EXAMINING THE PAST, PRESENT, AND FUTURE OF AN ICONIC MOJAVE DESERT SPECIES, THE JOSHUA TREE (YUCCA BREVIFOLIA, YUCCA JAEGERIANA)

IF 0.2 4区环境科学与生态学 Q4 Agricultural and Biological Sciences

Southwestern Naturalist Pub Date : 2022-01-26 DOI:10.1894/0038-4909-65.3-4.216

Jennifer L. Wilkening, S. Hoffmann, Felicia Sirchia

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引用次数: 1

Abstract

Abstract The Joshua tree (Yucca brevifolia, Y. jaegeriana) is a large, evergreen monocot distributed patchily across the southwestern United States. The plant occurs on alluvial fans, plains, and bajadas primarily in the Mojave Desert, but populations can also be found in the Great Basin and Sonoran Deserts. Named by the Mormon pioneers for the branching, supplicating arms reaching toward the sky, the species has become an emblematic symbol of the Mojave Desert for residents and visitors alike. Joshua trees inhabit cooler, moister microclimates within the larger desert macroclimate, and research has indicated the species may be vulnerable to future climatic regimes characterized by warmer and drier conditions. Here we present a concise review examining the past distribution, the current population status and threats, and the viability of the species under differing habitat and climate scenarios projected for the future. Additionally, we identify knowledge gaps to guide future research directions. Our results provide insight into management and conservation actions and contribute to a greater understanding of range-wide effects of ongoing environmental change on this species.

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考察莫哈韦沙漠标志性物种约书亚树的过去、现在和未来，约书亚树(短叶丝兰，紫丝兰)

摘要约书亚树（Yuca brevifolia，Y.jaegeriana）是一种大型常绿单子叶植物，分布于美国西南部。这种植物主要分布在莫哈韦沙漠的冲积扇、平原和巴贾达斯，但在大盆地和索诺兰沙漠也有种群。该物种由摩门教先驱以其伸向天空的分支、恳求的手臂命名，已成为莫哈韦沙漠居民和游客的象征。约书亚树栖息在更大的沙漠大气候中更凉爽、更潮湿的小气候中，研究表明，该物种可能容易受到未来以温暖和干燥为特征的气候制度的影响。在这里，我们简要回顾了过去的分布、当前的种群状况和威胁，以及该物种在未来不同栖息地和气候情景下的生存能力。此外，我们还发现了知识差距，以指导未来的研究方向。我们的研究结果深入了解了管理和保护行动，并有助于更好地了解持续的环境变化对该物种的广泛影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Southwestern Naturalist 环境科学-生态学

CiteScore

0.50

自引率

50.00%

发文量

审稿时长

18-36 weeks

期刊介绍： The Southwestern Naturalist (a publication of the Southwestern Association of Naturalists since 1953) is an international journal (published quarterly) that reports original and significant research in any field of natural history. This journal promotes the study of plants and animals (living and fossil) in the multinational region that includes the southwestern United States, Mexico, and Central America. Appropriate submission of manuscripts may come from studies conducted in the countries of focus or in regions outside this area that report significant findings relating to biota occurring in the southwestern United States, Mexico, and Central America. Publication is in English, and manuscripts may be feature articles or notes. Feature articles communicate results of completed scientific investigations, while notes are reserved for short communications (e.g., behavioral observations, range extensions, and other important findings that do not in themselves constitute a comprehensive study). All manuscripts (feature articles and notes) require an abstract in both English and Spanish.