A lifetime of mangrove research, management and advocacy
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Apart from a decade of undergraduate teaching, my professional life has been directly or tangentially devoted to mangrove issues. Strife in my native Mindanao pushed my family and me to the peace and quiet of Panay Is. in central Philippines and to research on marine shrimp, the commercial superstars of the mangrove macrobenthos. My early focus was on broodstock development, larval rearing and pond grow-out of penaeids, mainly the mangrove-associated giant tiger prawn Penaeus monodon and the white shrimp P. indicus: Because brackishwater ponds are the dominant aquaculture system in the Philippines, species whose rearing requirements mimic the estuarine habitat, e.g., fluctuating salinity levels, have become the crops of choice. Published papers from this period include a classification of P. monodon egg quality types (Fig. 1: Primavera and Posadas 1981) which allows hatchery technicians to predict larval numbers and the corresponding tank water volume to prepare.
Primavera, J. H. (2012). A lifetime of mangrove research, management and advocacy. In F. Dahdouh-Guebas & B. Satyanarayana (Eds.), Proceedings of the International Conference ‘Meeting on Mangrove ecology, functioning and Management - MMM3’, Galle, Sri Lanka, 2-6 July 2012 (VLIZ Special Publication 57) (pp. 16-23). Oostende, Belgium: Vlaams Instituut voor de Zee (VLIZ).
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Primavera, Jurgenne H.; Guzman, Armi May T.; Coching, Jofel D.; Loma, Rona Joy A.; Curnick, David; Koldewey, Heather J. (Department of Environment and Natural Resources - Ecosystems Research and Development Bureau (DENR-ERDB), 2014)Mangrove rehabilitation has a long history in the Philippines dating back to the 1930s. The standard practice is the planting of bakhaw Rhizophora propagules by paid community members (or volunteers) in seafront sites ...
Primavera, Jurgenne; Esteban, J. M. A. (Springer, 2008)From half a million hectares at the turn of the century, Philippine mangroves have declined to only 120,000 ha while fish/shrimp culture ponds have increased to 232,000 ha. Mangrove replanting programs have thus been ...