Table 3. Density estimates of Mnemiopsis leidyi from video-net and Multinet.
| Station | Volume filmed Video-net (m3) | Abundance Video-net (ind. m−3) | AbundanceMultinet(ind. m−3) | Zm (Zs)Video-net(m) | Zm (Zs)Multinet(m) | |||
| All | Small | Medium | Large | All | ||||
| Anholt A | 136.8 | 3.26 | 2.54 | 0.58 | 0.13 | 5.92 | 25.0 (6.0) | 10.6 (6.5) |
| Anholt B | 110.2 | 6.74 | 5.87 | 0.70 | 0.17 | 1.91 | 22.9 (8.1) | 7.3 (5.2) |
| Anholt C | 133.7 | 6.93 | 6.47 | 0.41 | 0.05 | 5.01 | 17.4 (10.5) | 8.6 (6.1) |
| Anholt D | 119.5 | 6.40 | 5.98 | 0.40 | 0.01 | 11.14 | 21.4 (7.3) | 8.3 (4.9) |
| Anholt E | 134.4 | 4.25 | 3.68 | 0.53 | 0.04 | 11.03 | 26.9 (8.0) | 10.7 (5.3) |
| Anholt mean (SD) | 5.52 (1.66) | 7.00 (4.01) | ||||||
| Ven A | 121.2 | 0.23 | 0.08 | 0.08 | 0.08 | 0.42 | 28.9 (5.9) | 11.8 (4.7) |
| Ven B | 158.7 | 0.23 | 0.03 | 0.11 | 0.09 | 2.45 | 28.1 (5.2) | 14.9 (0.9) |
| Ven C | 126.9 | 0.16 | 0.09 | 0.04 | 0.03 | 0.68 | 19.4 (7.9) | 18.5 (4.0) |
| Ven D | 155.4 | 0.35 | 0.07 | 0.09 | 0.20 | 1.38 | 29.7 (2.7) | 20.9 (3.5) |
| Ven E | 160.9 | 0.17 | 0.01 | 0.03 | 0.13 | 1.56 | 27.7 (3.6) | 18.9 (6.1) |
| Ven mean (SD) | 0.23 (0.08) | 1.30 (0.80) | ||||||
| Anholt T1 | 132.3 | 8.53 | 8.24 | 0.22 | 0.07 | 13.42 | 17.2 (5.9) | 9.6 (4.1) |
| Anholt T2 | 74.9 | 3.03 | 2.67 | 0.32 | 0.04 | 5.53 | 7.6 (3.8) | 5.3 (na) |
| BY1 | 149.7 | 0.68 | 0.55 | 0.08 | 0.05 | 0.69 | 25.6 (11.2) | 14.7 (8.0) |
Zm is mean depth and Zs is spread (Eqs. 3 and 4). SD is standard deviation.