Table 5. Fish species detected using eDNA metabarcoding (three filtrations in 2014) and the seven gillnets sampling campaigns (from 1995 to 2014) within the Aiguebelette lake.
| Fish taxa | eDNA metabarcoding | Gillnets sampling | |||
|---|---|---|---|---|---|
| Latin name | Common name | Detections | Reads (%) | Detections | Frequency |
| SHARED TAXA (n = 17) | |||||
| Perca fluviatilis | Perch | X | 37,2821 | X | F |
| Coregonus lavaretus | Lavaret | X | 18,6306 | X | F |
| Rutilus rutilus | Roach | X | 14,1278 | X | F |
| Esox lucius | Pike | X | 7,7440 | X | F |
| Scardinius erythrophthalmus | Rudd | X | 6,8929 | X | F |
| Squalius cephalus | Chub | X | 4,4577 | X | F |
| Leuciscus spp. | - | X | 3,3451 | X | F |
| Abramis brama | Bream | X | 1,5857 | X | F |
| Alburnus alburnus | Bleak | X | 1,3127 | X | C |
| Tinca tinca | Tench | X | 0,9018 | X | F |
| Salaria fluviatilis | Freshwater blenny | X | 0,8853 | X | R |
| Lepomis gibbosus | Pumpkinseed | X | 0,7120 | X | F |
| Cyprinus carpio | Carp | X | 0,6686 | X | F |
| Salvelinus spp. | - | X | 0,6596 | X | F |
| Gobio spp. | - | X | 0,5522 | X | F |
| Salmo trutta | Trout | X | 0,1040 | X | R |
| Barbatula sp. | - | X | 0,0012 | X | R |
| TAXA DETECTED USING eDNA ONLY (n = 4) | |||||
| Micropterus sp. | - | X | 0,0743 | ||
| Carassius spp. | - | X | 0,0570 | ||
| Cottus spp. | - | X | 0,0041 | ||
| Barbus barbus | Barbel | X | 0,0013 | ||
| SPECIES CAUGHT BY TRADITIONAL SAMPLING ONLY (n = 5) | |||||
| Blicca bjoerkna | Silver bream | X | C | ||
| Lota lota | Burbot | X | C | ||
| Oncorhynchus mykiss | Rainbow trout | X | R | ||
| Sander lucioperca | Pikeperch | X | F | ||
| Chondrostoma nasus | Nase | X | R | ||
| Total richness | 21 | 22 | |||
Relative abundance of reads (in % for a total of 895,133 reads) per species (eDNA metabarcoding) and frequency of species caught with gillnets: frequent species (F), common species (C) and rare species (R) caught in more than 50%, 15–50% and less than 15%, respectively, of the total number of fishing campaigns.