Comparative Analysis of Understorey Floristic Diversity and Carbon Stocks in Poorly and Intensively Managed Tectona grandis Plantations

Table 4

Comparison of mean understorey species diversity, richness, and evenness in the intensively and poorly managed Tectona grandis plantation.

Management regimes		Species richness	Shannon Wiener’s diversity index	Pielou’s evenness
Intensively managed	Mean ± SE	16.417 ± 1.479	2.450 ± 0.086	0.898 ± 0.020
	Min–max	7.000–23.000	1.873–2.832	0.728–0.964
Poorly/unmanaged	Mean ± SE	9.333 ± 0.801	1.753 ± 0.084	0.795 ± 0.022
	Min–max	6.000–17.00	1.160–2.274	0.647–0.934
T		4.210	5.807	3.455
df		22	22	22
value		≤0.001	≤0.001	≤0.001

Calculations were done according to the entire study plots. ±standard error.