TABLE 2.
Habitat | Diversity of: |
|||||
---|---|---|---|---|---|---|
Chitinase genes |
16S rRNA genes |
|||||
PDreached | PDmax | % coverage | PDreached | PDmax | % coverage | |
Freshwater | 7.17 | 7.84 | 91.5 | 551.77 | 866.04 | 63.7 |
Tropics | 19.64 | 22.96 | 85.5 | 1372.38 | 1452.78 | 94.5 |
Nontropics | 25.78 | 27.79 | 92.7 | 1468.50 | 1730.13 | 84.9 |
Coastal | 17.77 | 20.73 | 85.7 | 1468.00 | 1678.59 | 87.5 |
Open ocean | 27.14 | 28.50 | 95.2 | 1500.22 | 1628.94 | 92.1 |
Hypersaline | 9.27 | 29.96 | 30.9 | 553.65 | 783.61 | 70.7 |
Marine | 33.82 | 34.90 | 96.9 | 2123.14 | 2271.65 | 93.5 |
Estuarine | 14.40 | 26.31 | 54.7 | 984.32 | 1778.76 | 55.3 |
Caribbean Sea | 7.10 | 9.29 | 76.4 | 631.05 | 795.40 | 79.3 |
Galapagos Islands | 18.39 | 21.50 | 85.5 | 1059.67 | 1244.79 | 85.1 |
Indian Ocean | 15.99 | 22.05 | 72.5 | 1023.01 | 1189.59 | 86.0 |
North American East Coast | 14.54 | 23.44 | 62.0 | 830.96 | 1093.74 | 76.0 |
Sargasso Sea | 18.78 | 21.52 | 87.3 | 854.53 | 1130 | 75.6 |
PD, phylogenetic diversity; PDreached, phylogenetic diversity reached; PDmax, expected maximal PD. PDmax values were obtained by the extrapolation of PD rarefaction curves. The coverage was estimated as the fraction of PDreached to PDmax.