Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua
Climate-driven warming is altering marine ecosystems at an unprecedented rate and evolutionary adaptation may represent the last resort for many ectothermic organisms to avoid local extinction. The first step to elucidate the potential for adaptation to unfavorable thermal conditions is to assess th...
Published in: | Journal of Experimental Marine Biology and Ecology |
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Format: | Article in Journal/Newspaper |
Language: | English |
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2016
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Online Access: | https://orbit.dtu.dk/en/publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 https://doi.org/10.1016/j.jembe.2015.10.008 |
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ftdtupubl:oai:pure.atira.dk:publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 2024-09-09T19:29:54+00:00 Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua Dahlke, Flemming T. Politis, Sebastian Nikitas Butts, Ian Trippel, Edward A. Peck, M.A. 2016 https://orbit.dtu.dk/en/publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 https://doi.org/10.1016/j.jembe.2015.10.008 eng eng https://orbit.dtu.dk/en/publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 info:eu-repo/semantics/openAccess Dahlke , F T , Politis , S N , Butts , I , Trippel , E A & Peck , M A 2016 , ' Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua ' , Journal of Experimental Marine Biology and Ecology , vol. 474 , pp. 148-155 . https://doi.org/10.1016/j.jembe.2015.10.008 /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water article 2016 ftdtupubl https://doi.org/10.1016/j.jembe.2015.10.008 2024-06-18T14:41:37Z Climate-driven warming is altering marine ecosystems at an unprecedented rate and evolutionary adaptation may represent the last resort for many ectothermic organisms to avoid local extinction. The first step to elucidate the potential for adaptation to unfavorable thermal conditions is to assess the degree of genotype-based variation in thermal reaction norms of vital fitness traits. Marine broadcast spawning fishes experience extremely high rates ofmortality during early life stages. Paternally derived (genetic) variation underlying offspring fitness in adverse environmental conditions may therefore hold important implications for resilience. This study examined how males differ in their ability to sire viable offspring and whether the paternal contribution modified thermal reaction norms for hatching success in two replicated trials with cod Gadus morhua from the Northwest Atlantic (trial 1) and Baltic Sea (trial 2). Each trial included five temperature treatments (2.0, 4.0, 6.0, 8.0, 10.0 °C in trial 1, and 6.5, 8.0, 9.5, 11.0, 12.5 °C in trial 2) encompassing optimum conditions as well as the amount of warming projected in various future pathways for the year 2100. In both trials, mean hatching success significantly decreased towards thermal extremes. However, half-sibling families varied in their response to different incubation temperatures as indicated by significant paternity × temperature interactions and crossing of reaction norms. The influence of paternity itself was highly significant and explained 56% and 44% of the observed variation in hatching success in trials 1 and 2, respectively. Early embryogenesis represented the most crucial developmental period in terms of thermal tolerance and paternally mediated variation in hatching success. High variation in daily embryo survival among half-sibling families and temperature treatments was observed during blastula and gastrulation stages (until 100% epiboly), while almost no mortality occurred during subsequent development and throughout the hatching ... Article in Journal/Newspaper atlantic cod Gadus morhua Northwest Atlantic Technical University of Denmark: DTU Orbit Journal of Experimental Marine Biology and Ecology 474 148 155 |
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Open Polar |
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Technical University of Denmark: DTU Orbit |
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ftdtupubl |
language |
English |
topic |
/dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water |
spellingShingle |
/dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water Dahlke, Flemming T. Politis, Sebastian Nikitas Butts, Ian Trippel, Edward A. Peck, M.A. Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
topic_facet |
/dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water |
description |
Climate-driven warming is altering marine ecosystems at an unprecedented rate and evolutionary adaptation may represent the last resort for many ectothermic organisms to avoid local extinction. The first step to elucidate the potential for adaptation to unfavorable thermal conditions is to assess the degree of genotype-based variation in thermal reaction norms of vital fitness traits. Marine broadcast spawning fishes experience extremely high rates ofmortality during early life stages. Paternally derived (genetic) variation underlying offspring fitness in adverse environmental conditions may therefore hold important implications for resilience. This study examined how males differ in their ability to sire viable offspring and whether the paternal contribution modified thermal reaction norms for hatching success in two replicated trials with cod Gadus morhua from the Northwest Atlantic (trial 1) and Baltic Sea (trial 2). Each trial included five temperature treatments (2.0, 4.0, 6.0, 8.0, 10.0 °C in trial 1, and 6.5, 8.0, 9.5, 11.0, 12.5 °C in trial 2) encompassing optimum conditions as well as the amount of warming projected in various future pathways for the year 2100. In both trials, mean hatching success significantly decreased towards thermal extremes. However, half-sibling families varied in their response to different incubation temperatures as indicated by significant paternity × temperature interactions and crossing of reaction norms. The influence of paternity itself was highly significant and explained 56% and 44% of the observed variation in hatching success in trials 1 and 2, respectively. Early embryogenesis represented the most crucial developmental period in terms of thermal tolerance and paternally mediated variation in hatching success. High variation in daily embryo survival among half-sibling families and temperature treatments was observed during blastula and gastrulation stages (until 100% epiboly), while almost no mortality occurred during subsequent development and throughout the hatching ... |
format |
Article in Journal/Newspaper |
author |
Dahlke, Flemming T. Politis, Sebastian Nikitas Butts, Ian Trippel, Edward A. Peck, M.A. |
author_facet |
Dahlke, Flemming T. Politis, Sebastian Nikitas Butts, Ian Trippel, Edward A. Peck, M.A. |
author_sort |
Dahlke, Flemming T. |
title |
Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
title_short |
Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
title_full |
Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
title_fullStr |
Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
title_full_unstemmed |
Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua |
title_sort |
fathers modify thermal reaction norms for hatching success in atlantic cod, gadus morhua |
publishDate |
2016 |
url |
https://orbit.dtu.dk/en/publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 https://doi.org/10.1016/j.jembe.2015.10.008 |
genre |
atlantic cod Gadus morhua Northwest Atlantic |
genre_facet |
atlantic cod Gadus morhua Northwest Atlantic |
op_source |
Dahlke , F T , Politis , S N , Butts , I , Trippel , E A & Peck , M A 2016 , ' Fathers modify thermal reaction norms for hatching success in Atlantic cod, Gadus morhua ' , Journal of Experimental Marine Biology and Ecology , vol. 474 , pp. 148-155 . https://doi.org/10.1016/j.jembe.2015.10.008 |
op_relation |
https://orbit.dtu.dk/en/publications/4a562fd6-7ed2-433f-a71a-50262f2a9502 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1016/j.jembe.2015.10.008 |
container_title |
Journal of Experimental Marine Biology and Ecology |
container_volume |
474 |
container_start_page |
148 |
op_container_end_page |
155 |
_version_ |
1809898967381573632 |