不同基质对旱地沙蜥运动表现的影响  

Effects of different substrates on the sprint performance of Phrynocephalus helioscopus (Agamidae)

作　　者：郑鹏 梁涛[1] 王新辉 郭成涛 苗佳帅 时磊[1] ZHENG Peng;LIANG Tao;WANG Xin-hui;GUO Cheng-tao;MIAO Jia-shuai;SHI Lei(College of Animal Science,Xinjiang Agricultural University,Urumqi 830052,China)

机构地区：[1]新疆农业大学动物科学学院

出　　处：《生态学杂志》2019年第11期3394-3399,共6页Chinese Journal of Ecology

基　　金：国家自然科学基金项目(31660613,31260511);教育部2017年度国家级大学生创新创业训练计划项目(20171078055)资助

摘　　要：基质类型是影响蜥蜴运动表现的重要因素之一,然而关于基质特性如何影响蜥蜴运动表现的研究较少。我们研究了旱地沙蜥在不同类型的基质表面(如砾石、黏土和沙粒)上的冲刺速度和形态指标及其与基质特性之间的关系。结果表明:旱地沙蜥在大多数类型基质上的最大冲刺速度及速度敏感性没有显著差异。然而,旱地沙蜥的形态指标和运动表现的相关性受到基质特性的影响,在基质缝隙长度、宽度和面积较大的基质上(大砾石基质),旱地沙蜥的部分趾长(前肢第1趾和后肢第3趾)与其最大冲刺速度呈显著负相关(P<0.05)。在可支撑面积比例最小的基质上(中砾石基质),旱地沙蜥的后肢长与其最大冲刺速度呈显著负相关(P<0.05)。而在基质缝隙长度、宽度、面积较小,可支撑面积比例较大的基质上(小砾石),旱地沙蜥的前肢第4趾长与最大冲刺速度呈显著正相关,而左侧后肢第5趾长与其呈显著负相关(P<0.05)。上述结果表明旱地沙蜥遵循"万金油"策略。Substrate type is an important factor affecting the locomotor performance of lizards,but empirical evidence is scarce. We compared the sprint speeds and morphological indices of Phrynocephalus helioscopus on substrates with different properties,including gravel,clay,and sand.We found no significant differences in sprint speed or sprint sensitivity among different substrate types. However,the sprint performance of P. helioscopus was correlated with morphological indices,which were affected by substrate properties. On substrates with larger substance gap lengths,widths,and areas,such as large gravel,we detected a significant negative correlation between the toe length( digit Ⅰ of the hand and digit Ⅲ of the feet) of P. helioscopus and its maximum sprint speed( P<0.05). On substrates with a smaller proportion of supporting area such as midsized gravel,there was a significant negative correlation between the hind limb length of P.helioscopus and its maximum sprint speed( P < 0. 05). We found significant positive correlation between the length of digit IV of the hand of P. helioscopus and its maximum sprint speed on substrates with smaller substance gap lengths,widths,and areas or those with larger proportions of supporting area such as small gravel( P<0.05). In conclusion,the similar levels of performance on different types of substrate suggest that P. helioscopus follows the"jack of all trades and master of none"locomotor strategy.

关 键 词：旱地沙蜥 运动表现 形态特征 基质特性 

分 类 号：G63[文化科学—教育学]