Shifts in space and time: ecological transitions affect the evolution of resting metabolic rates in microteiid lizards

Author:

Bars-Closel Melissa1,Camacho Agustín2,Kohlsdorf Tiana1ORCID

Affiliation:

1. Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil

2. Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, 05422-970, São Paulo, SP, Brazil

Abstract

Ecological diversification often encompasses exposure to new thermal regimes given by the use of specific spatial (microhabitat) and temporal (activity periods) niches. Empirical evidence provides links between temperature and physiology (e.g. rates of oxygen consumption), fostering predictions of evolutionary changes in metabolic rates coupled with ecological shifts. One example of such correspondence is the evolution of fossoriality and nocturnality in vertebrate ectotherms, where changes in metabolic rates coupled with niche transitions are expected. Because most studies address single transitions (fossoriality or nocturnality), metabolic changes associated with concomitant shifts in spatial and temporal components of habitat usage are underestimated, and it remains unclear which transition plays a major role for metabolic evolution. Integrating multiple ecological aspects that affect the evolution of thermosensitive traits is essential for a proper understanding of physiological correlates in niche transitions. Here we provide the first phylogenetic multidimensional description of effects from ecological niche transitions both in space (origin of fossorial lineages) and time (origin of nocturnal lineages) on the evolution of lizard metabolic rates (Gymnophthalmidae). We found that evolution of resting metabolic rates was affected by both niche transitions, but with opposite trends. Evolution of fossoriality in endemic diurnal microteiids is coupled with a less thermally-sensitive metabolism and higher metabolic rates. In contrast, a reduction in metabolic rates was detected in the endemic fossorial-nocturnal lineage, although metabolic thermal sensitivity remained as high as that observed in epigeal species, a pattern that likely reduces locomotion costs at lower temperatures and also favors thermoregulation in subsuperficial sand layers.

Funder

Fundação de Amparo á Pesquisa do Estado de São Paulo

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Publisher

The Company of Biologists

Subject

Insect Science,Molecular Biology,Animal Science and Zoology,Aquatic Science,Physiology,Ecology, Evolution, Behavior and Systematics

Reference85 articles.

1. Gas exchange and ventilatory responses to hypoxia and hypercapnia in Amphisbaena alba (Reptilia: Amphisbaenia);Abe;J. Exp. Biol.,1987

2. The influence of climate on patterns of termite eating in Australian mammals and lizards;Abensperg-Traun;Aust. J. Ecol.,1994

3. Short note Latitudinal gradients in the species richness of Australian termites (Isoptera);Abensperg-Traun;Aust. J. Ecol.,1997

4. Temperature, activity, and lizard life histories;Adolph;Am. Nat.,1993

5. Temperature effects on oxygen consumption of two nocturnal geckos, Ptyodactylus hassclquistii (Donndorff) and Bunopus tuberculatus (Blanford) (Reptilia: Gekkonidae) in Saudi Arabia;Al-sadoon;J. Comp. Physiol. B,1989

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3