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首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Monitoring considerations for a dynamic dune restoration project: Pacific Rim National Park Reserve, British Columbia, Canada.
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Monitoring considerations for a dynamic dune restoration project: Pacific Rim National Park Reserve, British Columbia, Canada.

机译：动态沙丘修复项目的监视注意事项：加拿大不列颠哥伦比亚省环太平洋国家公园保护区。

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Historically, management of coastal dune systems has often involved artificial stabilization of active sand surfaces in order for coastal areas to be more easily controlled and modified for human benefit. In North America, the introduction of invasive grasses, namely European and American beach (marram) grasses (Ammophila spp.) has been one of the most successful strategies used for stabilizing active coastal dune sands. Recent research has demonstrated, however, that stabilization of coastal dunes often leads to reduced landform complexity and resilience, as well as declines in species diversity. More 'dynamic' restoration efforts have emerged over the past 20 years that encourage dune mobility and aeolian activity in order to provide a more resilient biogeomorphic system. In North America, there is generally little research relating restoration methods and outcomes to geomorphic responses despite the fundamental importance of sedimentary processes and dune morphodynamics in broader ecosystem function. This paper aims to better situate dynamic dune restoration within current geomorphic understanding. A brief review of key terms and concepts used in the emerging field of dynamic dune restoration is provided and expanded upon with respect to geomorphologic considerations. A case study of a recent dynamic restoration effort in Pacific Rim National Park Reserve, British Columbia, Canada is provide to demonstrate how these concepts are applied. Introduction of European marram at this site, coupled with a warming climate and increased precipitation in recent decades at this site, is thought to be associated with a rapid decline in aeolian activity, system stabilization and accelerated ecological succession. Preliminary results on the response of the dune system to mechanical removal of Ammophila are presented to provide the foundation for a research framework to guide the broader restoration project. Recommendations for improving treatment methodologies and monitoring protocols are provided to aid future restoration projects of this nature.
机译：从历史上看，沿海沙丘系统的管理通常涉及对活动沙面的人工稳定处理，以使沿海地区更易于控制和改造，以造福人类。在北美，引入入侵性草丛，即欧美海滩草（Ammophila spp。）已成为稳定活动性沿海沙丘沙土最成功的策略之一。然而，最近的研究表明，沿海沙丘的稳定化通常会导致地形复杂性和复原力的降低，以及物种多样性的下降。在过去的20年中，出现了更多的“动态”修复工作，这些工作鼓励沙丘移动和风沙活动，以提供更具弹性的生物地貌系统。尽管沉积过程和沙丘形态动力学在更广泛的生态系统功能中具有根本重要性，但在北美，很少有研究将恢复方法和结果与地貌响应相关联。本文旨在在当前的地貌理解中更好地定位动态沙丘恢复。简要回顾了动态沙丘恢复这一新兴领域中使用的关键术语和概念，并就地貌因素进行了扩展。提供了加拿大不列颠哥伦比亚省环太平洋国家公园保护区近期动态修复工作的案例研究，以演示如何应用这些概念。在该地点引入欧洲mar，再加上近几十年来气候变暖和降水增加，被认为与风沙活动迅速下降，系统稳定和生态演替加快有关。提出了沙丘系统对机械去除氨水的反应的初步结果，为指导更广泛的修复项目的研究框架提供了基础。提供了改进治疗方法和监测方案的建议，以帮助将来进行这种性质的修复项目。

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