Alkaline phosphatase activity in marine macrophytes: histochemical localization in some widespread species in southern Spain I. HernándezF. X. NiellJ. A. Fernández OriginalPaper Pages: 501 - 509
Effect of temperature and light on the growth of micro- nano- and pico-plankton: impact on algal succession A. AnderssonP. HaeckyÅ. Hagström OriginalPaper Pages: 511 - 520
Form and feeding mechanism of a living Planctosphaera pelagica (phylum Hemichordata) M. W. HartR. L. MillerL. P. Madin OriginalPaper Pages: 521 - 533
Enzymatic and morphological criteria for distinguishing between Cardium edule and C. glaucum of the Portuguese coast M. M. MachadoA. M. Costa OriginalPaper Pages: 535 - 544
An ultrastructural study of Crassostrea angulata (Mollusca, Bivalvia) spermatogenesis M. SousaE. Oliveira OriginalPaper Pages: 545 - 551
Gametogenesis of Pollicipes cornucopia (Cirripedia: Scalpellomorpha) in north-west Spain J. MolaresF. TilvesC. Pascual OriginalPaper Pages: 553 - 560
Seasonal variation in some population parameters of Euchaeta species (copepoda: Calanoida) J. Mauchline OriginalPaper Pages: 561 - 570
Carbohydrate digestion in Penaeus monodon J. M. WigglesworthD. R. W. Griffith OriginalPaper Pages: 571 - 578
Mate competition in the velvet swimming crab Necora puber: effects of perceived resource value on male agonistic behaviour I. P. SmithF. A. HuntingfordA. C. Taylor OriginalPaper Pages: 579 - 584
Patterns of growth and triacylglycerol content in snow crab Chionoecetes opilio (Brachyura: Majidae) zoeal stages reared in the laboratory G. A. LovrichP. Ouellet OriginalPaper Pages: 585 - 591
Detection and avoidance of hypoxic water by juvenile Callinectes sapidus and C. similis T. DasW. B. Stickle OriginalPaper Pages: 593 - 600
Mitochondrial DNA variation and population structure in the spiny lobster Panulirus argus J. D. SilbermanS. K. SarverP. J. Walsh OriginalPaper Pages: 601 - 608
Karotypic characterization of turbot (Scophthalmus maximus) with conventional, fluorochrome and restriction endonuclease-banding techniques C. BouzaL. SanchezP. Martínez OriginalPaper Pages: 609 - 613
Behavioral response of fish larvae to low dissolved oxygen concentrations in a stratified water column D. L. Breitburg OriginalPaper Pages: 615 - 625
Habitats and tidal accessibility of the marine foods of dabbling ducks and brant in Boundary Bay, British Columbia J. R. BaldwinJ. R. Lovvorn OriginalPaper Pages: 627 - 638
Influence of depth and season on the diet of the deep-water aristeid Aristeus antennatus along the continental slope (400 to 2300 m) in the Catalan Sea (western Mediterranean) J. E. Cartes OriginalPaper Pages: 639 - 648
Life-history parameters and vertical distribution of Maurolicus muelleri in Masfjorden in summer O. I. RasmussenJ. Giske OriginalPaper Pages: 649 - 664
