Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions

Abstract In a warming climate, rising seawater temperatures and declining primary and secondary production will drastically affect growth and fitness of marine invertebrates in the northern Atlantic Ocean. To study the ecological performance of juvenile hydroids Hydractinia echinata we exposed them...

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Autores principales:	Daniel Tschink, Gabriele Gerlach, Michael Winklhofer, Cora Kohlmeier, Bernd Blasius, Laura Eickelmann, Yvonne Schadewell, Julia Strahl
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fb6c747d193f4f90850eff4d9cec4639
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spelling	oai:doaj.org-article:fb6c747d193f4f90850eff4d9cec46392021-12-02T14:17:28ZDiminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions10.1038/s41598-021-86918-42045-2322https://doaj.org/article/fb6c747d193f4f90850eff4d9cec46392021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86918-4https://doaj.org/toc/2045-2322Abstract In a warming climate, rising seawater temperatures and declining primary and secondary production will drastically affect growth and fitness of marine invertebrates in the northern Atlantic Ocean. To study the ecological performance of juvenile hydroids Hydractinia echinata we exposed them to current and predicted water temperatures which reflect the conditions in the inter- and subtidal in combination with changing food availability (high and low) in laboratory experiments. Here we show, that the interplay between temperature stress and diminished nutrition affected growth and vitality of juvenile hydroids more than either factor alone, while high food availability mitigated their stress responses. Our numerical growth model indicated that the growth of juvenile hydroids at temperatures beyond their optimum is a saturation function of energy availability. We demonstrated that the combined effects of environmental stressors should be taken into consideration when evaluating consequences of climate change. Interactive effects of ocean warming, decreasing resource availability and increasing organismal energy demand may have major impacts on biodiversity and ecosystem function.Daniel TschinkGabriele GerlachMichael WinklhoferCora KohlmeierBernd BlasiusLaura EickelmannYvonne SchadewellJulia StrahlNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Daniel Tschink Gabriele Gerlach Michael Winklhofer Cora Kohlmeier Bernd Blasius Laura Eickelmann Yvonne Schadewell Julia Strahl Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
description	Abstract In a warming climate, rising seawater temperatures and declining primary and secondary production will drastically affect growth and fitness of marine invertebrates in the northern Atlantic Ocean. To study the ecological performance of juvenile hydroids Hydractinia echinata we exposed them to current and predicted water temperatures which reflect the conditions in the inter- and subtidal in combination with changing food availability (high and low) in laboratory experiments. Here we show, that the interplay between temperature stress and diminished nutrition affected growth and vitality of juvenile hydroids more than either factor alone, while high food availability mitigated their stress responses. Our numerical growth model indicated that the growth of juvenile hydroids at temperatures beyond their optimum is a saturation function of energy availability. We demonstrated that the combined effects of environmental stressors should be taken into consideration when evaluating consequences of climate change. Interactive effects of ocean warming, decreasing resource availability and increasing organismal energy demand may have major impacts on biodiversity and ecosystem function.
format	article
author	Daniel Tschink Gabriele Gerlach Michael Winklhofer Cora Kohlmeier Bernd Blasius Laura Eickelmann Yvonne Schadewell Julia Strahl
author_facet	Daniel Tschink Gabriele Gerlach Michael Winklhofer Cora Kohlmeier Bernd Blasius Laura Eickelmann Yvonne Schadewell Julia Strahl
author_sort	Daniel Tschink
title	Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
title_short	Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
title_full	Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
title_fullStr	Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
title_full_unstemmed	Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions
title_sort	diminished growth and vitality in juvenile hydractinia echinata under anticipated future temperature and variable nutrient conditions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fb6c747d193f4f90850eff4d9cec4639
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Diminished growth and vitality in juvenile Hydractinia echinata under anticipated future temperature and variable nutrient conditions

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