Who's better at spotting? A comparison between aerial photography and observer-based methods to monitor floating marine litter and marine mega-fauna

1. Garcia-Garin, O.
2. Aguilar, A.
3. Borrell, A.
4. Gozalbes, P.
5. Lobo, A.
6. Penadés-Suay, J.
7. Raga, J.A.
8. Revuelta, O.
9. Serrano, M.
10. Vighi, M.