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45 Cards in this Set
- Front
- Back
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What was the main message behind Cadallic Desert?
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Water is a limited and precious resource, and should be conserved and distributed carefully.
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Who was the main character in the movie?
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William Mulhulland
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What are the initial sources of water in LA?
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first Owens River, then Colorado River, San Joaquin Delta,
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What is the ecological problem with "taking" someone's water?
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drying up water in upper parts of the river affects all the life, animal, plants in the area. The resources are diminishing, affecting the entire river ecosystem.
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What are the main issues with California's water supply?
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Limited resources, and the political aspects of water distribution.
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California’s Water Plan: 2009 Update … what are the major issues cited in the Plan as being problems with the existing state water system?
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declining ecosystems, impared water bodies, aging infastrucutre
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How is Global Warming exacerbating the water problem?
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less rain, and more extreme temperatures cause intense storms, further stressing infastrusture and the natural environment.
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What is a Water Shed? How is it defined geographically?
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An area of land that drains into a given body of water, such as a lake or stream. Geographically, downhill to river.
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What are the similarities between California’s and Arizona’s water projects?
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both water from Colorado River, both into desert
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What is the issue behind eutrophication?
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water runoff into ponds and streams, especially from agriculture causes enrichment of nitrogen in the water, sparking growth of plants in the water, causing lack of light to water creatures, death to fish and creatures, and eventually the lake will fill with vegetation and "mulch" until it dries up.
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ecology
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wide ranging scientific discipline seeking to undersatnd and predict the future. How dif species interact with eachother
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landscape ecology
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ecological systems; slinks between the environment, planning, design
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ecosystem
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group of life forms and non life forms interacting in an area
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ecosystem services
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economic utility to humans, flood control, water purificstion, nutrient cycling
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non-point pollution
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can't be traced from a single source, such as water runoff
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atmosphere
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layer of gasses surrounding earth
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lithosphere
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rigid outer layer of planet
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techtonic plates
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laying on mantle, global distribution of geological-scapes
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biota
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total collection of organisms in an area, time
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biosphere
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earth- where life is
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niche
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the role that a species plays in its ecological community, and its requirements
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genetic drift
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change in proportions as a result of random process, powerful in small populations
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mutualism
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interaction between 2 species where 2 benefit
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biodiversity
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entire diversity of life
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genetic diversity
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variation among a apecies or population
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species richness
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# of species in an area
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point pollution
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direct sources of pollution (factories, industrial discharge, runoff from landfills)
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1 Acre
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43,560 ft/sq or 208.2ftx208.2
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1 Linear Mile
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5,280 ft
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1 Landscape Unit
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1 square mile to 1 km
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John Wesely Powell
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explorer, discovered grand canyon- 2nd director of USGS
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Vandana Shiva
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Environmental Activist, femenist, speaker, campaigns movemen
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Henery David Thoreau
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"Live Simply"
wrote Walden Pond |
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Marjory Stoneman Douglas
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Enviornmental activest, FL natural resources, Biscayne Nature Center, "The Everglades"
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Edward Abbey
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Activest for Desert,
wrote Desert Solitare |
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Marjora Carter
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Urban Planning Reform activest, "Green the Ghetto"
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Biodiversity
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entire diversity of life, speciea
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hydrosphere
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all water bodies on earth
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abiotic
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non-living physical and chemical and physical factors in the environment
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Sustainability
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ecosystem integrity w/ human objectives of long term nprosperity and social equality
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founders affect
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group immigrating from large to smaller new group
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sink population
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dosn't produce enough to maintain themselvs
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source population
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produces more than enough to be accomodated
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habitat fragmentation
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networks of infastructure force wildlife to live on islands of habitat
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sky islands
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vertically seperated zones of diversity
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