00Grazing Prelims 4/9/00 4:11 pm Page i GRAZING ECOLOGY AND FOREST HISTORY 00Grazing Prelims 4/9/00 4:11 pm Page ii For Harm van de Veen ‘The most important message taught by the history of science is the subtle and inevitable hold that theory exerts upon data and observations.’ ‘The greatest impediment to scientific innovation is usually a conceptual lack, not a factual lack.’ (Stephen Jay Gould (1989) Wonderful Life: the Burgher’s Shale and the Nature of History. W.W. Norton & Co., New York, p. 276) 00Grazing Prelims 4/9/00 4:11 pm Page iii Grazing Ecology and Forest History F.W.M. Vera Ministry of Agriculture, Nature Management and Fisheries Strategic Policies Division The Hague The Netherlands CABI Publishing 00Grazing Prelims 4/9/00 4:11 pm Page iv CABI Publishing is a division of CAB International CABI Publishing CABI Publishing CAB International 10 E 40th Street Wallingford Suite 3203 Oxon OX10 8DE New York, NY 10016 UK USA Tel: +44 (0)1491 832111 Tel: +1 212 481 7018 Fax: +44 (0)1491 833508 Fax: +1 212 686 7993 Email:
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