This publication deals with the underlying concepts relating to drainage water management. It first discusses the adequate identification and definition of the problem for the selection and application of a combination of management options. It then presents technical considerations and details…

Water - Source of food security. World Food Day: 16 October 2002

Is a forest with 1 000 species better, and managed better, than a forest with 500 species? This issue of Unasylva looks at issues related to forest biological diversity and its conservation and sustainable use. One of the key messages is that numbers are not the only issue.

The FRA 2000 estimates of forest area and change are largely based on national statistics and inventory reports, which contain detailed information on the forests of individual countries. However, differences among data sets from the various countries can be great owing to the methods applied,…

This publication contains the articles distributed for the subscribers to the first electronic conference on mulberry for animal production, held bewteen May and August 2000. The conference was organized by the FAO Animal Production and Health Division in response to the growing interest in the…

This report contains the proceedings of the first stakeholders meeting held by the Land Degradation Assessment in Drylands (LADA) project, which aims to develop and validate quantitative reproducible assessment methods to make them widely available and to demonstrate and build capacity for their…

This guide on Rural property tax systems in Central and Eastern Europe has been prepared to support governments in the design and implementation of systems to raise revenues at local levels. An increasing number of countries are introducing policies to decentralize the provision of rural…

¿Es mejor, y se administra mejor, un bosque con 1 000 especies que un bosque con 500 especies? Este número de Unasylva trata de cuestiones relacionadas con la diversidad biológica forestal y su conservación y uso sostenible. Una de las conclusiones básicas es que los números no son lo único que…

Temperate broad-leaved trees grow in different ecosystems in the northern and southern hemispheres, but are also found extensively in many tropical and subtropical mountain areas. A wide range of non-wood forest products derived from temperate broad-leaved trees, and their description is…

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…

Statements from FAO's Director-General and the King of Nepal, profiles of mountain issues and activities from countries such as Bolivia, Italy, Kyrgyzstan and Peru, and information on mountain forests, tropical cloud forests and sacred mountains complete Unasylva's foray into the…