Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance
Organisms often experience adverse high temperatures during the daytime, but they may also recover or repair themselves during the night-time when temperatures are more moderate. Thermal effects of daily fluctuating temperatures may thus be divided into two opposite processes (i.e. negative effects...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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The Company of Biologists
2019-03-01
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| Series: | Biology Open |
| Subjects: | |
| Online Access: | http://bio.biologists.org/content/8/3/bio038141 |
| _version_ | 1818922920394620928 |
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| author | Chun-Ming Bai Gang Ma Wan-Zhi Cai Chun-Sen Ma |
| author_facet | Chun-Ming Bai Gang Ma Wan-Zhi Cai Chun-Sen Ma |
| author_sort | Chun-Ming Bai |
| collection | DOAJ |
| description | Organisms often experience adverse high temperatures during the daytime, but they may also recover or repair themselves during the night-time when temperatures are more moderate. Thermal effects of daily fluctuating temperatures may thus be divided into two opposite processes (i.e. negative effects of daytime heat stress and positive effects of night-time recovery). Despite recent progress on the consequences of increased daily temperature variability, the independent and combined effects of daytime and night-time temperatures on organism performance remain unclear. By independently manipulating daily maximum and minimum temperatures, we tested how changes in daytime heat stress and night-time recovery affect development, survival and heat tolerance of the lady beetle species Propylea japonica. Thermal effects on development and survival differed between daytime and night-time. Daytime high temperatures had negative effects whereas night-time mild temperatures had positive effects. The extent of daytime heat stress and night-time recovery also affected development and critical thermal maximum, which indicates that there were both independent and combined effects of daytime and night-time temperatures on thermal performances. Our findings provide insight into the thermal effect of day-to-night temperature variability and have important implications for predicting the impacts of diel asymmetric warming under climate change. |
| first_indexed | 2024-12-20T02:01:12Z |
| format | Article |
| id | doaj.art-55d1a1396ce449b4ad233f7fcf98df69 |
| institution | Directory Open Access Journal |
| issn | 2046-6390 |
| language | English |
| last_indexed | 2024-12-20T02:01:12Z |
| publishDate | 2019-03-01 |
| publisher | The Company of Biologists |
| record_format | Article |
| series | Biology Open |
| spelling | doaj.art-55d1a1396ce449b4ad233f7fcf98df692022-12-21T19:57:18ZengThe Company of BiologistsBiology Open2046-63902019-03-018310.1242/bio.038141038141Independent and combined effects of daytime heat stress and night-time recovery determine thermal performanceChun-Ming Bai0Gang Ma1Wan-Zhi Cai2Chun-Sen Ma3 Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2, Yuanmingyuan West Road, Haidian District, Beijing 100193, China Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2, Yuanmingyuan West Road, Haidian District, Beijing 100193, China Department of Entomology, College of Plant Protection, China Agricultural University, No. 2, Yuanmingyuan West Road, Haidian District, Beijing 100193, China Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2, Yuanmingyuan West Road, Haidian District, Beijing 100193, China Organisms often experience adverse high temperatures during the daytime, but they may also recover or repair themselves during the night-time when temperatures are more moderate. Thermal effects of daily fluctuating temperatures may thus be divided into two opposite processes (i.e. negative effects of daytime heat stress and positive effects of night-time recovery). Despite recent progress on the consequences of increased daily temperature variability, the independent and combined effects of daytime and night-time temperatures on organism performance remain unclear. By independently manipulating daily maximum and minimum temperatures, we tested how changes in daytime heat stress and night-time recovery affect development, survival and heat tolerance of the lady beetle species Propylea japonica. Thermal effects on development and survival differed between daytime and night-time. Daytime high temperatures had negative effects whereas night-time mild temperatures had positive effects. The extent of daytime heat stress and night-time recovery also affected development and critical thermal maximum, which indicates that there were both independent and combined effects of daytime and night-time temperatures on thermal performances. Our findings provide insight into the thermal effect of day-to-night temperature variability and have important implications for predicting the impacts of diel asymmetric warming under climate change.http://bio.biologists.org/content/8/3/bio038141Asymmetric warmingClimate changeCritical thermal maximumHeat tolerancePropylea japonicaTemperature variability |
| spellingShingle | Chun-Ming Bai Gang Ma Wan-Zhi Cai Chun-Sen Ma Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance Biology Open Asymmetric warming Climate change Critical thermal maximum Heat tolerance Propylea japonica Temperature variability |
| title | Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance |
| title_full | Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance |
| title_fullStr | Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance |
| title_full_unstemmed | Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance |
| title_short | Independent and combined effects of daytime heat stress and night-time recovery determine thermal performance |
| title_sort | independent and combined effects of daytime heat stress and night time recovery determine thermal performance |
| topic | Asymmetric warming Climate change Critical thermal maximum Heat tolerance Propylea japonica Temperature variability |
| url | http://bio.biologists.org/content/8/3/bio038141 |
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