Environmental Change and Response in East African Lakes

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J.T. Lehman
Springer Science & Business Media, Jul 31, 1998 - Science - 236 pages
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The idea for this book was born at the June 1996 meeting of the IDEAL Steering Committee in Milwaukee, Wisconsin. We had just completed a successful and stimulating special symposium during the annual meeting of the American Society for Limnology and Oceanography, and enthusiasm was running high for the production of a volume that could assemble in one place the scientific findings that were starting to emerge from East Africa. IDEAL, an International Decade for the East African Lakes, had ended one round of field investigations, many of which had been centered on Lake Victoria. As the climatologists, geologists, paleolimnologists, and biologists displayed their results and debated interpretations, it appeared that some paradigms were shifting, and that new explanations of climate history and modem processes were taking shape. The Steering Committee endorsed the production of a volume that would draw together the different research results that were emerging and which would be representative of the scope of science issues that exist within IDEAL. This book follows in the spirit of The Limnology, Climatology, and Paleoclimatology of the East African Lakes, published in 1996, but has a somewhat different purpose. The previous publication also included original science results, but it was conceived to review the state of knowledge, identify critical problems, and point to new paths of inquiry. It accompanied the development of our first Science and Implementation Plan for the East African Lakes.
 

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Contents

HISTORY AND ONTOGENY OF IDEAL
1
HISTORICAL FLUCTUATIONS OF LAKE VICTORIA AND OTHER LAKES IN THE NORTHERN RIFT VALLEY OF EAST AFRICA
7
ANCIENT ANALOGUES FOR RECENT ENVIRONMENTAL CHANGES AT LAKE VICTORIA EAST AFRICA
37
INITIAL RESULTS OF 1995 IDEAL SEISMIC REFLECTION SURVEY OF LAKE VICTORIA UGANDA AND TANZANIA
47
ENVIRONMENTAL MAGNETISM OF LATE PLEISTOCENE HOLOCENE SEQUENCES FROM LAKE VICTORIA EAST AFRICA
59
IMPLICATIONS FOR LAKE LEVEL HISTORY AND INITIATION OF THE VICTORIA NILE
75
ROLE OF APATITE WEATHERING IN THE EUTROPHICATION OF LAKE VICTORIA
89
MIXING DEPTH AND CLIMATEDRIVEN CONTROL OF LAKE CONDITION
99
IMPLICATIONS FOR REFUGE FROM NILE PERCH PREDATION
125
IMPLICATIONS FOR TROPHIC DYNAMICS OF THE MODERN LAKE
135
ABRUPT CLIMATIC CHANGES ASSOCIATED WITH THE ARID YOUNGER DRY AS INTERV AL IN AFRICA
147
LAKES ALBERT AND EDWARD
157
COMPARISON OF ISOTOPIC RECORDS IN ABIOGENIC AND BIOGENIC CALCITE FROM LAKE TURKANA KENYA
173
A COMPARISON BETWEEN THE STABLE ISOTOPIC COMPOSITION OF EARLY HOLOCENE AND LATE PLEISTOCENE CARBONATES FR...
191
A SYNTHESIS OF GEOLOGICAL ARCHAEOLOGICAL AND HISTORICAL INFORMATION
207
INDEX
233

SPATIAL DISTRIBUTION AND EGG PRODUCTION IN LAKE VICTORIA UGANDA
117

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