旧北区






旧北区の位置


旧北区（きゅうほっく、PalearcticまたはPalaearctic）は、生物地理区の一区分である。


東アジアの大部分（日本のトカラ列島悪石島以北、中国の秦嶺山脈以北、朝鮮半島 、台湾 ）、北アジアおよび中央アジア、中東（アラビア半島南部およびイラン南部は除く）、ヨーロッパを含むヒマラヤ山脈以北のユーラシア大陸および北アフリカ（サハラ砂漠以北）から成る広大なエリアである。面積は5410万 km2。


日本は、トカラ列島南部の悪石島と小宝島の間にある渡瀬線を境に、北が旧北区、南が東洋区に含まれる。


区内は、亜熱帯・温帯・亜寒帯・寒帯と多彩で、また四季の変化がはっきりしている。


旧北区の代表的な動物として、ラクダ、ヒツジ、ウマ、ノガン等がある。







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生物地理区

旧北区 - 東洋区 - エチオピア区 - オーストラリア区 - オセアニア区 - 新北区 - 新熱帯区 - 南極区







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