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本文报道的是在九龙江口自然海区近江牡蛎繁殖季节，定期采集牡蛎。对其性腺成熟度及精卵排放情况进行观察，采拖海区水样，镜极其浮游幼虫各发育阶段和数量的变化，准确掌握在其发育至变态附着高峰时，及时投放采苗器进行采苗附着，结果获得良好的效果。同时详细介绍自然海区近江牡蛎繁殖规律和自然海区采苗技术，可供有关牡蛎养殖部门和养殖渔民参考。
This paper reports the oyster collected regularly in the natural oyster in the Jiulongjiang estuary. Observation of their gonad maturation and sperm-egg excretion was carried out. The water samples collected from the towing seaweed and their changes in the development stage and number of the larvae were accurately grasped. When they reached the peak of their metamorphosis, Attached, the results get good results. At the same time details the natural sea Oyster Oyster reproductive law and the natural sea mining technology, available for the oyster aquaculture sector and farmer reference.