湿地恢复:短期成功标准能否预测长期结果?

IF 2.8 3区 环境科学与生态学 Q2 ECOLOGY
Mathias Adam, David J. Cooper, Renaud Jaunatre, Jean‐Christophe Clément, Stephanie Gaucherand
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引用次数: 0

摘要

过去 50 年间,全球范围内的湿地丧失使湿地保护成为公共政策的优先事项,从而导致湿地恢复计划的增加。然而,预测长期恢复结果仍然很困难。对这些项目的监测很少超过 5-10 年,这迫使湿地管理者依赖于可能会受到科学界批评的短期成功标准。我们的目标是评估在 12 个湿地的恢复计划中使用的四个短期成功标准(薹草(Carex ssp.)嫩枝密度、沙柳(Salix ssp.)存活率、入侵物种覆盖率以及与参考地点的水文异质性)在预测恢复 15 年后的恢复结果方面的意义。我们采用基于聚类分析的方法定义了 15 年后恢复工作的成功与否,并使用主坐标分析和 Tukey 的事后诚实显著差异检验对聚类进行了描述。最后,我们使用皮尔逊相关检验和空间回归模型评估了每个短期成功标准在预测长期恢复结果方面的相关性。我们的结果表明,基于压力的短期成功标准可以可靠地预测浅水层群落的长期成功,而基于目标物种的短期成功标准则不然。与参考地点的水文异质性适合预测柳灌木群落的结果,而入侵物种覆盖率最适合预测莎草群落的结果。对于柳灌草丛群落等较干燥栖息地的群落,所测试的短期成功标准都不能显著预测长期恢复结果,因此需要进一步研究以确定合适的短期成功标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wetland restoration: can short‐term success criteria predict long‐term outcomes?
Worldwide wetland loss over the past 50 years has made wetland conservation a public policy priority, leading to an increase in wetland restoration programs. However, predicting long‐term restoration outcomes remains difficult. The monitoring of these programs rarely exceeds 5–10 years, forcing wetland managers to rely on short‐term success criteria that may be criticized by the scientific community. Our objective was to assess the significance of four short‐term success criteria (Carex ssp. shoot density, Salix ssp. survival, invasive species cover, and hydrologic dissimilarity to reference sites) used in a restoration program of 12 wetlands monitored for 5 years post‐restoration in predicting restoration outcomes 15 years post‐restoration. We defined the success of restoration efforts after 15 years using a cluster analysis‐based approach, and the clusters were described using principal coordinate analysis and Tukey's post hoc honest significant difference test. Finally, we assessed the pertinence of each short‐term success criteria in predicting long‐term restoration outcomes using Pearson correlation tests and spatial regressive models. Our results demonstrate that stress‐based short‐term success criteria can be reliable predictors of longer‐term success for communities with shallow water tables, whereas target‐species‐based short‐term success criteria are not. Hydrologic dissimilarity to the reference site was appropriate for willow‐sedge community outcome predictions, while invasive species cover was best for sedge community outcome predictions. For communities in drier habitats, such as the willow‐herb community, none of the tested short‐term success criteria were significant predictors of long‐term restoration outcomes, and further research is required to identify suitable short‐term success criteria.
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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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