Ecological production
2019年10月14日 (月) 07:29時点におけるChubo (トーク | 投稿記録)による版 (→Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998))
ecological production (production, ecological)
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Definition
Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)
- production, ecological: The amount of increase in organic matter, usually measured per unit area of land surface or unit volume of water, as in grams per square meter (g/m2). Production is divided into primary (that of autotrophs) and secondary (that of heterotrophs). It is also divided into net (that which remains stored after use) and gross (that added before any use).