Impact of storm Xynthia in 2010 on coastal agricultural areas: the Saint Laurent de la Prée research farm’s experience

Durant, Daphné; Kernéïs, Éric; Meynard, Jean-Marc; Choisis, Jean Philippe; Chataigner, Claude; Hillaireau, Jean-Michel; Rossignol, Christophe

doi:10.1007/s11852-018-0627-8

Cited by 12 publications

(8 citation statements)

References 20 publications

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“…The risk of flooding and erosion is increasing for many coastal areas due to a cumulative effect of global climate changes, frequent storm surges, sea level rise and intensified anthropogenic impact [1][2][3][4][5][6][7][8]. These areas, with their naturally established coastal dunes, perform important ecosystem services such as protection against storm waves, storm surges, and high tides [9].…”

Section: Introductionmentioning

confidence: 99%

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Vergiev

2019

Environments

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Integrated coastal zone management proposes nature-based mitigation strategies based on the replacement of artificial coastal stabilization and protection structures with dunes stabilized with plant species. These psammophytes stabilize sands and act as supporters, increasing dunes’ ability to reduce storm damages and effectively minimize erosion with minimal negative impacts to natural ecosystems. That is why searching for native salt-tolerant plants with extensive root systems and studying their capacity for erosion and flooding control is fundamental to the practice of ecologically-sound ecosystem services. The aim of the present study is to define the effects of flooding stress on a number of wheatgrass (Thinopyrum ponticum) plant life aspects (survival ability, viability, and growth response) in order to determine wheatgrass’s capacity as dune stabilizer. Conducted experiments established that T. ponticum was very tolerant to immersion impact and salt and oxygen deficiency stress, and its rhizomes were able to regenerate after 30 days in seawater. The temporal expression of its survival is presented as critical decomposition time (CDT) by linking the maximum duration of floods along the Bulgarian Black Sea Coast and the resilience of tall wheatgrass in flooding simulations. A statistical analysis of the experimental data demonstrated that immersion in sea water increases rhizome viability, biomass, and allocation to root biomass, whereas other factors, such as the duration of immersion, salinity, and temperatures of sea water have no significant effect. According to flood resilience and growth response to sea water submergence, T. ponticum demonstrated high potential to be a dune stabilizer.

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Section: Introductionmentioning

confidence: 99%

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Vergiev

2019

Environments

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“…The field used for this study is a permanent grassland, a hay meadow in which the vegetation at the start of the experiment was predominantly Alopecurus bulbosus, Hordeum secalinum, Carex divisa and Bromus comutatus. It is however important to note that this parcel had previously been flooded by seawater in 2010 because of a storm (Durant et al, 2018). In 2011, the farm consisted of about 180 ha of cropland, with about 50 ha of non-irrigated arable land and 130 ha of fodder crops (of which 115 ha of permanent grasslands) used for cutting and/or for grazing by about 60 cows and replacement heifers of a local wetland breed called Maraîchine.…”

Section: Site Of the Experimentsmentioning

confidence: 99%

Effect of Oversowing and Fertilization on Species Composition, Yield and Nutritional Quality of Forages on a Permanent Wet Meadow

Durant¹,

Doublet²

2022

JAS

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The improvement of forage production and nutrition quality on native grasslands through plant species oversowing and fertilization (legumes in particular, coupled with phosphorus fertilization) is known to have been widely adopted worldwide. Less is known about this practice on the wet grasslands of the French Atlantic littoral marshes. The purpose of this study, conducted over a 3-year period (2012-2014) on the Saint Laurent de la Prée research farm, was to investigate the effects on the yield and nutritional quality of forage hay on a permanent wet meadow, of oversowing with different plant species and fertilization. We found that the success of oversowing was influenced by species or mixtures, and depended on their ability to develop and persist in the cover. In general, oversowing tended to provide benefits in terms of the total annual forage yield in 2013, with a slight increase in forage quality in 2012 and 2013. Fertilization provided no real benefit in terms of forage quality. There was no persistence of introduced species in the sward, as in 2014 almost all of them disappeared. In the conditions of this study, the benefits of oversowing and fertilizer applications were limited and short-lived. These results are discussed in relation to the conservation value of these wet grasslands and the need to pursue research on agroecology for their biodiversity-oriented management.

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“…In terms of flood duration, some coastal floods can last only a few hours, whilst others caused by sea defence failures in very low-lying areas can last weeks or months, even resulting in land abandonment (Fagherazzi et al 2019). Even a short-duration flood event can have devastating impacts on the land (Durant et al 2018). Finally, the soil type and land management will also determine how persistent salts may remain in the soil, and also the speed of recovery e.g.…”

Section: Flood Salinizationmentioning

confidence: 99%

Future of Sustainable Agriculture in Saline Environments

Negacz

Vellinga²,

Barrett-Lennard

et al. 2021

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Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been obtained. If any copyright material has not been acknowledged please write and let us know so we may rectify in any future reprint.The Open Access version of this book, available at www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license Trademark notice: Product or corporate names may be trademarks or registered trademarks and are used only for identification and explanation without intent to infringe.

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Impact of storm Xynthia in 2010 on coastal agricultural areas: the Saint Laurent de la Prée research farm’s experience

Cited by 12 publications

References 20 publications

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Effect of Oversowing and Fertilization on Species Composition, Yield and Nutritional Quality of Forages on a Permanent Wet Meadow

Future of Sustainable Agriculture in Saline Environments

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