ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2014
Torpor is not the only option: seasonal variations of the thermoneutral zone in a small primate.
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 42 citations in OpenAlex.
- Body-Size Change in a Rodent Is Affected by Environmental Warming and Population-Specific Thermoneutral Zone.Animals : an open access journal from MDPI · 2025Article
- Intraspecific variation in metabolic responses to diverse environmental conditions in the Malagasy bat Triaenops menamena.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2025Article
- No evidence for a signal in mammalian basal metabolic rate associated with a fossorial lifestyle.Scientific reports · 2024Article
- City comfort: weaker metabolic response to changes in ambient temperature in urban red squirrels.Scientific reports · 2023Article
- Disparate roost sites drive intraspecific physiological variation in a Malagasy bat.Oecologia · 2022Article
- Tropical bats counter heat by combining torpor with adaptive hyperthermia.Proceedings. Biological sciences · 2021Article
- Sportive lemurs elevate their metabolic rate during challenging seasons and do not enter regular heterothermy.Conservation physiology · 2021Article
- Behavioral adjustments and support use of François' langur in limestone habitat in Fusui, China: Implications for behavioral thermoregulation.Ecology and evolution · 2020Article
- Differential responses of non-human primates to seasonal temperature fluctuations.Primates; journal of primatology · 2020Article
- The Torpid State: Recent Advances in Metabolic Adaptations and Protective MechanismsFrontiers in physiology · 2020Review
- An oversimplification of physiological principles leads to flawed macroecological analyses.Ecology and evolution · 2019Article
- Short and hyperthermic torpor responses in the Malagasy bat Macronycteris commersoni reveal a broader hypometabolic scope in heterotherms.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2018Article
- Staying hot to fight the heat-high body temperatures accompany a diurnal endothermic lifestyle in the tropics.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2018Article
- Article
- The Effects of Climate Seasonality on Behavior and Sleeping Site Choice in Sahamalaza Sportive Lemurs,International journal of primatology · 2018Article
- Article
- Heart rate reveals torpor at high body temperatures in lowland tropical free-tailed bats.Royal Society open science · 2017Article
- Seasonal adaptations in energy budgeting in the primate Lepilemur leucopus.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2017Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The reddish-gray mouse lemur (Microcebus griseorufus) is one of only a few small mammals inhabiting the spiny forest of southwestern Madagascar. In this study we investigated the physiological adjustments which allow these small primates to persist under the challenging climatic conditions of their habitat. To this end we measured energy expenditure (metabolic rate) and body temperature of 24 naturally acclimatized mouse lemurs, kept in outdoor enclosures, during different seasons (summer, winter, and the transition period between the two seasons). Mouse lemurs displayed two main physiological strategies to compensate seasonal and diurnal fluctuations of ambient temperature. On the one hand, individuals entered hypometabolism with decreasing ambient temperature (T a) during the transition period and winter, enabling them to save up to 21 % energy per day (92 % per hour) compared with the normal resting metabolic rate at comparable T a. On the other hand, euthermic mouse lemurs also showed physiological adjustments to seasonality when resting: the lower critical temperature of the thermoneutral zone decreased from summer to winter by 7.5 °C, which allowed mouse lemurs to keep energy demands constant despite colder T as during winter. In addition, the basal metabolic rate was substantially lowered prior to the winter period, which facilitated accumulation of fat reserves. The combination of physiological modifications during euthermia in addition to hypometabolism, which can be individually adjusted according to external parameters and respective body condition, is important as it allows M. griseorufus to cope with the environmental variability of an energetically challenging habitat.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.