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The ichthyofauna of reservoirs of Washim district basically represents the fish faunal diversity. Indian reservoir preserve a rich variety of fish species, on the basis of studies conducted so far, large reservoirs on an average herbivore 60 species of fishes, of which 40 species contribute to the commercial fisheries. Indian major carps occupy a prominent place among the commercially important fishes. More recently, number of exotic species has contributed substantially to commercial fisheries. Being basically a carp country both the indigenous and exotic carps, catla, rohu, mrigal, silver carp, grass carp and common carp, account for a great bulk of the production. Catfishes dominate in some of reservoirs in India. During recent years there has been increasingly greater concern for inland fresh water resources, which are affected in different ways by all kinds of human activities. The man made lakes are but one such example of water resources, which form a part of a still larger system, the watersheds. Any human activity in the whole of the watershed is bound to influence the water in the reservoir and downstream. Deforestation, grazing and otherwise removal of vegetal in the watershed generally results in accelerated silting of the reservoir. The agricultural practices in the catchments area not only help increased silting but also responsible for addition of large quantities of nutrients, pesticides and organic matter, brought to the reservoir by the runoff through the stream. Not only the water quality in the reservoir is affected but its impact can also be left in the change in the biota, soil properties and physico-chemical status.
Proceedings of "16th All India Congress of Zoology and National Symposium or Recent Advances in Animal Research with Special Emphasis on Invertebrates" held at Hyderabad during 21st-23rd October, 2005.
Swimming is an integral part of the life history of many fish species as is intimately linked with their ability to express feeding and predator avoidance behaviors, habitat selection and environmental preferences, social and reproductive behaviors as well as migratory behaviors. Therefore, swimming is an important determinant factor of fitness in a true Darwinian sense and, not surprisingly, swimming performance has been often used as a measure of physiological fitness in fish. The main aim of this Research Topic is to showcase some of the current studies designed to improve our understanding of the physiological energetic and metabolic requirements of swimming and of the adaptive responses to swimming in fish.
India has made phenomenal progress in inland fisheries sector. Major inland fisheries resources of country comprise 1) capture fisheries of rivers, lakes and estuaries 2) culture fisheries of the ponds and tanks and 3) capture-cum-culture fisheries of reservoirs and oxbow lakes. According to various reports, 80-85 per cent of our total inland fish production comes from capture fisheries resources. Development of inland fisheries as a means to increase the availability of proteinous food for the masses and to create employment opportunities for a wide section of our society has long been recognized. The last fifty years have witnessed concerted efforts by the central and state governments to increase productivity from inland water bodies, mainly through the development of a number of scientific management norms for different aquatic biotopes. The indigenous technologies developed at various Research and Development organizations have played a vital role in ushering in the fish boom in the country. The book entitled "Inland Fisheries" has been written with the intention to meet the needs of fisheries graduate as well as post-graduate students. This book is also a very important document for the fisheries scientists and professionals engaged in inland fisheries research. The book is divided in thirty chapters. The language of the book is simple and lucid. The subject matter has been explained with the help of finely drawn, simple and well labelled diagrams. Wherever necessary, tables have been given for clear understanding of the subject.
The combination of multidisciplinary research in plants, animals, microorganisms and their interactions with molecular biology, genetic engineering approaches and advances in cell biology research has broadened the horizons of the life sciences. This book deals with recent trends in the life sciences and will be beneficial for postgraduate students and researchers.