Air Pollution-Related Lichen Monitoring in National Parks, Forests, and Refuges: Guidelines for Studies Intended for Regulatory and Management Purposes
This guidance document is intended to serve as a resource for national park, forest, and refuge staff when
considering lichen studies to address air quality concerns. It provides background regarding the use of
lichens as air pollution indicators, their sensitivities to various air pollutants, and the effects of air pollution
on lichen physiology, communities, and tissue chemistry. It discusses the types of information and
objectives that can optimize the utility of lichen studies from an air management and air regulatory
perspective. It also provides a checklist of questions to consider when designing or evaluating the potential
of...