The ecological and economic values of a 50 years old secondary forest in East Kalimantan, Indonesia
##plugins.themes.bootstrap3.article.main##
Abstract
Abstract. Karmini, Karyati, Widiati KY. 2021. The ecological and economic values of a 50 years old secondary forest in East Kalimantan, Indonesia. Biodiversitas 22: 4597-4607. Secondary forests in the tropics are often ignored since they are assumed to have low ecological functions while on the other hand the economic values have been reduced. This study aimed to analyze the ecological and economic values of a 50-year secondary forest in East Kalimantan that experienced several various land-use changes. The ecological aspects analyzed were stand structure, floristic composition, and species diversity. Economic aspects include log prices, logging costs, profit margins, and stumpage values. A vegetation survey of woody trees with a diameter at breast height of more than 5 cm was carried out on ten plots measuring 20 m × 20 m each. A total of 437 trees belonging to 38 species, 30 genera, and 19 families were recorded with Moraceae and Euphorbiaceae were the most dominant families with Family Important Value (FIV) of 86.79. The three most dominant species were Macaranga motleyana (IVi of 50.95), Artocarpus elasticus (IVi of 34.41), and Symplocos fasciculata (IVi of 31.46). The trees in the study plot have a diversity index of 1.33, dominance index of 0.07, evenness index of 0.37, and species richness of 6.09. The average logging cost, logs price, lumber price, profit margin, and stumpage value at secondary forest were USD69.43 m-3, USD44.63 m-3, USD100.03 m-3, USD10.30 m-3, and USD28.73 ha-1, respectively. The 50 years old secondary forests in East Kalimantan have biodiversity, especially trees that have economic value, therefore their existence needs to be preserved and their use is carried out by maintaining and increasing biodiversity.
##plugins.themes.bootstrap3.article.details##
Most read articles by the same author(s)
- SRI SARMINAH, KARYATI KARYATI, KARMINI KARMINI, JHONATAN SIMBOLON, ERIKSON TAMBUNAN, Rehabilitation and soil conservation of degraded land using sengon (Falcataria moluccana) and peanut (Arachis hypogaea) agroforestry system , Biodiversitas Journal of Biological Diversity: Vol. 19 No. 1 (2018)
- KARYATI KARYATI, ISA B. IPOR, ISMAIL JUSOH, MOHD. EFFENDI WASLI, The diameter increment of selected tree species in a secondary tropical forest in Sarawak, Malaysia , Biodiversitas Journal of Biological Diversity: Vol. 18 No. 1 (2017)
- KARMINI KARMINI, SRI SARMINAH, KARYATI KARYATI, Economic analysis of groundnut (Arachis hypogaea) and soybean (Glycine max) as intercropping plants in two agroforestry systems , Biodiversitas Journal of Biological Diversity: Vol. 18 No. 2 (2017)
- KARYATI, ISA B. IPOR, ISMAIL JUSOH, MOHD. EFFENDI WASLI, Allometric equations to estimate the above-ground biomass of trees in the tropical secondary forests of different ages , Biodiversitas Journal of Biological Diversity: Vol. 20 No. 9 (2019)
- KARYATI, KUSNO YULI WIDIATI, KARMINI, RACHMAD MULYADI, The allometric relationships for estimating above-ground biomass and carbon stock in an abandoned traditional garden in East Kalimantan, Indonesia , Biodiversitas Journal of Biological Diversity: Vol. 22 No. 2 (2021)
- KARMINI KARMINI, KARYATI KARYATI, The various sources of household income of paddy farmers in East Kalimantan, Indonesia , Biodiversitas Journal of Biological Diversity: Vol. 19 No. 2 (2018)
- KARYATI KARYATI, ISA B. IPOR, ISMAIL JUSOH, MOHD. EFFENDI WASLI, Tree stand floristic dynamics in secondary forests of different ages in Sarawak, Malaysia , Biodiversitas Journal of Biological Diversity: Vol. 19 No. 3 (2018)
- KARYATI, SRI SARMINAH, Karmini, RUJEHAN, VEBI FITRIANA EKO LESTARI, WENDY SATRIA PANORAMA, Silvicultural, hydro-orological and economic aspects of a combination of vegetative (Falcataria moluccana-Vigna cylindrica) and terrace systems in soils of different slopes , Biodiversitas Journal of Biological Diversity: Vol. 20 No. 8 (2019)
- KARYATI, KUSNO YULI WIDIATI, KARMINI, RACHMAD MULYADI, Development of allometric relationships for estimate above ground biomass of trees in the tropical abandoned land , Biodiversitas Journal of Biological Diversity: Vol. 20 No. 12 (2019)