Table 1. Spatial data (2016) on cantonal level for number of active apiaries, densities and inter-apiaries distances; and bee brood disease announcements (AFB and EFB) in Switzerland (1991–2016).

Low data quality lead to exclusion of apiary data of Geneva, indicated by asterisk.

Canton	Active apiaries 2016	‘Density-index’ (km−2 )	‘Average minimal distance’ (m)	EFB 1991–2016	EFB ‘disease-index’	AFB 1991–2016	AFB ‘disease-index’
Aargau	1,502	1.07	459	227	14.0%	83	5.4%
Appenzell Outer-Rhodes	201	0.83	514	31	14.3%	1	0.5%
Appenzell Inner-Rhodes	97	0.51	545	46	37.8%	1	1.0%
Basel-District	485	0.95	479	80	15.2%	17	3.4%
Basel-City	38	1.03	418	0	0.0%	4	10.0%
Bern	5,327	0.89	406	3,104	44.2%	398	7.2%
Fribourg	1,123	0.70	484	108	9.2%	148	12.3%
Geneva	*	*	*	14	*	32	*
Glarus	136	0.20	623	72	41.1%	1	0.7%
Grisons	1,125	0.16	594	422	31.3%	411	30.6%
Jura	567	0.68	480	2	0.4%	44	7.5%
Lucerne	1,488	1.00	454	574	32.0%	206	12.9%
Neuchâtel	551	0.69	450	1	0.2%	45	7.8%
Nidwalden	101	0.37	513	8	7.6%	2	2.0%
Obwalden	92	0.21	655	58	46.8%	38	33.9%
St. Gallen	1,447	0.71	479	427	25.6%	33	2.3%
Schaffhausen	192	0.64	600	5	2.6%	10	5.1%
Schwyz	350	0.39	535	36	9.8%	14	3.9%
Solothurn	883	1.08	417	400	36.4%	52	5.7%
Ticino	914	0.33	494	15	1.6%	116	11.9%
Thurgau	1,151	1.16	435	495	35.0%	47	4.0%
Uri	126	0.12	555	32	22.4%	20	14.7%
Vaud	1,113	0.35	605	41	3.6%	221	18.0%
Valais	1,433	0.27	396	283	17.9%	250	16.0%
Zug	372	1.56	385	36	9.2%	35	9.0%
Zurich	2,191	1.27	420	704	27.5%	50	2.3%
Switzerland	23,055	0.56	460	7,221	26.91%	2,279	9.42%