1. The Dr. Moses Strauss Department of Marine Geosciences, Leon H. Charney School of Marine Sciences University of Haifa 199 Aba Khoushy Ave., Mt. Carmel Haifa 31905 Israel
2. Geological Survey of Israel 32 Yesha'yahu Leibowitz St. Jerusalem 9692100 Israel
3. Univ. Lille, CNRS Univ. Littoral Côte d'Opale, UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences Station Marine de Wimereux F 59000 Lille France
4. Department of Ocean Sciences Tokyo University of Marine Science and Technology 4‐5‐7 Konan, Minato‐ku Tokyo 108‐8477 Japan
5. Department of Zoology and Entomology Rhodes University Grahamstown 6140 South Africa
6. National Institute of Oceanography Israel Oceanographic and Limnological Research Tel‐Shikmona, P.O.B. 8030 Haifa 31080 Israel
7. Department of Geosciences, Raymond and Beverly Sackler Faculty of Exact Sciences Tel‐Aviv University P.O.B. 39040 Tel‐Aviv 6997801 Israel