The CNL, by comparison, is a master's-prepared advanced generalist. Education and preparation are broad with no specialization. Evidence-based practice is assimilated and applied to the microsystem in which the CNL functions.
Tundras are among Earth's coldest, harshest biomes. Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy and rainfall is scant. Tundra lands are snow-covered for much of the year, until summer brings a burst of wildflowers.
Classification. The tundra biome is classified within the following habitat hierarchy: Biomes of the World. The tundra biome is divided into the following habitats: 1  Arctic and Antarctic tundra-Arctic tundra is located in the Northern Hemisphere between the North Pole and the boreal forest.2  Alpine tundra-Alpine tundra is a high-altitude habitat that occurs on mountains around the world.lassification. The tundra biome is classified within the following habitat hierarchy: Biomes of the World. The tundra biome is divided into the following habitats: 1  Arctic and Antarctic tundra-Arctic tundra is located in the Northern Hemisphere between the North Pole and the boreal forest.