TAILIEUCHUNG - Introduction and history of cage culture

Open sea activities, such as cage àd pen culture, are viewed by many stakeholders in the industry as the aquaculture system of the millennium. | 1 Introduction and History of Cage Culture Chua Thia Eng1 and Elsie Tech2 1Partnerships in Environmental Management for the Seas of East Asia (PEMSEA), DENR Compound, Visayas Avenue, Quezon City, Philippines; 2Asian Fisheries Society 25-A Mayaman Street, UP Village, Quezon City, Philippines History of Cage Culture were also reports of similar culture practices in Indonesia in the 1920s and Open sea activities, such as cage and pen 1940s (Hickling, 1962). culture, are viewed by many stakeholders in Marine fish farming in cages traces its the industry as the aquaculture system of beginnings to the 1950s in Japan where fish the millennium. Fish production from cages farming research at the Fisheries Laboratory and pens (both in freshwater and marine of the Kinki University led to the com- environments) contributes significantly to mercial culture of the yellowtail, Seriola total foodfish produced. Cage culture has quinqueradiata. Takashima and Arimoto made possible the large-scale production of (2000), however, traced back a history of 200 commercial finfish and will probably be years where wooden farm net cages were the most efficient and economical way of being operated for anchovies or sardines or raising fish. bait for skipjack. Similar cages were later Aquaculturists realize the need to limit used for yellowtail culture in Japan and further conversion of wetlands and man- developed into a significant industry as groves into traditional aquaculture farms. early as 1960. The cage culture of common We face a situation where even freshwater carp (Cyprinus carpio) in lakes also started ecosystems have reached critical levels at this time (Kuronuma, 1968). Since the with respect to their carrying capacities. 1970s, Thailand has developed cage culture The depletion of ocean and coastal fishery techniques for two important marine finfish: resources in some areas has led to the the seabream (Pagrus major) and grouper development of marine cage culture. (Epinephelus spp.)

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