<abstract xmlns="http://www.w3.org/1999/xhtml">

This research was conducted to determine plant biomass, carbon potential, and CO2 reserve potential in understory vegetation in general, namely grasslands, shrubs, and rainfed rice fields. The sampling of the research was carried out randomly and intentionally, and was limited to the vegetation of reeds, shrubs and rainfed land bushes in the Aceh Besar District of Indonesia. The sample was taken based on a digitized map obtained from overlaying the land use map, slope map, soil type map, and Aceh Besar government map. Measurement of biomass in the vegetation of Imperata, shrubs, and rainfed rice fields is in accordance with procedures from the <xref ref-type="bibr" rid="j_oszn-2022-0006_ref_014">Indonesian National Standard (2011)</xref> and the World Agroforestry Center. The area of bush vegetation is larger than that of rainfed rice fields and grasslands. In general, the plants found in bush vegetation are <italic>Acacia leucoeplhoea</italic>, <italic>Mimosa pudica</italic>, <italic>Cyperus rotundus,</italic> and <italic>Eleusine indica</italic>. Grassland vegetation has one plant only, namely, <italic>Pennisetum purpureum</italic>. The vegetation of rainfed rice fields consists of the <italic>Oryza sativa</italic> type of plant. Plant biomass, carbon [C] content, and carbon potential in bush vegetation are greater than that of grassland and rainfed rice fields, as well as plant biomass reserves, plant biomass carbon and total CO2 reserves. Shrubs and woody plants render the potential for biomass, carbon, and CO2 absorption greater than that of grassland and rainfed rice fields. This is in accordance with the research that the increase in biomass is followed by an increase in potential carbon storage. Parameters that affect biomass indirectly will also affect carbon storage in a biomass and in an ecosystem, namely, individual density, stem diameter, tree species diversity, and soil. The density of trees in an area will affect the increase in carbon stocks through an increase in biomass. This is because the vegetation of shrubs does not only consist of undergrowth, but also of woody stems such as <italic>Acacia leucoeploea,</italic> making carbon stock potential in bush vegetation greater than that of grassland and rainfed rice fields, as shrubs cover an area of 96,962.2 ha, hence larger than that of grasslands and rainfed rice fields.
</abstract>

This research was conducted to determine plant biomass, carbon potential, and CO2 reserve potential in understory vegetation in general, namely grasslands, shrubs, and rainfed rice fields. The sampling of the research was carried out randomly and intentionally, and was limited to the vegetation of reeds, shrubs and rainfed land bushes in the Aceh Besar District of Indonesia. The sample was taken based on a digitized map obtained from overlaying the land use map, slope map, soil type map, and Aceh Besar government map. Measurement of biomass in the vegetation of Imperata, shrubs, and rainfed rice fields is in accordance with procedures from the Indonesian National Standard (2011) and the World Agroforestry Center. The area of bush vegetation is larger than that of rainfed rice fields and grasslands. In general, the plants found in bush vegetation are Acacia leucoeplhoea, Mimosa pudica, Cyperus rotundus, and Eleusine indica. Grassland vegetation has one plant only, namely, Pennisetum purpureum. The vegetation of rainfed rice fields consists of the Oryza sativa type of plant. Plant biomass, carbon [C] content, and carbon potential in bush vegetation are greater than that of grassland and rainfed rice fields, as well as plant biomass reserves, plant biomass carbon and total CO2 reserves. Shrubs and woody plants render the potential for biomass, carbon, and CO2 absorption greater than that of grassland and rainfed rice fields. This is in accordance with the research that the increase in biomass is followed by an increase in potential carbon storage. Parameters that affect biomass indirectly will also affect carbon storage in a biomass and in an ecosystem, namely, individual density, stem diameter, tree species diversity, and soil. The density of trees in an area will affect the increase in carbon stocks through an increase in biomass. This is because the vegetation of shrubs does not only consist of undergrowth, but also of woody stems such as Acacia leucoeploea, making carbon stock potential in bush vegetation greater than that of grassland and rainfed rice fields, as shrubs cover an area of 96,962.2 ha, hence larger than that of grasslands and rainfed rice fields.

Analysis Distribution of Biomass Carbon of Grasslands, Shrubs, and Rainfed Rice Fields on Dry Land in the Aceh Besar District Indonesia

Soil Science Department, Faculty of Agricultural Science

Agrotechnology Department of Universitas Syiah Kuala

Department of Livestock Product Technology

Environmental Protection and Natural Resources

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This research was conducted to determine plant biomass, carbon potential, and CO2 reserve potential in understory vegetation in general, namely grasslands,...

No.	Land Utility Type	CO₂ absorption potential	Area	Total CO₂ absorption
No.	Land Utility Type	(ton.ha⁻¹)	(ha)	(Gg/LUT)
1.	Grassland	109.03	80.50	8,876.14
2.	Shrubs	176.92	96,962.2	17,154.55
3.	Rainfed Rice Fields	34.44	4,478.57	154.44

No.	Land Utility Type	Carbon Potential	Area	Total Carbon
No.	Land Utility Type	(ton.ha⁻¹)	(ha)	(Gg/LUT)
1.	Grassland	15.1571	80.50	1.22
2.	Shrubs	24.50	96,962.2	2,375.37
3.	Rainfed Rice Field	4.79	4,487.57	21.43

No.	Land Utility Type	Potential Biomass	Area	Total Biomass
No.	Land Utility Type	(ton ha⁻¹)	(ha)	(Gg/LUT)
1.	Grassland	29.71	80.50	2.39
2.	Shrubs	48.21	96,962.2	4,674.39
3.	Rainfed Rice Field	9.38	4,487.57	42.02

No.	Type/group of trees	Estimated Tree Biomass (kg/tree)	Reference source
1	Branched tree	BK = 0.11* ρ * D^2.62	Ketterings (2001)
2	Unbranched tree	BK = πρ H * D²/40	Hairiah et al. (1999)
3	Pruned coffee tree	BK = 0.281 * D^2.06	Arifin (2001)
4	Banana	BK = 0.030 * D^2.13	Arifin (2001)
5	Bamboo	BK = 0.131 * D^2.28	Priyadarsini (1999)
6	Chinese Albizia	BK = 0.0272 * D^2.831	Sugiharto (2002)
7	Pine	BK = 0.0417 * D^2.6576	Waterloo (1995)

Analysis Distribution of Biomass Carbon of Grasslands, Shrubs, and Rainfed Rice Fields on Dry Land in the Aceh Besar District Indonesia

Publicado en línea: 30 jun 2022

Páginas: 29 - 35

DOI: https://doi.org/10.2478/oszn-2022-0006

Palabras clave
biomass carbon, grasslands, shrubs, rainfed rice fields, dry land

© 2022 H A Umar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Potential carbon dioxide absorption on grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District

Biomass carbon and total carbon potential of grasslands, shrubs and rainfed rice fields on dry land in the Aceh Besar District

Potential and total biomass of grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District

Estimation of tree biomass using allometric equations

Analysis Distribution of Biomass Carbon of Grasslands, Shrubs, and Rainfed Rice Fields on Dry Land in the Aceh Besar District Indonesia

Publicado en línea: 30 jun 2022

Páginas: 29 - 35

DOI: https://doi.org/10.2478/oszn-2022-0006

Palabras clavebiomass carbon, grasslands, shrubs, rainfed rice fields, dry land

© 2022 H A Umar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Potential carbon dioxide absorption on grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District

Biomass carbon and total carbon potential of grasslands, shrubs and rainfed rice fields on dry land in the Aceh Besar District

Potential and total biomass of grasslands, shrubs, and rainfed rice fields on dry land in the Aceh Besar District

Estimation of tree biomass using allometric equations

Palabras clave
biomass carbon, grasslands, shrubs, rainfed rice fields, dry land