Artikelname: A Field Guide To Caterpillars of the Butterflies of Britain and Ireland
Artikelbeschreibung: Butterflies have four stages in their life cycle (egg – caterpillar – pupa – butterfly). This guide shows the caterpillars of 57 of our butterfly species, the butterflies are illustrated in A guide to butterflies of Britain. This guide concentrates on the distribution, food plants and life cycle of each species described. A superb guide to take into the field that will enable you to all the British species without having to spend a lot of money on a book.

Artikelname: Churchyard Lichens
Artikelbeschreibung: This 8-panel laminated fold-out chart will help you identify over fifty of the commonest lichens found in lowland churchyards in Britain. The lichens are grouped according to growth form and the guide has contains simple illustrated lichen identification keys.

Artikelname: Lichens of Rocky Shores
Artikelbeschreibung: This folding chart is designed to help in the recognition of the commoner species of lichen that are found on a rocky seashore. The lichens depicted grow mainly on hard acid rocks such as sandstone or granite.

Artikelname: Lichens on Heaths & Moors
Artikelbeschreibung: This new fold-out chart covers 62 of the species found on heaths and moors, organised into species that grow on the ground, among grasses and mosses, on heather, and on small rocks and pebbles. Lichens are present throughout the year and may be searched for at any time. On moors and heaths lichens are most abundant in nutrient-poor situations where they are not overgrown by grasses. On rocks and pebbles, most of the species included will be found on the more exposed surfaces where they obtain the maximum light.

Artikelname: Lichens on twigs
Artikelbeschreibung:

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.

Artikelname: Urban Lichens on Stone and Soil
Artikelbeschreibung: This is a good time to look at urban lichens, as levels of sulphur dioxide, air pollution and acid rain have been falling rapidly. Many leafy lichens are growing in sites in central London where they may not have been present for 200 years.The second urban lichens fold-out chart concentrates on the lichens found growing on stone and soil. The chart is illustrated with 49 colour photographs and includes an easy-to-use visual lichen identification key.

Artikelname: Urban Lichens on Trees & Wood
Artikelbeschreibung: This is a good time to look at urban lichens, as levels of sulphur dioxide, air pollution and acid rain have been falling rapidly. Many leafy lichens are growing in sites in central London where they may not have been present for 200 years.The first urban lichens fold-out chart concentrates on the lichens found growing on trees and wood. The chart is illustrated with 49 colour photographs and includes an easy-to-use visual lichen identification key.