Table 3.

Matrix of Mann-Kendall Tau statistics for the correlation of the angles between consecutive years of vegetation samples for four plots labelled according to their previous use and for the experimental treatment (fertilised, non-fertilised). Below the diagonal P-values for the statistics are given. Significant values of the test statistic are in bold. We also list a measure of the directionality of the whole trajectory for each plot. For details on the statistics see³⁶.

	Farmland		Grassland
	Fertilised	Non-fertilised	Fertilised	Non-fertilised
Farmland/fertilised		0.30	0.29	0.21
Farmland/non-fertilised	0.011		0.077	0.54
Grassland/fertilised	0.017	0.53		0.16
Grassland/non-fertilised	0.089	< 0.001	0.18
Directionality	0.45	0.43	0.44	0.43