环境科学
污染物
生态系统
陆地生态系统
风险评估
大气(单位)
空气污染
环境资源管理
气候变化
水生生态系统
生态学
环境保护
地理
气象学
生物
计算机科学
计算机安全
作者
Michael J. Paul,Stephen D. LeDuc,Katie Boaggio,Jeffrey D. Herrick,S. Douglas Kaylor,Meredith G. Lassiter,Christopher G. Nolte,R. Byron Rice
标识
DOI:10.1021/acs.est.2c09061
摘要
Wildfires have increased in frequency and area burned, trends expected to continue with climate change. Among other effects, fires release pollutants into the atmosphere, representing a risk to human health and downwind terrestrial and aquatic ecosystems. While human health risks are well studied, the ecological impacts to downwind ecosystems are not, and this gap may present a constraint on developing an adequate assessment of the ecological risks associated with downwind wildfire exposure. Here, we first screened the scientific literature to assess general knowledge about pathways and end points of a conceptual model linking wildfire generated pollutants and other materials to downwind ecosystems. We found a substantial body of literature on the composition of wildfire derived pollution and materials in the atmosphere and subsequent transport, yet little observational or experimental work on their effects on downwind ecological end points. This dearth of information raises many questions related to adequately assessing the ecological risk of downwind exposure, especially given increasing wildfire trends. To guide future research, we pose eight questions within the well-established US EPA ecological risk assessment paradigm that if answered would greatly improve ecological risk assessment and, ultimately, management strategies needed to reduce potential wildfire impacts.
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