Wagner Anne M, Larson Diane L, DalSoglio Julie A, Harris James A, Labus Paul, Rosi-Marshall Emma J, Skrabis Kristin E
Chevron Energy Technology, San Ramon, California, USA.
US Geological Survey, St Paul, Minnesota.
Integr Environ Assess Manag. 2016 Apr;12(2):264-72. doi: 10.1002/ieam.1709. Epub 2015 Dec 18.
As natural resources become increasingly limited, the value of restoring contaminated sites, both terrestrial and aquatic, becomes increasingly apparent. Traditionally, goals for remediation have been set before any consideration of goals for ecological restoration. The goals for remediation have focused on removing or limiting contamination whereas restoration goals have targeted the ultimate end use. Here, we present a framework for developing a comprehensive set of achievable goals for ecological restoration of contaminated sites to be used in concert with determining goals for remediation. This framework was developed during a Society of Environmental Toxicology and Chemistry (SETAC) and Society of Ecological Restoration (SER) cosponsored workshop that brought together experts from multiple countries. Although most members were from North America, this framework is designed for use internationally. We discuss the integration of establishing goals for both contaminant remediation and overall restoration, and the need to include both the restoration of ecological and socio-cultural-economic value in the context of contaminated sites. Although recognizing that in some countries there may be regulatory issues associated with contaminants and clean up, landscape setting and social drivers can inform the restoration goals. We provide a decision tree support tool to guide the establishment of restoration goals for contaminated ecosystems. The overall intent of this decision tree is to provide a framework for goal setting and to identify outcomes achievable given the contamination present at a site.
随着自然资源日益有限，修复受污染的陆地和水体场地的价值愈发明显。传统上，修复目标在考虑任何生态恢复目标之前就已设定。修复目标侧重于去除或限制污染，而恢复目标则针对最终的用途。在此，我们提出一个框架，用于制定一套全面且可实现的受污染场地生态恢复目标，以便与确定修复目标协同使用。该框架是在环境毒理学与化学学会（SETAC）和生态恢复学会（SER）联合主办的研讨会上制定的，此次研讨会汇聚了来自多个国家的专家。尽管大多数成员来自北美，但该框架旨在供全球使用。我们讨论了污染物修复目标与整体恢复目标的整合，以及在受污染场地背景下纳入生态和社会文化经济价值恢复的必要性。尽管认识到在一些国家可能存在与污染物及清理相关的监管问题，但景观环境和社会驱动因素可为恢复目标提供参考。我们提供了一个决策树支持工具，以指导受污染生态系统恢复目标的设定。此决策树的总体意图是提供一个目标设定框架，并确定在场地存在污染的情况下可实现的成果。
