First assessment of the blue carbon storage of <i>Rhizophora</i> and <i>Bruguiera</i> mangrove stands on the island of Mauritius (western Indian Ocean)

Raghbor, Phanesh; Seeruttun, Linisha Devi; Appadoo, Chandani

doi:10.2989/20702620.2022.2037399

Cited by 4 publications

(2 citation statements)

References 30 publications

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“…−1(Donato et al 2011, Ezcurra et al 2016, Kusumaningtyas et al 2019, Raghbor et al 2022. The carbon sequestration capacity of Magyi mangrove forest is similar to that of other mangroves forests in the world.…”

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confidence: 58%

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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confidence: 58%

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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“…Hence, the selective herbivory of certain species would diminish overall diversity and structural integrity in the long run in mangrove ecosystems. The dominance of a single species promoted by herbivory can lead to a drastic decline in the ecosystem services of mangrove forests such as carbon stock storage potential, and breeding and nursery ground for certain associated faunal species (Sarker et al, 2019).Mangroves store about 937 tons C ha -1 (Alongi, 2012) in general with the presence of species like Rhizophora spp., Bruguiera spp., and Avicennia marina; while Ceriops tagal dominant forests store less carbon stock (Komiyama et al, 2000;Raghbor et al, 2022). Therefore, the potential loss of carbon stocks may underachieve the potential for carbon sequestration in the mangroves of South Andaman (Hamilton & Friess, 2018;Alongi, 2020).…”

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confidence: 99%

Impacts of invasive spotted deer (Axis axis) herbivory on mangrove vegetation in South Andaman Island, India

Thirumurugan,

Singh,

Karattuthodi

et al. 2024

JWLS

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The invasion of spotted deer (Axis axis) in the Andaman Islands, India, is a serious concern for the native flora and fauna of this insular ecosystem. We assessed how invasive spotted deer herbivory is affecting the regeneration and vegetation composition in the mangrove forest of the South Andaman Islands by comparing sites with and without herbivory pressure. Vegetation data was collected across 18 sites (ten sites with herbivory in the Mahatma Gandhi Marine National Park, and eight sites without herbivory (control) in South Andaman). We used circular plots (7m radius) along linear transects for data collection (125 plots each for herbivory site and control site). The results highlighted a strong influence of herbivory on mangrove vegetation and the impacts varied across the three mangrove zones (landward, ecotone, and seaward). Control sites consistently exhibited higher species richness and abundance across all categories (tree, sapling, and seedling) except for seedling abundance. Herbivory disturbance varied significantly along the three zones, (p < 0.05) with the landward zone being the most affected, followed by ecotone to seaward zones. Invasive spotted deer herbivory altered the vegetation structure and recruitment, especially in landward mangroves, leading to shifts in mangrove distribution and the emergence of the least palatable Ceriops tagal as the dominant species. Management and policy-level interventions are an immediate requirement for the removal of invasive spotted deer in the Andaman Islands for conserving mangroves and marine natural resources unique to the island ecosystem.Invasive species significantly threaten local biodiversity, disrupt ecological functions, and outcompete native species (Mooney & Hobbs, 2000;Courchamp et al., 2003;Beltran et al., 2014). This negative interplay could lead to cascading impacts such as habitat loss, soil erosion, nutrient loss, reduced recruitment opportunity, and degradation of the whole ecosystem (Simberloff, 2011;Beltran et al., 2014;Russell et al., 2017). Particularly, the introduction of invasive herbivores can lead to changes in vegetation composition and a decline in species richness in the long term (Coomes et al., 2003;Webster et al., 2005). For instance, the invasive ungulate (Sus scrofa Linnaeus, 1758) introduced in the Great Smoky Mountains National Park, USA, altered the native vegetation through predation, habitat damage, competition, and disease transmission (Webster et al., 2005;McClure et al., 2018). The impact of invasive herbivory species on the island ecosystem is especially detrimental as most of the island species have evolved without intense competition due to herbivory and predation (

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Monitoring mangrove-based blue carbon ecosystems using UAVs: a review

Abu Bakar,

Wan Mohd Jaafar,

Abdul Maulud

et al. 2024

Geocarto International

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First assessment of the blue carbon storage of Rhizophora and Bruguiera mangrove stands on the island of Mauritius (western Indian Ocean)

Cited by 4 publications

References 30 publications

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

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

Impacts of invasive spotted deer (Axis axis) herbivory on mangrove vegetation in South Andaman Island, India

Monitoring mangrove-based blue carbon ecosystems using UAVs: a review

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