48

insufficient  knowledge  and  experience.  There  is  even  the  high  risk  that  erroneous  conclusions
are  drawn.

REFERENCES:

Dahlmann,  G.:  Eine  neue  sichere  Methode  zur  Identifizierung  der  Verursacher  von
Ölverschmutzungen  (Dt.  hydrogr.  Z.  37(5),  1984,  217-220)
Dahlmann,  G:  Identification  of  oil  pollution.  In:  Seminar  on  Oil  Pollution  Questions,
Norrköping,  (Baltic  Sea  Environment  Proceedings  No.  22,  Baltic  Marine  Environment
Protection  Commission  -  Helsinki  Commission,  1987,  149-160)
Dahlmann  G.,  Timm  D.,  Averbeck  Chr.,  Camphuysen  C.,  Skov  H.,  Durinck  J.:  Oiled
Seabirds-  Comparative  Investigations  on  Oiled  Seabirds  and  Oiled  Beaches  in  the
Netherlands,  Denmark  and  Germany  (1990-93)(Mar.  Poll.  Bull.,  Vol.  28,  No.  5,  305-310,
  1994)
Dahlmann,  G.  Müller-Navarra,  S.:  The  Source  of  Oil  Pollution  on  the  East  Frisian  islands  in
October  1989  -  an  Exemplary  case  (Dt.  Hydrogr.  Z.  49,  35-43,  1997

Author:  Dr.  Gerhard  Dahlmann
Bundesamt  für  Seeschifffahrt  und  Hydrographie,
Hamburg  and  Rostock
Tel:  +49/40/3190-3352
e-mail:  gerhard.dahlmann@bsh.de