“Beyond nature and culture: relational perspectives on the Wadden Sea landscape”

Döring, Martin; Walsh, Cormac; Egberts, Linde

doi:10.1007/s40152-021-00246-x

Cited by 9 publications

(3 citation statements)

References 47 publications

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“…The study site was located on the barrier island of Spiekeroog in Germany, for which the previous work of Keimer et al (2023 b ) provides further information. The island is part of the National Park Wadden Sea and a World Heritage property (Reise et al 2010; Wolff et al 2010; Döring et al 2021). Salt marshes are found on the back barrier tidal flat on the southern side of the island.…”

Section: Materials and Proceduresmentioning

confidence: 99%

From seasonal field study to surrogate modeling: Investigating the biomechanical dynamics of Elymus sp. in salt marshes

Keimer,

Kind,

Prüter

et al. 2024

Limnology & Ocean Methods

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Salt marshes have been studied in the context of ecosystem services they can provide for coastal protection. In this study, monthly field campaigns focusing on Elymus spp. and its biomechanical properties were conducted from December 2021 to December 2022 on the German Barrier Island Spiekeroog. A total of 1390 specimens were investigated to determine their growth length, out of which 418 specimens were investigated mechanically with three‐point bending tests to determine their biomechanical properties. To evaluate the interaction of hydraulic loads and vegetation, the challenge of modeling biomechanical plant properties to scale is addressed by using resin 3D printing with flexible material, while focusing on the materials mechanical properties. Based on the field data acquired and additional literature (adding up to 1959 measurements), a cylindrical plant model with an outer diameter of (scale 1 : 1) was developed. It was manufactured mixing two resin components with varying volume ratios resulting in surrogates with different flexural stiffnesses. The surrogates were characterized using three‐point bending tests and image analysis of their bending behavior when subjected to currents between 0.4 and 1.2 m/s. With the average Young's modulus ranging from 8.45 to 1708.42 MPa, the bending angle varies from 0° to 77.4° displaying the influence of material stiffness and flow velocity. Applying the Cauchy scaling law, this study shows that resin 3D printing can be used to model Elymus sp. with respect to its biomechanical properties allowing for seasonally independent physical laboratory experiments with plant models.

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Section: Materials and Proceduresmentioning

confidence: 99%

From seasonal field study to surrogate modeling: Investigating the biomechanical dynamics of Elymus sp. in salt marshes

Keimer,

Kind,

Prüter

et al. 2024

Limnology & Ocean Methods

View full text Add to dashboard Cite

show abstract

“…This study was conducted on the barrier island Spiekeroog (see Figure 1B) off the Lower Saxonian coastline in Germany. It is part of the National Park Wadden Sea and a World Heritage property (Reise et al, 2010;Wolff et al, 2010;Döring et al, 2021). The diverse landscape of the Wadden Sea includes -amongst other -salt marshes, dune systems, marshlands and intertidal areas stretching across the Netherlands, Germany and Denmark (Reise et al, 2010).…”

Section: Study Sitementioning

confidence: 99%

Proposing a novel classification of growth periods based on biomechanical properties and seasonal changes of Spartina anglica

Keimer

Kosmalla²,

Prüter³

et al. 2023

Front. Mar. Sci.

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Salt marshes are a valuable ecosystem with coastal protection potential, for example by absorbing hydrodynamic energy, increasing sedimentation and stabilizing the soil. This study investigated biomechanical properties of Spartina anglica to improve future models of wave-vegetation interaction. To fully understand the correlations between hydro- and biomechanics, the biomechanical vegetation properties from December 2021 to July 2022 are investigated with specimens collected from the field monthly. 551 specimens were used to determine the vegetation properties during storm surge season with high hydrodynamic forces. Additional geometrical properties were determined for 1265 specimens. Three-point bending tests measured the stiffness S (N/mm) and maximum forces Fmax (N). Different phenological states were observed over time and separated for analysis. These states provide a novel classification of growth periods for evaluating the coastal protection potential of Spartina anglica. Especially during storm season, most specimen were identified as broken shoots with a mean stiffness of 1.92N/mm (using 304 samples) compared to the bottom part of flowering shoots in December and January with a mean stiffness of 2.98N/mm (using 61 samples). The classification of plant properties recognizing phenological differences, based on plant state and seasonality, can be used to explain and reduce variability of biomechanical properties obtained during field campaigns. Additionally, this study shows that March to April is recommended for future investigations focusing on shoot properties during storm surge season, which is the important season for coastal engineers considering vegetation state.

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“…We explore how the ontological and epistemological broadening of governance creates opportunities for alternative forms of governance to be (re)imagined and (re)enacted that redress power imbalances and inequities, and which better accommodate Indigenous ways of knowing (DePuy et al 2021). We apply insights from the 'relational turn' in social sciences and sustainability sciences to theorise EBM governance from the ground up (DePuy et al 2021;Döring et al 2021;Foggin et al 2021;West et al 2020). We show how Indigenous relational ontologies, with their emphasis on the interweaving of human and more-than-human/nonhuman beings and connections between the biophysical, social, and spiritual, provide insights to inform governance arrangements for EBM that are inclusive, pluralistic, and just.…”

Section: Introductionmentioning

confidence: 99%

Broadening environmental governance ontologies to enhance ecosystem-based management in Aotearoa New Zealand

et al. 2022

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Ecosystem-based management (EBM) is a holistic approach to managing marine environments that can potentially reconcile cross-sectoral conflicts, scale mismatches, and fulfil sustainability objectives. In Aotearoa New Zealand (Aotearoa NZ), the operationalisation of EBM has been uneven; however, a set of principles to guide EBM in Aotearoa NZ provides a useful foundation to enable and enhance its uptake and to support governance approaches that attend to the rights, values, interests, and knowledges of Māori, the Indigenous peoples of Aotearoa. In acknowledging the need to give attention to the governance of marine environments, we apply insights from the ‘relational turn’ in social sciences and sustainability science to explore the ontological and epistemological broadening of ‘governance’ to identify opportunities for alternative forms of governance that accommodate Indigenous ways of knowing. We propose four pou (or enabling conditions) that generate alternatives to governance models underpinned by a ‘modernist’ (dualistic, technocratic) ontology: (i) enacting interactive administrative arrangements; (ii) diversifying knowledge production; (iii) prioritising equity, justice, and social difference; and (iv) recognising interconnections and interconnectedness. Our analysis of seven governance examples exposes evidence of radical and progressive transformations occurring within Aotearoa NZ regarding conceptions of the environment and the role of people in it that could support the wider uptake of EBM. Rather than advocating a ‘perfect model’ of governance for EBM, we find potential in EBM as a strategic approach to managing marine environments because of the synergies with Indigenous and relational ontologies, which lie in the emphasis on interconnectedness, inclusivity, diversity, and relationality.

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“Beyond nature and culture: relational perspectives on the Wadden Sea landscape”

Cited by 9 publications

References 47 publications

From seasonal field study to surrogate modeling: Investigating the biomechanical dynamics of Elymus sp. in salt marshes

From seasonal field study to surrogate modeling: Investigating the biomechanical dynamics of Elymus sp. in salt marshes

Proposing a novel classification of growth periods based on biomechanical properties and seasonal changes of Spartina anglica

Broadening environmental governance ontologies to enhance ecosystem-based management in Aotearoa New Zealand

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