This graphic may be reproduced in any form for educational or non-profit purposes without special permission from GRID-Arendal, provided acknowledgement of the source is made. GRID-Arendal would appreciate receiving a copy of any publication that features this graphic.
No use of this graphic may be made for resale or any other commercial purpose whatsoever without prior permission in writing from GRID-Arendal. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to firstname.lastname@example.org.
For any form of publication, please include the link to this page and give GRID-Arendal and the cartographer/designer credit (in this case Philippe Rekacewicz, UNEP/GRID-Arendal)
After Kosarev and Yablonska, 1994 and Dumont 1998 in Fabienne Marret, Suzanne Leroy, Françoise Chalié, Françoise Gasse, 'New organic-walleddinoflagellate cvysts from recent sediments of Central Asian seas, review of palaeobotany and palynology' 129, 2004; N.V. Aladin, Y.S.Chikov, V.E. Panov andI.S. Plotnikov, Chronology of Mnemiopsis and Beroe invasions to the Black, Azov and Caspian Seas, Presentation to the HELCOM-BSRP meeting on ballastwaters, Klaipada-Palanga, February 2005