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FSC Field Guide to Lichens on Twigs
(Approx $4.5595)
PRODUCT DESCRIPTION
An ideal alternative to a book, its lightweight, shower-proof and easy to use without looking through page after page! The ideal companion on any bushcraft or nature watcing trip!
Doing fieldwork on lichens?
This 8-panel laminated fold-out chart is designed to enable you to identify lichens found on twigs and use them to assess local atmospheric conditions. Lichens are highly sensitive to subtle changes in environmental conditions, so are natural indicators of the health of our environment.
This key indicates which lichens are acid-tolerant and nitrogen-tolerant (two of the major pollutants that affect lichens) and also indicates lichens that are associated with unpolluted sites.
Interested in investigating urban lichens as indicators of air pollution? We have recently produced two new fold-out charts: Urban lichens 1 (on trees and wood) and Urban lichens 2 (on stone and soil). We also stock these but they may not appear on our site. If not then please contact us.
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Charts (folded) are approx 16.5cm x 24.5cm