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. 2013 Oct 22;8(10):e76995. doi: 10.1371/journal.pone.0076995

Table 1. Estimated mean biomass (in g m−2, ±1 standard deviation) of three vegetation categories measured in the Mudumalai Forest Dynamics Plot.

Ground vegetation Density category Biomass ± SD Density score
Lantana camara Absent 0 0
Present 48.3 ±15.6 1
Common 503.1 ±30.5 10
Dense 858.5 ±154.2 18
Very dense 2038.5 ±226.0 42
Chromolaena odorata Absent 0 0
Present 49.8 ±11.4 1
Common 118 ±75.9 2
Dense 728.5 ±261.0 15
Very dense 1165.9 ±348.2 23
Grasses Absent 0 0
Present 95.5 ±27.1 1
Common 227.6 ±73.8 2
Dense 704.2 ±187.5 7
Very dense 813.2 ±170.5 9

Density scores have been assigned to each category as the ratio between that category and the ‘present’ category.