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Table 3
Catch per unit of effort (CPUE) of different fish species in studied water bodies during 2012–2017 (mean ± SD): pre-stocking period 2012–2013 (Pre), transitional period 2014–2015 (Transitional), and post-stocking period 2017 (Post).
| Fish species | Pre | Transitional | Post |
|---|---|---|---|
| Beržuvis | |||
| C. gibelio | 1.1 ± 1.3 | 3.5 ± 6.2* | – |
| E. lucius | – | 2.5 ± 2.0 | 3.7 ± 0.6 |
| L. delineatus | 8.7 ± 15.3 | 113.1 ± 125.4 | – |
| P. fluviatilis | – | 54.9 ± 72.5 | – |
| P. glenii | 68.4 ± 34.1 | 1.5 ± 2.1* | – |
| R. rutilus | – | 0.1 ± 0.3 | – |
| T. tinca | – | 0.1 ± 0.3 | – |
| Total | 77.9 ± 32.7 | 175.7 ± 182.8 | 3.7 ± 0.6* |
| CPUE n | 10 | 11 | 4 |
| Bevardis | |||
| C. gibelio | 12.6 ± 8.2 | 1.7 ± 2.5* | 51.7 ± 85.2 |
| E. lucius | – | 2.0 ± 1.4 | 4.7 ± 1.2 |
| P. fluviatilis | – | 0.3 ± 0.5 | 55.0 ± 51.7 |
| P. glenii | 94.0 ± 33.8 | 48.2 ± 48.2 | – |
| Total | 106.6 ± 36.1 | 52.2 ± 49.8 | 111.3 ± 129.9 |
| CPUE n | 9 | 9 | 3 |
| Cirkliškis | |||
| C. gibelio | – | 0.2 ± 0.4 | – |
| E. lucius | – | 0.1 ± 0.3 | 1.0 ± 1.0 |
| L. delineatus | 2.5 ± 2.5 | – | 355.3 ± 327.4* |
| P. glenii | 135.7 ± 30.0 | 42.5 ± 37.4* | 7.0 ± 3.6* |
| C. carassius | 0.7 ± 1.2 | 0.3 ± 0.6 | – |
| Total | 138.9 ± 28.8 | 43.0 ± 37.0* | 363.3 ± 325.6 |
| CPUE n | 3 | 11 | 3 |
| Stūgliai | |||
| C. gibelio | 2.3 ± 1.3 | 2.4 ± 3.5 | 2.3 ± 1.0 |
| E. lucius | – | 1.3 ± 1.1 | 1.0 ± 0.8 |
| L. delineatus | 5.3 ± 6.4 | 192.8 ± 190.1* | 404.0 ± 11.4* |
| P. fluviatilis | – | 1.0 ± 1.6 | 0.5 ± 0.6 |
| P. glenii | 31.8 ± 19.4 | 6.8 ± 10.2* | – |
| Total | 39.3 ± 13.6 | 204.3 ± 197.6 | 407.8 ± 12.4* |
| CPUE n | 4 | 11 | 4 |
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