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Title informationKey to Lichens on TwigsSeries: FIELD STUDIES COUNCIL OCCASIONAL PUBLICATION 74 Wolseley, James and Alexander
8 pages, col illus, foldout chart.Field Studies Council (FSC)
Unbound | 2003 | £2.75 | approx. $5/€4
 #141380 | ISBN-10: 1851538844
This key is designed to enable you to identify lichens found on twigs and use them to assess local atmospheric conditions. This key indicates which lichens are acid-tolerant and nitrogen- tolerant (2 of the major pollutants that affect lichens) and also indicates lichens that are associated with unpolluted sites.  Petzl Tikka Plus Headlamp Equipment (Black) | £32.50 | approx. $59/€41 Other products in Head Torches  Point Frame Complete with Pins A tripod design first introduced in 1978 - a robust bit of kit that will last for many years. Equipment | £79.95 | approx. $144/€99 Other products in Sound Recording   Opticron Hand lens, 18mm, 20x magnification A higher magnification hand lens. Equipment | £13.00 | approx. $21/€16 Other products in Hand Lenses  related organisations include: British Lichen Society International Association for Lichenology If you are involved in a scientific, conservation or environmental organisation and would like to be listed, please see our NHBS-Xchange information page. |
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