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Biogeography. Introduction January 11 th , 2005. Air Circulation. Profile of the Atmosphere. Cross section of the United States. Levels of Organization. Hydrologic Cycle. The Biotic Components of a Terrestrial Ecosystems. Sun. Oxygen (O 2 ). Producer. Carbon dioxide (CO 2 ).
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Biogeography Introduction January 11th, 2005
The Biotic Components of a Terrestrial Ecosystems Sun Oxygen (O2) Producer Carbon dioxide (CO2) Secondary consumer (fox) Primary consumer (rabbit) Producers Falling leaves and twigs Precipitation Soil decomposers Water Soluble mineral nutrients
Metallic wood- boring beetle and larvae Metallic wood-boring beetle and Mountain winterberry Mountain winterberry May beetle May beetle Long-tailed weasel Long-tailed weasel Deciduous Forest Animals Broad-winged hawk Producer to primary consumer Hairy woodpecker Primary to secondary consumer Gray squirrel White oak Secondary to higher-level consumer White-footed mouse White-tailed deer All producers and consumers to decomposers Shagbark hickory Racer Fungi Wood frog Bacteria
Detritus feeders Decomposers Bark beetle engraving Carpenter ant galleries Termite and carpenter ant work Long-horned beetle holes Dry rot fungus Wood reduced to powder Mushroom Powder broken down by decomposers into plant nutrients in soil Time progression Detritivores and Decomposers
Gross Primary Productivity Levels of GPP Red(highest),Orange,Yellow,Green,Blue(lowest)
The Demise of Bison 1500 1850 1870 1880 1906
Passenger pigeon Dusky seaside sparrow Great auk Dodo Aepyornis (Madagascar) Animals Driven to Extinction
Florida manatee Northern spotted owl (threatened) Bannerman's turaco (Africa) Gray wolf Florida panther Devil's hole pupfish Black-footed ferret Snow leopard (Central Asia) Utah prairie dog (threatened) Symphonia (Madagascar) Oahu tree snail California condor Black lace cactus Ghost bat (Australia) Black rhinoceros (Africa) Endangered and Threatened Species
Accidentally Introduced Species Sea lamprey (attached to lake trout) Argentina fire ant Brown tree snake Eurasian muffle Common pigeon (Rock dove) Formosan termite Zebra mussel Asian long-horned beetle Asian tiger mosquito Gypsy moth larvae
World Population Fig. 1-1 p. 2
Human Disturbance Arctic Circle Tropic of Cancer Equator Tropic of Capricorn Antarctic Circle Predominantly natural Partially disturbed Human dominated
Biosphere Reserves Biosphere Reserve Human settlements Tourism and education center Research station Core area Buffer zone 1 Buffer zone 2