Arid
DOI10.1016/j.jtherbio.2019.102428
Temperature preference across life stages and acclimation temperatures investigated in four species of Drosophila
MacLean, Heidi J.1; Overgaard, Johannes1; Kristensen, Torsten N.2; Lyster, Catrine1; Hessner, Leander1; Olsvig, Esajas1; Sorensen, Jesper G.1
通讯作者MacLean, Heidi J.
来源期刊JOURNAL OF THERMAL BIOLOGY
ISSN0306-4565
出版年2019
卷号86
英文摘要Ectotherms can use microclimatic variation and behavioral thermoregulation to cope with unfavorable environmental temperatures. However, relatively little is known about how and if thermoregulatory behavior is used across life stages in small ectothermic insects. Here we investigate differences between three specialized Drosophila species from temperate, tropical or desert habitats and one cosmopolitan species by estimating the preferred temperature (T-pref) and the breadth (T-breadth) of the distribution of adults, adult egg-laying, and larvae in thermal gradients. We also assess the plasticity of thermal preference following developmental acclimation to three constant temperatures. For egg-laying and larvae, we observe significant species differences in preferred temperature but this is not predicted by thermal ecology of the species. We corroborated this with previous studies of other Drosophila species and found that T-pref for egg laying and larvae have no relationship with annual mean temperature of the species' natural habitat. While adults have the greatest mobility, they show the greater variation in preference compared to juveniles contradicting common assumptions. We found evidence of developmental thermal acclimation in adult egg-laying preferred temperature, T-pref increasing with acclimation temperature, and in the breadth of the temperature preference distributions, T-breadth decreasing with increasing acclimation temperature. Together, these data provide a high resolution and comprehensive look at temperature preferences across life stages and in response to acclimation. Results suggest that thermal preference, particularly in the early life stages, is relatively conserved among species and unrelated to temperature at species origin. Measuring thermal preference, in addition to thermal performance, is essential for understanding how species have adapted/will adapt to their thermal environment.
英文关键词Thermoregulatory behavior Climate change Thermal preference Thermal optima
类型Article
语种英语
国家Denmark
收录类别SCI-E
WOS记录号WOS:000501652200005
WOS关键词UPPER THERMAL LIMITS ; THERMOREGULATORY BEHAVIOR ; SENSITIVITY ; MELANOGASTER ; TOLERANCE ; EXTREMES ; PERFORMANCE ; ADAPTATION ; PLASTICITY ; EVOLUTION
WOS类目Biology ; Zoology
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Zoology
EI主题词2019-12-01
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/311398
作者单位1.Aarhus Univ, Dept Biosci, Ny Munkegade 116, DK-8000 Aarhus C, Denmark;
2.Aalborg Univ, Dept Chem & Biosci, Fredrik Bajers Vej 7H, DK-9220 Aalborg E, Denmark
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GB/T 7714
MacLean, Heidi J.,Overgaard, Johannes,Kristensen, Torsten N.,et al. Temperature preference across life stages and acclimation temperatures investigated in four species of Drosophila[J],2019,86.
APA MacLean, Heidi J..,Overgaard, Johannes.,Kristensen, Torsten N..,Lyster, Catrine.,Hessner, Leander.,...&Sorensen, Jesper G..(2019).Temperature preference across life stages and acclimation temperatures investigated in four species of Drosophila.JOURNAL OF THERMAL BIOLOGY,86.
MLA MacLean, Heidi J.,et al."Temperature preference across life stages and acclimation temperatures investigated in four species of Drosophila".JOURNAL OF THERMAL BIOLOGY 86(2019).
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