HcR 1 HcR 2 HcR 3 HcR 4 HcR 5 Other sites
Leaves per shoot 6 ± 0.42 4 ± 1.44 6 ±0.76 3 ± 0.52 6 ± 0.33 4 ± 0.95 (b)
Density (shoots m-2) 233 ± 14 165 ± 50 230 ± 25 87 ± 18 249 ± 12 494 ± 49 (a)
Max Leaf Long (cm) 21 ± 2.73 17.7 ± 2.4 13.7 ± 1.41 2.93 ± 0.22 18.7 ± 2.4 13.3 ± 1.8 (b)
Max Leaf Width (mm) 7.6 ± 0.24 5.83 ± 0.49 5.36 ± 0.15 4.87 ± 0.02 6.6 ± 0.15 4 ± .2 (b)
Leaf Area Index (m2m-2) 1.2 ± 0.12 0.93 ± 0.67 1.24 ± 0.22 0.60 ± 0.19 1.52 ± 0.09 2.8 ± 0.5 (b)
Aboveground Biomass (g DW m-2) 184.5 ± 20.6 53.22 ± 6.5 95.5 ± 10.1 42.3 ± 7.1 168.3 ± 16.15 76 ± 9 (a)
Total Biomass (g DW m-2) 989.4 ± 89.1 366.5 ± 53.9 547.5 ± 78.38 274.8 ± 47.5 910.2 ± 68.7 584 ± 103 (a)
Above:Belowground Biomass ratio 0.31 ± 0.02 0.27 ± 0.07 0.31 ± 0.04 0.20 ± 0.03 0.27 ± 0.02  

aData from other authors cited by Terrados et al. [81].
bData from diferente authors: Castillo-Torres, [69], Díaz et. al., 2003, Hackney and Durako, [21], Guzmán et al. [7], Fonseca et al. [71].
Table 2: Comparison of the different morphometric characteristics of Thalassia testudinum in the five Hydrochemical Regions (HcR) in Bahía de la Ascención, (Q. Roo, México) in 2006-2007 and other locations.