Life history and ecology of the endangered Poweshiek skipperling Oarisma poweshiek in Michigan prairie fens

Life history and ecology of the endangered Poweshiek skipperling Oarisma poweshiek in Michigan prairie fens
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密歇根草原沼泽濒临灭绝的 Poweshiek 船长 Oarisma poweshiek 的生活史和生态

DOI:
10.1007/s10841-019-00158-6
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发表时间:
2019
影响因子:
1.9
通讯作者:
Monfils, Anna K.
Monfils, Anna K.
中科院分区:
农林科学2区
文献类型:
--
作者:
Belitz, Michael W.;Monfils, Michael J.;Cuthrell, David L.;Monfils, Anna K.

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波氏弄蝶(学名:Poweshiek skipperling,鳞翅目:弄蝶科)经历了一个范围广泛的下降,导致6个报告现存的网站。与Poweshiek skipperling成年行为,物候,栖息地结构和潜在的幼虫寄主植物相关的关键知识差距限制了管理这种联邦濒危物种的能力。为了解决这些信息的需求,我们进行了广泛的调查,在最后剩下的据点四个现存的草原沼泽在密歇根州。我们使用点样带调查收集数据的植物结构,和Poweshiek skipperling行为和检测。我们估计Poweshiek skipperling丰度和建模的影响,当地植被上Poweshiek skipperling存在/不存在。我们估计,丰富的成年Poweshiek skipperling在密歇根州草原沼泽是231(95%CI 160-332),进一步突出了这个物种的濒危状态。Poweshiek skipperling的存在沿着我们的样带是负相关的阻碍性植被和正相关的花蜜源Dasiphora fruticosa的可用性。我们的观察数据表明,女性花蜜最频繁的D。fruticosa,而男性花蜜最经常Rudbeckia hirta。结果表明,在4种植物上共观察到7次产卵事件,其中包括:米氏苔草、结球米氏苔草、不育苔草和苔草。fruticosa),其中三个没有以前的文件作为可能的主机厂。这项研究的结果可以用来评估管理决策,并告知原位和迁地保护工作。关键是要继续监测剩余种群,不仅要评估保护工作,而且要辨别影响物种灭绝的模式和过程。
Poweshiek skipperling (Oarisma poweshiek,Lepidoptera: Hesperiidae) has experienced a range-wide decline resulting in six reported extant sites. Critical knowledge gaps related to Poweshiek skipperling adult behavior, phenology, habitat structure, and potential larval host plants are limiting the ability to manage this federally endangered species. To address these information needs, we conducted extensive surveys in the last remaining stronghold of four extant prairie fens in Michigan. We used point transect surveys to collect data on plant structure, and Poweshiek skipperling behavior and detection. We estimated Poweshiek skipperling abundance and modeled the influence of local vegetation on Poweshiek skipperling presence/absence. We estimated the abundance of adult Poweshiek skipperling in Michigan prairie fens to be 231 (95% CI 160–332), further highlighting the imperiled status of this species. Presence of Poweshiek skipperling along our transects was negatively associated with obstructive vegetation and positively associated with the availability of the nectar sourceDasiphora fruticosa. Our observation data indicated females nectared most frequently onD. fruticosa, whereas males nectared most often onRudbeckia hirta. Across the field season we observed 7 oviposition events on four plant species (Muhlenbergia richardsonis,Muhlenbergia glomerata,Carex sterilis, andD. fruticosa), three of which had no previous documentation as a possible host plant. Results from this study can be used to evaluate management decisions and inform both in situ and ex situ conservation efforts. It is critical to continue monitoring remaining populations, not only to assess conservation efforts, but also to discern the patterns and processes influencing species extinction.
同一栖息地网络中两种草原蝴蝶的运动:成虫资源的作用和研究区域的大小
DOI: --
发表时间: 2003
期刊:
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期刊: Journal of Ecology
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发表时间: 2009
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DOI: 10.1007/s11273-016-9491-1
发表时间: 2016
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1988-1997 年爱荷华州、明尼苏达州和北达科他州草原船长(Oarisma Poweshiek、Hesperia Dacotae、H. Ottoe、H. Leonardus Pawnee 和 Atrytone Arogos Iowa)的观察[(鳞翅目:Hesperiidae])
DOI: 10.22543/0090-0222.2001
发表时间: 2018
期刊: The Great Lakes Entomologist
影响因子: --
作者:
A. Swengel;S. Swengel
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