PLEC NEWS AND VIEWS No. 19 MARCH 2002 PRINCIPAL SCIENTIFIC COORDINATOR’S REPORT NEW SCIENTIFIC COORDINATOR OF PLEC CONGRATULATIONS TO LIANG LUOHUI 1 1 THREE MAIN EVENTS 1 The International Symposium on Managing Biodiversity in Agricultural Ecosystems, Montreal 8–10 November 2001 PLEC papers presented 2 NATIONAL MEETINGS THE GENERAL MEETING IN NEW YORK THE EVALUATION AFTERWARDS 5 5 5 5 NEW BOOKS 2 6 Helen Parsons PAPERS BY PROJECT MEMBERS Scaling up a PLEC demonstration site for the national pilot programme: a case example of a Hmong Njua village in northern Thailand Charal Thong-Ngam, Thamanoon Areetham, Prasong Kaewpha, Songsak Thepsarn, Narit Yimyam, Chavalit Korsamphan and Kanok Rerkasem 7 Promoting agrobiodiversity under difficulties: the Jamaica-PLEC experience Elizabeth Thomas-Hope and Balfour Spence 17 A discussion with some Chinese expert farmers Liang Luohui 25 PLEC on steep slopes: the ‘sustainable livelihoods’ approach Michael Stocking 27