The Limnological, Climatology and Paleoclimatology of the East African Lakes
Environmental Change and Response in East African Lakes
edited by
John T. Lehman
University of Michigan, Ann Arbor, USA
MONOGRAPHIAE BIOLOGICAE
Volume 79
The International Decade for the East African Lakes (IDEAL) has completed its first phase of field studies, and has assembled in this volume its findings, ranging from seismic reflections to historical drought chronologies, geochemistry, and modern food web processes. Multidisciplinary IDEAL investigations are summarized and integrated, revealing that modern changes in the East African lakes share a continuity with past variations in climate and environmental conditions. Results from an array of disciplinary perspectives and evidentiary lines point to the causative role of modern climate variation in the deterioration of Lake Victoria, one of the most prominent lakes on the planet.
The ancient conditions of Victoria and other East African lakes are reconstructed with forensic tools that permit measurements of paleomagnetism, pollen and algal fossils, biogenic minerals, depositional carbonates, and bulk geochemistry. Oral traditions, explorer's journals, and records of the ancient Nile provide human testimonies that parallel the physical record. Studies of biological production, nutrient dynamics, and lower food web processes reveal how the lake communities function at the trophic levels that leave sedimentary evidence in the form of organic matter, minerals, and fossils. Comparisons of weather records and lake properties demonstrate a striking change in climate conditions during the present century with causal links to lake conditions. The collected scientific perspective makes a compelling case for the worth of integrated studies across a spectrum of traditional specialties when they are focused on complex environmental issues. (text from the Kluwer Web site)
Kluwer Academic Publishers, Dordrecht
Hardbound, ISBN 0-7923-5118-5
July 1998, 250 pp.
NLG 205.00 / USD 110.00 / GBP 70.00
To order this book or look at its contributors and contents go to http://www.wkap.nl/prod/b/0-7923-5118-5
The East African Great Lakes: Limnology, Palaeolimnology and Biodiversity
edited by
Eric O. Odada and Daniel O. Olago
Pan African START Secretariat, Dept. of Geology, University of Nairobi, Kenya
Advances in Global Change Research
Volume 12
This volume contains original research papers presented during the Second International Symposium on the Limnology, Climatology, Palaeoclimatology and Biodiversity of the African Great Lakes, organized by the International Decade for the East African Lakes (IDEAL). The book provides a comprehensive coverage of the large lakes of the African Rift System, touching on climate, limnology, palaeoclimatology, sedimentation processes, biodiversity and management issues of these lakes.
The papers contained in this book have significantly advanced our understanding of natural and anthropogenic processes operating in the African Great Lakes, their temporal and spatial variability, their rates of change, and the linkages between environmental and ecological systems. For example, Lake Victoria has undergone dramatic shifts in the lake ecosystem caused by the introduction of the Nile Perch in the 1950s and of the water hyacinth during the past five years. The lake also dried up completely prior to 12,400 yr BP. Thus, the hundreds of species of fish in modern Lake Victoria may have evolved within the last 12,400 years; this is the fastest rate of vertebrate species evolution ever recorded.
This volume provides a comprehensive and comparative view of large African lake systems such as Lakes Victoria, Tanganyika and Malawi. It serves as a basis for understanding the lakes' system history and sensitivity to processes of change, thus providing an essential tool for decisions related to the sustainable management of such precious resources. This book has been written to be of interest to a wide audience, including limnologists, palaeoclimatologists, evolutionary biology students and researchers, as well as people generally interested in the aquatic environment. (text from the Kluwer Web site)
Kluwer Academic Publishers, Dordrecht
Hardbound, ISBN 1-4020-0772-8
July 2002 , 598 pp.
EUR 150.00 / USD 138.00 / GBP 95.00
To order this book or look at its contributors and contents go to http://www.wkap.nl/prod/b/0-7923-5118-5

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