Angulla anguilla stock size, mortality, and potentially escaping silver eels for the Schwentine River system for 2009 and 2010, estimated by the GEM II (variant 3). Numbers in parentheses indicate the percentage with respect to the total stock size of the same year.
| . | 2009 . | . | 2010 . | . |
|---|---|---|---|---|
| . | Weight (kg) . | No. of eels . | Weight (kg) . | No. of eels . |
| Stock size | 24 981 | 85 695 | 21 123 | 119 633 |
| Natural mortality | 2267 (9.1) | 12 193 (14.2) | 2120 (10.0) | 21 648 (18.1) |
| Commercial fishers | 5233 (20.9) | 9486 (11.1) | 6610 (31.3) | 13 690 (11.4) |
| Recreational fishers | 830 (3.3) | 1505 (1.8) | 830 (3.9) | 1720 (1.4) |
| Cormorants | 1100 (4.4) | 10 680 (12.5) | 1200 (5.7) | 11 650 (9.7) |
| Silver eels | 748 (3.0) | 728 (0.8) | 385 (1.8) | 363 (0.3) |
| Weight (kg) ha−1 | No. of eels ha−1 | Weight (kg) ha−1 | No. of eels ha−1 | |
| Commercial fishers | 0.9 | 1.6 | 1.1 | 2.3 |
| Recreational fishers | 0.1 | 0.3 | 0.1 | 0.3 |
| Cormorants | 0.2 | 1.8 | 0.2 | 1.9 |
| Silver eels | 0.13 | 0.12 | 0.06 | 0.06 |
| . | 2009 . | . | 2010 . | . |
|---|---|---|---|---|
| . | Weight (kg) . | No. of eels . | Weight (kg) . | No. of eels . |
| Stock size | 24 981 | 85 695 | 21 123 | 119 633 |
| Natural mortality | 2267 (9.1) | 12 193 (14.2) | 2120 (10.0) | 21 648 (18.1) |
| Commercial fishers | 5233 (20.9) | 9486 (11.1) | 6610 (31.3) | 13 690 (11.4) |
| Recreational fishers | 830 (3.3) | 1505 (1.8) | 830 (3.9) | 1720 (1.4) |
| Cormorants | 1100 (4.4) | 10 680 (12.5) | 1200 (5.7) | 11 650 (9.7) |
| Silver eels | 748 (3.0) | 728 (0.8) | 385 (1.8) | 363 (0.3) |
| Weight (kg) ha−1 | No. of eels ha−1 | Weight (kg) ha−1 | No. of eels ha−1 | |
| Commercial fishers | 0.9 | 1.6 | 1.1 | 2.3 |
| Recreational fishers | 0.1 | 0.3 | 0.1 | 0.3 |
| Cormorants | 0.2 | 1.8 | 0.2 | 1.9 |
| Silver eels | 0.13 | 0.12 | 0.06 | 0.06 |
Angulla anguilla stock size, mortality, and potentially escaping silver eels for the Schwentine River system for 2009 and 2010, estimated by the GEM II (variant 3). Numbers in parentheses indicate the percentage with respect to the total stock size of the same year.
| . | 2009 . | . | 2010 . | . |
|---|---|---|---|---|
| . | Weight (kg) . | No. of eels . | Weight (kg) . | No. of eels . |
| Stock size | 24 981 | 85 695 | 21 123 | 119 633 |
| Natural mortality | 2267 (9.1) | 12 193 (14.2) | 2120 (10.0) | 21 648 (18.1) |
| Commercial fishers | 5233 (20.9) | 9486 (11.1) | 6610 (31.3) | 13 690 (11.4) |
| Recreational fishers | 830 (3.3) | 1505 (1.8) | 830 (3.9) | 1720 (1.4) |
| Cormorants | 1100 (4.4) | 10 680 (12.5) | 1200 (5.7) | 11 650 (9.7) |
| Silver eels | 748 (3.0) | 728 (0.8) | 385 (1.8) | 363 (0.3) |
| Weight (kg) ha−1 | No. of eels ha−1 | Weight (kg) ha−1 | No. of eels ha−1 | |
| Commercial fishers | 0.9 | 1.6 | 1.1 | 2.3 |
| Recreational fishers | 0.1 | 0.3 | 0.1 | 0.3 |
| Cormorants | 0.2 | 1.8 | 0.2 | 1.9 |
| Silver eels | 0.13 | 0.12 | 0.06 | 0.06 |
| . | 2009 . | . | 2010 . | . |
|---|---|---|---|---|
| . | Weight (kg) . | No. of eels . | Weight (kg) . | No. of eels . |
| Stock size | 24 981 | 85 695 | 21 123 | 119 633 |
| Natural mortality | 2267 (9.1) | 12 193 (14.2) | 2120 (10.0) | 21 648 (18.1) |
| Commercial fishers | 5233 (20.9) | 9486 (11.1) | 6610 (31.3) | 13 690 (11.4) |
| Recreational fishers | 830 (3.3) | 1505 (1.8) | 830 (3.9) | 1720 (1.4) |
| Cormorants | 1100 (4.4) | 10 680 (12.5) | 1200 (5.7) | 11 650 (9.7) |
| Silver eels | 748 (3.0) | 728 (0.8) | 385 (1.8) | 363 (0.3) |
| Weight (kg) ha−1 | No. of eels ha−1 | Weight (kg) ha−1 | No. of eels ha−1 | |
| Commercial fishers | 0.9 | 1.6 | 1.1 | 2.3 |
| Recreational fishers | 0.1 | 0.3 | 0.1 | 0.3 |
| Cormorants | 0.2 | 1.8 | 0.2 | 1.9 |
| Silver eels | 0.13 | 0.12 | 0.06 | 0.06 |
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
