The size and distribution of tidal creeks affects salt marsh restoration

Wu, Yue; Liu, Jiakai; Yan, Guoxin; Zhai, Jiexiu; Cong, Ling; Dai, Lanxin; Zhang, Zhenming; Zhang, Mingxiang

doi:10.1016/j.jenvman.2020.110070

Cited by 28 publications

(21 citation statements)

References 42 publications

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“…Case studies in the Yellow River Delta showed that the depth of a tidal creek had a strong correlation with the density ( p = 0.04; R 2 = 0.25) and height ( p = 0.01; R 2 = 0.40) of P . australis (Wu et al, 2020). The parameters of tidal creeks were also linked to the terrain‐based structural and dynamic hydrological connectivity (Dawidek & Ferencz, 2016; Volk, Gattringer, Otte, & Harvolk‐Schöning, 2018) on the lateral direcition.…”

Section: Discussionmentioning

confidence: 99%

“…In recent years, researchers realized that hydrological connectivity can also affect plant traits, species distributions, and several other characteristics of the vegetation (Kang & King, 2013;Paillex, Dolédec, Castella, & Mérigoux, 2009;Pringle, 2003). Case studies in the Yellow River Delta showed that the depth of a tidal creek had a strong correlation with the density (p = 0.04; R 2 = 0.25) and height (p = 0.01; R 2 = 0.40) of P. australis (Wu et al, 2020). The parameters of tidal creeks were also linked to the terrain-based structural and dynamic hydrological connectivity (Dawidek & Ferencz, 2016;Volk, Gattringer, Otte, & Harvolk-Schöning, 2018) on the lateral direcition.…”

Section: Influence Of Environment Factors On Plantsmentioning

confidence: 99%

“…A follow‐up research also reported that the distribution of species and biomass in high salinity areas are affected by hydrological connectivity (Liu et al, 2020; Liu et al, 2020). As several other studies found that the distribution and cover rate of plant species are also influenced by the distribution and morphology of tidal creeks (Fleri, Lera, Gerevini, Staver, & Nardin, 2019; Wu et al, 2020), studies examining the relationship between dominant species population structure and hydrological connectivity remain to be limited.…”

Section: Introductionmentioning

confidence: 99%

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A threshold‐like effect on the interaction between hydrological connectivity and dominant plant population in tidal marsh wetlands

Liu

Xie

et al. 2021

Land Degrad Dev

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Tidal marsh wetlands in the Yellow River Delta provide valuable eco‐services to the local population and global ecology. However, this area is suffering from serious degradation under the stresses of social development and climate change. Hydrological connectivity, a new framework in hydrology and ecology, has been proposed as the main factor affecting the ecological processes in coastal wetlands; however, its role in hydrology–soil–vegetation interactions remains unclear. In this study, we parametrically quantified the hydrological connectivity in the tidal marsh wetlands and analyzed its relationship with Phragmites australis, one of the dominant species in this area. Our results showed threshold‐like effects on the interaction between hydrological connectivity and P. australis on the plot scale. When biomass is lower than 2.2 kg m−2, the population density and structure size were found to increase with hydrological connectivity. When the biomass is higher than the threshold, the plots disconnected hydrologically because of high water consumption. Compared with soil chemistry, salinity, and water soil content, hydrological connectivity in the surface soil layer is more strongly linked to the plant traits and spatial structure in the tidal marsh wetlands due to the narrow ranges of other variables. Based on the Best on previous study and our analysis, we do not recommend dense plantation of P. australis, especially near the freshwater sources in the tidal marsh, because of its high reproduction ability and competitive nature, which may cut the freshwater connectivity off, lowering the richness of plant species and habitat diversity.

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Section: Discussionmentioning

confidence: 99%

Section: Influence Of Environment Factors On Plantsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A threshold‐like effect on the interaction between hydrological connectivity and dominant plant population in tidal marsh wetlands

Liu

Xie

et al. 2021

Land Degrad Dev

Self Cite

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show abstract

“…In recent years, researchers realized that hydrological connectivity can also affect plant traits, species distributions, and several other characteristics of the vegetation (Kang and King, 2013;Paillex et al, 2009;Pringle, 2003). Case studies in the Yellow River Delta showed that the depth of a tidal creek had a strong correlation with the density (P = 0.04; R 2 = 0.25 ) and height (P = 0.01; R 2 = 0.40 ) of P. australis (Wu et al, 2020). The parameters of tidal creeks were also linked to the terrain-based structural and dynamic hydrological connectivity (Dawidek and Ferencz, 2016;Volk et al, 2018) on the horizontal direction.…”

Section: Influence Of Environment Factors On Plantsmentioning

confidence: 99%

“…A follow-up research also reported that the distribution of species and biomass in high salinity areas are affected by hydrological connectivity . As several other studies found that the distribution and cover rate of plant species are also influenced by the distribution and morphology of tidal creeks (Fleri et al, 2019;Wu et al, 2020), studies examining the relationship between dominant species population structure and hydrological connectivity remain to be limited.…”

mentioning

confidence: 99%

A Threshold-like Effect on the Interaction Between Hydrological Connectivity and Dominant Plant Population in Tidal Marsh Wetlands

Liu¹,

Liu²,

Xie³

et al. 2020

Preprint

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Tidal marsh wetlands in the Yellow River Delta provide valuable eco-services to the local population and global ecology. However, this area is suffering from serious degradation under the stresses of social development and climate change. Hydrological connectivity, a new framework in hydrology and ecology, has been proposed as the main factor affecting the ecological processes in coastal wetlands; however, its role in hydrology-soil-vegetation interactions remains unclear. In this study, the researchers parametrically quantified the hydrological connectivity in the tidal marsh wetlands and analyzed its relationship with Phragmites australis, one of the dominant species in this area. Our results showed threshold-like effects on the interaction between hydrological connectivity and P. australis on the plot scale. When biomass is lower than 2.2 kg/m2, the population density and structure size were found to increase with hydrological connectivity. When the biomass is higher than the threshold, the plots disconnected hydrologically because of high water consumption. Compared with soil chemistry, salinity, and water soil content, hydrological connectivity in the surface soil layer is more strongly linked to the plant traits and spatial structure in the tidal marsh wetlands due to the narrow ranges of other variables. Based on the authors' analysis, the researchers do not recommend dense plantation of P. australis, especially near the freshwater sources in the tidal marsh, because of its high reproduction ability and competitive nature, which may cut the freshwater connectivity off, lowering the richness of plant species and habitat diversity.

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Can We Protect China's Northern Coast Wetlands From Tidal Dynamics by Restoring Native Species After Spartina alterniflora Is Eradicated? A Model‐Based Analysis

Liu,

Wang,

Zhao

et al. 2024

Land Degrad Dev

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In recent years, the Chinese government has implemented a series of initiatives with the objective of eradicating the invasive Spartina alterniflora along the entire coastline. This has given rise to concerns about the potential for subsequent coastal erosion and salt marsh shrinkage. This study introduces a novel contribution in the form of a model‐based analysis, grounded in fieldwork from the Yellow River Delta, which assesses the potential of native Suaeda salsa as an alternative for coastal protection. Our approach is distinctive in that it not only compares the flow velocity reduction effects of S. alterniflora and S. salsa, but also evaluates the efficacy of three distinct planting patterns in managing tidal dynamics. In this study, we present a significant finding: while both species can mitigate tidal flow velocity, S. alterniflora shows superior performance, which represents a novel point of discussion in the field of coastal wetland management. Furthermore, our research indicates that dense aggregated planting patterns are particularly effective during storm surges, offering a strategic insight for future ecological engineering. However, we recognize the potential limitations of our approach, including the need for continuous management to control the spread of S. alterniflora and the necessity for further research to optimize the restoration potential of S. salsa under varying tidal conditions. Our findings highlight the importance of a balanced approach, suggesting the retention of a portion of S. alterniflora while also emphasizing the strategic planting of S. salsa in high‐density configurations to enhance coastal resilience.

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The size and distribution of tidal creeks affects salt marsh restoration

Cited by 28 publications

References 42 publications

A threshold‐like effect on the interaction between hydrological connectivity and dominant plant population in tidal marsh wetlands

A threshold‐like effect on the interaction between hydrological connectivity and dominant plant population in tidal marsh wetlands

A Threshold-like Effect on the Interaction Between Hydrological Connectivity and Dominant Plant Population in Tidal Marsh Wetlands

Can We Protect China's Northern Coast Wetlands From Tidal Dynamics by Restoring Native Species After Spartina alterniflora Is Eradicated? A Model‐Based Analysis

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