ec fina pic set IV

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- species diversity
- richness v relative abundance
- Shannon weaver index
trophic structure for terrestrial v marine
food web
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

Author

lacythecoolest

274086

Card Set

ec fina pic set IV

Description

set 4

Updated

2014-05-12T02:24:26Z