More then 95,000 papers....
Abstract: A 5 page discussion of the use of lichens as biological indicators. Defines lichens, describes their varied and important ecological roles, and discusses the various environmental parameters which affect their growth, diversity, and distribution. Emphasizes the importance of analytical techniques which utilize lichens in assessing the impacts of air pollution. Bibliography lists 5 sources.
Catagory:
Subcatagory: Environmental Issues & Ecology
Looking for your next research topic idea? Check our our list of over 100,000 essay topics for you to consider.