Brachyuran crab diversity in natural (Pitchavaram) and
artificially developed mangroves (Vellar estuary)
在天然紅樹林(Pitchavaram)與人工紅樹林(Vellar estuary)的十足目蟹類多樣性
S. Ajmal Khan*, S. M. Raffi and P. S. Lyla
CURRENT SCIENCE, VOL. 88, NO. 8,2005
Reporter：Chang Shaw chen
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Average taxonomic diversity((Δ)：
：
The average “taxonomic distance apart” of every pair of
individuals in the sample.
：
Average taxonomic distinctness((Δ+ )：
The average taxonomic distance apart of all its pairs of species.
Phylogenetic diversity(sPh+)：
：
The cumulative branch length of the full tree.
：
Variation in taxonomic distinctness((Λ+)：
The variance of the taxonomic distance between each pair of
species.