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[文献書誌] Tsuchiya,A.,M.Hiraoka: "Forest biomass and wood consumption in the lower course of the Amazon:a case study of the Urubueua Island."Acata Amazonica. 29-1. 79-96 (1999)
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[文献書誌] 土谷彰男,伊澤紘生: "コロンビア国マカレナ地域の河畔林の樹種特性"広島大学総合科学部紀要. 24. 117-124 (1999)
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[文献書誌] 土谷彰男,石佐古早実: "樹幹横断面の試料の作製とその観察"生態環境研究. (印刷中).
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[文献書誌] Tsuchiya,A.,M.Hiraoka,C.R.da Silva: "Characterization and utilization of varzea and terra firme forests in the Amazon ersuary."Boletim do Museu Paraense Emilio Goeldi Serie Botanica. (印刷中).
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[文献書誌] Tsuchiya,A.その他4人: "An early process of vegetation succession of Amazonian terra firme forest."Caxiuana. (印刷中).