South Asia

Valuing the Role of Mangroves in Storm Damage Reduction in Coastal Areas of Odisha

Background

Building resilience has become a significant concern for coastal communities due to future sea level rise and more frequent tropical storms caused by climate change. Mangroves can provide coastal resilience by reducing lives lost and property damage from tropical storms. These benefits demonstrate how including these ecosystem services in sustainable land use planning could be an economically viable coastal resilience strategy.

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Mangroves protected villages and reduced death toll during Indian super cyclone

Background

While protection against storm damage is discussed as an ecosystem service of mangroves, there is debate about whether there is sufficient evidence for these claims. Multiple studies on this topic use small sample sizes and have a lack of controls for confounding factors. However, quality research exists that effectively demonstrates mangroves’ ability to protect coastal communities from tropical storm surge. Thus, it is necessary that future studies focusing on mangroves’ protective capabilities from tropical storms follow higher research standards to effectively provide evidence for this ecosystem service.

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Asian dryland ecohealth progress for land degradation neutrality

Background

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Global Significance of Mangrove Blue Carbon in Climate Change Mitigation

Background

Mangrove forests sequester proportionately greater amounts of carbon than most terrestrial environments. However, natural greenhouse gas (GHG) fluxes from these ecosystems and the carbon released when they are degraded counteract their carbon sequestration potential. Therefore, it is necessary to examine carbon stocks, rates of carbon sequestration, and carbon losses from these environments to clarify the global and regional potential of mangrove forests to mitigate climate change.

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Elevation, aspect, and climate shape blue pine (Pinus wallichiana) biomass and carbon dynamics in the Bhutanese Himalayas

Background

Forests cover over two-thirds of Bhutan and are constitutionally protected, enabling national carbon neutrality. Yet, climate change, increasing temperatures, variable precipitation, and heightened wildfire risk threaten carbon storage capacity and species distributions. Blue pine is a fast-growing, socio-economically important species dominating inner dry valleys between roughly 2200–3000 m, making it an ideal model to understand how elevation and slope aspect regulate biomass accumulation and carbon sequestration under changing climate conditions.

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Refining the Global Estimate of Mangrove Carbon Burial Rates Using Sedimentary and Geomorphic Settings

Background

Previous research has focused on calculating accurate estimates of global mangrove carbon stock, while lacking studies examining global patterns of organic carbon (OC) burial. Mangrove forests are naturally highly variable, existing in different sedimentary (i.e., terrigenous- or carbonate-dominant) and geomorphic (i.e., delta, estuary, lagoon, open coast) environments. In addition, different anthropogenic factors affect their structure. Therefore, it is necessary to examine how the spatial variability of mangrove sedimentary and geomorphic settings affects global OC burial estimates.

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Factors influencing organic carbon accumulation in mangrove ecosystems

Background

Mangrove forest sediments can store a significant amount of organic carbon (900 Mg ha-1). Environmental and anthropogenic impacts, like storms or deforestation, can increase or decrease carbon accumulation rates within mangrove sediments and ecosystems. Therefore, it is important to understand how these impacts affect blue carbon ecosystems’ storage capacity.

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Getting the best of carbon bang for mangrove restoration buck

Background

Mangrove forest restoration projects have a range of benefits, like carbon sequestration, biodiversity conservation, and sustainable development, that are important for different stakeholders. An analysis of the economic benefits and returns of mangrove restoration at country-level scales can encourage future support from these key investors and decision makers.

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Drivers of global mangrove loss and gain in social-ecological systems

Background

The gain and loss of mangrove forests worldwide depends on both biophysical factors and socioeconomic factors. With global mangrove cover decreasing since the 1990s and biophysical pressures on mangrove forests (i.e., shoreline erosion, extreme weather events) increasing due to climate change, it is important to understand which forms of national conservation policies, programs, governance, and local economic activity most rapidly reverse the rate of loss of mangrove forests.

Open access copy available

Remote sensing-based mangrove blue carbon assessment in the Asia-Pacific: A systematic review

Background

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