PPT Slide

1. Affected by sample size

-Probablility of detecting a

rare spp.?

2. Hypotheses about

lognormal distribution:

-May: a statistical expectation

-Sugihara: a consequence of

the species within a community

subdividing niche space

II. Species Abundance

C. Lognormal distribution

(note ‘binned’ data)

Rare

Common

5

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