Ecological Processes

Table 3 Plant species Shannon-Wiener diversity index, richness, and Pielou evenness (mean ± SE) at various piospheric distances

From: Plant species composition and diversity depending on piospheres and seasonality in the southern rangelands of Kenya

Dry season							Wet season
Piosphere	Distance (m)	20	40	60	80	100	20	40	60	80	100
Dam	Diversity	0.9 ± 0.1a	1.2 ± 0.1a	1.1 ± 0.4a	1.5 ± 0.1a	1.8 ± 0.1a	0.7 ± 0.1a	0.9 ± 0.2ab	1.16 ± 0.1bc	1.5 ± 0.2 cd	1.7 ± 0.3d
	Richness	4.5 ± 0.5a	5.5 ± 1.1ab	6.5 ± 0.3bc	7.3 ± 0.5bc	8.0 ± 0.0c	4.8 ± 1.1a	5.6 ± 0.8a	6.25 ± 0.9a	7.0 ± 0.7a	7.5 ± 0.5a
	Evenness	0.8 ± 0.5ab	0.8 ± 0.1a	0.87 ± 0.1ab	0.9 ± 0.2ab	0.9 ± 0.1b	0.8 ± 0.1a	0.8 ± 0.2a	0.84 ± 0.2a	0.9 ± 0.2a	0.9 ± 0.1a
Trough	Diversity	0.8 ± 0.2a	0.9 ± 0.1a	1.3 ± 0.2ab	1.3 ± 0.1ab	1.6 ± 0.3b	1.1 ± 0.1a	1.4 ± 0.2ab	1.5 ± 0.1b	1.6 ± 0.1b	1.7 ± 0.1b
	Richness	3.0 ± 0.5a	3.8 ± 0.3ab	5.0 ± 0.8ab	4.8 ± 0.5ab	5.3 ± 1.0b	4.3 ± 0.5a	5.3 ± 1.1a	5.8 ± 0.8a	6.3 ± 0.4a	6.5 ± 0.7a
	Evenness	0.7 ± 0.1a	0.7 ± 0.1a	0.8 ± 0.1ab	0.8 ± 0.3ab	0.9 ± 0.3b	0.7 ± 0.1a	0.8 ± 0.2b	0.9 ± 0.1b	0.9 ± 0.1b	0.9 ± 0.1b
River	Diversity	1.2 ± 0.1a	1.3 ± 0.2ab	1.6 ± 0.1bc	1.7 ± 0.1c	1.9 ± 0.8c	1.2 ± 0.2a	1.3 ± 0.1ab	1.6 ± 0.1ab	1.6 ± 0.1ab	1.7 ± 0.9b
	Richness	4.5 ± 0.5a	4.5 ± 0.3a	4.3 ± 1.1a	5.5 ± 0.5ab	7.5 ± 0.9b	3.0 ± 0.4a	3.5 ± 0.7ab	4.5 ± 0.3bc	5.3 ± 0.2bd	6.5 ± 0.3d
	Evenness	0.7 ± 0.1a	0.8 ± 0.1a	0.7 ± 0.2a	0.9 ± 0.1a	0.9 ± 0.1a	0.6 ± 0.1a	0.8 ± 0.04b	0.8 ± 0.0b	0.9 ± 0.1b	0.8 ± 0.1b

Means with different letters in the same row are significantly different (P ≤ 0.05)

Back to article page