A concept for biological valuation in the marine environment

S Derous, M. Tundi Agardy, H Hillewaert, K Hostens, G Jamieson, L Lieberknecht, J Mees, I Moulaert, S Olenin, Desiré Paelinckx, M Rabaut, E Rachor, J. C Roff, Eric Stienen, J. T Van der Wal, V Van Lancker, E Verfaillie, M Vincx, J. M Weslawski, S Degraer