Encelia frutescens




Encelia farinosa





DISTRIBUTION PATTERNS -- small scale

 RANDOM

California, East of Big Pine

CLUMPED


University of Riverside California Campus

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)



 

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.