Encelia frutescens
Encelia farinosa
DISTRIBUTION PATTERNS -- small
scale
RANDOM
California, East of Big Pine
CLUMPED
Angel Lake area, near Wells, Nevada
REGULAR (even, uniform)
North of Eureka Sand Dunes, California
Distribution Gradients (Large Scale, always clumped) -- trees on a hillside
Mount Whitney in the distance, California
DENSITIES
Animals
Plants
(Angiosperms)
ABUNDANCE/RARITY
Geographic Range -
Extensive vs. restricted
Lytrosis unitaria -- considered rare but has extensive geographic range
Habitat Tolerance
-- Broad vs. narrow
Indicator species have NARROW habitat tolerance (intolerant of much change)
Local Population Size
-- Large vs. small
The Ohoopee Dunes Geometer (Fernaldella geogiana) -- Georgia's only
endemic moth; restricted to a
few counties 90 miles inland from coast on the Ohoopee Dunes. Although
restricted geographically
and with narrow habitat tolerance, local population size is HUGE.