black sea red data book - Department of Biology

Biology. Well adapted to the surface layer of water, living in coastal and open sea
areas, this blue coloured carnivorous copepod is capable of aerial jumps. It is a North
Atlantic species with mass development in spring and autumn. Abundant in
convergence zones in which surface waters of different origins come together.
Population trends. A sharp decline in population numbers since the 1970s, with a
reduction of 50-70% over the last 10 years.
Threats. Pollution of the surface microlayer of water and eutrophication, triggering
bottom hypoxia.
Conservation measures taken. None.
Conservation measures proposed. Reduce Black Sea pollution.
References
Dolgopolskaya, M. A., 1969. Otryad calanoida G.O. Sars (Order Calanoida G.O.
Sars), In: Opredelitel fauny Chernogo I Azovskogo morey (A key to Black Sea and
the Sea of Azov fauna). Kiev, Naukova Dumka 2: 34-48 (in Russian).
Newell, G. E. & R. C. Newell, 1966. Marine Plankton, a practical guide. London,
Hutchinson Educational: 221 pp.
Zaitsev, Y. P., 1971. Marine Neustonology. Jerusalem, Israel Program for Scientific
Translations: 207 pp
Zaitsev, Y. & V Mamaev, 1997. Marine Biological Diversity in the Black Sea. A
study of change and decline. New York, United Nations Publications: 208 pp.
Compiled by Y. Zaitsev.
125