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ナビゲーションに移動検索に移動→Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.) by Botkin & Keller (1998)
== Definition ==
== Definition ==
===Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.) by [[Botkin_Keller_1998|Botkin & Keller (1998)]]===
===Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by [[Botkin_Keller_1998|Botkin & Keller (1998)]]===
*Reasons for preserving the beauty of nature and natural wilderness areas.
*Reasons for preserving the beauty of nature and natural wilderness areas.
