Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India DOI Open Access
Amrit Kumar Mishra, A. Dey,

Anjalis Mishra

et al.

Published: Feb. 12, 2024

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

Language: Английский

Mono-Specific Data Deficient Saltmarsh Species Has Climate Relevant Carbon Stocks From the East Coast of India DOI Open Access
Amrit Kumar Mishra, A. Dey,

Anjalis Mishra

et al.

Published: Feb. 12, 2024

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

Language: Английский

Citations

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