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How Does the blue c Stock Vary in Restored and Degraded Wetlands Across Land cover Mosaics? Evidences from Medinipur coastal Plain, India

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Journal of Resources and Ecology 2024年第4期15卷 898-908页

作者： Mansa DEY Mrinmoyee NASKAR Sohini NEOGY Debajit DATTA Landscape Ecology Laboratory Department of GeographyJadavpur UniversityKolkata 700032India Department of Geography Baruipur CollegeBaruipur 743610India Department of Geography Banwarilal Bhalotia CollegeAsansol 713303India

coastal wetlands are of paramount importance as major reservoirs of blue carbon(c),playing a crucial role in providing nature-based solutions to mitigate climatic *** research aimed to analyse the dynamics of total blue c(TBc)and its components;*** organic c(SOc),below ground c,and above ground c;as well how they are influenced by land use/land cover(LULc)categories and wetland ***,study were identified as one restored wetland and another degraded wetland in the Medinipur coastal Plain,*** LULc categories were analyzed using Pleiades 1A and 1B satellite imagery,corresponding to the restored and degraded wetland,*** quantification of SOc was based on point-specific sample data collected from both wetlands(nr=250;nd=84).Above ground biomass(AGB)was appraised employing allometric relationships involving field-measured dendrometric *** ground biomass values were calculated using indirect allometric equations that take into account the AGB *** all the components,TBc stock of the restored and degraded wetlands were estimated at 246710.91 Mg and 7865.49 Mg,*** the restored wetland,dense mangrove and open mangrove exhibited higher concentrations of blue c components,while other LULc categories demonstrated moderate to low *** the degraded wetland,the open mangrove category rechigh densities of c pools,whereas herbaceous vegetation,bare earth and sand,and waterbody exhibited lower *** results portrayed significant disparities(Pblue c pools among different LULc categories in both ***,it was evident that wetland type and LULc category had notable(Pcts on TBc dynamics,both individually and in ***,this research may aid in effective management of coastal wetlands as blue c sinks,emphasizing their significance as essential elements of climate mitigation strategies.

关键词： blue c pools coastal wetland dendrometric variable landscape transformation mangrove plantation wetland restoration

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