Table 1.

Number of sampled and successfully amplified daces (Leuciscus burdigalensis) for each sampling year (2005–2011) and each sampling site on the Viaur River.

sampling site	2005	2006	2007	2008	2009	2010	2011
Albinet	18	20	10	12	0	0	0
Bannnes	10	16	0	5	8	0	0
Calquiere	16	13	15	11	17	14	2
Capelle	22	19	20	32	29	17	13
Fuel	10	18	12	10	0	0	1
Navech	14	20	20	25	19	5	7
St Just	16	20	20	35	17	17	2
Serres	11	17	4	8	0	3	0
total	117	143	101	138	90	56	25