Abstract
This work presents a systematic review of relevant literatures centered on the deforestation, desertification climate change hazards and agriculture related problems caused as a result of these natural and human activities with the hope of understanding the situation for better way out. Findings revealed that desertification affects about one sixth of the world’s population, 70% of all dry lands, amounting to 3.6 billion ha, and one quarter of the total land area of the world. The worsening problem of desertification is quite glaring that an estimate of between 50 % and 75 % of Adamawa, Bauchi, Borno, Gombe, Jigawa, Kano, Katsina, Kebbi, Sokoto, Yobe, and Zamfara states in Nigeria are affected by desertification and are particularly vulnerable to wind erosion due to land clearing for agricultural purposes such as grazing, planting of crops, demand for woods, mining, growth of urbanization and development of infrastructures. Desert encroachment as a degradation of land in arid, semi-arid and sub-humid dry areas caused mainly by climatic changes and human activities; In Nigeria, the dry land parts of the country are more prone to desertification. However, climate change causes uncertainties and variation in the pattern of rainfalls, high temperatures, floods and farmlands destruction, pests and diseases. Leading to irregular and unpredictable rains and increase in sunshine hours, crops and livestock failures as well as food insecurity in general. It was suggested therefore that effective policy and planning measures should be put in place in order to overcome these problems.Keywords: Deforestation, desert encroachment, climate change, agriculture
Highlights
This work presents a systematic review of relevant literatures centered on the deforestation, desertification climate change hazards and agriculture related problems caused as a result of these natural and human activities with the hope of understanding the situation for better way out
It is a major threat to agricultural system and food security in many countries in sub-Saharan Africa (Nigeria inclusive) is dependent on weather
*Corresponding Author; Email: Isamagajiazare@gmail.com market (National Aeronautics and Space Administration [NASA], 1998). eforestation in Nigeria has been mainly attributed to the grassroots poor people who means of survival were basically embedded in the forests but on the other hands are been denied access to these resources
Summary
This work presents a systematic review of relevant literatures centered on the deforestation, desertification climate change hazards and agriculture related problems caused as a result of these natural and human activities with the hope of understanding the situation for better way out. It is a major threat to agricultural system and food security in many countries in sub-Saharan Africa (Nigeria inclusive) is dependent on weather.
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