Impacts of Different Tree Species of Different Sizes on Spatial Distribution of Herbaceous Plants in the Nigerian Guinea Savannah Ecological Zone

Table 5

Half matrix of similarity and dissimilarity (in parenthesis) of species composition among inside and outside crown zones of the tree of different sizes. PB: P. biglobosa; DO: D. oliveri; VP: V. paradoxa.

Jaccard’s similarity index	Small VP outside	Big VP inside	Big VP outside	Small PB inside	Small PB outside	Big PB inside	Big PB outside
Small VP inside	0.43 (0.57)	0.5 (0.5)	0.33 (0.77)	0.4 (0.6)	0.38 (0.62)	0.47 (0.53)	0.43 (0.67)
Small VP outside		0.53 (0.47)	0.44 (0.66)	0.52 (0.48)	0.49 (0.51)	0.36 (0.64)	0.46 (0.54)
Big VP inside			0.57 (0.43)	0.45 (0.55)	0.56 (0.44)	0.44 (0.66)	0.53 (0.47)
Big VP outside				0.41 (0.59)	0.56 (0.44)	0.39 (0.61)	0.58 (0.42)
Small PB inside					0.42 (0.58)	0.38 (0.62)	0.47 (0.53)
Small PB outside						0.32 (0.68)	0.67 (0.33)
Big PB inside							0.37 (0.63)