TY - CHAP AU - Hindell M.A., Bradshaw C. J. A. PY - 2003// TI - Ecosystem monitoring: are seals a potential tool for monitoring change in marine systems? BT - Marine Mammals: Fisheries, Tourism and Management Issues SP - 330 EP - 343 VL - 17 N2 - Marine Mammals: Fisheries, Tourism and Management Issues / N. Gales, M. Hindell, R. Kirkwood (eds.), Ch.17 pp.330-343 N1 - exported from refbase (http://publi.ipev.fr/polar_references/show.php?record=2463), last updated on Fri, 24 Apr 2009 10:35:25 +0200 ID - HindellM.A.2003 ER -