Overlays of environmental and other factors for use with Biological Records Centre distribution maps.
Biological Records Centre (Institute of Terrestrial Ecology)
Cambridge : Institute of Terrestrial Ecology,
1978.
Cover title.
"Twelve" [map] overlays ... to help in the interpretation of distribution maps in Biological Records Centre atlases"--P. 2 of cover.
Scale of maps ca. 1:5,500,000.
Issued in portfolio.
Errata slip laid in.
Altitude --Geology -- Rivers -- Upland moorland -- Western oakwoods -- February minimum temperature -- January mean temperature -- July mean temperature -- Annual rainfall -- Rain [i.e. wet] days -- Vice-county boundaries -- County boundaries.
Ecology
Zoology
Phytogeography