Documento de trabajo sobre la tenencia de la tierra 20. Este documento analiza las características del régimen comunal y su función en el sistema de gestión de los recursos naturales en diferentes contextos de algunos países asiáticos. Las presiones actuales del mercado sobre los recursos…

到2050年，全球范围内的粮食产量预计需要再递增70%左右，而在发展中国家这一比例将近100%。面对粮食增产的这一需求，再加上其他领域需求的争夺，使全球许多农业生产系统纷纷置于前所未有的压力之下。这些“濒临系统”正处于愈演愈烈的水土资源大战之中，而且还经常受到不可持续的农耕方式的掣肘。因此，需要对其特别注意并采取具体的救助措施。《世界粮食和农业领域土地及水资源状况》（SOLAW）就这些高危领域如何克服制约因素并改善资源管理探讨了多种方案。在每一个领域，除了要在制度和政策上作出一些列调整外，还必须将其与扩大技术应用结合起来，以获得更好的水土资源管理效果。另外，加大投资力度、…

Document de travail sur les régimes fonciers 20. Ce document analyse les caractéristiques des systèmes de propriété communale dans divers pays d’Asie. Les pressions actuelles du marché sur les ressources naturelles créent à la fois des défis et des opportunités pour les communautés et pour les…

In this report the authors aim to assess and evaluate historic and current changes in land use and forestry at the national and sub-national level in Sri Lanka. Different drivers, policies and data related to forest and land use are assessed to explore factors that have contributed to changes.…

There is ample evidence to suggest that Sri Lanka?s climate has already changed. However, the bigger question of national importance is what Sri Lanka?s climate will look like in 50 or 100 years and how prepared the country is to face such changes. This report reviews the status of climate…

This is the first volume on the proceedings of the national conference on ?Water for Food and Environment?, which was held from June 9?11, 2009 at the Bandaranaike Memorial International Conference Hall (BMICH). The volumes two and three have been produced as separate documents of this report…

This is the third volume of the proceedings of the national conference on ?Water for Food and Environment?, which was held from June 9 ?11, 2009 at the Bandaranaike Memorial International Conference Hall (BMICH). The volumes 1 and 2 have been produced as separate documents of this report series…

Wetlands are habitats with temporary or permanent accumulation of water. The degradation and loss of wetlands is more rapid than that for other ecosystems, and wetland-dependent biodiversity in many parts of the world is in continuing and accelerating decline. They have been confirmed to deliver…

As water becomes scarcer in many countries, governments increasingly have to deal with the considerable challenges of water management. Sound information on water vailability and use is key to shaping water policies that aim to provide equitable and sustainable use of increasingly scarce water…

Farmers are in a continuous process of, individually and as community groups, adjusting to the observed variability in climate parameters. Climate shocks are considered by farmers in their decision-making as factors affecting risk and uncertainty, and farmers make their choices so as to minimize…