秦岭生态[10P]
<font size="3"></font><font size="3">秦岭分水岭</font>
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<font face="arial "><font size="3">秦岭不仅仅是一座山脉，更是承载着漫长历史的见证者。其形成始于4亿年前的古生代，经历了漫长的发展过程，见证了人类6000多年的活动轨迹。</font></font>
<font face="arial "><font size="3">自古至今，秦岭一直是地理分界的代表，将中国地域一分为二，形成了黄土高原南缘、长江与黄河水系的分界线，亚热带与暖温带的过渡带，以及不同农作物种植的分界线。</font></font>
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<font face="arial "><font size="3">这座山脉的重要性不仅体现在地理上，更体现在其对水资源的贡献上。长江、黄河两大水系的分水岭正位于秦岭之间，秦岭南麓的嘉陵江、汉江是长江的重要支流，为长江提供了丰富的水源；而位于北麓的渭河则是黄河的主要支流之一。</font></font>
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