期刊论文

Zhang, M.-W.

中文

生态学报

1000-0933

2006

26

3

884-894

10.3321/j.issn:1000-0933.2006.03.034

国家十一五科技攻关项目（2005BA529A05） 中国科学院知识创新工程重要方向资助项目（KZCX2-SW-415）

本校为第一且通讯机构

在洞庭湖区域,社鼠（Niviventer confucianus）种群主要栖息在山区和丘陵地带的林地内.总体而言,其种群雌性比基本维持在50%左右,但在季节间和年龄组间有一定的差别,雌性比在冬、春季较低,夏、秋季的雌性比都超过50%.年龄组间,雌性比最高的为幼年组66.7%,亚成年和成年组的雌性比接近50%,而老年组的雌性比为最低,为33.3%.所有雌鼠全年的怀孕率为31.1%,平均胎仔数为3.7只,繁殖指数为0.58.春、夏季怀孕率较高,冬季没有捕获到怀孕的雌鼠,仅捕获到有怀孕经历（有宫斑）的雌鼠.繁殖指数在夏、秋季维持高峰水平.雌性社鼠总的参产率为53.3%,各季间呈现从春、夏到秋逐渐增加的趋势,冬季停止怀孕.可见夏、...

Sulphur bellied rats (Niviventer confucianus) were collected from Taoyuan County in 1998 to 2001, from YueYan County in 1992 to 1994, and in 2003 to 2004. The animals were caught primarily in their preferred woodland habitat. A total of 109 specimens were captured, and 90 animals were autopsied to determine reproductive condition. Position, size and weight of testes were noted in males. For females, the reproductive tract was examined for tubal condition of the uterus, number and size of embryos, and placental scars. Specimens were assigned to ...