In-situ observations of Baltic herring (Clupea harengus membras) spawning behaviour in the Askö-Landsort area, northern Baltic proper G. AneerG. FlorellL. Sjöstedt OriginalPaper Pages: 105 - 110
Seasonal variation in abundance of the developmental stages of Euterpina acutifrons (Copepoda: Harpacticoida) from the São Sebastião Channel, southern Brazil G. S. MoreiraC. YamashitaJ. C. McNamara OriginalPaper Pages: 111 - 114
A comparative study on the movement patterns of two sympatric tropical chitons (Mollusca: Polyplacophora) G. ChelazziS. FocardiJ. L. Deneubourg OriginalPaper Pages: 115 - 125
Variations immunoquantitatives de l'α amylase au cours du cycle d'intermue à différentes saisons chez Palaemon serratus (Crustacea: Decapoda: Natantia) A. Van Wormhoudt OriginalPaper Pages: 127 - 132
Denitrification, nitrate reduction to ammonium, and inoganic nitrogen pools in intetidal sediments H. F. Kaspar OriginalPaper Pages: 133 - 139
Nutrient-dependent low-light adaptation in the dinoflagellate Gonyaulax polyedra B. B. PrézelinH. A. Matlick OriginalPaper Pages: 141 - 150
Particle rejection by Calanus pacificus: discrimination between similarly sized particles M. E. HuntleyK.-G. BarthelJ. L. Star OriginalPaper Pages: 151 - 160
High-affinity uptake of an ammonium analogue by two marine microflagellates from the oligotrophic Pacific I. KoikeD. G. RedaljeO. Holm-Hansen OriginalPaper Pages: 161 - 168
Biological cycle of Pelagia noctiluca: morphological aspects of the development from planula to ephyra L. Rottini SandriniM. Avian OriginalPaper Pages: 169 - 174
Stereophotography for the field biologist: measurement of lengths and three-dimensional positions of free-swimming sharks A. P. KlimleyS. T. Brown OriginalPaper Pages: 175 - 185
Uptake of Kepone from sediment suspensions and subsequent loss by the oyster Crassostrea virginica R. Morales-AlamoD. S. Haven OriginalPaper Pages: 187 - 201
Effects of cadmium on Pontoporeia affinis (Crustacea: Amphipoda) in laboratory soft-bottom microcosms B. Sundelin OriginalPaper Pages: 203 - 212
Ecotypic differentiation of Laminaria longicruris in relation to seawater nitrate concentration J. EspinozaA. R. O. Chapman OriginalPaper Pages: 213 - 218