Mapping the Migration

K. Kesler, Rick L. Bunch
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引用次数: 2

Abstract

Monarch butterfly populations have been declining at an accelerating rate. While local mitigative measures can provide some relief, the larger scale loss of habitat and lack of flyway continuity must also be addressed. This study utilized a site suitability model to rank all locations within the Western monarch migratory zone in relation to factors that collectively attribute to butterfly viability, sustainability, and functionality. The two overarching study goals were to identify flyway gaps and to compare the model outcomes with geolocated butterfly sightings. The model weighed temperature, precipitation, elevation, and land cover/use factors based on their overall impact on site suitability. In addition to these factors, wildfires, solar farms, genetically modified crops, snow/ice cover, and open water were modeled as uninhabitable zones incapable of sustaining butterfly populations. The study results illuminated the heterogeneity of the Western monarch migratory range as well as raised questions regarding possible abnormal butterfly behaviors.
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映射迁移
帝王蝶的数量一直在加速下降。虽然当地的缓解措施可以提供一些缓解,但也必须解决栖息地的大规模丧失和缺乏飞行路线连续性的问题。这项研究利用了一个地点适宜性模型,根据蝴蝶生存能力、可持续性和功能性的综合因素,对西部帝王蝶迁徙区内的所有地点进行了排名。两个总体研究目标是确定飞行通道缺口,并将模型结果与地理定位的蝴蝶目击事件进行比较。该模型根据温度、降水、海拔和土地覆盖/利用因素对场地适宜性的总体影响对其进行了权衡。除这些因素外,野火、太阳能农场、转基因作物、冰雪覆盖和开放水域被建模为无法维持蝴蝶种群的不适宜居住区。研究结果揭示了西方帝王蝶迁徙范围的异质性,并提出了可能存在异常蝴蝶行为的问题。
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CiteScore
1.20
自引率
0.00%
发文量
22
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