Supplementary Material
Contrasting effects of two Acacia species on understorey growth in a drylands environment: Interplay of canopy shade and litter interference
David Helman, Stefan Leu and Amir Mussery
Helman, D. (corresponding author,
[email protected])1, Leu, S. (
[email protected])2, Mussery, A. (corresponding author,
[email protected])3
1
Department of Geography, University of Cambridge, Cambridge CB2 3EN, UK. 2
3
Leu-Sella Environmental Development, Sde Boqer.
Department of Geography and Environmental Development, Ben-Gurion University of the Negev, Be'er-Sheva 84105, Israel.
S1
Fig. S1. View of A. salicina (left) and A. victoriae (right) trees and their contrasting effects on the understorey herbaceous production (photo credit: D. Helman).
S2
(a) A. victoriae
(b) A. salicina
(c)
Fig. S2. The relative distribution of the canopy heights of the A. victoriae (a) and A. salicina (b) trees that were analysed in this study; the distribution of the canopy heights of the two Acacia species trees are presented together in (c). The mean and the standard error are also shown.
S3
(a) A. victoriae
(b) A. salicina
(c)
Fig. S3. The relative distribution of the canopy area of the A. victoriae (a) and A. salicina (b) trees that were analysed in this study; the distribution of the canopy area of the two Acacia species trees are presented together in (c). The mean and the standard error are shown.
S4
Fig. S4. Clay and total fine particle contents (%) in the top-soil (0.2-m depth) underneath the subcanopy area of the two Acacia tree species. Red dot indicates the mean value. Differences in clay and fine particle contents among the Acacia species were not significant at p
