Fig. 1From: Effects of nonindigenous species on diversity and community functioning in the eastern Gulf of Finland (Baltic Sea)Study area. a Position of EGOF and Zooplankton survey in Augusts 1999 and 2004; b EGOF and its counterparts, fairway channel is indicated as dashed line; c principal area; d sampling sites for study of Marenzelleria neglecta. Legend: empty arrows position of transects; circles regular stationsBack to article page