Herpetofaunal Communities in Restored and Unrestored Remnant Tallgrass Prairie and Associated Wetlands in Northwest Arkansas, USA

Herpetofaunal Communities in Restored and Unrestored Remnant Tallgrass Prairie and Associated Wetlands in Northwest Arkansas, USA
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美国阿肯色州西北部恢复和未恢复的高草草原和相关湿地的爬行动物群落

DOI:
10.1007/s13157-017-0966-5
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发表时间:
2018
期刊:
影响因子:
2
通讯作者:
Willson, John D.
Willson, John D.
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Baecher, Joseph A.;Vogrinc, Philip N.;Guzy, Jacquelyn C.;Kross, Chelsea S.;Willson, John D.

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高草草原内的湿地是北美最濒危的生态系统之一,是许多敏感和特有物种的重要栖息地。虽然这些栖息地的丧失严重影响了爬行动物和两栖动物,但大多数草原恢复举措采取了适应植物和/或游戏物种的生态系统恢复方法,很少特别关注两栖动物。有限的信息存在记录的爬行动物和两栖动物的人口对高草草原生态系统的湿地恢复的反应。我们使用了多种技术来比较爬行动物和两栖动物群落在最近(2006年)恢复和未恢复的高草草原和相关的湿地栖息地在伍尔西湿草原保护区(WWPS),湿地缓解网站在西北阿肯色州(美国)。我们记录了24种爬行动物和两栖动物,发现Regina grahamii(格雷厄姆的小龙虾蛇)和Lithobates areolatus(小龙虾蛙),这两种被认为是该州最需要保护的物种,表现出优先使用恢复的栖息地,而常见的,广泛的物种没有优先使用恢复或未恢复的栖息地。我们的研究结果表明,恢复高草草原和相关的湿地有利于稀有和敏感的两栖动物,并强调两个重要的管理考虑:1)促进短暂的(无鱼)水文,2)强调陆地运动走廊和关键的高地栖息地。
Wetlands within tallgrass prairie are among the most endangered ecosystems in North America and serve as critical habitat for many sensitive and endemic species. Although loss of these habitats has acutely affected reptiles and amphibians, most prairie restoration initiatives take an ecosystem restoration approach adapted for plant and/or game species, with few focusing particularly on herpetofauna. Limited information exists documenting the population responses of reptiles and amphibians to wetland restoration in tallgrass prairie ecosystems. We used multiple techniques to compare reptile and amphibian communities in recently (2006) restored and unrestored tallgrass prairie and associated wetland habitats at Woolsey Wet Prairie Sanctuary (WWPS), a wetland mitigation site in Northwest Arkansas (USA). We documented 24 reptile and amphibian species and found thatRegina grahamii(Graham’s Crayfish Snake) andLithobates areolatus(Crawfish Frog), both of which are considered species of greatest conservation need in the state, showed preferential use of restored habitat, while common, widespread species did not use restored or unrestored habitat preferentially. Our results demonstrate that restoration of tallgrass prairie and associated wetlands benefits rare and sensitive herpetofauna and highlight two important management considerations: 1) promoting ephemeral (fishless) hydrology, and 2) emphasizing terrestrial movement corridors and critical upland habitat.
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