1intro - - explain how thru experimentation- in lab but...

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BIO 20 INTRO 1 INTRODUCTION 1. ECOLOGY definitions - “study of oikos” (Greek for home) • study of biological relationship between organisms & environment - abiotic vs biotic factors - esp. distribution & abundance - not synonymous with environment environmental science environmental studies - includes more human focus 2. UNITS OF ECOLOGY organism - single individual population - same species symbiosis - two different species community - all species ecosystem - plus abiotic 3. LEVELS OF ENVIRONMENT habitat vs niche - location vs ecological role ecosystem - specific environment biomes - large regions of similar vegetation - examples: tundra, grassland, desert zoogeographical realms - large regions of similar animals biosphere - global ecosystem - 8-10 km of soil, water, air 4. HISTORY descriptive ecology - 19th century - describe what + when - observations by naturalists
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BIO 20 INTRO 2 functional ecology - early 20th century
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Unformatted text preview: - explain how thru experimentation- in lab but especially in field- energy/food & molecules in ecosystem theoretical ecology - mid-20th century- explain why evolved- thru calculus, models, & simulations 5. APPLIED ECOLOGY applied ecology - mid-20th century- apply academics to natural resources wildlife management- orig. fish & game for sport- now also non-game species conservation biology- protect & increase endangered pops restoration ecology- orig. forestry & range management- now also restore natural habitats 6. ENVIRONMENTAL MOVEMENT late 19th century- begin modern conservation movement- response to industry & urbanization- esp. natl. parks & showcase animals 1930-40s - limited influence- chronicle habitat destruction since 1960s - gain public awareness- Silent Spring (Rachel Carson 1962)- Population Bomb (Paul Ehrlich 1968)- Deep Ecology (Bill Devall 1985)- Earth Day 1970 & 1990...
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1intro - - explain how thru experimentation- in lab but...

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