This record is an overview entry for biological data collected on Diamantina cruise Dm 3/63. This cruise took place in the Indian Ocean off Western Australia during 9 July to 11 August 1963, under the leadership of B. Newell. Biological data collected on this cruise include primary production rates; pigment samples; zooplankton biomass; particulate carbon values; and micronekton samples. Please note: This metadata record is a preliminary entry derived from information in the cruise report. Individual data types - which may span several cruises - will be indexed separately within this metadata system in due course.