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Limnology, Climatology and Paleoclimatology of the East African Lakes (Paperback): Thomas C. Johnson, Eric O. Odada Limnology, Climatology and Paleoclimatology of the East African Lakes (Paperback)
Thomas C. Johnson, Eric O. Odada
R1,857 Discovery Miles 18 570 Ships in 9 - 15 working days

The large lakes of the East African Rift Valley are among the oldest on Earth, and are vital resources for the people of their basins. They are unique among the large lakes of the world in terms of their sensitivity to climatic change, rich and diverse populations of endemic species, circulation dynamics and water-column chemistry, and long, continuous records of past climatic change. A comprehensive study of the large African lakes is long overdue. The scientific justification for such an effort is noted in the previous paragraph and is illustrated in great detail in this volume. Societal need for the sustainable utilization of these lakes offers an even more compelling reason for examination of biological food webs, water quality, and past climate variability in East Africa. The lakes provide the most important source of protein for the people of the African Rift Valley, and fish populations are shifting dramatically in response to fishing pressure, introduction of exotic species, land use impact on water quality, and perhaps climatic change. Current estimates of primary productivity, the underpinning of the food resource, are extremely crude and based on only a few spot measurements.

Limnology, Climatology and Paleoclimatology of the East African Lakes (Hardcover): Thomas C. Johnson, Eric O. Odada Limnology, Climatology and Paleoclimatology of the East African Lakes (Hardcover)
Thomas C. Johnson, Eric O. Odada
R7,948 Discovery Miles 79 480 Ships in 12 - 17 working days

IDEAL, the International Decade for East African Lakes, is a ten-year multi-national, multi-disciplinary investigation of the biological, geological, chemical, and physical limnology of the East African Lakes, taking into special account the Great Lakes of the East African Rift Valley and the climatology and paleoclimatology of the Rift Valley itself. The selected papers in this book serve as baseline knowledge for this intensive examination, with most of the contributing authors already actively researching these lakes. The oldest in the world and the largest on the continent, the lakes are vital resources for the indigenous populations of their basins. They are unique not only in their diverse populations of endemic species of fish and invertebrates, but in their sensitivity to climatic change, unusual circulation dynamics and water-column chemistry in relation to higher altitudes, and continuous record of climatic change in tropical Africa. This volume provides an overview of our current knowledge of the lakes combined with the most recent results of specific research efforts by African, American, and European investigators. Included also are some discussions on the impact of man, as well as comprehensive bibliographies.

No Greater Burden - A Seeker's Perspecive of Anabaptist Culture (Paperback): Thomas C. Johnson No Greater Burden - A Seeker's Perspecive of Anabaptist Culture (Paperback)
Thomas C. Johnson
R259 Discovery Miles 2 590 Ships in 10 - 15 working days
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