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Published byNathaniel Malone Modified over 9 years ago
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Fig 55.1 Multiple levels of biodiversity
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Ecosystem services: Pollination
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Of the top 150 prescription drugs in US: 74% from Plants 18% from Fungi 5% from Bacteria 3% from Snakes
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Fig 55.3 Ecosystem services: Drugs
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Ecosystem services: Flood control
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Ecosystem services: Erosion control
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When ecosystem services fail Photo A. Gutierrez, http://www.honduras.com/archive-photos/ag-nov98/disk06/mvc011f.jpg
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Ecosystem services: Clean air
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Biophilia
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Year 18741996 1963 Salmon in Columbia River (millions of pounds)
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Great Auk, 1844. Cause: hunting.
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Passenger pigeon, 1914 Cause: hunting, habitat loss.
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Carolina Parakeet, 1935 Cause: hunting, habitat loss.
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Ivory-billed woodpecker, 1940 Cause: habitat loss.
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Dusky Seaside Sparrow, 1987 Cause: habitat loss. Last captive birds died at Disney World.
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California Condor, 1983 Cause: habitat loss, hunting. 20 remaining wild birds captured. http://www.lanecc.edu/science/russin.htm
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Fig 55.6 Forest cover of Cadiz Township in Wisconsin
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Fig. 53.25 Species number increases with habitat area
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Fig 55.7 Introduced species
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Fire ant distribution
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Biodiversity crisis – the causes Human population increase Increased per capita resource use
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Fig 55.14 A case study: the red cockaded woodpecker
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Historical range of long-leaf pine forest and woodpecker
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Long-leaf pine ecosystem maintained by fire Fran James
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Good Red Cockaded Woodpecker habitat Fran James
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Chromatogaster ashmeadi favorite food of Red-Cockaded Woodpeckers Research in Review
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Ants live in galleries in bark of long-leaf pine
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Made by the larvae of this uncommon moth - Givira francesca
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Larval feeding by Givira
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