ec fina pic set IV

Card Set Information

Author:
lacythecoolest
ID:
274086
Filename:
ec fina pic set IV
Updated:
2014-05-11 22:24:26
Tags:
ecology
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Description:
set 4
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  1. a
    a
    • species diversity
    • richness v relative abundance
    • Shannon weaver index
  2. trophic structure for terrestrial v marine
  3. food web
  4. food web for chesapeak bay
    • Keystone species
    • pigester-sea star
    • energetic limit on food chain
    • (Y) # of species
    • (X) productivity
    • numbe of tropic links v # of species
    • sea otters keystone
    • left before killer whales ate otters
    • right after
    • tropic cascade
    • ecosystem engineer/foundation species
    • wolves
    • elks
    • willow trees
    • beavers
    • dams
    • welands
    • birds & fish
    • top down/bottom up controls
    • herb plants shifted
    • dry conditions bottom
    • moist more animals
    • (x) rainfall
    • salt marsh w/ juncus
    • foundation species positive effect
    • O2 into soil
    • more plants
    • biomanipulation
    • restores communities
    • disturbance
    • removes organisms
    • fires
    • detritus
    • fire helped rebound
    • fire adapted seeds
    • nutrients
    • galciers
    • primary succession
    • pioneer stage
    • modifies habitat release nitrogen
    • evapotranspiration
    • increase evaportation increase trees
    • # of species v area
    • species-area curve
    • larger area-more
    • island equilibrium
    • X-species
    • Y-im/emmigration
    • a. immigration/extinctin rates
    • b. island size
    • c. distance
    • richness increases with island size
    • Y-# of plant species
    • X-area of island
    • Integrated community structure
    • species have the same high & low points
    • individualistic
    • independent of each other
    • gleason-doing their own thing
    • response to environmental conditions

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