Table 2. Similarity of plants, pollinators and their interactions between each pair of years.

	2007 vs 2008	2007 vs 2009	2007 vs 2010	2008 vs 2009	2008 vs 2010	2009 vs 2010	Four years
Total number of species/interactions observed over the 2 years
Plants	106	117	124	112	120	117	133
Pollinators	203	221	231	208	226	227	331
Interactions	1140	1209	1166	1572	1411	1460	2293
Number of species/interactions observed in both years
Plants	61	62	63	76	77	92	54
Pollinators	51	54	42	69	51	71	28
Interactions	102	99	68	164	160	167	31
Jaccard similarity index %
Plants	57.5	53.0	50.8	67.9	64.2	78.6	40.6
Pollinators	25.1	24.4	18.0	33.2	22.6	31.3	8.5
Interactions	8.9	8.2	5.8	10.4	11.3	11.4	1.4