Tree Biomass of Planted Forests in the Tropical Dry Climatic Zone: Values in the Tropical Dry Climatic Zones of the Union of Myanmar and the Eastern Part of Sumba Island in the Republic of Indonesia

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概要

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• We measured the values for biomass and mean annual biomass increment (MAI) of planted forests in two parts of the Tropical Dry climatic zone (mean annual precipitation [MAP] < 1,000 mm) and in one site adjacent to one of the two parts and outside the Tropical Dry climatic zone to provide a comparison value for wet forests in the same region. MAI values of four planted forests averaged 2.60 (± 1.61 SD) Mg ha<SUP>-1</SUP> y<SUP>-1</SUP> at a MAP of 637 mm in the central dry zone of Myanmar. The MAI of exotic fast-growing tree species (<I>Eucalyptus camaldulensis </I>Dehn.) did not differ significantly from those of three native non-fast-growing tree species in the central dry zone of Myanmar. MAI values appeared to be lower on land with a high gravel content in the soil or with a higher degree of erosion. In the eastern part of Sumba Island in Indonesia, MAI of planted <I>Tectona grandis </I>L. forest equaled 3.76 Mg ha<SUP>-1</SUP> y<SUP>-1</SUP> at a MAP of 500 mm and 4.49 Mg ha<SUP>-1</SUP> y<SUP>-1</SUP> at a MAP of 1,500 mm. A <I>Leucaena leucocephala </I>de Wit stand produced a higher MAI (9.62 Mg ha<SUP>-1</SUP> y<SUP>-1</SUP>) at a MAP of 500 mm. The MAI values for fast-growing tree species that we measured or collected in the Tropical Dry climatic zone were less than 20% of those recorded in the Tropical Moist and Tropical Wet climatic zones and about one-third the value for forests of non-fast-growing tree species. Accordingly, fast-growing tree species may not be capable of achieving their fast growth rates under the Tropical Dry climate. This information will be useful in developing land-use programs based on plantation forestry in dry forest areas.

• 独立行政法人　国際農林水産業研究センターの論文

著者

• RACHMAN Ismail

  Indonesian Institute of Science, Research Center for Biology

• KIYONO Yoshiyuki

  Bureau of Climate Change, Forestry and Forest Products Research Institute

• OO Min

  Forest Research Institute, Forest Department, Ministry of Forestry

• OOSUMI Yasuo

  Japan International Forestry Promotion and Cooperation Center (JIFPRO)

関連論文

• Tree Biomass of Planted Forests in the Tropical Dry Climatic Zone: Values in the Tropical Dry Climatic Zones of the Union of Myanmar and the Eastern Part of Sumba Island in the Republic of Indonesia
• Carbon Stock Estimation by Forest Measurement Contributing to Sustainable Forest Management in Cambodia

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