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51,52,53 (53 Population Ecology:study of the processes that affect the…

- - - - Tropical:Near equa./wet,dry/hot/trees/variety organi.
      - Desert: 30% lats,where air comes dwn/dry/vry cld,dry/cacti/rept,scorps
      - Savanna: Near equa./dry/hot,cold/trees,grslnd/termites,insects,grazers
      - Chaparral:mid-lat. near coas. lines/wet seas. dry seas./ht summers,cooler wint. seasonal/ shrubs/deer,rabbits,birds,repts.,arthropods
      - Temp Grassland:70's/dry,wet summer/70-,30 lrg vari/flowering plants/animals that can live off plants
      - Nrth Conif. Forest: Northern US,Cana.Mich, Montana/30-3 cm per yr, wet,not wet/colder, lrg range/moose,bears,birds/pinecones
      - Temp. Broadleaf Forest: Mid-lat,chile,africa,new zeal./wet,lots/seasonal,cold,hot/trees/birds mammals,insects
      - Tundra:Tops of mountain poles/medium, lots,dry/moss,grasses,shrubs,trees/bear,wolves,foxes,OXEN
    - - light,photosyn./little light/combination of PZ,AZ/6,000 below/ btm of al aqua. zone
      - Seasonal turnover : lakes with winter ice cover. ST causes the lake waters,well oxygenated, all depths in spring/autumn// in winter & summer, when the lake is stratif. by temp, the oxygen concen. decr. w/ depth
      - Lakes:Light decreases with depth,creating stratification. Temperate lakes may have a seasonal thermocline; tropical lowland lakes have a thermocline year-round.//nutrient-poor and generally oxygen-rich/nutrient-rich and often
        depleted of oxygen in the deepest zone
      - Wetlands: Some
        wetlands are inundated at all times,others flood infrequently//low in dissolved oxygen/high filtration ability
      - Streams/Rivers: cold, clear, swift,
        and turbulent,warmer
        and more turbid//salt nutrients,oxy rich
      - Estuaries: between river and sea//Salinity varies,nutrient rich
      - Inter tidal Zones:periodically submerged,tides,twiceaday// Oxygen & nutrient levels high,always chang. w/ tides
      - Oceanic Pelagic Zone:open blue//oxy high,nutrients low,
      - Coral Reefs: calcium carbonate
        skeletons of corals,temp senst.,//high oxy. levels, are excluded by high inputs of fresh water and nutrients
      - Marine Benthic Zone: receives no sunlight//hydro-thermal vents//oxy present