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Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure. / Shao, Dongdong; Zhou, Weiwei; Bouma, Tjeerd J.; Asaeda, Takashi; Wang, Zhengbing ; Liu, Xiaoling; Sun, Tao; Cui, Baoshan.

In: Annals of Botany, Vol. 125, No. 2, mcz067, 2019, p. 291-299.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Shao, D, Zhou, W, Bouma, TJ, Asaeda, T, Wang, Z, Liu, X, Sun, T & Cui, B 2019, 'Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure' Annals of Botany, vol. 125, no. 2, mcz067, pp. 291-299. https://doi.org/10.1093/aob/mcz067

APA

Shao, D., Zhou, W., Bouma, T. J., Asaeda, T., Wang, Z., Liu, X., ... Cui, B. (2019). Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure. Annals of Botany, 125(2), 291-299. [mcz067]. https://doi.org/10.1093/aob/mcz067

Vancouver

Author

Shao, Dongdong ; Zhou, Weiwei ; Bouma, Tjeerd J. ; Asaeda, Takashi ; Wang, Zhengbing ; Liu, Xiaoling ; Sun, Tao ; Cui, Baoshan. / Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure. In: Annals of Botany. 2019 ; Vol. 125, No. 2. pp. 291-299.

BibTeX

@article{83feeb94285c40f49bb3c052c44d27d3,
title = "Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure",
abstract = "• Background and Aims Ecosystem-based flood defence including salt-marsh as a key component is increasinglyapplied worldwide due to its multifunctionality and cost-effectiveness. While numerous experiments haveexplored the wave-attenuation effects of salt-marsh plants critical to flood protection, little is known about thephysiological and biochemical responses of these species to continuous wave exposure.• Methods To address this knowledge gap, we developed a shallow-water wave simulator to expose individualSpartina alterniflora plants to waves in a greenhouse for 8 weeks. S. alterniflora individuals were partially submergedand experienced horizontal sinusoidal motion to mimic plant exposure to shallow water waves. A factorialexperiment was used to test the effects of three wave heights (4.1 cm, 5.5 cm and a no-wave control) and two waveperiods (2 s and 3 s) on the following key physiological and biochemical plant parameters: plant growth, antioxidantdefence and photosynthetic capacity.• Key Results Comparison of wave treatment and control groups supported our hypotheses that wave exposureleads to oxidative stress in plants and suppresses plant photosynthetic capacity and thereby growth. In response,the wave-exposed plants exhibited activated antioxidant enzymes. Comparison between the different wave treatmentgroups suggested the wave effects to be generally correlated positively with wave height and negativelywith wave period, i.e. waves with greater height and frequency imposed more stress on plants. In addition, waveexposedplants tended to allocate more biomass to their roots. Such allocation is favourable because it enhancesroot anchorage against the wave impact.• Conclusions Simulated wave exposure systems such as the one used here are an effective tool for studying theresponse of salt-marsh plants to long-term wave exposure, and so help inform ecosystem-based flood defence projectsin terms of plant selection, suitable transplantation locations and timing, etc. Given the projected variabilityof the global wave environment due to climate change, understanding plant response to long-term wave exposurehas important implications for salt-marsh conservation and its central role in natural flood defence.",
keywords = "Spartina alterniflora, Ecosystem-based flood defence, response, salt-marsh, wave stress",
author = "Dongdong Shao and Weiwei Zhou and Bouma, {Tjeerd J.} and Takashi Asaeda and Zhengbing Wang and Xiaoling Liu and Tao Sun and Baoshan Cui",
year = "2019",
doi = "10.1093/aob/mcz067",
language = "English",
volume = "125",
pages = "291--299",
journal = "Annals of Botany",
number = "2",

}

RIS

TY - JOUR

T1 - Physiological and biochemical responses of the salt-marsh plant Spartina alterniflora to long-term wave exposure

AU - Shao, Dongdong

AU - Zhou, Weiwei

AU - Bouma, Tjeerd J.

AU - Asaeda, Takashi

AU - Wang, Zhengbing

AU - Liu, Xiaoling

AU - Sun, Tao

AU - Cui, Baoshan

PY - 2019

Y1 - 2019

N2 - • Background and Aims Ecosystem-based flood defence including salt-marsh as a key component is increasinglyapplied worldwide due to its multifunctionality and cost-effectiveness. While numerous experiments haveexplored the wave-attenuation effects of salt-marsh plants critical to flood protection, little is known about thephysiological and biochemical responses of these species to continuous wave exposure.• Methods To address this knowledge gap, we developed a shallow-water wave simulator to expose individualSpartina alterniflora plants to waves in a greenhouse for 8 weeks. S. alterniflora individuals were partially submergedand experienced horizontal sinusoidal motion to mimic plant exposure to shallow water waves. A factorialexperiment was used to test the effects of three wave heights (4.1 cm, 5.5 cm and a no-wave control) and two waveperiods (2 s and 3 s) on the following key physiological and biochemical plant parameters: plant growth, antioxidantdefence and photosynthetic capacity.• Key Results Comparison of wave treatment and control groups supported our hypotheses that wave exposureleads to oxidative stress in plants and suppresses plant photosynthetic capacity and thereby growth. In response,the wave-exposed plants exhibited activated antioxidant enzymes. Comparison between the different wave treatmentgroups suggested the wave effects to be generally correlated positively with wave height and negativelywith wave period, i.e. waves with greater height and frequency imposed more stress on plants. In addition, waveexposedplants tended to allocate more biomass to their roots. Such allocation is favourable because it enhancesroot anchorage against the wave impact.• Conclusions Simulated wave exposure systems such as the one used here are an effective tool for studying theresponse of salt-marsh plants to long-term wave exposure, and so help inform ecosystem-based flood defence projectsin terms of plant selection, suitable transplantation locations and timing, etc. Given the projected variabilityof the global wave environment due to climate change, understanding plant response to long-term wave exposurehas important implications for salt-marsh conservation and its central role in natural flood defence.

AB - • Background and Aims Ecosystem-based flood defence including salt-marsh as a key component is increasinglyapplied worldwide due to its multifunctionality and cost-effectiveness. While numerous experiments haveexplored the wave-attenuation effects of salt-marsh plants critical to flood protection, little is known about thephysiological and biochemical responses of these species to continuous wave exposure.• Methods To address this knowledge gap, we developed a shallow-water wave simulator to expose individualSpartina alterniflora plants to waves in a greenhouse for 8 weeks. S. alterniflora individuals were partially submergedand experienced horizontal sinusoidal motion to mimic plant exposure to shallow water waves. A factorialexperiment was used to test the effects of three wave heights (4.1 cm, 5.5 cm and a no-wave control) and two waveperiods (2 s and 3 s) on the following key physiological and biochemical plant parameters: plant growth, antioxidantdefence and photosynthetic capacity.• Key Results Comparison of wave treatment and control groups supported our hypotheses that wave exposureleads to oxidative stress in plants and suppresses plant photosynthetic capacity and thereby growth. In response,the wave-exposed plants exhibited activated antioxidant enzymes. Comparison between the different wave treatmentgroups suggested the wave effects to be generally correlated positively with wave height and negativelywith wave period, i.e. waves with greater height and frequency imposed more stress on plants. In addition, waveexposedplants tended to allocate more biomass to their roots. Such allocation is favourable because it enhancesroot anchorage against the wave impact.• Conclusions Simulated wave exposure systems such as the one used here are an effective tool for studying theresponse of salt-marsh plants to long-term wave exposure, and so help inform ecosystem-based flood defence projectsin terms of plant selection, suitable transplantation locations and timing, etc. Given the projected variabilityof the global wave environment due to climate change, understanding plant response to long-term wave exposurehas important implications for salt-marsh conservation and its central role in natural flood defence.

KW - Spartina alterniflora

KW - Ecosystem-based flood defence

KW - response

KW - salt-marsh

KW - wave stress

U2 - 10.1093/aob/mcz067

DO - 10.1093/aob/mcz067

M3 - Article

VL - 125

SP - 291

EP - 299

JO - Annals of Botany

T2 - Annals of Botany

JF - Annals of Botany

IS - 2

M1 - mcz067

ER -

ID: 54074113