Carbon storage potential of tropical wetland forests of South Asia: a case study from Bhitarkanika Wildlife Sanctuary, India

Bal, Gobinda; Banerjee, Kakoli

doi:10.1007/s10661-019-7690-y

Cited by 17 publications

(2 citation statements)

References 37 publications

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“…Saltmarsh ecosystems of India are also missing in any of the climate change mitigation plans (Koshy et al, 2018;Ramesh et al, 2018;Stankovic et al, 2023), whereas mangroves are considered as the sole NbS towards climate change mitigation. Recent studies have showcased that both saltmarsh and seagrass ecosystem of India have significant capacity to store carbon in their ecosystems (Bal and Banerjee, 2019;Banerjee et al, 2022;Mishra et al, 2023;Stankovic et al, 2023)and combined with mangroves they can help in achieving India's NDCs. However, this study showcases the importance of mono-specific saltmarsh meadows that inhabits the lower intertidal zone, whereas there are other saltmarsh species that inhabits the high tide zone (Gopi et al, 2019;Farooq, 2022b, 2022a;Viswanathan et al, 2020) and have significant carbon storage capacity and also are associated with mangroves along the coast of India.…”

Section: P Coarctata Ecosystem Carbon Stocks and Their Role In India'...mentioning

confidence: 99%

“…However, due to various human induced habitat disturbances related to marine food provisioning (such as aquaculture and grazing), coastal developmental activities (port development, mangrove plantation, tourism activities) and climate change (such as sea level rise and temperature change effects) impacts, these ecosystems are getting lost at alarming rates (0.28% yr -1 ) in the last decade (Campbell et al, 2022a), leading to loss of ecosystem services (such as blue carbon) and biodiversity assemblages (Campbell et al, 2022b;Mason et al, 2023a;Mishra and Farooq, 2022a;Perera et al, 2022). Despite saltmarsh ecosystems being ecologically important in climate change mitigation, there is a significant lack of studies on assessing their carbon storage potential in the Indian subcontinent (Bal and Banerjee, 2019;Mishra and Farooq, 2022a;Stankovic et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

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Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India

Mishra,

Dey,

Mishra

et al. 2024

Preprint

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Despite saltmarshes being considered as nature-based solutions (NbS) towards climate change mitigation, India’s saltmarsh ecosystems are least studied. This study quantifies the seasonal variation in carbon stocks mono-specific saltmarsh species (Porteresia coarctata) and its potential to play an important role in India’s climate change mitigation plans. Seasonal (pre-and post-monsoon) sampling of P. coarctata surface water, biomass and 30 cm sediment core was collected across four locations on the east coast of India to quantify sediment dry bulk density (DBD), organic matter (OM%), organic carbon (Corg%), Corg stocks of sediment and biomass, total carbon (C%) and nitrogen (N%) and stable isotopes of δ13C and δ15N. In general, the sediment DBD, OM and Corg of P. coarctata meadows was higher in post-monsoon and was influenced by salinity and pH changes. Isotope (δ13C) modelling of various sediment C sources suggested, particulate organic matter (POM) contribution was highest (0.04-0.79%) followed by P. coarctata (0.01–052%) and other macrophytes across our study locations. The seasonal variation of δ13C showed increased contribution of marine derived particulate and dissolved organic matter into P. coarctata meadows in post-monsoon season. Heavier δ15N values were observed in post-monsoon season suggesting anthropogenic input, that was utilized by P. coarctata to increase its above and below-ground biomass and shoot density. The combined ecosystem (30 cm sediment + biomass) Corg stocks of P. coarctata was 1.7-fold higher in post-monsoon (4021.20± 917 Mg C) compared to pre-monsoon (2297.36 ±647 Mg C) season among the four locations with a sediment Corg contribution >70%. Based on the International Panel for Climate Change Tier II assessment the P. coarctata meadows (443 ha) can help in avoiding the pre and post-monsoon emissions of 8431.34 and 14757.84 Mg CO2 respectively. The combined price of the total CO2 equivalent stored in P. coarctata meadows in pre- and post-monsoon is US$ 14.50 and US$ 25.38 million respectively. Further studies quantifying the NbS potential of P. coarctata mono-specific and mixed meadows of India’s coast is needed along with integration of saltmarsh ecosystems into India’s National Action Plan on Climate Change.

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Section: P Coarctata Ecosystem Carbon Stocks and Their Role In India'...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India

Mishra,

Dey,

Mishra

et al. 2024

Preprint

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Advances in terrestrial and ocean dynamics studies in India

Reddy

Khan

2019

Environ Monit Assess

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Biomass and vegetation carbon stock in mangrove forests of the Andaman Islands, India

et al. 2021

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The present study estimated plant biomass in mangrove forests of the Andaman Islands, India. The mean above-ground biomass was 469.20 ± 41.25 Mega-gram/ha (Mg ha -1 ), while the mean belowground biomass was 166.78 ± 12.79 Mg ha -1 . The total mean biomass of Andaman mangrove forest was 635.98 ± 12.79 Mg ha -1 and its corresponding vegetation carbon stock was 290.26 ± 24.75 Mg C ha -1. Among the 6 forest divisions, Little Andaman recorded the highest mean biomass per unit area (1,081.26 ± 424.67 Mg ha -1 ) and vegetation carbon stock (494.50 ± 194.56 Mg C ha -1 ) followed by Middle Andaman, North Andaman, Havelock, South Andaman and Baratang. Among the 25 mangrove species, Rhizophora apiculata was found to contribute the highest biomass (152.78 Mg ha -1 ) and vegetation carbon stock (69.58 Mg C ha -1 ) followed by Bruguiera gymnorhiza, and Rhizophora mucronata. High vegetation carbon stock in mangrove forests of the Andaman Island could be attributed to high structural complexity, high precipitation rate ([ 300 cm year -1 ), and comparatively fewer anthropogenic disturbances in the mangrove forest of the Andaman Islands. However, the Andaman Islands are increasingly vulnerable to natural calamities, like sealevel rise and associated soil erosion and increasing frequency of tropical cyclones, which call for immediate attention on preserving the island mangroves to sustain its extraordinary carbon storage capacity.

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Carbon storage potential of tropical wetland forests of South Asia: a case study from Bhitarkanika Wildlife Sanctuary, India

Cited by 17 publications

References 37 publications

Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India

Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India

Advances in terrestrial and ocean dynamics studies in India

Biomass and vegetation carbon stock in mangrove forests of the Andaman Islands, India

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