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在人类化景观中恢复沿海息地连接:基于景观图和土壤生物工程结构的多种方法

Etienne Boncourt¹, Laurent Bergès², Maria Alp³

¹Univ. Grenoble Alpes, INRAE, LESSEM, F-38402, St-Martin-d'Hères, France. etienne.boncourt@gmail.com.

Environmental management

|March 13, 2024

概括

使用 fascines 的河岸恢复可以改善野生动物的移动,但收益因物种而异. 针对特定部分的有针对性的恢复为某些动物提供了显著的连接效益,但没有单一的部分有利于所有物种.

科学领域:

生态生态学生态生态学
保护生物学保护生物学
景观生态学景观生态学

背景情况:

城市河流往往作为关键的野生动物走廊.
Riprap银行稳定降低了息地和减少了景观连接.
使用本土植物的fascines提供了一个潜在的环保替代品.

研究的目的:

为河流管理人员开发一个景观规模的方法来评估河岸恢复.
评估将riprap替换为fascines对景观连接性的影响.
确定最佳的河岸部分进行恢复,以最大限度地提高野生动物的连接性.

主要方法:

为河流管理人员制定了一个决策框架.
在阿尔维河25公里的25公里段进行了个案研究.
景观图被用来在不同的场景下 (riprap vs fascines) 建模四种目标脊椎动物物种的连接性.

主要成果:

用 fascines 取代 riprap 显著改善了普通 (+14%) 和欧亚海 (+46%) 的连接.
常见的沙龙蛇和带条草蛇的连接性保持不变.
修复特定的100米或500米段为单个物种带来了实质性的连接收益 (高达+33%).

结论:

引人注目的实施可以增强河流生态走廊.
战略性,本地化的恢复工作是最大限度地实现连接收益的关键.
没有一个恢复地点可以使所有物种受益,因此需要量身定制的管理方法.

关键词:

恢复生态连接恢复生态连接图形理论就是图形理论.河岸河流的河岸是什么意思河流景观管理的管理有脊椎动物的脊椎动物

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