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In order to reveal the structure of the sparsely known deeper sublittoral hard bottom communities of glacial Kongsfjorden, the… Expand The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera Part 4. - This study reviews all European… Expand We investigated the cover, community structure and abiotic environment of nine shipwrecks lying at increasing distance from the… Expand Inhaltsfibersicht, Seite I. Gegenseitige Beeinflussung der Regenerationsbezirke . . . . . . . . 112 II. Autotomie und… Expand SummaryExperiments were performed to determine if earlier colonists inhibited, enhanced, or were necessary for establishment of… Expand The marine colonial hydroid Tubularia mesembryanthemum produces a morphologically unique dispersive stage, the actinula larva… Expand Abstract This paper is an account of Serpulidae (Annelida, Polychaeta) collected from the Arctic and Northern Atlantic Oceans by… Expand This exper~mental study examines the importance of active and passive processes during the settlement of the barnacle Balanus sp… Expand 1. The movements of Tubularia spermatozoa in the vicinity of micropipettes filled with extracts of female hydranths, which… Expand 1. The spontaneous behaviour of the hydroid Tubularia results from the activity of a number of pacemaker systems in the polyp… Expand