Table 2

Number of pikeperch released (Nr) in five size groups (body mass, M) and proportion recaptured within 1460 days after release by stocking trials (season, lake area and method of release are indicated) in Lake Balaton, Hungary.

Stocking trial Nr (proportion recaptured) by size groups


No. Season Area Method M ≤ 150 g 151–200 g 201–250 g 251–300 g >300 g
1. Autumn Keszthely Shore 52 (11.5%) 77 (23.4%) 58 (29.3%) 44 (27.3%) 19 (31.6%)
2. Autumn Keszthely Offshore 48 (16.7%) 58 (19.0%) 61 (24.6%) 55 (38.2%) 28 (21.4%)
3. Autumn Szemes Shore 53 (13.2%) 47 (23.4%) 66 (24.2%) 47 (25.5%) 37 (32.4%)
4. Autumn Szemes Offshore 66 (4.5%) 45 (15.6%) 56 (25.0%) 56 (32.1%) 27 (22.2%)
5. Autumn Siófok Shore 44 (6.8%) 62 (8.1%) 53 (17.0%) 56 (19.6%) 35 (34.3%)
6. Autumn Siófok Offshore 51 (7.8%) 63 (14.3%) 48 (12.5%) 59 (23.7%) 29 (24.1%)
7. Spring Keszthely Shore 62 (17.7%) 61 (23.0%) 56 (21.4%) 39 (20.5%) 32 (40.6%)
8. Spring Keszthely Offshore 74 (13.5%) 64 (18.8%) 46 (30.4%) 50 (28.0%) 16 (43.8%)
9. Spring Szemes Shore 59 (5.1%) 55 (9.1%) 73 (19.2%) 38 (31.6%) 25 (48.0%)
10. Spring Szemes Offshore 85 (1.2%) 52 (0.0%) 56 (8.9%) 45 (20.0%) 12 (16.7%)
11. Spring Siófok Shore 80 (2.5%) 59 (5.1%) 57 (10.5%) 39 (15.4%) 15 (13.3%)
12. Spring Siófok Offshore 90 (1.1%) 64 (4.7%) 41 (9.8%) 34 (20.6%) 21 (19.0%)
Total       764 (7.7%) 707 (13.9%) 671 (19.7%) 562 (25.6%) 296 (30.1%)

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