Field thermo acclimation increases the resilience of Posidonia oceanica seedlings to marine heat waves

Patrizia Stipcich; Arianna Pansini; Pedro Beca-Carretero; Dagmar B. Stengel; Giulia Ceccherelli

doi:10.1016/j.marpolbul.2022.114230

Field thermo acclimation increases the resilience of Posidonia oceanica seedlings to marine heat waves

Patrizia Stipcich, Arianna Pansini, Pedro Beca-Carretero, Dagmar B. Stengel, Giulia Ceccherelli

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Acclimation is a response that results from chronic exposure of an individual to a new environment. This study aimed to investigate whether the thermal environment affects the early development of the seagrass Posidonia oceanica, and whether the effects of a field-simulated Marine Heat Wave (MHW) on seedlings change depending on acclimation. The experiment was done in the field using a crossed design of Acclimation (acclimated vs unacclimated) and MHW (present vs absent) factors. Acclimation has initially constrained the development of P. oceanica seedlings, but then it increased their resilience to the MHW, under both a morphological and biochemical (fatty acid saturation) level. This treatment could be considered in P. oceanica restoration projects in a climate change-impaired sea, by purposely inducing an increased resistance to heat before transplants.

Original language	English
Article number	114230
Journal	Marine Pollution Bulletin
Volume	184
DOIs	https://doi.org/10.1016/j.marpolbul.2022.114230
State	Published - 1 Nov 2022
Externally published	Yes

Keywords

Acclimation
Climate change
Fatty acids
Heat stress
Morphological variables
Seagrass

ASJC Scopus subject areas

Pollution
Aquatic Science
Oceanography

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.marpolbul.2022.114230

Cite this

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title = "Field thermo acclimation increases the resilience of Posidonia oceanica seedlings to marine heat waves",

abstract = "Acclimation is a response that results from chronic exposure of an individual to a new environment. This study aimed to investigate whether the thermal environment affects the early development of the seagrass Posidonia oceanica, and whether the effects of a field-simulated Marine Heat Wave (MHW) on seedlings change depending on acclimation. The experiment was done in the field using a crossed design of Acclimation (acclimated vs unacclimated) and MHW (present vs absent) factors. Acclimation has initially constrained the development of P. oceanica seedlings, but then it increased their resilience to the MHW, under both a morphological and biochemical (fatty acid saturation) level. This treatment could be considered in P. oceanica restoration projects in a climate change-impaired sea, by purposely inducing an increased resistance to heat before transplants.",

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author = "Patrizia Stipcich and Arianna Pansini and Pedro Beca-Carretero and Stengel, {Dagmar B.} and Giulia Ceccherelli",

note = "Funding Information: This research was financially supported by Botany and Plant Science at NUI Galway , by the project Marine habitats restoration in a climate change-impaired Mediterranean Sea [MAHRES], funded by the Italian Ministry of Research under the PRIN 2017 Program (Project N. 2017MHHWBN ; CUP: 74I19001320001 ) and by PON—National Operational Programme—Research and Innovation 2014–2020—PhDs and research contracts on innovation-related topics. Publisher Copyright: {\textcopyright} 2022 The Authors",

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doi = "10.1016/j.marpolbul.2022.114230",

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AU - Beca-Carretero, Pedro

AU - Stengel, Dagmar B.

AU - Ceccherelli, Giulia

N1 - Funding Information: This research was financially supported by Botany and Plant Science at NUI Galway , by the project Marine habitats restoration in a climate change-impaired Mediterranean Sea [MAHRES], funded by the Italian Ministry of Research under the PRIN 2017 Program (Project N. 2017MHHWBN ; CUP: 74I19001320001 ) and by PON—National Operational Programme—Research and Innovation 2014–2020—PhDs and research contracts on innovation-related topics. Publisher Copyright: © 2022 The Authors

PY - 2022/11/1

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N2 - Acclimation is a response that results from chronic exposure of an individual to a new environment. This study aimed to investigate whether the thermal environment affects the early development of the seagrass Posidonia oceanica, and whether the effects of a field-simulated Marine Heat Wave (MHW) on seedlings change depending on acclimation. The experiment was done in the field using a crossed design of Acclimation (acclimated vs unacclimated) and MHW (present vs absent) factors. Acclimation has initially constrained the development of P. oceanica seedlings, but then it increased their resilience to the MHW, under both a morphological and biochemical (fatty acid saturation) level. This treatment could be considered in P. oceanica restoration projects in a climate change-impaired sea, by purposely inducing an increased resistance to heat before transplants.

AB - Acclimation is a response that results from chronic exposure of an individual to a new environment. This study aimed to investigate whether the thermal environment affects the early development of the seagrass Posidonia oceanica, and whether the effects of a field-simulated Marine Heat Wave (MHW) on seedlings change depending on acclimation. The experiment was done in the field using a crossed design of Acclimation (acclimated vs unacclimated) and MHW (present vs absent) factors. Acclimation has initially constrained the development of P. oceanica seedlings, but then it increased their resilience to the MHW, under both a morphological and biochemical (fatty acid saturation) level. This treatment could be considered in P. oceanica restoration projects in a climate change-impaired sea, by purposely inducing an increased resistance to heat before transplants.

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KW - Fatty acids

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KW - Morphological variables

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Field thermo acclimation increases the resilience of Posidonia oceanica seedlings to marine heat waves

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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