Upscaling Aboveground Biomass Estimation at Low-land Royal Belum Forest Reserve Using Unmanned Aerial Vehicle Image
Keywords:Upscaling, Aboveground biomass, Lowland Royal Belum Forest Reserve, Unmanned Aerial Vehicle
Lowland Â tropical Â rainforests have the largest Â aboveground Â biomass compared to other types of tropical Â rainforest. Furthermore, lowland tropical rainforests have a high density of trees and various types of vegetation Â species. Due to the limitation Â in Â measurement Â method Â that occursÂ in Â lowland Â tropical Â rainforest, the information Â regardingÂ aboveground Â biomass Â is Â very limited to small-scaled Â area Â compared with the existing Â method Â based Â on Â experimental Â plot tree census. Hence, this Â study Â suggested Â the upscaling method that enables the estimation of biomass for a larger area using a small size experimental plot. This study is conducted Â at Â Sungai Â Papan Â Royal Â Belum Â Forest Reserve, Perak with Â an Â area approximate Â to Â 22 Â hectares Â and based on Â the experimental plot of 100 Ã— 100 m. Eight vegetation indices obtained Â from UAV multispectral Â images Â and Â field data Â are Â used Â to Â determine the best upscaling equation. This study successfully determined that TAGB VS SR gives the highest correlation with = 0.7224, RMSE= 1.1700 and t-test= 15.647/100. The final output Â of Â this research Â study Â shows Â the Â upscaling Â map of Â aboveground Â biomass Â concentration Â at Â Sungai Papan, Royal Belum Forest Reserve
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