Larvicidal activity of invasive weed Prosopis juliflora against mosquito species Anopheles subpictus , Culex quinquefasciatus and Aedes aegypti

The spatial distribution of market of an area is a central theme in marketing geography. The market pattern denotes the inter-market spacing from one another. In a uniform geographical condition socioeconomic functions have played instrumental role in the development of market within a region. Inter market distance are largely depends on urbanization rate, consumer behavior, connectivity as well as social opportunities. In this respect a widely known analytical tool i.e. nearest neighbour techniques has been applied. The study reveals that the market distribution of Purba Medinipur district of West Bengal is random. On the other hand blockwise (25 blocks) scenario reveals a different pattern, i.e., in eleven (11) blocks the pattern of market distribution are cluster where as another twelve (12) blocks and two (2) blocks have random and uniform market pattern respectively.