Effect of Different Growing Niches on Stand Structure of Highland Bamboo (Yushania alpina) in West Amhara, Northern Ethiopia

Table 1

The density and age composition of bamboo culms (mean standard ± error).

Niche	Density (individuals ha^−1)	Age of culm			Age proportion
		<1 year	1–3 years	>3 year
BD	23,129 ± 390^a	5,050 ± 291	10,650 ± 363	6,391 ± 367	24 : 47 : 29
HS	22,019 ± 336^ab	5,921 ± 243	9,915 ± 302	6,182 ± 306	27 : 45 : 28
RB	21,145 ± 336^bc	5,471 ± 243	8,853 ± 302	6,182 ± 291	26 : 42 : 32
RS	20,517 ± 390^bc	4,785 ± 291	9,531 ± 363	5,161 ± 367	25 : 49 : 26
WL	19,188 ± 336^d	5,427 ± 243	8,675 ± 302	5,086 ± 306	28 : 45 : 27
Grand mean	20,784 ± 198	5,510 ± 474	9,528 ± 568	6,091 ± 586	26 : 45 : 29
Grand proportion		26	45	29

BD = boundary; HS = homestead; RB river bank; RS = roadside; WL = woodlot plantation niches; values in columns with different letters are significantly different (at α < 0.05).