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All Journal Journal of Tropical Ethnobiology
Kuswata Kartawinata
Integrative Research Center, the Field Museum, Chicago, USA
Agriculture, Biological Sciences & Forestry

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Carbon Potentials in Biomass of Fruit Trees in Home Gardens in the Bogor Regency, West Java Dian Adijaya Susanto; Kuswata Kartawinata; Nisyawati
Journal of Tropical Ethnobiology Vol. 4 No. 2 (2021): July 2021
Publisher : The Ethnobiological Society of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46359/jte.v4i2.100

Abstract

A study using the point centered quarter method for trees and quadrats for saplings in homegardens of 41 hamlets within 40 districts in the Bogor Regency, West Java, revealed a rich diversity of fruit trees. Artocarpus heterophyllus, Nephelium lappaceum, Mangifera indica, and Durio zibethinus were the dominant and widely distributed fruit tree species. Above ground biomass of trees and saplings were calculated using allometric equations and the C (carbon) stocks were estimated by assuming that C constitutes 50% of biomass. The total biomass of trees with diameter at breast height ≥ 10 cm amounted to 1,081.7 tons, varied between hamlets from 10.1 to 66.7 tons/ha and the mean per hamlet of 26.4 ± 9.9 ton/ha, while that of saplings with diameter of 2 to 9.9 cm recorded to be 390.4 tons with a range between hamlets of 3.9 to 12.9 tons/ha and the mean per hamlet of 9.5 ± 3.7 tons/ha. The total aboveground C stocks was 540.9 tons for trees with a range between hamlets of 5.1 to 33.4 tons/ha and the mean per hamlet of 13.2 ± 4.9 tons/ha, while that of saplings was 195.2 tons with a range between hamlets of 0.7 to 9.4 tons/ha and the mean per hamlet of 4.9 ± 1.8 tons/ha. The main fruit trees with highest carbon sequestration capacity were Artocarpus heterophyllus, Mangifera indica, Mangifera foetida, and Sandoricum koetjape.
Tree Diversity in Home Gardens in the Bogor Regency, West Java Dian A. Susanto; Kuswata Kartawinata; Nisyawati
Journal of Tropical Ethnobiology Vol. 5 No. 2 (2022): July 2022
Publisher : The Ethnobiological Society of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46359/jte.v5i2.159

Abstract

We used the point-centered quarter method for trees and quadrats for saplings in home gardens of 42 hamlets within 40 districts in the Bogor Regency, West Java, to investigate the floristic composition and structure of home garden tree communities. We found a diverse range of fruit trees. A total of 64 fruit tree species were identified accounting for 93.2% of all tree species. Artocarpus heterophyllus and Nephelium lappaceum were the two species with the highest importance value, frequency, and degree of association. The Artocarpus heterophyllus–Nephelium lappaceum association or in the local names Nangka– Rambutan association is justified based on these species’ characteristics. The distributional patterns of tree species support categorizing them into six groups: very common, common, rather common, rather rare, rare, and very rare. Annona squamosa, Phyllanthus acidus, Syzygium polyanthum, Glochidion borneense, Mangifera foetida, and Diospyros philippensis were the fruit tree species that made up the extremely rare group. Nephelium lappaceum, Artocarpus heterophyllus, and Lansium domesticum, had the highest importance value (40%) at the tree level, whereas Punica granatum, Annona muricata, and Averrhoa bilimbi at the sapling stage. Species diversity indices for trees and saplings in the sampled home gardens fell into the H' = 1 to 3 categories, while similarity indices among the home gardens species composition were quite low (IS 64%). The fruit tree species had a low ability to regenerate.
Co-Authors Dian A. Susanto Dian Adijaya Susanto Nisyawati Nisyawati