Freshwater fish sanctuaries provide benefits for riparian wildlife

IF 2.5 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Michael R. Dusevic, Brooke S. Etherington, William M. Twardek, Tara Lepine, Aaron J. Zolderdo, Austin J. Gallagher, Kathryn Peiman, Steven J. Cooke
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Abstract

Benefits to wildlife communities stemming from the protection of a single species have been documented in terrestrial and marine systems but remain understudied within the context of freshwater-protected areas (FPAs). We used five long-standing (>80 years) FPAs in three lakes in eastern Ontario, Canada, which were initially established to protect native black bass (Micropterus spp.) from angling exploitation, to assess whether this protection affected wildlife communities found in the riparian areas of these FPAs. From May to July 2021, we used baited remote camera traps and visual surveys to assess species diversity within and outside of FPAs. We recorded 61 species spanning mammalian, avian and herpetofauna taxa, with the two assessment methods identifying unique sets of species (23% overlap). Camera traps showed that animals were more active in riparian areas during the day (62% of detections) than at night. FPAs had a variable but overall positive influence on riparian wildlife biodiversity, hosting more bird, mammal, amphibian and reptile species than non-protected areas and having higher species richness. FPAs differed from other sites in the lakes by having higher habitat complexity, less human infrastructure and less human use, which potentially contributed to these differences. This study raises awareness that even small FPAs can have legacy, umbrella-type benefits that extend beyond fishes to the wildlife that use the adjacent riparian areas.

Abstract Image

淡水鱼保护区为河岸野生动物带来益处
在陆地和海洋系统中,对单一物种的保护给野生生物群落带来的益处已被记录在案,但在淡水保护区(FPAs)的背景下,这方面的研究仍然不足。我们利用加拿大安大略省东部三个湖泊中长期(80 年)存在的五个淡水保护区来评估这种保护是否会影响淡水保护区河岸地区的野生生物群落。2021 年 5 月至 7 月,我们使用带诱饵的远程相机陷阱和目测调查来评估保护区内外的物种多样性。我们记录了 61 个物种,涵盖哺乳动物、鸟类和爬行动物类群,这两种评估方法识别出了独特的物种集(重叠率为 23%)。相机陷阱显示,河岸地区的动物白天(62%)比夜间更活跃。河岸保护区对河岸野生生物多样性的影响各不相同,但总体上是积极的,与非保护区相比,河岸保护区拥有更多的鸟类、哺乳动物、两栖动物和爬行动物物种,物种丰富度也更高。森林保护区与湖泊中的其他地点不同,栖息地的复杂性更高,人类基础设施更少,人类使用也更少,这可能是造成这些差异的原因。这项研究让人们认识到,即使是小型的森林保护区也能带来保护伞式的好处,这种好处不仅能惠及鱼类,还能惠及使用邻近河岸地区的野生动物。
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来源期刊
Aquatic Conservation-Marine and Freshwater Ecosystems
Aquatic Conservation-Marine and Freshwater Ecosystems 环境科学-海洋与淡水生物学
CiteScore
5.50
自引率
4.20%
发文量
143
审稿时长
18-36 weeks
期刊介绍: Aquatic Conservation: Marine and Freshwater Ecosystems is an international journal dedicated to publishing original papers that relate specifically to freshwater, brackish or marine habitats and encouraging work that spans these ecosystems. This journal provides a forum in which all aspects of the conservation of aquatic biological resources can be presented and discussed, enabling greater cooperation and efficiency in solving problems in aquatic resource conservation.
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