Food security and ecosystem services in a changing world: it is time for agroecology Author Tittonell P. Monograph Agroecology for food security and nutrition.Proceedings of the FAO International Symposium Date 2015 Source IUCN (ID: ANA-090325) Publisher | Place of publication FAO | Rome, Italy ISBN 978-92-5-1088-07-4 Pages p.16-35 Document type Chapter in monography Conference name | place | date FAO International Symposium | Rome, Italy | 18-19 September, 2014 Language English Field of application International Subject Agricultural & rural development, Food & nutrition Keyword Food security Agricultural development Agriculture and environment Ecosystem preservation