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'The ecology of juvenile penaeid prawns, mangrove crabs (Scylla serrata) and the giant freshwater prawn (Macrobrachium rosenbergii) in the Purari Delta.'
'The ecological significance and economic importance of the mangrove and estuarine communities of Gulf Province, Papua New Guinea.'
'The dugong, Dugong dugon (Muller 1776) in Papua New Guinea. A programme for conservation and management and public education.'
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