Abstract:
The study showed the subject of adaptation mechanisms of plants in arid and semi-arid, and the researcher has adopted the descriptive and analytical and statistical methodology, as well as the historical significance, in addition to the approach of political ecology, and ecosystem approach, also adopted a paper on the survey. The research found that the rain and the heat and light of the most important elements of the climate affect either directly or indirectly, in the life of the plants, although the lack of rain and lack of effectiveness is one of the factors leading to the occurrence of drought and the formation of what is known as drought agricultural or climate in the study area, and characterized the plants characteristics of biological weapons to cope with environmental stress, which exposed in arid and semi-arid through modulations of biological and morphological and anatomical, and there are environmental factors influential (climate, biome, topography and type of sandy soil) The awareness of environmental and agricultural production (natural and artificial) of the most important solutions to protect the environment in the region. the study recommended an increase of farming to Neem and Samar trees to the suitability of the areas of arid and semi-arid. [
