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捕食干扰对 Myospalax baileyi 种群繁殖力的影响
魏万红; 王权业; 周文扬; 樊乃昌
1998
Source Publication生态学报
Volume18Issue:2Pages:176
Abstract采用去除法对高原鼢鼠种群繁殖力的变化进行了研究。结果表明, 在未受干扰的种群内有50% 的雌性成体不参与繁殖, 其平均胎仔数3.4只, 种群受干扰后其成体鼠的比例下降, 幼体鼠的比例相对提高, 繁殖鼠的比例和平均胎仔数均相应增加, 随着干扰程度的加剧, 其繁殖力也明显增加。土壤硬度和杂类草生物量决定了高原鼢鼠的种群密度, 而种群密度是影响繁殖力的主要因素, 未受捕食干扰的种群其数量接近于环境容纳量, 由于密度作用使其繁殖力较低, 而在捕食干扰的种群中由于密度降低, 种群内压力减少, 使种群的繁殖力增加。
Keyword高原鼢鼠 捕食干扰 种群繁殖力
Subject Area动物学
Indexed ByCSCD
Language中文
CSCD IDCSCD:458363
Citation statistics
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/1064
Collection中国科学院西北高原生物研究所
Recommended Citation
GB/T 7714
魏万红,王权业,周文扬,等. 捕食干扰对 Myospalax baileyi 种群繁殖力的影响[J]. 生态学报,1998,18(2):176.
APA 魏万红,王权业,周文扬,&樊乃昌.(1998).捕食干扰对 Myospalax baileyi 种群繁殖力的影响.生态学报,18(2),176.
MLA 魏万红,et al."捕食干扰对 Myospalax baileyi 种群繁殖力的影响".生态学报 18.2(1998):176.
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