Abstract:
The development of global warming is one of the main causes of climate change. The increase
in greenhouse gasses causes global warming which affects the earth's ecosystem. The imbalance of CO2
concentration in the atmosphere with the availability of vegetation is also one of the causes of climate
change. Loksado District, which is located around the Meratus Mountains, with the majority of its people
being the Meratus Dayak Tribe, still applies local wisdom owned by the local community by farming using
a rotational system. This has resulted in the existence of former community cultivation lands which are
divided into balukar anum, jurungan, and mixed gardens. The ability to store carbon is different for each
land due to the variation in the types of vegetation that make up each land use. Therefore, this study was
conducted to analyze and calculate the potential for carbon storage in each ex-cultivated area. Calculation
of tree biomass during the research analysis used the allometric formula for estimating carbon content in
natural forests. The percentage of carbon stored in a tree species in natural forest stands can be estimated
at 47% of the total biomass. The mixed garden area had more species found than the other two areas.
The highest average diameter and base area in the ex-cultivated area for the pole level are in the mixed
garden area in Haratai Village, while the lowest value is in the Balukar anum area in Haratai Village. From
the total biomass per hectare for each ex-cultivated area it can be seen that the biomass is greater at the
tree level than at the pole level. The highest carbon estimate is in the mixed garden area in Lok Lahung
Village, which is 61,097 tons/ha. Meanwhile, the lowest estimated carbon value is found in the anum
balukar area in Haratai Village, which is 1,045 tons/ha.
KEY WORDS: Biomass, carbon, balukar anum, jurungan, mixed gardens.
