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No Thumbnail AvailableProjectStudy report on smoked products made from giant clam (Tridacna derasa) at the Micronesian Mariculture Demonstration Centre, Koror, Palau
SOUTH PACIFIC AQUACULTURE DEVELOPMENT PROJECT
1989Also available in:
No results found.The product was given to staff and visitors of the MMDC, comprising Palauans, Americans and Japanese, to taste. The end product had a matt, dark amber to woody colour, the texture being chewy but not unpleasantly so. The taste being only slightly salty, with a light sweetness and a clear clam taste. The smoked mantle took up the shape of a ring. This product being considered more tasty, if more chewy than the adductor muscle. The coloured part of the processed mantle ended up a ve ry dark green, almost black, with a certain vegetable taste to it. Some tasters in the panel objected to this part of the meat, but it was considered important to leave it in order to give the product a typical “giant clam” appearance, and to avoid further weight loss. The surface of the cut appeared translucent white. The adductor muscle, although more appealing in aspect, had a blander taste and a more outspoken “grain” in the structure. The colour of the cut is of a more opaque whit e. After trials, the panel found the smoked guts to be a less valuable product, although the taste is good. These were therefore not utilised in later experiments. 3 1801g 612g 420g 563g 389g 171g 549g 386g 165g 411g 302g 127g 31% 63.5% 40.7% 97% 99% 96.5% 75% 78.2% 77% 29.5% 5 6920g 2240g 3090g 1683g 1192g - 1536g 1094g - 1324g 981g 24.3% 53.2% - 91% 92% - 86.2% 89.7% - 25.2% 7 2865g 902g 1415g 752g 473g - 679g 441g - 531g 364g - 26.2% 52.4% - 90.3 92.2% - 78.2% 82.2% 23.8% Legend: Exp. = experiment number;M = mantle;A = adductor -
No Thumbnail AvailableProjectA giant clam stock survey and preliminary investigation of pearl oyster resources in the Tokelau Islands
SOUTH PACIFIC AQUACULTURE DEVELOPMENT PROJECT
1989Also available in:
No results found.A stock survey of the two species of giant clam, Tridacna maxima (fahua nao) and T. squamosa (fahua taka) was carried out between 18 May - 15 June 1989 at the three atolls of Tokelau: Fakaofo, Nukunonu, and Atafu. The field surveys utilised small boats belonging to the Department of Agriculture and Fisheries. The survey team consisted of the author and Fisheries Officer covering all the atolls and Agriculture casual assistants at each atoll. A surface tow method was employed (2 divers, one each side of the boat) to count clams over measured distances. Tows were made around the perimeter of the lagoon reef covering depths up to 12-15m, around patch reefs in the centre of the lagoons, and two tows on the ocean side of each atoll. In addition, reef flat transects were made to determine clam densities over these large shallow areas bordering the lagoon. The following number of tows; reef flat transects were made: Fakaofo - 72;3, Nukunonu - 61;3, Atafu - 35;2. A preliminary investigation was also made to look at the presence of stocks of the black-lipped pearl oyster, Pinctada marqaritifera in the three atoll lagoons. Here, SCUBA was used to make dives from patch reefs or bommies in the lagoon to a maximum depth of 120ft [36m]. Densities of pearl oysters and spiny oysters (Spondylus sp.) were recorded at several depths down to 100 [30m] or 120ft. No live or dead pearl oyster shells were found in any of the atolls. Densities of Spondylus sp. were high at dive sites in Fakaofo lag oon (32–56/m2) but considerably less at Nukunonu (<1/m2) and Atafu (0–4/m2). The densities at Fakaofo indicate potential competition (for food and settlement) with spiny oysters if pearl oyster introduction is attempted. At Atafu specimens of the small species Pinctada maculata were found. -
Book (stand-alone)Beyond timber: social, economic and cultural dimensions of non-wood forest products in Asia and the Pacific 1995
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