用于保护沼泽龟(Glyptemys muhlenbergii)的基于水文和土地覆盖的生境模型

IF 2.5 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Jeffrey B. Feaga, Joseph C. Barron II, George C. Brooks, Emmanuel A. Frimpong, Carola A. Haas, Michael T. Holden, Emma A. Hultin
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引用次数: 0

摘要

濒危沼泽龟(Glyptemys muhlenbergii)是珍稀物种保护相关问题的典型代表;存在调查的检测率很低,栖息地模型中使用的变量可能与该物种与其环境的既定生物关系缺乏相关性。该物种利用地下水饱和土壤和溪流网络作为核心栖息地和扩散走廊的情况已被记录在案。但对于促进核心栖息地湿地形成和持续存在的景观因素却知之甚少。我们开发了一种基于地理信息系统的资源选择功能,用于预测沼泽龟栖息地的使用情况。该模型以有人栖息地为中心的 1 公顷地块和限制在距离溪流网络中心线 56.4 米范围内的假缺失地块为训练对象,测试了地形湿度指数 (TWI)、溪流顺序以及土壤、湿地和土地覆被类型预测合适栖息地的存在和海龟栖息地的能力。景观变量的采样分辨率为 10 米,但变量选择和模型性能分析的分辨率为 100 米,以保持与生物相关的 1 公顷栖息地尺度,并适应其他变量的分辨率。中等至高 TWI 值、低植被高度和湿地的土地植被、二阶和三阶溪流以及绘制的国家湿地目录多边形和水生土壤的出现最能预测适宜的生境和海龟的存在。TWI 的极高值与栖息地适宜性呈负相关。最佳模型的曲线下面积为 0.833。在使用该模型选择的 55 个独立地点中,88% 发现了合适的栖息地,并确认了 9 个新的栖息地。在讨论模型误差时,考虑到了农业景观中人为改变的排水网络。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A hydrologic and land cover-based habitat model for use in bog turtle (Glyptemys muhlenbergii) conservation

A hydrologic and land cover-based habitat model for use in bog turtle (Glyptemys muhlenbergii) conservation

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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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