breeding area 意味

• （何かを育てる?繁殖させるのに）好適な場所［環境］、繁殖地、飼育場、培養地、（悪いものが）繁殖する場所［環境］、温床
  Afghanistan is the perfect breeding ground [place, area] for Islamic radicals.
  Flood water is a prime breeding ground [place, area] for disease.
  Japan's electoral system i+もっと...s widely said to be a breeding ground [place, area] for bribery.
  

• breeding:    breeding n. 繁殖; 育ち; 《文語》 教養.【動詞＋】◆Hogs commence breeding when they are from nine to twelve months old. 豚は生まれて 9 か月から 12 か月になると子を産みはじめる◆He received his breeding for the boards. 役者になるように育てられた◆show goo
• (breeding) bull:    (breeding) bull種牛たねうし
• (plant) breeding:    (plant) breeding育種いくしゅ

例文

The temple grounds are designated a national historic landmark , as well as a natural monument in the form of the " mt . hiei bird breeding area ."
なお、境内は国の史跡に指定され、「比叡山鳥類繁殖地」として天然記念物に指定されている。

4 . buildings and structures (such as shell mounds , ancient tombs , citadel-type castle sites , castle sites and old residences ) which are highly valued in our nation , either historically or academically; landscapes (such as gardens , bridges , canyons , coasts , mountains and other places of scenic beauty ) that are highly valued in our nation for their artistic or visual merit; animals (including their habitats , their breeding areas , and their stopovers ), plants (including their habitats ), and geological minerals (including the landscapes produced by natural phenomena ) that are highly valued academically in our nation (such natural features being hereinafter referred to as ' monuments ' )
四　貝づか、古墳、都城跡、城跡、旧宅その他の遺跡で我が国にとつて歴史上又は学術上価値の高いもの、庭園、橋梁、峡谷、海浜、山岳その他の名勝地で我が国にとつて芸術上又は観賞上価値の高いもの並びに動物（生息地、繁殖地及び渡来地を含む。）、植物（自生地を含む。）及び地質鉱物（特異な自然の現象の生じている土地を含む。）で我が国にとつて学術上価値の高いもの（以下「記念物」という。)