How to say "ecology" in Japanese

• 生態せいたいCommon
  nounCovers 'ecology' in the concrete sense of an organism's life and habits — how a species lives in the wild. Typical of nature documentaries and wildlife writing; the academic discipline is 生態学.
  第だい二にが周辺しゅうへん環境かんきょうとの親和性しんわせいであり、最小さいしょうの廃棄物はいきぶつ、自然しぜんエネルギーの利用りよう等とう、周辺しゅうへんの生態せいたいと調和ちょうわした住空間じゅうくうかんを形成けいせいすることである。↗

  The second is the affinity with environment. By utilizing natural energy and reducing wastes, we have to make houses which harmonize with ecology.
• エコロジーCommon
  nounThe loanword. In practice it leans toward the environmental sense — green lifestyles, eco-friendly products, ecological awareness — while for the academic science the term to use is 生態学.
• 生態学せいたいがくCommon
  nounEcology as an academic subject: the scientific study of how organisms interact with one another and their environment. The word for university courses, textbooks and researchers; the 学 means 'study'.
  世界せかいの熱帯雨林ねったいうりんは、この惑星わくせい上じょうの生命せいめいが形成けいせいする生態学せいたいがく的てきな連鎖れんさの中なかで、かけがえのない環かんをなしているのである。↗

  The world's tropical rainforests are critical links in the ecological chain of life on the planet.

Use 生態 for the life and habits of animals and other organisms, 生態学 for ecology as an academic science, and 「エコロジー」 for the environmental, eco-friendly sense of the word.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 生態せいたいecology
• エコロジーecology
• 生態学せいたいがくecology
• 生態環境せいたいかんきょうecology