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首页> 外文期刊>Journal of Insect Conservation >Habitat suitability of an at-risk, monolectic, ground-nesting bee Hesperapis oraria and its floral host Balduina angustifolia at two spatial scales along the Northern Gulf of Mexico
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Habitat suitability of an at-risk, monolectic, ground-nesting bee Hesperapis oraria and its floral host Balduina angustifolia at two spatial scales along the Northern Gulf of Mexico

机译：栖息地适用于风险，单层，地面嵌套Bee Hesperapis Oraria及其花卉主持人Balduina Angustifolia，沿着墨西哥北湾的两个空间鳞片

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摘要

Hesperapis oraria, Snelling and Stage (Hymenoptera: Melittidae) is endemic to northern coastal habitats of the Gulf of Mexico and is a pollen specialist of floral host Balduina angustifolia Pursh. (Asteraceae). Specialization and restricted geographic distribution along the coast of the Gulf of Mexico warrants further investigation into habitat requirements of the bee. This study quantifies the habitat use of H. oraria in association with B. angustifolia distribution at regional and landscape spatial scales using a classification tree species distribution modeling approach. Hesperapis oraria density was lower on barrier island sites compared with coastal mainland sites; no H. oraria were found on non-coastal mainland sites. The regional distribution of H. oraria was driven by the number of B. angustifolia patches, while at the landscape scale H. oraria presence was predicted most strongly by B. angustifolia patch area, plant density, as well as distance from ephemeral wetlands. The regional distribution of B. angustifolia was influenced by the proximity to the bay and within a landscape B. angustifolia distribution was strongly influenced by the stability of the landscape feature in which it was found.
机译：Hesperapis Oraria，Snelling和Stage（Hymenoptera：Melittidae）是墨西哥湾北部沿海栖息地的地方性，是花卉主持人Balduina Angustifolia Pursh的花粉专家。 （Asteraceae）。沿着墨西哥湾海岸的专业化和限制地理分布值得进一步调查蜜蜂的栖息地要求。本研究量化了与B.Ataria与B.Angustifolia分布在区域和景观空间尺度的栖息地使用的栖息地使用，使用分类树种分布建模方法。与沿海大陆景点相比，Barrier岛地点Hesperapis Oraria密度较低;没有H. Oraria在非沿海内地网站上找到。 H. Oraria的区域分布是由B.Angustifolia斑块的数量驱动的，而在景观量表中，B.Anaria的存在，B.Angustifolia贴片区域，植物密度以及距短暂湿地的距离，最强烈地预测。 B.Angustifolia的区域分布受到海湾附近的影响，并且在景观中B.Angustifolia分布受到发现的景观特征的稳定性的强烈影响。

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