In this paper options for changing the incentive structure to reduce unsustainable groundwater consumption in Yemen are evaluated. Special attention is paid to incentives that decrease the profitability of irrigation water use and subsidies on improved irrigation technology. Although the…
Spate irrigation, a floodwater harvesting and management system, has for the past 70 centuries provided a livelihood for about 13 million resource-poor people in some 20 countries. Despite being the oldest, the system still remains the least studied and the least understood. It is only in the…
استقصاء النظام العالمي للمعلومات بشأن المياه والزراعة - 2008
Land Tenure Working Paper 20. This paper presents an analysis of communal tenure and its role for natural resource management system, in different contexts of selected Asian countries. The current market driven pressures on natural resources create both challenges and opportunities for…
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…
This edition of The State of the World’s Land and Water Resources for Food and Agriculture presents objective and comprehensive information and analyses on the current state, trends and challenges facing two of the most important agricultural production factors: land and water. Land and water…
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…
This will ensure more sustainable ecosystems and improved rural livelihoods. Emphasis is given to building on local knowledge by using existing data, social capital, research linkages, partnerships and proven methodologies and technologies in the region thereby ensuring the sustainability of the…
The main aim of the article is to understand the trend in production and consumption of vegetables in Yemen within the period 1995-2009, and to understand the distribution of the production in the country by governorate. The production of vegetables is concentrated in six governorates (Hodeidah…