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patch reef 小而孤立的珊瑚礁。

patch test

The reefs with linear appearances stretching from south to north in jiantianba - linchang are margin reefs , reefs located in the low slope of hongchun gulf are mud mound , and reefs in jiang 7 well , shibaozai and laolongdong etc . are patch reefs 連結生物則為藍綠藻、 tubiphytes以及包覆狀tabulozoa 。附礁生物種類繁多、有苔蘚蟲、腕足類、有孔蟲、蜓、棘皮類等。

And the reefs can be divided into three types : reefs developed in the margin of platform , mud mound in the low slope and patch reefs within the platform 黃泥塘一帶屬紅椿灣邊緣下斜坡的泥丘礁或生物灰泥丘。建7井區、石寶寨、老龍洞等生物礁則屬于臺內點礁。