Table 3. Fish species detected using eDNA metabarcoding (six filtrations) and complete electrofishing during the sampling campaigns operated together in 2014 at the R1 site.
Fish taxa | eDNA metabarcoding approach | electrofishing sampling | ||||||
Latin name | Common name | Number of reads | Detections | |||||
R1a | R1b | R1c | R1d | R1e | R1f | |||
SHARED TAXA (n = 10) | ||||||||
Rutilus rutilus | Roach | 30883 | 72062 | 38571 | 52227 | 22037 | 95338 | X |
Salmo trutta | Trout | 26227 | 22944 | 29873 | 56015 | 15028 | 57358 | X |
Barbatula sp. | - | 2569 | 3882 | 5235 | 4813 | 1801 | 9748 | X |
Teletes souffia | Riffle dace | 3780* | 3468* | 2512* | 8532* | 1909* | 4501* | X |
Squalius cephalus | Chub | 823 | 705 | 814 | 2155 | 535 | 1634 | X |
Phoxinus phoxinus | Minnow | 42 | 60 | 134 | 83 | 63 | 286 | X |
Perca fluviatilis | Perch | 52 | 84 | 177 | 176 | 29 | 20 | X |
Lepomis gibbosus | Pumpkinseed | 56 | 54 | 77 | 230 | 13 | 47 | X |
Alburnoides bipunctatus | Spirlin | 276 | X | |||||
Gobio spp. | - | 14 | 53 | 64 | X | |||
TAXA DETECTED USING eDNA ONLY (n = 6) | ||||||||
Barbus barbus | Barbel | 61 | 455 | |||||
Scardinius erythrophthalmus | Rudd | 33 | ||||||
Cottus spp. | - | 19 | ||||||
Alburnus alburnus | Bleak | 17 | ||||||
Oncorhynchus mykiss | Rainbow trout | 14 | ||||||
Leuciscus spp. | - | 12 | ||||||
Total richness | 16 | 10 | ||||||
Fish taxa | eDNA metabarcoding approach | electrofishing sampling | ||||||
Latin name | Common name | Number of reads | Detections | |||||
R1a | R1b | R1c | R1d | R1e | R1f | |||
SHARED TAXA (n = 10) | ||||||||
Rutilus rutilus | Roach | 30883 | 72062 | 38571 | 52227 | 22037 | 95338 | X |
Salmo trutta | Trout | 26227 | 22944 | 29873 | 56015 | 15028 | 57358 | X |
Barbatula sp. | - | 2569 | 3882 | 5235 | 4813 | 1801 | 9748 | X |
Teletes souffia | Riffle dace | 3780* | 3468* | 2512* | 8532* | 1909* | 4501* | X |
Squalius cephalus | Chub | 823 | 705 | 814 | 2155 | 535 | 1634 | X |
Phoxinus phoxinus | Minnow | 42 | 60 | 134 | 83 | 63 | 286 | X |
Perca fluviatilis | Perch | 52 | 84 | 177 | 176 | 29 | 20 | X |
Lepomis gibbosus | Pumpkinseed | 56 | 54 | 77 | 230 | 13 | 47 | X |
Alburnoides bipunctatus | Spirlin | 276 | X | |||||
Gobio spp. | - | 14 | 53 | 64 | X | |||
TAXA DETECTED USING eDNA ONLY (n = 6) | ||||||||
Barbus barbus | Barbel | 61 | 455 | |||||
Scardinius erythrophthalmus | Rudd | 33 | ||||||
Cottus spp. | - | 19 | ||||||
Alburnus alburnus | Bleak | 17 | ||||||
Oncorhynchus mykiss | Rainbow trout | 14 | ||||||
Leuciscus spp. | - | 12 | ||||||
Total richness | 16 | 10 |
Number of reads per species and per filtration.
*The molecular marker does not discriminate between Telestes souffia, Chondrostoma nasus and Chondrostoma toxostoma.