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Table 4
Metrics of Perccottus glenii populations in studied water bodies during 2012–2017: pre-stocking period 2012–2013 (Pre), transitional period 2014–2015 (Transitional), and post-stocking period 2017 (Post).
| Population metrics | Pre | Transitional | Post |
|---|---|---|---|
| Beržuvis | |||
| Abundance, % | 87.8 | 0.9 | 0.0 |
| TL max, cm | 26.0 | 14.1 | – |
| Age, min–max | 0+–11+ | 0+–4+ | – |
| Mean weight, g | 18.5 ± 36.9 | 8.1 ± 9.3 | – |
| Bevardis | |||
| Abundance, % | 88.2 | 92.3 | 0.0 |
| TL max, cm | 24.5 | 15.9 | – |
| Age, min–max | 0+–10+ | 0+–4+ | – |
| Mean weight, g | 22.1 ± 28.3 | 10.7 ± 12.1 | – |
| Cirkliškis | |||
| Abundance, % | 97.7 | 98.8 | 1.9 |
| TL max, cm | 22.2 | 17.9 | 18.0 |
| Age, min–max | 0+–9+ | 0+–5+ | 0+–5+ |
| Mean weight, g | 20.7 ± 25.2 | 5.11 ± 10.8 | 16.0 ± 27.2 |
| Stūgliai | |||
| Abundance, % | 80.9 | 3.3 | 0.0 |
| TL max, cm | 20.2 | 20.9 | – |
| Age, min–max | 0+–7+ | 0+–7+ | – |
| Mean weight, g | 17.2 ± 14.2 | 28.4 ± 32.7 | – |
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