...effect on air, soil or water. Deforestation: The felling of trees, usually for commercial purposes. Desertification: Land degradation in arid, semi-arid...including climatic variations and human activities. Developed World: Those countries that have industrialized through possessing the means and the technology...

...which could find place in the Preamble. Article 1 Definitions (a) 'Desertification' is a process of land degradation in arid, semi-arid and dry subhumid...resulting from various factors, including climatic variation and human activities. (b) 'Drought' refers to a sustained period of water deficit in particular...

...'desertification' which is defined in Article 1 of the International Convention to Combat Desertification as: 'Land degradation in arid, semi-arid, and dry sub-humid...including climatic variations and human activities'. Desertification as a term has generated considerable confusion owing to its association with the idea...

...INTRODUCTION ARTICLE 1 USE OF TERMS For the purposes of this Convention; (a) "desertification" means land degradation in arid, semi-arid and dry sub-humid...including climatic variations and human activities; (b) "combating desertification" includes activities which are part of the integrated development of...

...vegetation are uncertain. Desertification, as defined by the UN Convention to Combat Desertification, is land degradation in arid, semi-arid and dry sub-humid...including climatic variations and human activities. Desertification is more likely to become irreversible if the environment becomes drier and the soil...

...greater variability in the condition of drylands. Under this definition, desertification is considered "land degradation in arid, semi-arid and dry subhumid...including climatic variations and human activities." Currently, many of the drylands in the world are degraded. Although there is debate about the reliability...

...Takeuchi and Atsushi Tsunekawa INTRODUCTION Desertification is defined by the United Nations (1994) as "land degradation in arid, semi-arid and dry sub-humid...including climatic variations and human activities". Currently, of the world's drylands used for agriculture, 70 per cent are affected to some degree by...

...with desertification The 1994 United Nations Convention on Desertification defines desertification as 'land degradation in arid, semiarid, and dry subhumid...including climatic variations and human activities.' In southern New Mexico, desertification is associated with the loss of semiarid grassland, dominated...

...vegetation are uncertain. Desertification, as defined by the UN Convention to Combat Desertification, is land degradation in arid, semi-arid and dry sub-humid...including climatic variations and human activities. Desertification is more likely to become irreversible if the environment becomes drier and the soil...

...Environment and Development (UNCED) in Rio de Janeiro (July 1992, in Agenda 21): "Desertification is land degradation in arid, semi-arid and dry sub-humid...including climatic variations and human activities." Understanding, assessing, and combating desertification require our ability to differentiate causes,...