Table 1

Monitoring dates of crayfish plague spread in the Lucelle. Observations were made by day or by light during the night.


Date Prospection Disease front Fig. Observations

15 July 2013 day km 4 a
17 July 2013 night km 4 40 dead crayfish sector A / 115
dead, 75 live crayfish sector B
19 July 2013 day km 2.9 b
23 July 2013 day km 1.7 c
25 July 2013 day km 1.6
6 August 2013 day km 1.4 d
12 August 2013 day km 1.4
11 September 2013 night km 1.4
18 December 2013 day km 1.4 e
17 March 2014 day km 0.88 20 freshly dead crayfish sector B
26 March 2014 day km 0.60
02 April 2014 day km 0.58
22 April 2014 day/9 traps km 0.54 f Traps location from 200 m downstream
to 130 m upstream of the dam
30 June 2014 night km 0.50 25 live crayfish above dam

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