Vincent de Leijster

169 Appendices Common name Scientific name Abundance Zapoto Manikara huberi 2 Aguacatillo Persea caerulea 1 Breadfruit Artocarpus altilis 1 Calliandra Calliandra pittieri 1 Churimo Inga gracilior 1 Lechudo Pseudolmedia osyphyllaria 1 Leucaena Leucaena leucocephala 1 Lulo Solanum quitoense 1 Tomate de árbol Solanum betaceum 1 Yarumo Cecropia peltata 1 Plantain Musa x paradisiaca 559 Not identified 17 Table A5-3. Response trajectory of vegetation, soil and farm characteristics on transition to agroforestry. P1 is first parameter of the model, P2 is second parameter of the model, R 2 is the r-squared of the regression between observed and predicted values, T is the t-value and P is the P-value. Variables Model type P1 ± SE P2 ± SE R 2 T P Vegetation characteristics Average tree age OLR 7.2 ± 2.2 0.3 ± 0.1 0.06 1.8 0.07 Canopy cover Asymptote 77 ± 5.7 2.2 ± 0.9 0.18 3.5 0.001 Canopy height Asymptote 8.4 ±0.8 2.3 ± 1.1 0.12 2.8 0.01 Tree species richness GLM-Poisson 2.5 ± 1.2 1.0 ± 1.0 0.10 2.7 0.01 Tree density OLR 124 ± 24.3 2.10±1.4 0.02 1.4 0.15 Basal area OLR 0.55 ± 0.08 0.004 ± 0.005 -0.01 0.8 0.42 Plantain density OLR 20±5.3 0.0 ± 0.3 -0.02 0.01 0.99 Abiotic conditions Relative humidity OLR 70 ± 3.4 -0.1 ± 0.2 -0.02 0.46 0.65 Temperature OLR 28 ± 1.1 0.05 ± 0.07 -0.03 0.32 0.75 Nitrogen content OLR 0.3 ± 0.0 0.0 ± 0.0 -0.01 0.6 0.53 Phosphor content OLR 28 ± 8.0 -0.5 ± 0.5 0.00 1.0 0.31 Potassium content OLR 0.5 ± 0.1 -0.0 ± 0.0 0.03 1.7 0.10 Farm characteristics Altitude OLR 1535 ± 39.7 -0.2 ± 2.3 -0.02 0.1 0.95 Slope OLR 29 ± 2.8 0.0 ± 0.2 -0.02 0.2 0.87 Farm size OLR 4.8 ± 1.1 0.0 ± 0.1 -0.01 0.5 0.64 Coffee planting density OLR 5397 ± 193 -9.0 ± 12 -0.00 0.7 0.46 Input index OLR 0.33 ± 0.02 0.00 ± 0.00 -0.01 0.2 0.87 Weeding index OLR 0.39 ± 0.04 -0.00 ± 0.00 -0.01 0.7 0.49 Fertilizer index OLR 0.37 ± 0.01 -0.00 ± 0.00 -0.01 0.5 0.60 Pesticide index OLR 0.23 ± 0.03 0.004 ± 0.002 0.02 2.0 0.04 Table A5-2. Continued