性畸变对腹足类生殖和种群的影响

生态学杂志 ›› 2004, Vol. ›› Issue (6): 89-93.

性畸变对腹足类生殖和种群的影响

施华宏^1,2, 于秀娟², 朱四喜¹, 黄长江¹

1. 汕头大学, 科技中心水生生物技术与环境资源保护研究所, 汕头, 515063;
2. 暨南大学, 水生态科学研究所, 广州, 510632

收稿日期:2003-08-28 修回日期:2004-02-12 出版日期:2004-12-10
通讯作者: 黄长江
基金资助:
国家自然科学基金项目(40176029);广东省重大科技兴海项目(A200005F02);广东省自然科学基金资助项目(000792)

Effects of imposex on reproduction and population of gastropods

SHI Huahong^1,2, YU Xiujuan², ZHU Sixi¹, HUANG Changjiang¹

1. Institute of Aquatic Biotechnology and Environmental Resources Protection, Shantou University, Shantou 515063, China;
2. Institute of Hydrobiology, Jinan University, Guangzhou 510632, China

Received:2003-08-28 Revised:2004-02-12 Online:2004-12-10

摘要/Abstract

摘要： 具有内分泌干扰效应的三丁基锡能引起腹足类产生性畸变现象。在性畸变过程中,雌性个体会由于生殖孔口被前列腺取代或被输精管阻塞、贮精囊或卵囊腺开裂、卵囊腺内部被阻塞以及卵巢转化为精巢等多种原因而丧失生殖能力,甚至死亡。并由此引起雌、雄性比和幼、成年个体比的降低,导致种群衰退。有浮游幼体的种类可以通过外来种群的成功迁入使种群得以维持,而无浮游幼体的种类,由于幼体迁移能力差而最终导致种群的区域性灭绝。性畸变这种典型的功能效应对其他内分泌干扰物质的生态效应研究有启示作用。

关键词: 能量, 木麻黄, 均一性风积沙土, 红壤性风积沙土

Abstract: Imposex in gastropods can be induced by tributyltin,which acts as endocrine disrupting chemicals.In the development of imposex,female will become sterile and even dead when the vulva is replaced by the prostate or blocked by the vas deferens,the bursa compulatrix or the capsule gland opens,the capsule gland is blocked interiorly,and the ovary becomes testis.Subsequently,the ratio of female to male and the juveniles to the adults decreases,and the population declines.The population with planktonic larva can sustain by immigrating,while one without planktonic larva will extinct locally due to the limited dispersal of juvenile snails.The functional effect of imposex is revelatory to the research of ecological effect for other endocrine disrupting chemicals.

Key words: Energy, Casurina equisetifolia, Homogeneous eolian sandy soil, Red earth eolian sandy soil

中图分类号:

X145

施华宏, 于秀娟, 朱四喜, 黄长江. 性畸变对腹足类生殖和种群的影响[J]. 生态学杂志, 2004, (6): 89-93.

SHI Huahong, YU Xiujuan, ZHU Sixi, HUANG Changjiang. Effects of imposex on reproduction and population of gastropods[J]. cje, 2004, (6): 89-93.

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