额尔齐斯河白斑狗鱼寄生单肠四钩虫的种群生态学研究

干旱区研究 ›› 2011, Vol. 28 ›› Issue (4): 665-668.

额尔齐斯河白斑狗鱼寄生单肠四钩虫的种群生态学研究

赵江山, 焦丽, 汪博良, 古丽加玛·买买提, 岳城

新疆农业大学动物医学学院, 新疆乌鲁木齐 830052

收稿日期:2011-03-02 修回日期:2011-03-24 出版日期:2011-08-25 发布日期:2011-09-06
作者简介:赵江山(1984-),男,硕士研究生,主要从事动物寄生虫学研究.E-mail:Zhaojsh888@163.com
基金资助:
国家自然科学基金项目(30860216);淡水生态与生物技术国家重点实验室开放课题(2011FB06)

Population Ecology of Tetraonchus monenteron in Esox lucius Linnaeus in the Ertix River

ZHAO Jiang-shan, JIAO Li, WANG Bo-liang, Guli Jamal Mamat, YUE Cheng

College of Veterinary Medicine, Xinjiang Agricultural University, Urumqi 830052, China

Received:2011-03-02 Revised:2011-03-24 Published:2011-08-25 Online:2011-09-06

摘要/Abstract

摘要： 通过野外取样调查,对额尔齐斯河白斑狗鱼鳃部寄生的单肠四钩虫(Tetraonchus monenteron)的种群生态学进行了研究。结果表明:感染率、感染强度在不同的宿主体长组表现出不同的变化趋势,平均感染率为45.4%,而平均感染强度为11.8±6.05,随着宿主体长的增大,单肠四钩虫的感染率逐渐减小,而感染强度却逐渐增大;平均丰度和方差均比则随宿主体长的增大而出现先增大后减小的变化趋势,且方差均比(S/X)在不同的宿主体长组中均大于1 ,表明单肠四钩虫在宿主白斑狗鱼种群中均呈聚集分布,且聚集强度随着平均丰度的增加而增加。

关键词: 白斑狗鱼, 单肠四钩虫, 种群生态学, 额尔齐斯河

Abstract: The population ecology of Tetraonchus monenteron was investigated by analyzing the field-collected samples. The results show that the prevalence and infection intensity were different from different host groups with different body lengths, the mean prevalence was 45.4%, the mean infection intensity was 11.8±6.05, the prevalence was decreased but the infection intensity was increased with the increase of host body length; the mean abundance and the variance-mean ratio of Tetraonchus monenteron in the host Esox lucius Linnaeus were increased at first and then decreased with the increase of host body length, and the variance-mean ratio was higher than 1 in all the host groups with different body lengths, the over-dispersion of parasite population in host population was observed, and the degree of the aggregation increases with the increase of mean abundance.

Key words: Esox lucius Linnaeus, Tetraonchus monenteron, population ecology, Ertix River

中图分类号:

S941.5

赵江山, 焦丽, 汪博良, 古丽加玛·买买提, 岳城. 额尔齐斯河白斑狗鱼寄生单肠四钩虫的种群生态学研究[J]. 干旱区研究, 2011, 28(4): 665-668.

ZHAO Jiang-shan, JIAO Li, WANG Bo-liang, Guli Jamal Mamat, YUE Cheng. Population Ecology of Tetraonchus monenteron in Esox lucius Linnaeus in the Ertix River[J]. , 2011, 28(4): 665-668.

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