Wetland restoration enhances habitat for an endangered bat, Eumops floridanus

IF 2.8 3区 环境科学与生态学 Q2 ECOLOGY
Laura P. Nicholson, Elizabeth C. Braun de Torrez, Holly K. Ober
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引用次数: 0

Abstract

Restoring lost or degraded wetlands is a major challenge in contemporary conservation. Understanding how wetland restoration and changes in hydrology affect wildlife is increasingly urgent for endangered species conservation. This is especially pertinent for the endangered Florida bonneted bat (Eumops floridanus), whose range is almost entirely contained within one of the world's most iconic wetland systems, the Greater Everglades Ecosystem. We investigated how E. floridanus may respond to future hydrological and vegetation changes associated with current and planned Everglades hydrologic restoration efforts. We conducted acoustic surveys at 194 random points stratified across a restoration gradient (no hydrologic restoration, partial hydrologic restoration, full hydrologic restoration, and reference). Using generalized linear mixed models, we determined the most important predictors explaining variation in bat activity and foraging likelihood. Positive associations between bat activity and several hydrologic variables expected to increase with restoration (hydroperiod, water depth, distance to canals, and extent of freshwater forested wetlands, ecologically intact reference areas, and zones with full hydrological restoration) suggest that foraging habitat for this species will likely benefit from hydrologic restoration both in the near term (immediate increases in hydroperiod and water depth) and in the longer term (as freshwater forested wetlands expand). Our results inform immediate management decisions for this species and suggest the benefits of restoration for wildlife adapted to historically longer hydroperiods and greater water depths, which are anticipated to increase with the gradual return of natural hydrological regimes.
湿地恢复改善了濒危蝙蝠 Eumops floridanus 的栖息地
恢复丧失或退化的湿地是当代保护工作的一大挑战。了解湿地恢复和水文变化如何影响野生动物,对于保护濒危物种来说日益迫切。这对于濒危的佛罗里达匙吻蝠(Eumops floridanus)来说尤为重要,因为它的活动范围几乎全部位于世界上最具标志性的湿地系统之一--大沼泽地生态系统中。我们调查了 E. floridanus 如何应对与当前和计划中的大沼泽地水文恢复工作相关的未来水文和植被变化。我们在 194 个随机点进行了声学调查,这些点按恢复梯度分层(无水文恢复、部分水文恢复、完全水文恢复和参照)。利用广义线性混合模型,我们确定了解释蝙蝠活动和觅食可能性变化的最重要预测因素。蝙蝠活动与几个水文变量(水文周期、水深、与运河的距离、淡水森林湿地的范围、生态完好的参照区和完全水文恢复区)之间的正相关性表明,该物种的觅食栖息地在近期(水文周期和水深立即增加)和长期(随着淡水森林湿地的扩大)都可能受益于水文恢复。我们的研究结果为该物种的近期管理决策提供了参考,并表明恢复水文对适应历史上较长的水文周期和较大的水深的野生动物的益处,预计随着自然水文系统的逐步恢复,这些益处将会增加。
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来源期刊
Restoration Ecology
Restoration Ecology 环境科学-生态学
CiteScore
6.50
自引率
15.60%
发文量
226
审稿时长
12-24 weeks
期刊介绍: Restoration Ecology fosters the exchange of ideas among the many disciplines involved with ecological restoration. Addressing global concerns and communicating them to the international research community and restoration practitioners, the journal is at the forefront of a vital new direction in science, ecology, and policy. Original papers describe experimental, observational, and theoretical studies on terrestrial, marine, and freshwater systems, and are considered without taxonomic bias. Contributions span the natural sciences, including ecological and biological aspects, as well as the restoration of soil, air and water when set in an ecological context; and the social sciences, including cultural, philosophical, political, educational, economic and historical aspects. Edited by a distinguished panel, the journal continues to be a major conduit for researchers to publish their findings in the fight to not only halt ecological damage, but also to ultimately reverse it.
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