High thermal tolerance of egg clutches and potential adaptive capacity in green turtles
Climate warming threatens sea turtles, among other effects, because high temperatures increase embryo mortality. However, not all species and populations are expected to respond the same way because they could have different thermal tolerances and capacities to adapt. We tested the effect of incubat...
| Autores: | , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/395731 |
| Acceso en línea: | http://hdl.handle.net/10261/395731 https://api.elsevier.com/content/abstract/scopus_id/85203045699 |
| Access Level: | acceso abierto |
| Palabra clave: | Adaptation Climate change Hatching success Nest temperature Resilience Sea turtles |
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High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| title |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| spellingShingle |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles Santidrián Tomillo, Pilar Adaptation Climate change Hatching success Nest temperature Resilience Sea turtles |
| title_short |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| title_full |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| title_fullStr |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| title_full_unstemmed |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| title_sort |
High thermal tolerance of egg clutches and potential adaptive capacity in green turtles |
| dc.creator.none.fl_str_mv |
Santidrián Tomillo, Pilar Cordero-Umaña, Keilor Valverde-Cantillo, Verónica |
| author |
Santidrián Tomillo, Pilar |
| author_facet |
Santidrián Tomillo, Pilar Cordero-Umaña, Keilor Valverde-Cantillo, Verónica |
| author_role |
author |
| author2 |
Cordero-Umaña, Keilor Valverde-Cantillo, Verónica |
| author2_role |
author author |
| dc.contributor.none.fl_str_mv |
National Fish and Wildlife Foundation Virginia Aquarium & Marine Science Center North Carolina Aquariums South Carolina Aquarium The Florida Aquarium Politecnico di Torino Santidrián Tomillo, Pilar [0000-0002-6895-7218] Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] |
| dc.subject.none.fl_str_mv |
Adaptation Climate change Hatching success Nest temperature Resilience Sea turtles |
| topic |
Adaptation Climate change Hatching success Nest temperature Resilience Sea turtles |
| description |
Climate warming threatens sea turtles, among other effects, because high temperatures increase embryo mortality. However, not all species and populations are expected to respond the same way because they could have different thermal tolerances and capacities to adapt. We tested the effect of incubation temperature on egg mortality in a population of green turtles (Chelonia mydas) previously suggested to be less affected by extreme climatic events than others. We (1) assessed the relationship between temperature and hatching success, (2) defined an optimal range of temperatures that maximized hatching success and (3) assessed the variability in the response to temperature among clutches laid by different mothers, which could allow adaptation. Hatching success was consistently high in green turtle clutches with a skew toward high values, with 50 % of clutches having a success above 94 %. Yet, it was mildly affected by temperature, declining at both low and high temperatures. The optimal range of mean incubation temperatures was between ~30.5 °C and 32.5 °C. Current mean temperatures (31.3 °C) fall within the middle of the optimal range, indicating a potential resilience to further rises in mean nest temperature. Hatching success was best described by nest temperature and the interaction between female identity and temperature. This last predictor indicated a variability in thermal tolerance among clutches laid by different mothers and therefore, a capacity to adapt. The studied population of green turtles seems to be less vulnerable than others to climate warming. Understanding how different populations could respond to increasing temperatures could help complete the picture on the potential effects of climate change on sea turtles. |
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2024 |
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2024 2025 2025 |
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info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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http://hdl.handle.net/10261/395731 https://api.elsevier.com/content/abstract/scopus_id/85203045699 |
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http://hdl.handle.net/10261/395731 https://api.elsevier.com/content/abstract/scopus_id/85203045699 |
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Inglés |
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Inglés |
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Centro Oceanográfico de Baleares, (COB) The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1016/j.scitotenv.2024.175961 https://doi.org/10.1016/j.scitotenv.2024.175961 Sí |
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openAccess |
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Elsevier BV |
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Elsevier BV |
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reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC) |
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High thermal tolerance of egg clutches and potential adaptive capacity in green turtlesSantidrián Tomillo, PilarCordero-Umaña, KeilorValverde-Cantillo, VerónicaAdaptationClimate changeHatching successNest temperatureResilienceSea turtlesClimate warming threatens sea turtles, among other effects, because high temperatures increase embryo mortality. However, not all species and populations are expected to respond the same way because they could have different thermal tolerances and capacities to adapt. We tested the effect of incubation temperature on egg mortality in a population of green turtles (Chelonia mydas) previously suggested to be less affected by extreme climatic events than others. We (1) assessed the relationship between temperature and hatching success, (2) defined an optimal range of temperatures that maximized hatching success and (3) assessed the variability in the response to temperature among clutches laid by different mothers, which could allow adaptation. Hatching success was consistently high in green turtle clutches with a skew toward high values, with 50 % of clutches having a success above 94 %. Yet, it was mildly affected by temperature, declining at both low and high temperatures. The optimal range of mean incubation temperatures was between ~30.5 °C and 32.5 °C. Current mean temperatures (31.3 °C) fall within the middle of the optimal range, indicating a potential resilience to further rises in mean nest temperature. Hatching success was best described by nest temperature and the interaction between female identity and temperature. This last predictor indicated a variability in thermal tolerance among clutches laid by different mothers and therefore, a capacity to adapt. The studied population of green turtles seems to be less vulnerable than others to climate warming. Understanding how different populations could respond to increasing temperatures could help complete the picture on the potential effects of climate change on sea turtles.Climate warming threatens sea turtles, among other effects, because high temperatures increase embryo mortality. However, not all species and populations are expected to respond the same way because they could have different thermal tolerances and capacities to adapt. We tested the effect of incubation temperature on egg mortality in a population of green turtles (Chelonia mydas) previously suggested to be less affected by extreme climatic events than others. We (1) assessed the relationship between temperature and hatching success, (2) defined an optimal range of temperatures that maximized hatching success and (3) assessed the variability in the response to temperature among clutches laid by different mothers, which could allow adaptation. Hatching success was consistently high in green turtle clutches with a skew toward high values, with 50 % of clutches having a success above 94 %. Yet, it was mildly affected by temperature, declining at both low and high temperatures. The optimal range of mean incubation temperatures was between ~30.5 °C and 32.5 °C. Current mean temperatures (31.3 °C) fall within the middle of the optimal range, indicating a potential resilience to further rises in mean nest temperature. Hatching success was best described by nest temperature and the interaction between female identity and temperature. This last predictor indicated a variability in thermal tolerance among clutches laid by different mothers and therefore, a capacity to adapt. The studied population of green turtles seems to be less vulnerable than others to climate warming. Understanding how different populations could respond to increasing temperatures could help complete the picture on the potential effects of climate change on sea turtles.Peer reviewedElsevier BVNational Fish and Wildlife FoundationVirginia Aquarium & Marine Science CenterNorth Carolina AquariumsSouth Carolina AquariumThe Florida AquariumPolitecnico di TorinoSantidrián Tomillo, Pilar [0000-0002-6895-7218]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/395731https://api.elsevier.com/content/abstract/scopus_id/85203045699reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésCentro Oceanográfico de Baleares, (COB)The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1016/j.scitotenv.2024.175961https://doi.org/10.1016/j.scitotenv.2024.175961Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3957312026-05-22T06:33:51Z |
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15,812429 |