摘要
本文根据1987.12～1989.4对舟山朱家尖岛南沙沙滩逐月采集标本进行研究。结果表明,等边浅蛤Gomphina veneriformis的性腺发育可分为5期:增殖期、生长期、成熟期、排放期和休止期。在舟山海区,等边浅蛤一年中为一个繁殖周期,繁殖期为8月下旬至9月中旬。有雄性早熟现象。
This paper deals with the regular the development patterns of gonad and the reproductive cycles of Gomphina veneriformis (Lamarck). According to the cytological characteristics of the developing sexual cell and the change of the precentage of drain body weight and the precentage of fresh body weight in different developing periods, the development of gonad can be divided into five stages: (1) proliferation period, (2) growth period, (3) maturation period, (4) spawning period and (5) resting period.There is one annual spavoring peak in the Zhoushun sea area, from the last ten days of August to the middle ten days of September. Some early-maturing males were found.
出处
《台湾海峡》
CAS
CSCD
1991年第4期356-363,共8页
Journal of Oceanography In Taiwan Strait
关键词
等边浅蛤
繁殖
周期
性腺
发育
Clam, reproductive cycle, Zhoushan Islands
