Spatial distribution of outbreak of locust swarms: a geographical analysis of vulnerability and preventions in India

Abstract

Current outbreak of locust swarms in the different parts of the world has also emerged as a big problem for the Indian agricultural sector and associated livelihood options. Being known for its transient nature, the locust swarms containing millions of locusts. These swarms are, therefore, one of the most dangerous pests in the world that may have a disastrous impact on food, food crops, fodder and food security around the world. The outbreak has been historically noticed in several regions of the world which effected the agriculture system of the many countries and major cause for the slowdown in the economy. This paper examines the origin and migration trends of locust swarms in the world in general and India in particular.  Also paper evaluates the recent outbreak of locusts in India along with assessing its devastating impact on Indian Agricultural Sector and the track routes of the swarms in India in different months. In the end, the paper highlights preventive measures that have been used in monitoring and preventions of locust swarms. The outbreaks of locust in India is not new, but have been encountered in the past too. The intensity and number of hives and migratory frequency is increasing with time. The Area, magnitude and impacts of the locust swarms is also growing with time and space. Since the outbreak results in social, economic and environmental consequences, therefore, adequate measures and planning are required to tackle the crisis. Keywords:  Locusts, Swarms, Vulnerability, Prevention Measures, Spatial distribution