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Human Component

  • runoff causes eutrophication of aquatic systems

Abiotic Factors

  • wastewater discharge rich in phosphates
  • temperature
  • mining rocks
  • pH of water
  • light

Citations

River Ecosystem

Biotic Factors

  • http://www.google.com/imgres?um=1&hl=en&sa=N&rls=com.microsoft:en-us:IE-SearchBox&biw=1366&bih=587&tbm=isch&tbnid=NhsKBZFNgMYslM:&imgrefurl=http://www.emc.maricopa.edu/faculty/farabee/biobk/biobookcycles.html&docid=IgqIpuOoi4LDhM&imgurl=http://bioweb.wku.edu/faculty/ameier/phoscycle.gif&w=570&h=386&ei=MvQLT9aSCpHRiALbz5WpBA&zoom=1&iact=rc&dur=250&sig=111271778370793732520&page=1&tbnh=118&tbnw=159&start=0&ndsp=21&ved=1t:429,r:0,s:0&tx=83&ty=77
  • http://www.google.com/imgres?um=1&hl=en&sa=N&rls=com.microsoft:en-us:IE-Address&biw=1366&bih=587&tbm=isch&tbnid=_8jEE_GeXd2WmM:&imgrefurl=http://www.recycleworks.org/kids/watershed.html&docid=3Psx3Uz7nRo9xM&imgurl=http://www.recycleworks.org/images/watershed_800.jpg&w=800&h=602&ei=QvMLT96BK8jXiAKy8a3sAw&zoom=1&iact=rc&dur=109&sig=111271778370793732520&page=1&tbnh=109&tbnw=145&start=0&ndsp=24&ved=1t:429,r:2,s:0&tx=91&ty=29

Megan Simmons

  • Macroinvertebrates
  • Plants

Nitrogen Cycle

  • Fish
  • http://www.google.com/imgres?hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&biw=1366&bih=587&tbm=isch&prmd=imvns&tbnid=_tJf3x8qUfDu1M:&imgrefurl=http://www.physicalgeography.net/fundamentals/9s.html&docid=mN723CzOsxvw1M&imgurl=http://www.physicalgeography.net/fundamentals/images/nitrogencycle.jpg&w=721&h=468&ei=Y_QLT_CAHujUiAK90syLBA&zoom=1&iact=rc&dur=62&sig=111271778370793732520&page=1&tbnh=90&tbnw=138&start=0&ndsp=24&ved=1t:429,r:0,s:0&tx=104&ty=48

watershed:

  • Packet from Childers on Ecosystem Structure and Function PPT

an area of land that collects/stores water and releases it to a common point such as a lake

  • Productivity and Nutrient Cycling Packet

Human Component

  • eat plants
  • fertilizers
  • add to soil and eater from farm runoff
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