气候恒定性和管理干预可预测美国濒危蝴蝶的种群趋势

IF 5 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION Journal of Applied Ecology Pub Date : 2024-09-03 DOI:10.1111/1365-2664.14735
Collin B. Edwards, Cheryl B. Schultz, Steven P. Campbell, Candace Fallon, Erica H. Henry, Kelsey C. King, Mary Linders, Travis Longcore, Daniel A. Marschalek, David Sinclair, Ann Swengel, Scott Swengel, Doug J. Taron, Tyson Wepprich, Elizabeth E. Crone
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引用次数: 0

摘要

物候变化是对气候变化的常见反应,但其对种群动态的影响往往模糊不清,大多数分析都忽略了高危物种。我们评估了美国 10 个州 5 个科 31 个高危物种 114 个蝴蝶种群的丰度变化与物候变化之间的关系。我们使用了每年多次收集计数数据的 Pollard-walk 和类似监测项目的数据。我们还从管理者那里收集了有关现场管理干预措施的信息。为了估算丰度,我们首先对每个地点的每个物种分别拟合平滑样条。每年的丰度是根据当年活动曲线下的面积估算的,并由此估算出我们拥有种群数据期间的丰度趋势。物候变化是通过中位活动日期、飞行季节开始时间、飞行季节持续时间和物候恒定性(中位活动日期趋势的负值)的变化来衡量的。我们还评估了生态特征(伏食性、食性广度、在地理范围内的位置、生态区域、越冬阶段和季节性)和管理(干预年份比例)与丰度和物候趋势的关联。在所有种群中,估计丰度趋势为-0.085,相当于每年下降 8.1%。丰度的正趋势与飞行日期中位数的较小变化(较高的恒定性)有关。我们还发现,丰度趋势与管理措施之间存在密切联系,管理措施的加强与丰度趋势的增加有关。总体而言,生态特征与物候学趋势或丰度趋势的关系不大。综述与应用:物候较不恒定的种群更有可能迅速衰退,而管理干预较频繁的种群则在增加。这些结果表明,管理干预的一个关键结果可能是减轻气候变化的一些影响,这反过来又可能有助于提高种群增长。这些结果还意味着,随着物种物候的变化,管理者可能需要改变适当的管理时机,以便与高危物种的活动同步。
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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Phenological constancy and management interventions predict population trends in at-risk butterflies in the United States

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来源期刊
Journal of Applied Ecology
Journal of Applied Ecology 环境科学-生态学
CiteScore
9.80
自引率
3.50%
发文量
229
审稿时长
4.5 months
期刊介绍: Journal of Applied Ecology publishes novel, high-impact papers on the interface between ecological science and the management of biological resources.The editors encourage contributions that use applied ecological problems to test and develop basic theory, although there must be clear potential for impact on the management of the environment.
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