THE POPULATION DYNAMICS AND REPRODUCTION OF STREBLOSPIO GYNOBRANCHIATA (ANNELIDA, SPIONIDAE), AN ALIEN POLYCHAETE WORM, IN THE SEVASTOPOL BAY (THE BLACK SEA)
Journal: Ecologica Montenegrina
Year: 2015

The macrozoobenthic investigation in the Sevastopol Bay was conducted from 2001 to 2013. In 2007, first individuals of Streblospio gynobranchiata Rice &amp; Levin, 1998, exotic for the Black Sea, were found in samples of soft sediment from the bay. According to the records, by 2009, mean population density has increased to 703±43 ind.·m-2 and decreased to 465±56 ind.·m-2 by 2013. The spionid polychaetes S. gynobranchiata inhabit muddy seabed with vast admixture of pelitic silts (66±8%), at depth