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In 1969 and 1970, Japanese experts commissioned by the Japan Fisheries Association and biologists of the Chilean Division Pesca y Caza undertook ecological and physiochemical surveys of the water resources in Chile which offered potential for salmon acclimation and culture. After an examination of many regions, efforts were concentrated in the central province of Aysen which had considerable logistic and technical advantages in addition to a suitable environment.
Domsea Pesquera Chile, Ltda., operated by Fundacion Chile of Santiago, picked the island of Chiloe for their first effort to introduce Pacific salmon in the southern hemisphere. Chloe, at 42°S, is somewhat more northerly than we would have wished, and we were uncertain about the effects of ocean-current patterns offshore. However, Chloe is accessible by road and close to commercial ship and air services.
The fishermen of the mangrove estuaries of western Sri Lanka have evolved a system of fishing that creates an artificial mangrove habitat. It consists of a pile of mangrove brushwood being placed in the shallows of the estuaries and lagoons, pegged down so that the wood will not be scattered by water movement. When the wood rots, new branches are added, so a single park may exist in the same place for a long time.