1. Science management of the world's fragile coral reefs

   • Richard W. Grigg

   Editorial Pages: 1 - 1

2. Ancient reef ecosystem expansion and collapse

   • P. Copper

   Reports Pages: 3 - 11

3. The present really is a key to the past!

   • W. F. Precht

   Reef Sites Pages: 12 - 12

4. Estimation of bottom ammonium affinity in the New Caledonia lagoon

   • G. Boucher
   • J. Clavier
   • C. Garrigue

   Reports Pages: 13 - 19

5. Wave-energy distribution and hurricane effects on Margarita Reef, southwestern Puerto Rico

   • A. Lugo-Fernández
   • M. L. Hernández-Ávila
   • H. H. Roberts

   Reports Pages: 21 - 32

6. Population genetics of the corallivorous gastropod Drupella cornus at Ningaloo Reef, Western Australia

   • K. Holborn
   • M. S. Johnson
   • R. Black

   Reports Pages: 33 - 39

7. International Society for Reef Studies

   Announcement Pages: 40 - 40

8. Spatial variability in the abundance of the corallivorous gastropod Drupella cornus

   • S. J. Turner

   Reports Pages: 41 - 48

9. Electrophoretic identification of poritid species (Anthozoa: Scleractinia)

   • R. L. Garthwaite
   • D. C. Potts
   • T. J. Done

   Reports Pages: 49 - 56

10. A complex allorecognition system in a reef-building coral: delayed responses, reversals and nontransitive hierarchies

    • N. Chadwick-Furman
    • B. Rinkevich

    Reports Pages: 57 - 63