2024-03-29T11:32:01Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/337292019-05-24T07:47:19Zhdl_2115_33214hdl_2115_14468hdl_2115_122地域的自然環境保全体系の構築を目指して : 生態学及び自然保護に関する人文・社会科学的考察Toward Construction of Regional Nature Conservation System. : Human and social scientific study of ecology and nature conservation1000050202891池田, 透Ikeda, Tohruopen access910北海道大學文學部The Faculty of Letters, Hokkaido University1998-12-25jpndepartmental bulletin paperVoRhttp://hdl.handle.net/2115/3372904376668AN00230471北海道大學文學部紀要The annual reports on cultural science473179209https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/33729/1/47%283%29_PL179-209.pdfapplication/pdf1.66 MB1998-12-25