Table 2.

Input parameters for the mechanistic wind dispersal model.

terminal velocity (ms−1)	B. nigra: 3.7±0.10	B. oleracea: 3.9±0.11
plant height (m)	B. nigra: 0.64–1.22	B. oleracea: 0.37–0.64
vegetation height (m)	B. nigra: 1.1	B. oleracea: 0.27
leaf area index	B. nigra: 2.57	B. oleracea: 4.56
hourly averaged horizontal wind velocity (ms−1)	frequency distribution, ranging from 0 to 25
hourly averaged vertical wind velocity (ms−1)	scenario 1, flat terrain	0
	scenario 2, average conditions at cliff edge	0.07±0.28
	scenario 3, extreme conditions at cliff edge	1