饮马河螺类的来源及分布

• 作 者: 杜增瑞
• 机 构: 吉林医科大学生物教研室,
• 出 处: 吉林大学学报(医学版)
• 发表日期: 1963年01期
• 关键词: 螺类 饮马河 九台县 小南河 水道 后三家子 沟渠 平方米 城南 禹河

一、饮马河水道系统我国东北的稻田和其它;地区一样,种水稻前先挖好沟渠或修理水道,水才能流入稻田中。稻田水的流入或排出,完全用人工的方法来控制。以九台县后小屯和饮马河来讲,自然也成为水道系统,决不是随意漫无边际地流动。后小屯的水是由九台县城南小南河而来,而小南河乃是由土

First, the Yinma River system of paddy fields in northeastern China and other regions; the same kind of rice digging ditches or repair waterways before water can flow into the rice fields. Paddy water inflow or discharge, completely artificial way to control. To Jiutai Hou Xiaotun and Yinma River speaking, it naturally became a waterway system, by no means is free to flow endlessly. After the water is Xiaotun Jiutai County south of the small southern river, and the small river but by the soil