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Trees as environmental sentinels
1Liverpool John Moores University, Byrom Street, Liverpool L3 3AF. n.m.dickinson@livjm.ac.uk
Biologist (London, England)
|January 12, 2001
Abstract:
Trees are reliable indicators of the long-term effects of atmospheric pollution. As the botanical big game of the planet they are also standing guard and may be providing a warning signal about our own future.