bio213lecture8

bio213lecture8 - BIOLOGY 213 Week #10 Lecture Outline:...

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1 BIOLOGY 213 Week #10 Lecture Outline: California Habitat and Biological Diversity Habitats and Populations Human Population Growth Community Interactions Supplemental Reading: Online Textbook Chapter 55: Population Ecology and Chapter 56: Community and Ecosystem Dynamics CALIFORNIA 200 miles wide; 800 miles long; 160,000 square miles in area N-S trending mountains along coast and interior Large central valley Smaller valleys in coast ranges (Napa, Salinas, etc.) Large desert areas California Topography Very diverse topography Highest point in continental U.S. Mt. Whitney 14,495 ft And lowest point Death Valley 276 feet below sea level California Climate Portions of California, such as San Luis Obispo, have a Mediterranean climate Mild, wet winters and warm, dry summers
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2 Climate Coastal areas Mild daily and seasonal temperatures High mountains Extreme seasonal and daily temperatures Locations a short distance apart may have very different climates and vegetation Temperature Ranges Source: Atlas of the Biodiversity of California , State of California Department of Fish and Game Precipitation Northwest climatic regions - ~ 100 inches/year Moist temperate rain forests Southeastern arid regions - ~ 2 inches/year Hottest, driest deserts in the world (e.g., Death Valley) Source: Atlas of the Biodiversity of California , State of California Department of Fish and Game Influence Of Topography and Elevation Precipitation and temperature patterns vary greatly with elevation and major topographic features Precipitation increases and temperature decreases with elevation due to the orographic effect. The Orographic Effect Moist marine air causes precipitation on the western slopes, temperature decreases with elevation Rain Shadows Mountains create "rain shadows” The climate is drier on lee slopes of mountains than on windward slopes Death Valley, California
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This note was uploaded on 04/15/2008 for the course BIO 213 taught by Professor Lee during the Fall '08 term at Cal Poly.

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bio213lecture8 - BIOLOGY 213 Week #10 Lecture Outline:...

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