Biogeography I (Kelt)

Biogeography I (Kelt) - Global Biodiversity 5400 mammals...

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1 Biogeography I Biomes and Ecoregions WFC 10 – D. A. Kelt Global Biodiversity ± 5400 mammals ± 9000 birds ± 6000 reptiles ± 4000 amphibians ± >26,000 fishes ± >250,000 plants ± Upwards of 10-50 million species in total! Understanding the geographical distribution of this diversity is the subject of biogeography. Historical Biogeography : the history of groups of animals and of land masses. Ecological Biogeography : the factors occurring today that influence where species are found, and why. Ecological Biogeography Primer ± Distribution of biomes “A major type of natural vegetation that occurs wherever a particular set of climatic and soil conditions prevail, but that may contain different taxa in different regions” (Lomolino et al. 2006) Ecological Biogeography Primer ± Distribution of biomes Globally, about 6 major forms of terrestrial vegetation 9 Forest 9 Woodland 9 Shrubland 9 Grassland 9 Scrub 9 Desert “A major type of natural vegetation that occurs wherever a particular set of climatic and soil conditions prevail, but that may contain different taxa in different regions” (Lomolino et al. 2006) Tundra Taiga Grasslands Chaparral Desert Alpine Rain Forest Deciduous Forest Savanna Desert Scrub Global Biomes
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2 Tundra Taymir Peninsula, Siberia Tundra Alaska Tundra Arctic willow Mosses Tundra Arctic Fox Red-breasted Goose Musk Ox Snow Bunting Polar Bear Snowy Owl Taiga Canada Taiga Siberia Siberia China Finland
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Biogeography I (Kelt) - Global Biodiversity 5400 mammals...

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