Adaptation of Colophospermum mopane to extra-seasonal drought conditions: site-vegetation relations in dry-deciduous forests of Zambezi region (Namibia)

Forest Ecosystems

Table 2 Stand structure of the research sites at Salambala, recorded in August 2001. Only C. mopane was assessed for its water potential (± SD)

Site	Vegetation (Number of observations in brackets)	Basal area (m²∙ha⁻¹)	Mean dbh (cm)	Mean height (in m)	Mean height (h₁₀ in m)
Forest	pure C. mopane stand, 196 trees∙ha⁻¹ (49)	14.93	29.52 ± 11.02	9.9 ± 2.17	11.70 ± 0.42
Shrubs	pure C. mopane stand, 304 trees∙ha⁻¹ of poor growth (76)	6.63	14.03 ± 9.06	6.46 ± 3.25	10.73 ± 0.88
Swamp^a	C. mopane stand (17.48 m²∙ha⁻¹, 408 trees∙ha⁻¹) with mixed Philenoptera violacea (3.01 m²∙ha⁻¹, 56 trees∙ha⁻¹) (102)	20.49	21.04 ± 11.00	8.30 ± 2.33	11.70 ± 0.61

^aA permanent waterhole nearby (30 m in north-eastern direction) creates a small swamp