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The importance of structural complexity in coral reefs has come to the fore with the global degradation of reef condition… Expand Between 1978 and 1996 benthic communities in the Leigh Marine Reserve shifted from being dominated by sea urchins to being… Expand Kelp forests are phyletically diverse, structurally complex and highly productive components of coldwater rocky marine coastlines… Expand Abstract Nicotinic acid adenine dinucleotide phosphate (NAADP) mobilizes Ca 2+ in many cells and species. Unlike other Ca 2… Expand Various powerful instruments exist today to evaluate information quality in the web context. They can be categorized into five… Expand No-take' marine reserves provide a valuable tool for managing marine resources as well as for providing relatively undisturbed… Expand Publisher Summary This chapter discusses the cellular mechanisms of morphogenesis in the sea urchin gastrula. The sea urchin… Expand At exposed sites in the Gulf of Maine, USA, subtidal mussels (AModiolus modiolus) dominated space on upper rock surfaces at… Expand 1. The general theory of flagellar propulsion is discussed and an expression obtained whereby the propulsive speed of a… Expand 1. The spermatozoa of Psamtneckinus irnliaris (P. L. S. Muller; Gmelin) propel themselves by projecting transverse bending waves… Expand