ArticleScientific reports2023
Climate warming drives a temperate-zone lizard to its upper thermal limits, restricting activity, and increasing energetic costs.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- A mosaic of microclimates: biodiversity outcomes and wildlife habitat potential in large-scale solar facilities.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Acute Thermal Elevation Alters Cellular Metabolic Activity, Redox Balance, and Iron Homeostasis in Butterfly Lizards (Animals : an open access journal from MDPI · 2026Article
- Caenorhabditis elegans as an experimental model for resilience-boosting microbiota interventions in nonmodel ectotherms.FEMS microbiology reviews · 2026Review
- Rotational Grazing Supports Coexistence of the Endangered Pygmy Bluetongue and Livestock on a Productive Agricultural Property.Ecology and evolution · 2025Article
- Demography Meets Climate Change: Life History Challenges for a Neotropical Viviparous Lizard.Ecology and evolution · 2025Article
- Effects of manipulative prolonged temperature increase on the greater long-tailed hamster (Current zoology · 2025Article
- Are the Kids Alright? Dehydration and High Temperatures During Pregnancy Impact Offspring Physiology, Morphology, and Survival in a Cold-adapted Lizard.Integrative and comparative biology · 2025Article
- Restriction times on the rise: mechanistic modelling of activity time of grassland vipers (Vipera spp.) in the face of climate change.Frontiers in zoology · 2025Article
- The Accelerating Exposure of European Protected Areas to Climate Change.Global change biology · 2025Article
- Altitudinal variation in thermal vulnerability of Qinghai-Tibetan Plateau lizards under climate warming.Current zoology · 2025Article
- Alpine viper in changing climate: thermal ecology and prospects of a cold-adapted reptile in the warming Mediterranean.Scientific reports · 2024Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lizards are considered vulnerable to climate change because many operate near their thermal maxima. Exposure to higher temperatures could reduce activity of these animals by forcing them to shelter in thermal refugia for prolonged periods to avoid exceeding lethal limits. While rising temperatures should reduce activity in tropical species, the situation is less clear for temperate-zone species where activity can be constrained by both low and high temperatures. Here, we measure the effects of natural variation in environmental temperatures on activity in a temperate grassland lizard and show that it is operating near its upper thermal limit in summer even when sheltering in thermal refuges. As air temperatures increased above 32 °C, lizard activity declined markedly as individuals sought refuge in cool microhabitats while still incurring substantial metabolic costs. We estimate that warming over the last two decades has required these lizards to increase their energy intake up to 40% to offset metabolic losses caused by rising temperatures. Our results show that recent increases in temperature are sufficient to exceed the thermal and metabolic limits of temperate-zone grassland lizards. Extended periods of high temperatures could place natural populations of ectotherms under significantly increased environmental stress and contribute to population declines and extinction.
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