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马尼拉全海笋的生态观察
THE ECOLOGICAL OBSERVATION OF Barnea manilensis
【摘要】 对马尼拉全海笋Barneamanilensis(Philippi)的生态环境、生活习性与分布等进行了观察。马尼拉全海笋在我国仅分布于南海,生活在潮间带高、中潮区风化岩石或胶粘的泥质中,生活海区的水温8~32℃,盐度20~33,海水pH8.2~8.4,穴深随壳长的增长而加深,洞穴与滩面呈45~90°。以底栖硅藻和有机碎屑为食。壳长平均第一年为45.1mm,第二年达57.2mm,第三年63.2mm。雌雄异体,繁殖期在夏季。肉可食用。
【Abstract】 This article describes the ecological environment, specific features and distribution of Barnea manilensis.B. manilensis is distributed over the Japan, Philippines and South China Sea. It lives in weathered rocks of sticky mud in the high-middle region of the tidal zone. Optimum water temperature ranges from 8°to 32℃, salinity ranges from 20 to 23‰, sea water pH value is 8.2 to 8.4. The depth of the burrowed hole deepens with the growth of shell length. The hole normally has an angle of 45°to 90°with the beach surface.The specoes lives on crushed bits of bottom diatom. It is of gonochorism, the breeding season takes place in summer. The average growth of shell length is 45. 1mm in the first year, in the second year 57. 2mm and in the third year 63. 2mm. The meat is edible.
- 【文献出处】 湛江水产学院学报 , 编辑部邮箱 ,1996年01期
- 【分类号】S968.3
- 【被引频次】1
- 【下载频次】41