The oldest industry on Taiwan's western coast is the cultivation of oysters. Because of the development of industrial areas, the oyster industry is gradually limited to Changhua to Tainan area, but the number of natural oysters in Tainan and other places is very small, most fishermen have to go to Yunlin Taixi to buy oyster seedlings. Oysters are filter-feeding animals that feed on algae that purify water, protect the coast, and sequesrer carbon. Not only does it support the lives of fishermen, but it also contributes greatly to the environment.
漁光島
基地現況
漁光島的養蚵
台灣西部沿海歷史最悠久的產業,就是養蚵了。
蚵又稱牡蠣,因為工業區的開發,養蚵產業逐漸限縮在彰化到台南一帶,然而台南等地天然蚵苗的數量很少,大部分漁民要到雲林台西購買蚵苗。
牡蠣屬於濾食性動物,吃水中的藻類,可以淨化水質,保護海岸,還可以固碳。
不但支持漁民的生活,對環境來說,也有很大的貢獻。
自然附著在石頭上成長稱為「石頭蚵」,以竹蔑插在海中讓蚵苗附著成長稱為「插蚵」,而以塑膠細繩穿過蚵殼,串成一串串,懸掛在蚵棚上稱為「吊蚵」,有水平及垂直兩種方式。
牡蠣依各地地形不同而有不同的養殖方式,在較淺海域或潮間帶大都使用插枝式及平掛式養殖,較深的海域則採垂下式養殖。現在為了避免受到河川污染的影響,而發展出以竹筏式和延繩式的養殖。
牡蠣養殖方式:插枝式、 平掛式、垂下式、竹筏式、延繩式
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