Tundra Biome • This is the almost treeless plain in the northern parts of Asia, Europe and North America. • Winters are long with little daylight, Summers are short, with long daylight hours. • Precipitation is less than mm per year. It is a zone of permafrost.
Tropical Rain Forest Temperate Forest Desert Tundra Taiga (Boreal forest) Grassland Savana / Tropical Grassland Freshwater Marine Ice Fig. . Biomes and their geographical distribution $UFWLF 7XQGUD 7DLJD 6XEDUFWLF 7HPSHUDWH 7HPSHUDWH IRUHVW 7HPSHUDWH JUDVVODQG 7HPSHUDWH IRUHVW 7HPSHUDWH JUDVVODQG 7URSLFDO 'U\ 'HVHUW 'HVHUW +RW &ROG 'HFUHDVLQJWHPSHUDWXUH 6DYDQQD 5DLQIRUHVW 'HFUHDVLQJPRLVWXUH :HW Fig. .
Biomes can be broadly classified as Aquatic biomes and Terrestrial biomes XII Std Zoology Chapter XII Std Zoology Chapter Organisms and Populations • Dwarf willows, birches, mosses, grasses, sedges are the flora here. • Reindeer, arctic hare, musk ox, lemmings are important Tundra herbivores. Some important carnivores are the arctic fox, arctic wolf, bobcat and snowy owl. Polar bears live along coastal areas.
• Because of the severe winters, many of the animals are migratory. For example, the many shore birds and waterfowl such as ducks and geese, nest in the Tundra during the summer and migrate south for the winter.