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Free Content Effect of Environmental Factors on Gracilaria Cultivated in Taiwan

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The red alga Gracilaria has been cultivated in southern and central Taiwan for 24 years. In 1980, 241 ha were under cultivation and production was 9,621 tons. Growth rates are highest between July and November. The greatest harvest was from the area of Tainan City followed by Pingtung, Kaoshiung, Chiayi, Yunlin and Changhua.

Daylength and water temperature are the most important environmental factors. In winter, the chlorophyll content of Gracilaria and the gel strength of agar extracted from it were higher than in summer, an effect of lower water temperature and shorter photoperiod.

Document Type: Research Article

Publication date: July 1, 1983

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