Degradation and Ecological Restoration of Estuarine Wetlands in China

Li, Shanze; Xie, Tian; Bai, Junhong; Cui, Baoshan

doi:10.1007/s13157-022-01589-9

Cited by 12 publications

(7 citation statements)

References 67 publications

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“…Living shorelines utilize natural materials like oyster reefs, salt marshes, seagrass meadows, and mangroves to protect muddy shorelines and wetlands from erosion, rehabilitating ecosystem functions [177,178]. These coastal wetlands offer habitat for diverse marine species, stabilize sediments, reduce wave energy and sediment loss, and support the rehabilitation of crucial essential fish habitats and nursery grounds.…”

Section: Living Shorelinesmentioning

confidence: 99%

“…Seawalls and revetments are commonly used coastal defense structures as a last alternative when shoreline erosion becomes critical [268,269]. However, they can reflect wave energy and cause increased erosion in adjacent areas [178]. When using these structures, careful design and consideration should be given to minimize wave reflection and maintain natural sediment longshore transport processes.…”

Section: Seawalls and Revetmentsmentioning

confidence: 99%

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Coastal Restoration Challenges and Strategies for Small Island Developing States in the Face of Sea Level Rise and Climate Change

Hernández-Delgado

2024

Coasts

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The climate crisis poses a grave threat to numerous small island developing states (SIDS), intensifying risks from extreme weather events and sea level rise (SLR). This vulnerability heightens the dangers of coastal erosion, chronic water quality degradation, and dwindling coastal resources, demanding global attention. The resultant loss of ecological persistence, functional services, and ecosystem resilience jeopardizes protection against wave action and SLR, endangering coastal habitats’ economic value, food security, infrastructure, and livelihoods. Implementing integrated strategies is imperative. A thorough discussion of available strategies and best management practices for coastal ecosystem restoration is presented in the context of SIDS needs, threats, and major constraints. Solutions must encompass enhanced green infrastructure restoration (coral reefs, seagrass meadows, mangroves/wetlands, urban shorelines), sustainable development practices, circular economy principles, and the adoption of ecological restoration policies. This requires securing creative and sustainable funding, promoting green job creation, and fostering local stakeholder engagement. Tailored to each island’s reality, solutions must overcome numerous socio-economic, logistical, and political obstacles. Despite challenges, timely opportunities exist for coastal habitat restoration and climate change adaptation policies. Integrated strategies spanning disciplines and stakeholders necessitate significant political will.

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Section: Living Shorelinesmentioning

confidence: 99%

Section: Seawalls and Revetmentsmentioning

confidence: 99%

Coastal Restoration Challenges and Strategies for Small Island Developing States in the Face of Sea Level Rise and Climate Change

Hernández-Delgado

2024

Coasts

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“…The LREW is still in the process of restoration. Although ecological restoration currently contributes little to carbon storage function, future effects need to be supported by monitoring data (Li et al, 2022a). The formation of resilient ecosystems is the most successful sign of ecological restoration (Billah et al, 2022).…”

Section: Soil Organic Carbon Storagementioning

confidence: 99%

Soil organic carbon storage in Liaohe River Estuary Wetlands under restoration and multiple management strategies, based on landscape patterns

Wang

Pan²,

Yu³

et al. 2023

Front. Mar. Sci.

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IntroductionManagement of coastal wetlands has resulted in extensive conservation of this natural resource; however, changes in carbon storage function are not yet known. There is a direct link between landscape and soil carbon storage. Predicting future changes in the landscape and carbon storage in coastal wetlands is important for developing wetland management policies.MethodHere, remote sensing and physical methods were used to measure and calculate the landscape and surface soil carbon stocks of the Liaohe River Estuary Wetland (LREW). The changes in the landscape and soil carbon stocks under three scenarios: natural development, strict protection, and culture pond transfer, were then predicted using the PLUS model.ResultThe results indicate that the surface soil organic carbon storage was 2107.97×103 t, while soil organic carbon density decreased from land to sea. Anthropogenic activity was found to be the main driver of the current landscape evolution. However, the impact of sea level rise is increasing. By 2030, considerably more storage will be gained under the culture pond transfer scenario than at present.DiscussionOur results reveal that some of the methods of ecological restoration may diminish the carbon storage capacity of coastal wetlands. Making full use of areas with high carbon storage potential may be an effective wetland carbon sink management strategy. Governments should consider more comprehensively for a better carbon pool when developing restoration strategies.

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“…However, the negative ecological impact of S. alterniflora invasion is becoming increasingly severe, affecting the structure and composition of biological communities. This invasion damages the composition and transmission of the food chain in coastal wetland ecosystems, leading to extreme instability in the ecological environment of coastal wetlands (Jinks et al, 2020;Li S. et al, 2022;Jia et al, 2022). Due to its high tolerance to salinity, rapid growth rate, and extensive range, S. alterniflora alters surrounding environmental factors by secreting a significant amount of salt into the environment during high-intensity transpiration.…”

Section: Introductionmentioning

confidence: 99%

Latitudinal patterns and their climate drivers of the δ13C, δ15N, δ34S isotope signatures of Spartina alterniflora across plant life-death status: a global analysis

Zhang,

Wang,

Liu

et al. 2024

Front. Plant Sci.

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Isotopic signatures offer new methods, approaches, and perspectives for exploring the ecological adaptability and functions of plants. We examined pattern differences in the isotopic signatures (δ13C, δ15N, δ34S) of Spartina alterniflora across varying plant life-death status along geographic clines. We extracted 539 sets of isotopic data from 57 publications covering 267 sites across a latitude range of over 23.8° along coastal wetlands. Responses of isotopic signatures to climate drivers (MAT and MAP) and the internal relationships between isotopic signatures were also detected. Results showed that the δ13C, δ15N, and δ34S of S. alterniflora were -13.52 ± 0.83‰, 6.16 ± 0.14‰, and 4.01 ± 6.96‰, with a range of -17.44‰ to -11.00‰, -2.40‰ to 15.30‰, and -9.60‰ to 15.80‰, respectively. The latitudinal patterns of δ13C, δ15N, and δ34S in S. alterniflora were shaped as a convex curve, a concave curve, and an increasing straight line, respectively. A decreasing straight line for δ13C within the ranges of MAT was identified under plant life status. Plant life-death status shaped two nearly parallel decreasing straight lines for δ34S in response to MAT, resulting in a concave curve of δ34S for live S. alterniflora in response to MAP. The δ15N of S. alterniflora significantly decreased with increasing δ13C of S. alterniflora, except for plant death status. The δ13C, δ15N, and δ34S of S. alterniflora are consistent with plant height, stem diameter, leaf traits, etc, showing general latitudinal patterns closely related to MAT. Plant life-death status altered the δ15N (live: 6.55 ± 2.23‰; dead: -2.76 ± 2.72‰), latitudinal patterns of S. alterniflora and their responses to MAT, demonstrating strong ecological plasticity and adaptability across the geographic clines. The findings help in understanding the responses of latitudinal patterns of the δ13C, δ15N, and δ34S isotope signatures of S. alterniflora in response plant life-death status, and provide evidence of robust ecological plasticity and adaptability across geographic clines.

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Degradation and Ecological Restoration of Estuarine Wetlands in China

Cited by 12 publications

References 67 publications

Coastal Restoration Challenges and Strategies for Small Island Developing States in the Face of Sea Level Rise and Climate Change

Coastal Restoration Challenges and Strategies for Small Island Developing States in the Face of Sea Level Rise and Climate Change

Soil organic carbon storage in Liaohe River Estuary Wetlands under restoration and multiple management strategies, based on landscape patterns

Latitudinal patterns and their climate drivers of the δ13C, δ15N, δ34S isotope signatures of Spartina alterniflora across plant life-death status: a global analysis

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