Ecology
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Ecology

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Ecology Ecology Presentation Transcript

  • Ecology
  • 35.1,35.8-35.11
  • 2.6 - 2.92.11 - 2.12
  • Ecology
  • It takesall kinds(to make a world)
  • “...study of relationshipsthat living organisms havewith respect to each otherand their natural environment.” http://en.wikipedia.org/ wiki/Ecology
  • “...study of how organisms interactwith each other andwith their environment.”
  • How many speciesdoes it taketo grow an apple?
  • How many organisms are inone cubic meter of grassland soil?
  • Billions of bacteria10,000,000 nematodes45,000 earthworms48,000 miteshundreds of thousands ofprotozoa, algae and fungi
  • Niche
  • Habitat
  • “...the place wherean organism lives.”
  • Niche
  • “...a pattern of living.”
  • “...a particular biological role.”“...the sum total of all the ways[an organism] utilizes theresources of its environment.”
  • Principle ofCompetitiveExclusion
  • CharacterDisplacements
  • “...changes in competing speciesto reduce niche overlap.”
  • Competition
  • Intraspecific
  • Interspecific
  • Predation
  • Coevolution
  • Symbiosis
  • Mutualism
  • Commensalism
  • Demodex folliculorum
  • Parasitism
  • Levels ofEcologicalOrganization
  • http://www.goldiesroom.org/Note%20Packets/22%20Ecology/00%20Ecology--WHOLE.htm
  • IndividualPopulationSpeciesCommunityEcosystemBiomeBiosphere
  • Figure 2.14
  • Figure 2.15
  • Figure 38.9
  • Ecosystems Services
  • “Nature is working for you.”
  • Natural processes supporthuman activities.
  • http://www.good.is/post/how-can-we-put-a-value-on-ecosystem-services/
  • Worth at least$33,000,000,000,000collectively
  • Regulation of water forstorage and accessTreatment of waste Design is the Problem
  • Desalinization
  • 2 kWh(11.5 Twinkies)1m 3 water(1,000L or 264 gallons)
  • plants1,500 worldwide m 3 water15.3Billion per year worldwide0.5% water demand
  • primary productivitydecompositionnutrient cycling (C, N, P, O, etc.)pollinationpurification of water and airdetoxification of soilmoderation of climatemitigation of floods and erosionmitigation of disease transmissionpest predationmaterials (dyes, fibers, rubbers, oils)medicinal substances
  • Example:Insect Pollination
  • 100 trees25 people2 beehives
  • Insects transport pollenfrom plant to plant70% of flowering plantsrely on insect pollinationincluding 1/3of the foods and beverageswe consume