Table 1. Sampling site characteristics for the Aiguebelette lake, the impoundment and the Tier River downstream from the dam.
Hydrosystem part | Aiguebellette Lake | Impoundment | Tier River | |||
---|---|---|---|---|---|---|
Field station | Lake | IM1 | IM2 | R0 | R1 | R2 |
Distance from lake outlet (km) | - | 0.2 | 1.3 | 1.7 | 3.6 | 6.9 |
Traditional sampling | n = 1 * (29/09 to 03/10/2014) | - | - | - | n = 1 ** (30/04/2014) | n = 1 ** (13/05/2014) |
eDNA sampling | n = 3 (29/09/2014) | n = 1 (29/09/2014) | n = 1 (29/09/2014) | n = 3 (25/04/2014) | n = 6 (28/04/2014) | n = 6 (12/05/2014) |
Latitude (WGS94) | 45°33’09.2”N | 45°32'37.5N | 45°32'33.6"N | 45°32'34.9"N | 45°31’58.3” N | 45°31’51.4” N |
Longitude (WGS94) | 5°47’57.5”E | 5°46'26.7"E | 5°45'40.4"E | 5°45'18.2"E | 5°44’35.1”E | 5°44’05.3”E |
Altitude (m) | 375 | 375 | 375 | 370 | 300 | 265 |
Slope (m.km-1) | - | 3 | 3 | 30 | 33 | 4 |
Sampled length (m) | - | - | - | 54 | 120 | 150 |
Width (m) | - | 18 | 18 | 2 | 6.3 | 6.7 |
Depth (m) | mean = 30 max = 70 | 1.8 | 1.8 | 0.2 | 0.30 | 0.32 |
Discharge (m3.s-1) | - | 0.171–8.00 | 0.171–8.00 | 0.171 | 0.217 | 0.441 |
Sampling effort n, number of eDNA filtrations per number of traditional sampling campaigns (using electrofishing in the river and gillnets in the lake).
*survey sampling.
**complete sampling.