Jendrian Riedel, Katrin Eisele, Mariam Gabelaia, Timothy E. Higham, Joseph Wu, Quyen Hanh Do, Truong Quang Nguyen, Camila G. Meneses, Rafe M. Brown, Thomas Ziegler, L. Lee Grismer, Anthony P. Russell, Dennis Rödder
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引用次数: 0
摘要
我们对31个Cyrtodactylus种群（亚支系）中的25个种群（合计代表了Grismer等（2020，2021）提出的所有Cyrtodactylus生态型）的手（manus）和足（pes）的自体鳞片亚鳞片面积进行了量化。此外，我们还分析了趾下鳞片的形状，将二维几何形态计量学应用到趾上，以研究鳞片比例的细微变化（Howell等人，2022年）。两个数据集均采用系统发生比较方法进行分析。我们假设，代表不同微生境的仙人掌类物种在相对趾下鳞片面积和形状上会有所不同。我们预测陆生物种的鳞片面积将小于扫描物种，而通食物种的鳞片面积将介于陆生物种和扫描物种之间。我们预测陆生物种的鳞片会相对较大，呈圆形至四边形，是无垫蜥蜴的典型特征；而有鳞物种的鳞片会相对较短但较宽，更类似于有垫壁虎的典型薄片或鳞片。同样，一般物种被认为在形态空间上处于介于无鳞生态型和陆生生态型之间的中间位置。由于粘附性趾垫被认为与在光滑表面上的运动关系最为密切（Higham等人，2019；Higham, Gamble等人，2017；Naylor & Higham, 2019），而光滑表面似乎在树栖微生境中更为普遍（Pillai等人，2020a, 2020b.）、2020a, 2020b），因此我们预测，与树栖生态型相比，树栖生态型可能会进化出与垫状壁虎所表现的趾垫形态更相似的特征（例如，相对较大的趾下鳞片面积和/或更多的片状趾下鳞片（此处定义为视觉上看起来比长宽的鳞片））。然而，目前还没有关于Cyrtodactylus微生境类别粗糙度的定量测量数据，因此我们的详细比较仍然是探索性的，由于岩石和植物表面的粗糙度差异很大，树栖生态型和轴棘生态型内部的潜在差异也是探索性的（Higham等人，2019；Johnson等人，2009；Pillai等人，2020b）。
期刊介绍：
Functional Ecology publishes high-impact papers that enable a mechanistic understanding of ecological pattern and process from the organismic to the ecosystem scale. Because of the multifaceted nature of this challenge, papers can be based on a wide range of approaches. Thus, manuscripts may vary from physiological, genetics, life-history, and behavioural perspectives for organismal studies to community and biogeochemical studies when the goal is to understand ecosystem and larger scale ecological phenomena. We believe that the diverse nature of our journal is a strength, not a weakness, and we are open-minded about the variety of data, research approaches and types of studies that we publish. Certain key areas will continue to be emphasized: studies that integrate genomics with ecology, studies that examine how key aspects of physiology (e.g., stress) impact the ecology of animals and plants, or vice versa, and how evolution shapes interactions among function and ecological traits. Ecology has increasingly moved towards the realization that organismal traits and activities are vital for understanding community dynamics and ecosystem processes, particularly in response to the rapid global changes occurring in earth’s environment, and Functional Ecology aims to publish such integrative papers.
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