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Everything from genes to ecosystems
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John Muir (1838-1914)- , ,
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Yellowstone Natoinal Park
Giffort Pinchot (1865-1946) , The Fight for Conservation (1910)
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Aldo Leopold (1887-1948) ,
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--, 1992
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Erysiphe alphitoides
Phellinus robustus
Macrolepiota excoriata
Boletus edulis
Russula sp.
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S
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S = si
(. sampling) , ()
(. collection) , ( )
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(. number)
()(. abundance)
(ni) (-)
(pi) (-) .
ni - N
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