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Question : The above graph show Species-Area relationship. Write the equation of the curvea and explain.

Answer»

Solution :On a log scale, the relationship becomes linear (Straight line) and is described equation
log S log C+Z log A
where
S = speices Richness
Z = slope of the line (regression cofficient )
A area
C= y- intercept
Ecologists have FOUND out that the value of Z line ranges between 0.1 and 0.2 IRRESPECTIVE of the taxonomic group or the REGIO
this analysis in very large area like a CONTINENT, the Z value ranges between 0.6 and 1.2. The Z value for frugivorous birds and mammals in the tropical forest is found to be 1.15


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