subarctic, and Arctic. Boreal forests, however, are an exception as they are found in subarctic regions. Quebec is divided into four climatic zones&colon; arctic, subarctic, humid continental and East maritime. This species is the woodcock found through most of temperate and subarctic Eurasia. From the west climates vary from maritime and maritime subarctic climates. Arctic land is bordered by the subarctic. It lies in both the Arctic and subarctic climate zones. Aufeis is layered ice that forms in Arctic and subarctic stream valleys.