From grey to green: Efficacy of eco‐engineering solutions for nature‐based coastal defence
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A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
No Canadian affiliation. An affiliation-only frame — the usual design — would never have seen this work. It is one of the works that make the case for inverting the frame.
Machine scores (provisional)
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
- Teacher spread
- 0.258 · how far apart the two teachers sit on this one work
- Validation status
score_only:v0-immature-baseline· verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it
Abstract
Climate change is increasing the threat of erosion and flooding along coastlines globally. Engineering solutions (e.g. seawalls and breakwaters) in response to protecting coastal communities and associated infrastructure are increasingly becoming economically and ecologically unsustainable. This has led to recommendations to create or restore natural habitats, such as sand dunes, saltmarsh, mangroves, seagrass and kelp beds, and coral and shellfish reefs, to provide coastal protection in place of (or to complement) artificial structures. Coastal managers are frequently faced with the problem of an eroding coastline, which requires a decision on what mitigation options are most appropriate to implement. A barrier to uptake of nature-based coastal defence is stringent evaluation of the effectiveness in comparison to artificial protection structures. Here, we assess the current evidence for the efficacy of nature-based vs. artificial coastal protection and discuss future research needs. Future projects should evaluate habitats created or restored for coastal defence for cost-effectiveness in comparison to an artificial structure under the same environmental conditions. Cost-benefit analyses should take into consideration all ecosystem services provided by nature-based or artificial structures in addition to coastal protection. Interdisciplinary research among scientists, coastal managers and engineers is required to facilitate the experimental trials needed to test the value of these shoreline protection schemes, in order to support their use as alternatives to artificial structures. This research needs to happen now as our rapidly changing climate requires new and innovative solutions to reduce the vulnerability of coastal communities to an increasingly uncertain future.
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The record
- Venue
- Global Change Biology
- Topic
- Coastal wetland ecosystem dynamics
- Field
- Environmental Science
- Canadian institutions
- —
- Funders
- Engineer Research and Development CenterU.S. Army Corps of EngineersInstitut Alam Sekitar dan Pembangunan, Universiti Kebangsaan MalaysiaRoyal SocietyDirectorate for Biological SciencesAustralian GovernmentCanada Excellence Research Chairs, Government of CanadaUniversity of Cambridge
- Keywords
- Coastal erosionEnvironmental resource managementCoastal managementHabitatEcosystem servicesVulnerability (computing)Salt marshClimate changeCoastal floodEnvironmental scienceEnvironmental planningShoreEcosystemEcologyFisheryComputer science
- Has abstract in OpenAlex
- yes