Terrestrial Biomes of the World

Terrestrial Biomes of the World - Terrestrial Biomes of the...

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Terrestrial Biomes of the World The study of the distribution of plants is the science of plant geography. The units of vegetation the  plant geographers study vary in size from the basic  community , to groups of communities and their  environment—  ecosystems —to assemblages of ecosystems with distinctive vegetation and growth  forms that extend over large geographic areas—  biomes . Although these three terms each delineate  portions of vegetation that occupy space, the terms imply no size per se. A plant community can be  the lichens and mosses growing on the bark of a single tree trunk, an acre woodlot, or the plant  communities of Yellowstone National Park. So, too, the size of ecosystems varies, although in this  case energy flow and nutrient cycling dynamics determine the boundaries of the ecosystem; that is,  more reactions occur  within  the system than 
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This note was uploaded on 11/14/2011 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.

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