Une forêt qui renferme 1 000 espèces est-elle meilleure et mieux gérée qu'une forêt qui ne contient que 500 espèces? Unasylva consacre son numéro à la diversité biologique des forêts et à sa conservation et sa gestion durable. L'un des points cardinaux de son message est que le nombre…
According to an estimate made by the International Network for Bamboo and Rattan (INBAR), the global local usage of rattan is worth US$ 2.5 billion and external trade of rattan is estimated to generate US$ 4 billion. Seven hundred million people worldwide use rattan. Most of the raw material for…
Living aquatic resources play a fundamental role in sustaining the livelihoods of many of the rural poor in Asia, providing crucial buffers to shock and food insecurity, and offering opportunities for diverse and flexible forms of income generation. As with any production-based intervention, the…
This case study is one of a series of publications produced by the Forest Harvesting, Trade and Marketing Branch of FAO in an effort to promote environmentally sound forest harvesting and engineering practices. The purpose of these studies is to highlight both the promise of environmentally…
A report of the proceedings of the October 2001 regional consultation on the above theme, the document explains the urgent need for arresting and reversing the decline in investment in land and water development in Asia-Pacific countries. Land and water investment priorities include coping with…
El estado mundial de la agricultura y la alimentación 2002 es el informe anual de la FAO sobre los acontecimientos y cuestiones actuales relacionados con la agricultura mundial. Se realiza en él un seguimiento de la situación de la agricultura mundial, así como de su entorno económico general, y…
l'eau - source de sécurité alimentaire Journée mondiale de l'alimentation: 16 octobre 2002
Analyses the participation of female farmers in the farmer organizations (FO) of minor irrigation systems and identifies factors that hamper the participation of women in decision-making processes with regard to land, cultivation and irrigation. The paper argues that participation does not…
This report is based on the Taiwan's irrigation systems.The first part of this report gives a brief introduction to the Taiwan irrigation systems. Based on the visit and discussions by two IWMI staff members from 25 September to 4 October 2000 with the Association Managers, staff of the…
Discusses and illustrates concepts for identifying ways of improving productivity of water within basins. The results of applying a water accounting procedure to four sub-basins in South Asia (Bhakra in India; Chishtian in Pakistan; Huruluwewa in nothern Sri Lanka; and Kirindi Oya in southern…
Changes in the way water is used in one part of a river basin often affect how water is used somewhere else in that basin. This report introduces the concept of hydronomic ( hydro water + nomus management) zones that were developed to help untangle some of the complexities of basin-wide water…