* + Sirin Tiyanon*, +330 Forest ecology and management 33 JICA -,., ++

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1 * + Sirin Tiyanon*, + +* +330 Forest ecology and management 33 JICA -,., ++ Koichi Kamo and Sirin Tiyanon : Tropical Tree Monoculture as a Facilitator for Indigenous Tree Species Regeneration Case Study in Northeastern Thailand * + *, No. 01,**0 25

2 JICA, +. +, +*+ /*,0./ +,*-* mm + / +* ++. Eucalyptus camaldulensis, Acacia mangium, Acacia auriculiformis Xylia xylocarpa var. kerrii, Dalbergia cochinchinensis, Pterocarpus macrocarpus +, X. kerrii, m, m, P. macrocarpus, m. m,, m - m /1/ m, - /1/ m, +0,+ -/ /3 ++.,3.* -..* D. cochinchinensis A. auriculiformis Xerospermum internedium, Melia azedarach, Hopea ferrea, Vitex pinnata, Shorea henryana S. henryana 26 No. 01,**0

3 A. aurculiformis,.0 +*./, *.0 +, / tha * tha + *./ 0 A. auriculiformis /.3 tha + *.0.., tha +, No. 01,**0 27

4 3. A. mangium A. auriculiformis Leucaena leucocephala +*.** m, --./,0.. -* cm +-* cm +-* cm../ cm -3 1* +3 /- -* cm -,- a +,, ,.,*.* a -* +. /.3 +*.- 1 Cratoxylum formosum, Shorea henryana, Millettia Leucantha, Pterocarpus macrocapus, Lagerstroemia macrocarpa, Vitex pinnatat Croton oblongifolius, Baccaurea sapida Nephelium hypoleucum A. mangium +.0 ha 20 -* 28 No. 01,**0

5 A. mangium A. auriculiformis + + Acacia mangium. - / A. mangium A. auriculiformis /./..* 3./ S. henryana -./ A. mangim A. auriculiformis S. henryana A. mangium A. auriculiformis A. mangium - A. auriculiformis, + / No. 01,**0 29

6 + Shorea henryana / + A. auriculiformis A. 30 No. 01,**0

7 mangium 1 E. camaldulensis A. mangium A. auriculiformis, +. A. mangium +.0 ha D. cochinchinensis, Xylia kerrii.2 cm cm +, -/ cm cm + A. mangium +2 cm cm +,.,/ cm cm + A. auriculiformis, A. mangiumu, Leucaena leucocephala A. auriculiformis A. mangium E. camaldulensis, - A. mangium E. camaldulensis A. auriculiformis A. mangium L. leucocephala No. 01,**0 31

8 Tectona grandis, 0 + Haggar, J. et al. (+331) The potential of plantations to foster woody regeneration within a deforested landscape in lowland Costa Rica. For. Ecol. Manage, 33, // 0.., Healey, S.P. and Gara, R.I. (,**-) The e#ect of a teak (Tectona grandis) plantation on the establishment of native species in an abandoned pasture in Costa Rica. For. Ecol. Manage, +10,.31 /*1. - Kamo, K. (+333) Ecological and silvicultural study on man-made and natural forests for developing sustainable forestry in Sakaerat, Thailand (,). A technical report of JICA.. Kamo, K. et al. (,**,) Plant species diversity in tropical planted forests and implication for restoration of forest ecosystems in Sakaerat, Northeastern Thailand. JARQ -0, / Kamo, K. and Jamalung, L. (,**/) Facilitating indigenous tree species establishment on degraded land in Sabah, Malaysian Borneo. Abstract of The Japan Society of Tropical Ecology +/ International symposium Ecol-human interactions in tropical forests, /,. 0 Kira, K. (+312) Community architecture and organic matter dynamics in tropical lowland rain forests of Southeast Asia with special reference to Pasoh forest, West Malaysia. In Tropical trees as living 32 No. 01,**0

9 systems (Edited by Tomlinson, P.B. and Zimmermann, M.H.). 1 Ogawa, H. et al. (+30/ a ) Comparative ecological studies on three main types of forest vegetation in Thailand. I. Structure and floristic composition. Nature and Life in Southeast Asia,., Ogawa, H. et al. (+30/ b ) Comparative ecological studies on three main types of forest vegetation in Thailand. II Plant biomass. Nature and Life in Southeast Asia,.,.3 2*. 3 Parrotta, J.A. et al. (+33/) Development of floristic diversity in +*-year-old restoration forests on a bauxite mined sites in Amazonia. For. Ecol. Manage, 33,,+.,. +* Parrotta, J.A. et al. (+331) Catalysing native forest regeneration on degraded tropical lands. Forest Ecology and Management, 33, Tiyanon, S. et al. (,**,) Natural regeneration and growth of some native species understory in man-made forest. Proceedings of the forestry conference,**,,.- 0* , PDF : ++, *** , -F : *- /023 -./* Fax : *- / * tokunori@jifpro.or.jp No. 01,**0 33