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Taxonomic research and the conservation status of flora in the Yilgarn Banded Iron Formation ranges

机译：Yilgarn带状铁矿区范围内的分类学研究和植物区系保护状况

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摘要

The Banded Iron Formation (BIF) ranges are small, ancient ranges scattered across the Yilgarn Craton in southern Western Australia. Increased exploration and mining of iron ore in Western Australia has resulted in a resurgence of botanical survey on and around the BIF ranges, including the discovery of at least 20 unnamed taxa, nine of which were new to science. Recent taxonomic work, published in this special edition of Nuytsia, has concentrated on naming 17 taxa with distributions centred on theseranges and a further 62 taxa of conservation significance in the southern half of Western Australia. Despite this increase in activity, the conservation status of the flora and vegetation remains poorly documented. Patterns in distribution of threatened,rare and poorly known taxa (Declared Rare Flora and Priority Flora) and patterns in endemism are examined on a subset of the 25 ranges most prospective for mining. Preliminary analysis of endemism supports the hypotheses that these ranges represent bothrefugial habitats of great antiquity and areas of recent speciation. Across Western Australia there are some 2,240 taxa under consideration for formal listing by the Department of Environment and Conservation as threatened; of these, 475 are yet to be formally named. This situation significantly impedes their conservation assessment.
机译：带状铁层（BIF）范围很小，古老的范围散布在澳大利亚西部南部的伊尔加恩克拉顿（Yilgarn Craton）上。西澳大利亚州铁矿石勘探和开采的增加导致BIF范围及其周围地区的植物学调查重新出现，包括发现至少20个未命名的分类单元，其中9个是科学新发现的。在此特别版的Nuytsia上发表的最新分类学工作集中在命名17种分类单元，其分布集中在这些范围上，另外62种具有重要保护意义的分类单元在西澳大利亚州的南半部。尽管活动有所增加，但仍未充分记录植物和植物的保护状况。在最有可能开采的25个范围的子集中，研究了濒危，稀有和鲜为人知的类群（申报的稀有植物群和优先植物群）的分布模式和地方性模式。对地方性的初步分析支持以下假设：这些范围既代表着古代的避难所，又代表着近来的物种形成地区。在整个西澳大利亚州，有大约2,240个分类单元正在考虑中，由环境与自然保护部正式列为濒危物种;其中有475个尚未正式命名。这种情况严重阻碍了他们的保护评估。

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