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首页> 外文期刊>Natural areas journal >Highlighting an Overlooked Hotspot for American Ginseng (Panax quinquefolius) in Virginia
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Highlighting an Overlooked Hotspot for American Ginseng (Panax quinquefolius) in Virginia

机译：Highlighting an Overlooked Hotspot for American Ginseng (Panax quinquefolius) in Virginia

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摘要

American ginseng (Panax quinquefolius) is a globally desired medicinal plant that is becoming increasingly difficult to study due to harvest-induced rarity. Thus, this species' conservation could be greatly improved via species distribution models, making it a model organism for studying sampling bias. In an attempt to refine a state-derived distribution model for ginseng in Virginia, we conducted additional surveys in a biologically diverse yet under-sampled region of the state-the Cumberland Mountains-thereby increasing the number of documented ginseng occurrences in this region thirteen-fold (N_1 = 16, N_2 = 214). Our surveys resulted in the model predicting an increased probability of American ginseng occurrence not only statewide (μ_11 = 0.099, μ_2 = 0.104) but particularly so in the Cumberland Mountains (μ_1) = 0.170,μ_2 = 0.278), highlighting a consistently overlooked hotspot for biodiversity in Southern Appalachia. We suggest that more geographically balanced surveys and reduced overrepresentation of heavily protected and managed areas such as National Parks-in addition to heeding local knowledge-can be an effective method of mitigating geographic bias in predictions from species distribution models.

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