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Figure 52.1
01_p010.jpg
01_01b.jpg
Community
01_01a.jpg
Figure 52.UN01
Why is species X absent from an area?
Does dispersal limit its distribution?
Does behavior limit its distribution?
Do biotic factors (other species)limit its distribution?
Do abiotic factors limitits distribution?
No
No
No
Yes
Yes
Yes
Physicalfactors
Chemicalfactors
Area inaccessible orinsufficient time
Habitat selection
Predation, parasitism,competition, disease
Temperature, light, soilstructure, fire, moisture,
etc.
Water, oxygen, salinity,pH, soil nutrients, etc.
01_02.jpg
01_03.jpg
01_04.jpg
01_05.jpg
01_06.jpg
01_07.jpg
01_08.jpg
01_09.jpg
01_10.jpg
Figure 52.UN01
Why is species X absent from an area?
Does dispersal limit its distribution?
Does behavior limit its distribution?
Do biotic factors (other species)limit its distribution?
Do abiotic factors limitits distribution?
No
No
No
Yes
Yes
Yes
Physicalfactors
Chemicalfactors
Area inaccessible orinsufficient time
Habitat selection
Predation, parasitism,competition, disease
Temperature, light, soilstructure, fire, moisture,
etc.
Water, oxygen, salinity,pH, soil nutrients, etc.