12 14 16 

 Replicates 



18 20 22 24 26 28 



0.060 



0.075 



12 14 16 

 Replicates 



18 20 22 24 26 28 



Figure A-3. Cumulative species diversity, H" (Shannon and Weaver, 1963) 

 (upper graph) and evenness, J (Pielou, 1966 ) (lower graph) 

 with increasing sample size (calculated from mean of five 

 random orders) . 



72 



