Changes in the population structure and diet of the Chinese stripe-necked turtle (Mauremys sinensis) inhabiting a disturbed river in northern Taiwan

Tien Hsi Chen*, Kuang Yang Lue

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

Tien-Hsi Chen and Kuang-Yang Lue (2009) Changes in the population structure and diet of the Chinese stripenecked turtle (Mauremys sinensis) inhabiting a disturbed river in northern Taiwan. Zoological Studies 48(1): 95-105. The population structure and diet of the Chinese stripe-necked turtle, Mauremys (Ocadia) sinensis, were investigated in the Keelung River, northern Taiwan, following severe habitat disturbances. During a 2-yr levee construction and channel dredging project, the physical characteristics and riparian vegetation of the river were dramatically altered. Compared with results obtained prior to the disturbance, sex ratios were significantly skewed toward males, and the proportion of larger females significantly decreased both during and after project construction. Moreover, fewer small-sized juveniles were found following the construction disturbance. The diet of M. sinensis also changed, with plant materials assuming greater importance than they had prior to the disturbance. Furthermore, the mean volume of food ingested decreased both during and after the project. This tendency was more pronounced in females than males. Dietary overlap indices between the sexes during (0.591) and after (0.922) the project suggest that intraspecific food competition increased throughout the duration of the study. http://zoolstud.sinica.edu.tw/Journals/48.1/95.pdf.

原文英語
頁(從 - 到)95-105
頁數11
期刊Zoological Studies
48
發行號1
出版狀態已發佈 - 2009 1月

ASJC Scopus subject areas

  • 動物科學與動物學

指紋

深入研究「Changes in the population structure and diet of the Chinese stripe-necked turtle (Mauremys sinensis) inhabiting a disturbed river in northern Taiwan」主題。共同形成了獨特的指紋。

引用此