1. Effects of nitrate on the diurnal vertical migration, carbon to nitrogen ratio, and the photosynthetic capacity of the dinoflagellate Gymnodinium splendens

   • J. J. Cullen
   • S. G. Horrigan

   OriginalPaper Pages: 81 - 89

2. Photoadaption in marine phytoplankton: Response of the photosynthetic unit

   • M. J. Perry
   • M. C. Talbot
   • R. S. Alberte

   OriginalPaper Pages: 91 - 101

3. Genetic variability and differentiation in the temperature niche component of the diatom Thalassiosira pseudonana

   • L. E. Brand
   • L. S. Murphy
   • H. -t. Lee

   OriginalPaper Pages: 103 - 110

4. Do correlations exist between chromatophore arrangement and photosynthetic activity in seaweeds?

   • W. Nultsch
   • J. Pfau
   • U. Rüffer

   OriginalPaper Pages: 111 - 117

5. ATP concentration and adenylate energy charge of tropical zooplankton from waters inside the great barrier reef

   • H. R. Skjoldal

   OriginalPaper Pages: 119 - 123

6. Transformation of some dissolved organic compounds by a natural heterotrophic population

   • R. Iturriaga
   • A. Zsolnay

   OriginalPaper Pages: 125 - 129

7. Ecological investigations on the zooplankton community in balsfjorden, northern Norway: Lipids and fatty acids in Meganyctiphanes norvegica, Thysanoessa raschi and T. inermis during mid-winter

   • J. R. Sargent
   • S. Falk-Petersen

   OriginalPaper Pages: 131 - 137

8. The intrasponge fauna of Spheciospongia vesparia (Porifera, Demospongiae) at Curaçao and bonaire

   • E. Westinga
   • P. C. Hoetjes

   OriginalPaper Pages: 139 - 150

9. A blue carotenoprotein from the marine sponge Suberites domuncula: Purification and properties

   • L. Cariello
   • L. Zanetti

   OriginalPaper Pages: 151 - 155

10. Distribution of Anoplostoma viviparum (Nematoda) in Southampton Water sediments

    • S. C. Surey-Gent

    OriginalPaper Pages: 157 - 160

11. Polychaete feeding guilds from Georges Bank, USA

    • D. Maurer
    • W. Leathem

    OriginalPaper Pages: 161 - 171

12. Flux of radioactive cadmium through the sea-skater Halobates (Heteroptera: Gerridae)

    • M. Schulz-Baldes
    • L. Cheng

    OriginalPaper Pages: 173 - 177

13. Occurrence of a crinotoxin and hemagglutinin in the skin mucus of the moray eel Lycodontis nudivomer

    • J. E. Randall
    • K. Aida
    • Y. Hashimoto

    OriginalPaper Pages: 179 - 184

14. Coexistence: Symbiotic sharing of feeding territories and algal food by some coral reef fishes from the Western Indian Ocean

    • D. R. Robertson
    • N. V. C. Polunin

    OriginalPaper Pages: 185 - 195

15. The association of N₂-fixing bacteria with sea urchins

    • M. L. Guerinot
    • D. G. Patriquin

    OriginalPaper Pages: 197 - 207

16. Availability of dissolved free glucose to heterotrophic microorganisms

    • K. Gocke
    • R. Dawson
    • G. Liebezeit

    OriginalPaper Pages: 209 - 216

17. Community metabolism of adenylates by microheterotrophs from the Los Angeles Harbor and Southern California coastal waters

    • S. M. McGrath
    • C. W. Sullivan

    OriginalPaper Pages: 217 - 226