Preliminary trials of combined Artemia rearing and salt production in earthen salt ponds in the Philippines
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This paper describes trials at combining Artemia rearing with salt production during the dry season, in newly-constructed earthen salt ponds (reservoir, evaporation, concentration, and crystallization ponds, total area of 5,000 m2 at the Leganes, Iloilo Station of the SEAFDEC Aquaculture Department. Salt production by the solar method amounted to 250 sacks of slat over 30 days or an average of 8 sacks/day (1 sack = 50 kg). Two successful Artemia inoculations were undertaken in May and June 1979 respectively : in both cases the adult stage was reached after 1 week. The May population died off when the salinity was suddenly increased by salt addition. The June population gradually disappeared at the onset of the rainy season.
Primavera, J. H., Estenor, D., & Acosta, P. (1980). Preliminary trials of combined Artemia rearing and salt production in earthen salt ponds in the Philippines. In G. Persoone, P. Sorgeloos, O. Roels, & E. Jaspers (Eds.), The Brine Shrimp Artemia. Proceedings of the International Symposium on the brine shrimp Artemia salina, Corpus Christi, Texas, USA, August 20-23, 1979. (Vol. 3. Ecology, Culturing, Use in Aquaculture, pp. 207–214). Wetteren, Belgium: Universa Press.
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Conference paperIC Liao, JJ Guo & MS Su - In JR Arthur, CR Lavilla-Pitogo & RP Subasinghe (Eds.), Use of Chemicals in Aquaculture in Asia : Proceedings of the Meeting on the Use of Chemicals in Aquaculture in Asia 20-22 May 1996, Tigbauan, Iloilo, Philippines, 2000 - Aquaculture Department, Southeast Asian Fisheries Development CenterAquaculture in Taiwan has a history of more than three centuries. To satisfy consumer preferences, a wide variety of aquatic species, 71 in 1993, are being cultured in Taiwan. It is difficult to control diseases when many species are cultured and stocking densities are high. At present, it is important to manage the use and application of chemotherapeutants effectively. Many aquatic animal diseases fall under the category of potentially curable illnesses. These include diseases of bacterial, protozoan, fungal, and environmental etiologies. This paper summarizes the chemicals used in aquaculture, farm management practices, alternative disease prevention methods, national regulations, and the current research on chemical use for aquaculture in Taiwan.
ArticleMSR Licop -
Aquaculture, 1988 - ElsevierThe effects of Na-EDTA on growth and survival of Penaeus monodon larvae were determined for applications given daily or every 3 days. Application of 2.0, 5.0, and 10.0 ppm were given on day 1, day 4 and day 7 in Experiment 1, and 5.0 and 10.0 ppm were given daily for 8 days in Experiment 2. Larvae stocked at 100/liter were given a natural food diet of Chaetoceros calcitrans and Artemia salina nauplii. Chloramphenicol (2.0 ppm) and Treflan R (0.05–0.10 ppm) treatments were applied on the same days as Na-EDTA. Water change was 30% on day 4 and 50% daily thereafter. Results showed that the application of Na-EDTA at 5.0 and 10.0 ppm on days 1, 4 and 7 greatly improved the survival of P. monodon larvae. With daily application, the larvae treated with 10.0 ppm showed the best survival rate during the 8-day culture period. Na-EDTA treatments at dosages above 2.0 ppm seem to prevent significant mortality. It is believed that Na-EDTA improved survival rates by chelating toxic elements in the culture medium. Growth (rate of metamorphosis) was not greatly improved except for anuplii to zoea where the highest percent molts were observed with the 10.0 ppm treatment in both experiments.
ArticleE Barbier, EW Koch, BR Silliman, SD Hacker, E Wolanski, JH Primavera, EF Granek, S Polasky, S Aswani, LA Cramer, DM Stoms, CJ Kennedy, D Bael, CV Kappel, GME Perillo & DJ Reed -
Science, 2008 - American Association for the Advancement of ScienceA common assumption is that ecosystem services respond linearly to changes in habitat size. This assumption leads frequently to an “all or none” choice of either preserving coastal habitats of converting them to human use. However, our survey of wave attenuation data from field studies of mangroves, salt marshes, seagrass beds, nearshore coral reefs, and sand dunes reveals that these relationships are rarely linear. By incorporating nonlinear wave attenuation is estimating coastal protection values of mangroves in Thailand, we show that the optimal land use option may instead be the integration of development and conservation consistent with ecosystem-based management goals. This result suggests that reconciling competing demands on coastal habitats should not always result in stark preservation-versus conversion choices.