Overview

Geography is a multidisciplinary subject, and is gaining much importance. Geography ha: become an extremely varied, versatile and high empirical discipline, and its area of study has grown a great deal since its inception. Harvey (1969) opines that geography is concerned with the description and explanation of the areal differentiation on the earth's surface Growing human population is responsible for increasing demand for resources. The available resources are scarce in nature, on the one hand, and the population is growing rapidly on the other. Hence, it is the need of the hour to adopt the optimum utilization concept for effective conservation and management of resources. Fish has become an important source of food for many centuries. Even today it is also the prime source of food substances in many coastal countries in the world. Earlier fish capturing was practiced by man with traditional methods. Today, the modern means of technology are at man's disposal. As a result, modernization has been adopted along with traditional methods. Mechanization is adopted only in marine fishing, and traditional methods are practiced not only in aquaculture but also in marine fishing activities. The high level mechanization is found in the technically advanced countries and viceversa. Fishing is one of the extractive occupations of man. It is older than agriculture. Fish provides the easiest available food for man. However, fishing is unusually difficult and does not provide lively hood for many people. It hardly absorbs less than 2 percent of the worlds labour force. Fish provides an inexhaustible source of food supply due to its incredible capacity for multiplying. Thus, marine life has to play an important role as a domestic food of man kind in future, whatever the pressure of population. This book is the net outcome of research work Ph.D. thesis submitted to Karnataka University Dharwad. Hope this book would be useful to thestudents community at UG and PG level of all disciplinesand publicin general.

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