Dynamics of ecosystem carbon stock in different age stands of planted mangrove forests in Peninsular Malaysia / Tan Junheng

Tan , Junheng (2023) Dynamics of ecosystem carbon stock in different age stands of planted mangrove forests in Peninsular Malaysia / Tan Junheng. Masters thesis, Universiti Malaya.

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Abstract

Mangrove forests are important carbon sink. They are popularly known today as coastal blue carbon ecosystem together with seagrass beds and salt marshes. The carbon stored in the forest help to mitigate climate change. The aim of the study is to assess the total ecosystem carbon stocks (TEC) in different aged (5, 9, 16, 21 and Intact) at planted mangrove forests. The study was conducted in Nibong Tebal and Juru, Penang as there are mangrove plantation projects which have recorded age. In order to determine whether that the age of the mangrove plantation have an influence on the ecosystem carbon stock, the vegetative biomass (aboveground biomass and belowground biomass), dead and down wood, litter and soil samples were examined for their biomass and carbon stocks. Diversity indices, CO2e and carbon market value were also assessed in this study. The 21-year-old plantation has the highest yield of TEC which is 786.49 Mg C ha-1. Results showed that the TEC of the mangrove forest increases with age (P<0.05). Species diversity for this experiment was also taken for this study. However due to lack of mangrove tree species in the sample areas, we have determined that species diversity does not affect the TEC rather the IVI influences the TEC(P<0.005). To highlight the importance of mangrove plantations, the estimated economic value of carbon stocks was applied for this study. This shows that the mangrove plantations are important for the carbon market as the forest ages which helps to store more carbon.

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