Coastal Forested Wetland Conservation and Carbon Function

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Ecology and Management".

Deadline for manuscript submissions: 25 April 2024 | Viewed by 5983

Special Issue Editors


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Guest Editor
School of Forestry, Nanjing Forestry University, Nanjing 210037, China
Interests: ecology biodiversity and conservation; biological conservation; climate change; hydrology; wetland ecology; soil and water conservation; soil carbon sequestration
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Guest Editor
School of Forestry, Nanjing Forestry University, Nanjing 210037, China
Interests: wetland ecology and hydrology; forest hydrology; soil water movement; preferential flow

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Guest Editor
Department of Built Environment, Aalto University, Espoo, Finland
Interests: water resource management
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Special Issue Information

Dear Colleagues,

Coastal forested wetland has a variety of ecosystem services, which can sequester large quantities of carbon from the atmosphere. The ecosystem can be influenced by tidal action, and intertidal and supratidal positions. Coastal forested wetland can also occur across tidal and non-tidal environments, with changes in sea-level and freshwater supply determining their dominant hydrological regime, and subsequently shifts in vegetation structure and composition can occur. These coastal forests are dynamic and are highly responsive to climate change and human activities. In recent years, with the intensification of climate change and human activities, the trend of shrinking coastal forested wetland area, functional degradation, and declining biodiversity continues all the time. Coastal forested wetland degradation has caused serious ecological and environmental problems. For example, the carbon pool function has been damaged due to the serious degradation. Therefore, coastal forested wetland conservation and restoration plays an important role in slowing down the greenhouse effect and curbing global warming.

We invite you to contribute your recent research in relation to understanding the effects of coastal forested wetland conservation on carbon function. The potential topics include but not limited to:

  1. Ecohydrological processes in coastal forested wetland;
  2. Biogeochemistrical processes in coastal forested wetland;
  3. Prediction of potential wetland carbon sequestration;
  4. Quantification of carbon emissions in coastal forested wetland;
  5. Wetland carbon cycling and climate changes;
  6. Monitoring of the structure and function of coastal forested wetland;
  7. Assessment of coastal forested wetland ecosystem services;
  8. Solutions in "Forest-Wetland" spatial management strategies.

Prof. Dr. Jiang Jiang
Dr. Yinghu Zhang
Dr. Tian Xie
Dr. Dandan Zhao
Guest Editors

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Keywords

  • wetland conservation
  • carbon sequestration
  • carbon cycling
  • ecosystem services
  • coastal forested wetland

Published Papers (4 papers)

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Research

16 pages, 4731 KiB  
Article
The Influence of Exogenous Nitrogen Input on the Characteristics of Phytolith-Occluded Carbon in the Kandelia obovata Soil System
by Huiming You, Lidi Zheng, Weibin You, Fanglin Tan, Fangyi Wang, Yan Cao, Tongchao Le, Jie Lin and Jiangrong Lv
Forests 2023, 14(11), 2202; https://doi.org/10.3390/f14112202 - 06 Nov 2023
Viewed by 851
Abstract
Phytolith-occluded Ccarbon (PhytOC) is an important carbon sink in wetland ecosystems and a mechanism for long-term carbon sequestration. In recent years, nitrogen pollution has become increasingly severe and poses a threat to the healthy development of coastal ecological environments and socio-economic development; therefore, [...] Read more.
Phytolith-occluded Ccarbon (PhytOC) is an important carbon sink in wetland ecosystems and a mechanism for long-term carbon sequestration. In recent years, nitrogen pollution has become increasingly severe and poses a threat to the healthy development of coastal ecological environments and socio-economic development; therefore, studying the impact of nitrogen deposition on the sequestration potential of PhytOC in the soil of coastal wetlands is highly significant. In the present study, two indoor tidal simulation experiments were set up with and without the planting of vegetation. The sequestration capacity and factors that influence soil PhytOC in the Kandelia obovata soil system were compared and analyzed under five nitrogen concentrations. The analysis shows that with the introduction of Kandelia obovata, the occluded carbon content of the soil phytoliths was significantly increased by 31.45% compared with the non-plant group, and the PhytOC content of the soil increased by 7.94%. The exogenous nitrogen input reduced the PhytOC content of the soil, with a rate of decline exceeding 26%. The PhytOC of the soil phytoliths and the PhytOC content of the soil in the planting group increased with increasing nitrogen concentration, while that of the non-plant group decreased as the concentration of nitrogen increased. The non-plant group was more affected by the exogenous nitrogen concentration than the planting group, and the soil microbial biomass carbon and microbial biomass nitrogen were the main factors that influenced changes in the PhytOC. In conclusion, nitrogen input has a significant inhibitory effect on soil PhytOC sequestration potential in coastal wetlands. Planting Kandelia obovata helps to improve the stability of carbon in wetland soil. Full article
(This article belongs to the Special Issue Coastal Forested Wetland Conservation and Carbon Function)
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13 pages, 6761 KiB  
Article
Quantification of Ecosystem Services from Urban Mangrove Forest: A Case Study in Angke Kapuk Jakarta
by Elham Sumarga, Arni Sholihah, Febby Angelina Edi Srigati, Servina Nabila, Puteri Raysa Azzahra and Naufal Pasya Rabbani
Forests 2023, 14(9), 1796; https://doi.org/10.3390/f14091796 - 03 Sep 2023
Cited by 1 | Viewed by 1184
Abstract
Coastal urban areas in Indonesia commonly encounter complex environmental problems, including bad air pollution and high risk of flooding due to sea level rise and land subsidence. The existence of urban mangrove forests potentially contributes to mitigating the environmental problems. Preserving mangrove forests [...] Read more.
Coastal urban areas in Indonesia commonly encounter complex environmental problems, including bad air pollution and high risk of flooding due to sea level rise and land subsidence. The existence of urban mangrove forests potentially contributes to mitigating the environmental problems. Preserving mangrove forests in coastal urban areas requires continuous support from all stakeholders, which can be strengthened by good understanding on the comprehensive benefits provided by these ecosystems. This study aims to quantify key ecosystem services from urban mangrove forest, with a case study in Angke Kapuk Jakarta. Four types of key ecosystem services were quantified, i.e., carbon storage, air pollutant absorption, microclimate regulation, and nature recreation. A vegetation survey was conducted in 30 sample plots to collect data for carbon storage, which covers above-ground carbon, below-ground carbon, and carbon on deadwood. The absorption of six pollutants (CO, NO2, O3, SO2, PM10, and PM2.5) was analysed using the i-Tree Eco model. Field measurements of air temperature and humidity, as well as interviews with 99 visitors, were performed to analyse microclimate regulation. This study found a high quantity of carbon storage within mangrove trees and deadwood in the study area (111.6 tonnes C/ha) as well as high amounts of air pollutants absorbed by mangrove trees (11.3 tonnes/year). Mangrove trees in the study area effectively regulated microclimate conditions, indicated by a significant difference in average daily air temperature and humidity between inside and outside the mangrove forest. Meanwhile, the number of visitors benefiting from its recreation services has fluctuated during the last five years, with an average of 138,550 people per year. We discuss the implications of the findings of this study for urban mangrove forest management, including how to integrate ecosystem services quantification into mangrove preservation and rehabilitation. Full article
(This article belongs to the Special Issue Coastal Forested Wetland Conservation and Carbon Function)
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15 pages, 5447 KiB  
Article
Simulation and Prediction of Sea Level Rise Impact on the Distribution of Mangrove and Spartina alterniflora in Coastal China
by Yaqi Zhang, Lina Cui, Deyu Xie and Jiang Jiang
Forests 2023, 14(4), 831; https://doi.org/10.3390/f14040831 - 18 Apr 2023
Cited by 3 | Viewed by 1717
Abstract
Sea level rise (SLR) has a significant impact on the vegetation ecosystem in coastal wetlands. Taking coastal China as the study area, the SLAMM (sea level rise affecting marsh model) was used to simulate the continuous long-term (2015–2100) effects of the spatiotemporal changes [...] Read more.
Sea level rise (SLR) has a significant impact on the vegetation ecosystem in coastal wetlands. Taking coastal China as the study area, the SLAMM (sea level rise affecting marsh model) was used to simulate the continuous long-term (2015–2100) effects of the spatiotemporal changes in mangrove and Spartina alterniflora in the four shared socioeconomic pathway scenarios (SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5) of sea level rise by 2100; then, ArcGis was used to assess and compare the impact of SLR on land use. The results are as follows. (1) The dramatic reduction in the vegetation area is positively correlated with the rate of sea level rise. (2) Tidal differences and sedimentation rates affect the response of mangrove and S. alterniflora distribution to sea level rise, as well as interactions between organisms. (3) The reasonable land use of coastal wetlands is important to researchers. Land use is one of the tools for effective mangrove conservation. In conclusion, in scientific research and production practice, it is important to combine the biotic and abiotic factors affecting the distribution of mangroves and S. alterniflora. Full article
(This article belongs to the Special Issue Coastal Forested Wetland Conservation and Carbon Function)
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15 pages, 3342 KiB  
Article
Sediment CO2 Flux from a Mangrove in Southern China: Is It Controlled by Spatiotemporal, Biotic or Physical Factors?
by Siqi Nie, Xiaoguang Ouyang, Wenqing Wang, Zhenchang Zhu, Fen Guo, Zhifeng Yang and Shing Yip Lee
Forests 2023, 14(4), 782; https://doi.org/10.3390/f14040782 - 11 Apr 2023
Cited by 1 | Viewed by 1399
Abstract
Carbon gas flux is important for studies on carbon dynamics in mangroves, but the controlling factors have not always been sufficiently understood. In this study, it is suggested that sediment carbon dioxide (CO2) fluxes in a natural mangrove in Southern China [...] Read more.
Carbon gas flux is important for studies on carbon dynamics in mangroves, but the controlling factors have not always been sufficiently understood. In this study, it is suggested that sediment carbon dioxide (CO2) fluxes in a natural mangrove in Southern China are controlled by tidal positions, seasons, species, the densities of crab burrows and pneumatophores, light conditions and sediment temperature. All these factors account for 51.47% variation in CO2 flux from the sediment–air interface. CO2 flux generally decreased along the tidal position from landward to seaward, and was higher in the dry season than in the wet season. CO2 flux was highest in Avicennia marina (grey mangrove) in comparison with Aegiceras corniculatum (river mangrove) and Kandelia obovata. Pneumatophores and crab burrows promoted sediment CO2 flux in the mangrove at a rate of 18.29 and 15.52 mmol m−2 d−1. Dark flux was higher than light flux. Sediment temperature has a negative influence on CO2 flux. Pneumatophores explain the most variation (13.9%) in CO2 flux among the above factors. Our study suggests that the photosynthesis activity of microphytobenthos is an important factor driving the change of CO2 emissions in this natural mangrove. This is of great significance for the study and for the full exploitation of the carbon sink potential of mangroves. Full article
(This article belongs to the Special Issue Coastal Forested Wetland Conservation and Carbon Function)
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