Bio1_04_Biosphere - 1 2 14 15 16 1 2 17 18 19 20 21 22...

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1 Self-Quiz 1. What are species richness & species diversity? 2. How do islands differ in diversity? 3. How does coevolution influence each type of species interaction? 4. How is secondary succession similar to primary succession? How does it differ? 5. How does energy move in an ecosystem? Overview • Ch. 45: Ecosystem Ecology – Biogeochemical cycles • Ch. 46: Major Ecosystems of the Biosphere – Climate – Terrestrial biomes – Aquatic ecosystems 1 2 Climate • Affected by: – Solar radiation – Prevailing winds – Elevation Effect of Solar Radiation Effect of Solar Radiation • Solar energy – Directly onto equator •Tropics: 23.5 ° N to 23.5 ° S – Glancing at poles – Seasons due to tilt of earth • Global wind circulation – Cool, dry air descends ~ 30 ° – Wet air rises at ~ 60 ° – Cold, dry air descends at poles – Earth’s rotation affects wind patterns Prevailing Wind Patterns • Equatorial doldrums • Trade winds • Westerlies Other Effects on Climate • Topography – Mountains can have a rain shadow • Coastal breezes • Monsoon season – Wet ocean winds blow onshore (land warmer than ocean) • “Lake effect” Exercise 4 • Think, Pair, Share • Topic: What factors affect the climate here in Southern California? – Give specific examples for each factor.
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Bio1_04_Biosphere - 1 2 14 15 16 1 2 17 18 19 20 21 22...

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