Valuing the contribution of blue carbon to small island developing states' climate change commitments and Covid-19 recovery

McHarg, Ellen; Mengo, Elena; Benson, Lisa; Daniel, J.; Joseph-Witzig, Andre; Posen, Paulette; Luisetti, Tiziana

doi:10.1016/j.envsci.2022.02.009

Cited by 18 publications

(14 citation statements)

References 41 publications

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“…Mangroves are increasingly recognized as an important contributor to climate change mitigation, given the significantly high carbon burial rates [16]. Our findings from repeated soil carbon measurements demonstrate the importance of the soil C reservoir following mangrove reforestation and draw attention to its value for C emissions mitigation.…”

Section: Discussionmentioning

confidence: 57%

Soil Organic Carbon Stocks of Myanmar’s Shwe Thaung Yan Coastal Region and Accumulation in Magyi’s Mangroves Over Six Years

Aung¹,

Koirala²,

Htun³

et al. 2023

Preprint

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We investigated and quantified soil organic carbon (SOC) stock at the mangrove forest (Magyi, That Bot Khan and Wette) of Shwe Thaung Yan coastal region in Myanmar and estimated the SOC stock changes in Magyi mangrove forest over six years using repeated field measurements. The study sites were characterized by different mangrove vegetation, soil types, and sediment deposition from different water sources. Results showed that the mangrove preservation and restoration efforts had a significant effect on soil C storage, with soil carbon stocks in 2021 (1954.43 ± 33.24 ton/ha) being 2.7 times higher than the estimated carbon stock in 2015 (732.26 ± 6.99 ton/ha). The results also revealed slight differences in SOC between Magyi and the Tha-Bot-Khan and Wette areas, as the mangrove plants in the latter areas have an additional source of nutrients from Pho-Thoung-Gyi, a deep-sea bay near the forest. Our research findings are beneficial in understanding the role of Myanmar’s mangrove ecosystems in carbon sequestration and climate change mitigation efforts.

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Section: Discussionmentioning

confidence: 57%

Soil Organic Carbon Stocks of Myanmar’s Shwe Thaung Yan Coastal Region and Accumulation in Magyi’s Mangroves Over Six Years

Aung¹,

Koirala²,

Htun³

et al. 2023

Preprint

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“…Finding an appropriate method to estimate the exchange value of blue carbon in SIDS is complex and conditional to the uncertainty surrounding global and local carbon value estimates (Ricke et al 2018, World Bank 2020, McHarg et al 2022. Approaches to derive monetary estimates for carbon in line with the SEEA EA rely on observed prices from emission trading systems (ETS) and carbon taxes or, alternatively, on the abatement cost.…”

Section: Regulating Servicesmentioning

confidence: 99%

“…Approaches to derive monetary estimates for carbon in line with the SEEA EA rely on observed prices from emission trading systems (ETS) and carbon taxes or, alternatively, on the abatement cost. However, at the time of compiling the accounts, an abatement cost or carbon tax for Grenada was not available and the Island is not linked to any ETS, as also reported in McHarg et al (2022). Global carbon prices could be another alternative, but they show large variability and sensitivity to exogenous shocks and geographical factors (World Bank 2020) resulting in increased uncertainty which limits their use in EA applications.…”

Section: Regulating Servicesmentioning

confidence: 99%

“…Thornton 2019). In addition, the fragmentation and typology of information available do not allow us to make any assessment on whether changes in the extent of those ecosystem types have happened in the timeframe considered as also reported in McHarg et al (2022), even if such changes are, in reality, plausible. While social cost of carbon is listed in the SEEA EA (UN 2021) as a method, this metric includes consumer surplus, which is not included in the exchange value required for the SEEA EA.…”

Section: Endnotesmentioning

confidence: 99%

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Marine and coastal accounts for Small Island Developing States: A case study and application in Grenada

Mengo¹,

Grilli²,

Luisetti³

et al. 2022

Self Cite

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In recent decades, a concerted effort has been made to define methodologies and frameworks to account for the contribution of the natural environment to national wealth and its role in fulfilling societal and economic needs. The linkages between natural capital and human well-being are even stronger in low-income and vulnerable countries, such as Small Island Developing States (SIDS). This is particularly true for coastal and marine ecosystems and for SIDS, considering that a large portion of their population live along the coast. Therefore, SIDS would greatly benefit from systematically assessing and recording the condition and services provided by marine and coastal habitats in ecosystem accounts. Applications of accounting frameworks to marine and coastal habitats, however, are still under development. Through a case study in the Caribbean Island of Grenada, we explore SIDS readiness to develop marine and coastal natural capital accounts, in particular framed within the guidelines of the United Nations System of Environmental-Economic Accounting Ecosystem Accounting (SEEA-EA). We find that, while data to compile accounts of ecosystems extent exist and may be suitable for accounting, data related to ecosystem condition are very limited. Data gaps significantly constrained the potential approaches to estimate the ecosystem services supply provided by the coastal and marine environment in our natural capital accounts for Grenada. Our case study investigation brings us to suggest initial steps for the development of ecosystem accounts in SIDS, including potential methodologies and approaches and discuss how developing a set of coherent accounts can play a key role in incorporating nature into decision-making.

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“…Mangrove forest) is termed as 'blue carbon' (Mcleod et al 2011). Recent research has highlighted the importance of mangrove forests in sequestering soil organic carbon (SOC) (Jakovac et al 2020, Jennerjahn, 2020, Kauffman et al 2020, McHarg et al 2022. Mangrove forests can store large amounts of SOC in their root systems and sediments (Kauffman et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Understanding carbon storage dynamics in Ayeyarwady delta's mangrove ecosystem in Myanmar: insights for restoration efforts

Pandey,

Koirala,

Aung

et al. 2024

Environ. Res. Commun.

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Mangroves are highly valued for their ecosystem services, providing a wide range of ecological, social, and economic benefits, including their role as carbon-rich ecosystems. Recent research suggests that preserving mangrove forests can offer a cost-effective strategy for mitigating CO2 emissions. However, extensive deforestation has placed mangrove ecosystems under severe global threats. Currently, the assessment of mangrove restoration outcomes, particularly regarding soil carbon stocks, is inadequate. Therefore, this study aims to investigate the impact of restoration on soil organic carbon (SOC) in the Shwe Thaung Yan, Ayeyarwady coastal region of Myanmar. The study aimed to quantify and compare carbon stocks in different soil layers, examine the carbon sequestration potential of various mangrove species, and evaluate the effectiveness of mangrove restoration efforts. Soil samples were collected in 2015 (pre-restoration) and 2021 (post-restoration) at various soil depths and analyzed for SOC concentration, organic matter content, and bulk density using the Loss on Ignition (LOI) procedure. Significant changes in soil properties were observed between 2015 and post-restoration in 2021, with higher SOC and carbon concentrations observed in 2021. The average soil carbon stocks in 2021 (1954.43 ± 33.24 Mg C ha-1) were approximately 2.7 times higher than the estimated carbon stocks in 2015 (732.26 ± 6.99 Mg C ha-1). Furthermore, the study revealed variations in SOC accumulation among different soil depths, with higher carbon stocks found in the upper soil layers. This study highlights the positive impact of mangrove restoration on SOC accumulation and emphasizes the significance of considering soil carbon dynamics in restoration initiatives. The findings offer valuable insights for the conservation and management of mangrove ecosystems, especially concerning their potential for carbon sequestration and their contribution to mitigating climate change.

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Valuing the contribution of blue carbon to small island developing states' climate change commitments and Covid-19 recovery

Cited by 18 publications

References 41 publications

Soil Organic Carbon Stocks of Myanmar’s Shwe Thaung Yan Coastal Region and Accumulation in Magyi’s Mangroves Over Six Years

Soil Organic Carbon Stocks of Myanmar’s Shwe Thaung Yan Coastal Region and Accumulation in Magyi’s Mangroves Over Six Years

Marine and coastal accounts for Small Island Developing States: A case study and application in Grenada

Understanding carbon storage dynamics in Ayeyarwady delta's mangrove ecosystem in Myanmar: insights for restoration efforts

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