BIOB50H3 Lecture Notes - Lecture 2: Polychaete, Understory, Radiant Energy
8 Sep 2017
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Document Summary
Everywhere where life exists on the planet. Between the lithosphere (earth"s surface crust and upper mantle) and the troposphere (lowest layer of atmosphere) Types of biomes: tropical rainforests, tropical seasonal forests and savannas, deserts, temperate grasslands, temperate shrublands and woodlands, temperate deciduous forests, temperate evergreen forests, boreal forests (taiga, tundra. Climograph of major biomes in north america: biomes can have overlaps in suitable conditions. !1: which biome is present often depends on factors such as disturbances (e. g. grazing, res), human activities, climate extremes. Some mountain zones can have latitudinal changes due to elevation, like biomes do. Human activities impact global biome distributions e. g. getting rid of forests to get more grassland to get species like deer because you want them. 10n to 10s, found in the low-latitude tropics. More than 2000mm annual precipitation; most in danger from climate change. Soil: nutrient-poor because they"re in trees, acidic, rapid decomposition; not much variation.
