150? VERSION 4 beta, 25/09/2001 & PE DOTRANSFER RULES 2.0 70? Confidence level for: Topsoil organic carbon content. 80? % OF MAP: 1 % High 11 % Moderate 2 % Low 88 % Very low . or unknown confidence level Edited by 1 % Data originates from author . (no pedo transfer interpretation) 1 % No information Non soils 80? 70? 60? 90? 50? 80? 40? 70? 20? 60? Scale 1 : 30 000 000 10? 50? 0 1000 2000 km 0 40? Rule number: 21 (attribute OC_TOP). Last rule update: 29/07/1994 10? 30? Last rule inference: 31/07/2002 20? Plot date: 16/01/2004 ? 2004 Copyright European Soil Bureau, JR C, European Commission This map, nor any part thereof, should not be reproduced in any form, electronic or otherwise, without the express permission of the European Commission Political boundaries are not authoritative.