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首页> 外文期刊>Ambio: A Journal of the Human Environment >The Contribution of Ironstone Outcrops to Plant Diversity in the Iron Quadrangle, a Threatened Brazilian Landscape
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The Contribution of Ironstone Outcrops to Plant Diversity in the Iron Quadrangle, a Threatened Brazilian Landscape

机译：铁石露头对受威胁的巴西风景铁四边形中植物多样性的贡献

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摘要

Due to the contribution of a hitherto neglected ecosystem, one of the richest mineral provinces in the world, at the heart of a center of floristic diversity, may prove much more diverse and vulnerable than the current figures show.The Iron Quadrangle (local name Quadrilatero Ferrifero), located in southeast Brazil, covers an area of approximately 7200 km~2 and represents one of the most important and well-studied geological sites on the planet. It is contained entirely within the wealthy state of Minas Gerais, the area of which is approximately 587 000 km~2, larger than France. The Portuguese name, "general mines," attests to the historical ties of this state with the mining industry since colonial times. Constituted by very old-Archean and Paleoprotero-zoic-terrains, the Iron Quadrangle landscape is presently a mosaic at the ecotone of two Brazilian hotspots, Cerrado and Atlantic Forest, which have been profoundly transformed by human activities, namely urbanization and mining.
机译：由于迄今被忽视的生态系统的贡献，位于植物多样性中心的世界上最富矿产的省份之一可能比目前的数据更加多样化和脆弱。 Ferrifero）位于巴西东南部，面积约7200 km〜2，是地球上最重要，研究最深入的地质地点之一。它完全被包含在富裕的米纳斯吉拉斯州（Minas Gerais）内，其面积约为587 000 km〜2，比法国还大。葡萄牙的名字“通用矿山”证明了自殖民时期以来该州与采矿业的历史联系。铁四边形景观由非常古老的Archean和Paleoprotero-zoic地形组成，目前是两个巴西热点Cerrado和Atlantic Forest交界处的马赛克，这两个城市因人类活动（即城市化和采矿）而发生了深刻的变化。

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