Table 1.

Mantel test and multiple regression on distance matrices (MRM) results for all compartments combined, and each individual compartment. All show a significant pattern of distance decay

	Mantel R statistic	Mantel Significance	MRM R2	MRM Significance
All	0.28	0.001	0.07	< 0.001
Fruit	0.23	0.001	0.07	< 0.001
Leaf	0.35	0.001	0.12	< 0.001
Pneumatophore	0.29	0.001	0.09	< 0.001
Sediment	0.50	0.001	0.21	< 0.001