Geologic events such as continental drift and past climatic conditions must be taken into consideration as well. This is the approach used in historical biogeography to study the distributions of flora and fauna throughout the world. Click here . The Olson Vegetation data set represents the world's Major Ecosystem Complexes ranked by the amounts of carbon in live vegetation. Biodiversity hotspots Biodiversity is not evenly distributed on the planet.
Some areas harbor far greater concentrations of living creatures than others.
It shows the distribution and environmental characteristics of naturally occurring wetlands in a total of five data files. Includes a glossary of terms, more than 50 maps, articles, video clips, and a search engine. Prairie Ecology Prairies are extensive tracts of level or rolling land, destitute of trees, covered with coarse grass, and usually characterized by a deep, fertile soil. Experience the beauty and uniqueness of each rainforest. Learn what is necessary to save the rainforests and our environment.