Cost-effectiveness of two small-scale salt marsh restoration designs

Sparks, Eric; Cebrián, Just; Biber, Patrick D.; Sheehan, Kate L.; Tobias, Craig R.

doi:10.1016/j.ecoleng.2012.12.053

Cited by 28 publications

(22 citation statements)

References 29 publications

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“…Our results indicate that natural populations of J. roemerianus have intermediate levels of genotypic and genetic diversity, which has important implications for salt marsh restoration technique and implementation. While there is no universal protocol for J. roemerianus restoration (Sparks et al 2013), any projects that attempt to generate restored populations with natural levels of genetic diversity would be misled by current J. roemerianus life history literature. J. roemerianus is reported to primarily use clonal propagation to reproduce in established populations (Eleuterius 1975;Stout 1984), implying natural populations are comprised of only a few unique genotypes.…”

Section: Implications For Restoration and Conservationmentioning

confidence: 99%

“…Gulf coast salt marshes ameliorate eutrophication and have a marked effect on water quality, limiting the hypoxic effects of nutrient rich runoff from the Mississippi River (Zedler and Kercher 2005). The irregularly flooded marshes along the coasts of Mississippi, Alabama, and western Florida are dominated by the mid-marsh species black needlerush (Juncus roemerianus Scheele) (Eleuterius 1976;Stout 1984), a target species for restoration in the area (Sparks et al 2013).…”

Section: Introductionmentioning

confidence: 99%

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Landscape genetics of the foundational salt marsh plant species black needlerush (Juncus roemerianus Scheele) across the northeastern Gulf of Mexico

et al. 2018

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Context Common species important for ecosystem restoration stand to lose as much genetic diversity from anthropogenic habitat fragmentation and climate change as rare species, but are rarely studied. Salt marshes, valuable ecosystems in widespread decline due to human development, are dominated by the foundational plant species black needlerush (Juncus roemerianus Scheele) in the northeastern Gulf of Mexico.Objectives We assessed genetic patterns in J. roemerianus by measuring genetic and genotypic diversity, and characterizing population structure. We examined population connectivity by delineating possible dispersal corridors, and identified landscape factors influencing population connectivity.

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Section: Implications For Restoration and Conservationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Landscape genetics of the foundational salt marsh plant species black needlerush (Juncus roemerianus Scheele) across the northeastern Gulf of Mexico

et al. 2018

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“…On May 1, 2009, 720 transplant units (TUs) measuring 15 cm in diameter (0.018 m 2 ) were collected from both donor meadows and transplanted in Little Lagoon over a period of six hours using volunteer help. A checkerboard planting design was selected based on prior successful marsh restorations that had proven to be both cost‐effective and enhanced self‐facilitative properties of black needlerush ( Juncus roemerianus ) transplants (Sparks, Cebrian, Biber, Sheehan, & Tobias, ). We modified the scale to better suit the small shoalgrass morphology so that each transplant replicate was a 1.5 m × 1.5 m square, checkerboarded with five planted and four non‐planted squares of 0.5 m sides (Figure ).…”

Section: Methodsmentioning

confidence: 99%

The influence of seagrass donor source on small‐scale transplant resilience

McDonald

Christiaen

Major

et al. 2020

Aquatic Conservation

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1. Concern for conservation of seagrass habitat has prompted international transplantation-style restoration efforts. A recent review of these restoration efforts has highlighted the low success associated with small-scale restorations, yet scaling up transplantation effort may be too costly for underfunded regions. Small-scale transplant survival can be enhanced with alleviation of two underlying issues: restoration site selection and donor site selection. 2. To investigate appropriate donor source selection, donor site environmental influence on seagrass (Halodule wrightii) transplant survival was examined by transplanting donor cores from two environmentally disparate sites to a transplantation site with limited environmental uncertainties. Donor sites were chosen to represent either end of a benthic light gradient (high versus low) to elucidate seagrass resilience to transplantation stress, with respect to donor site conditions. 3. After total loss of the first trial, a second trial was conducted with stabilizing mesh placed over transplants to reduce stingray bioturbation. The second trial resulted in 100% survival of high light transplants after 12 months and moderate survival (30-60%) of low light transplants for the first six months. 4. At 18 months, the second trial ended after sediment burial from a hurricane. One year post-burial, a patch of H. wrightii recovered at the high light transplant site; after six years the patch expanded to approximately 74 m 2 , an area 37-fold larger than originally planted. 5. Results from this transplant experiment provide evidence that donor environment plays a role in transplant resilience. The transplants sourced from high light had 47% greater leaf area per shoot, were more resistant to transplantation stress, and recovered following an extreme event relative to low light transplants. Therefore, selection of donor plants with more resilience features, a transplantation site with limited environmental uncertainties, and adaptive intervention can enhance seagrass resilience at a small planting scale.

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“…The preservation and use of marsh buffers in green and hybrid infrastructure approaches has recently gained interest (Sutton-Grier et al, 2015 ways that make use of nature's ecosystem services and allow the natural system to adjust to changes in changing conditions (for example, by allowing marsh buffers to shift through time) is a main tenant of the emerging innovative "Build with Nature" approach (e.g., de Vriend et al, 2015). Coastal restoration, defined as the recovery of ecosystem structure and functions where they have been lost (Sparks et al, 2013;La Peyre et al, 2014), is another aspect of effective management. Coastal restoration can be achieved through various strategies, including landbuilding or ecosystem creation.…”

Section: Effects Of Strategic Natural Resource Conservation and Restomentioning

confidence: 99%

“…Restoration actions also have the potential to help reduce coastal hazards, such as storm damage and nutrient pollution. However, the success of restoration efforts is highly variable, with some projects performing poorly and others performing quite well (Sparks et al, 2013).…”

Section: Effects Of Strategic Natural Resource Conservation and Restomentioning

confidence: 99%

Understanding the Long-Term Evolution of the Coupled Natural-Human Coastal System: The Future of the U.S. Gulf Coast

Glickson¹,

Özkan-Haller²,

Carter³

et al. 2018

Geological Society of America Abstracts With Programs

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Division), and Eric White (The Water Institute of the Gulf). The committee would also like to thank Brad Murray of Duke University, who provided information to the committee via a webinar. This Consensus Study Report was reviewed in draft form by individuals chosen for their diverse perspectives and technical expertise. The purpose of this independent review is to provide candid and critical comments that will assist the National Academies of Sciences, Engineering, and Medicine in making each published report as sound as possible and to ensure that it meets the institutional standards for quality, objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process. We thank the following individuals for their review of this report:

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Cost-effectiveness of two small-scale salt marsh restoration designs

Cited by 28 publications

References 29 publications

Landscape genetics of the foundational salt marsh plant species black needlerush (Juncus roemerianus Scheele) across the northeastern Gulf of Mexico

Landscape genetics of the foundational salt marsh plant species black needlerush (Juncus roemerianus Scheele) across the northeastern Gulf of Mexico

The influence of seagrass donor source on small‐scale transplant resilience

Understanding the Long-Term Evolution of the Coupled Natural-Human Coastal System: The Future of the U.S. Gulf Coast

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