The Impact of Species Changes in African Lakes PDF Download
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Author: P. Hart
Publisher: Springer Science & Business Media
ISBN: 9401105634
Category : Science
Languages : en
Pages : 610
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Book Description
The African lakes are an extremely important ecosystem and the subject of much study relating to species introductions and loss of biodiversity. This book provides a thorough review of the whole subject and will be of great interest to fish biologists, fisheries workers, ecologists, environmental scientists and conservationists.
Author: P. Hart
Publisher: Springer Science & Business Media
ISBN: 9401105634
Category : Science
Languages : en
Pages : 610
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Book Description
The African lakes are an extremely important ecosystem and the subject of much study relating to species introductions and loss of biodiversity. This book provides a thorough review of the whole subject and will be of great interest to fish biologists, fisheries workers, ecologists, environmental scientists and conservationists.
Author: Beverly Peterson Stearns
Publisher: Yale University Press
ISBN: 9780300084696
Category : Nature
Languages : en
Pages : 300
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Book Description
Annotation In this mesmerizing series of interviews with dedicated people who work to save endangered species throughout the world, an alarming truth emerges: the obstacles of human politics, greed, corruption, folly, and hypocrisy can present as much danger to a species' survival as biological causes. The dramatic lessons of this book shed new light on the problems of declining species and offer hope that we may yet change their fate.
Author: Ernst Mayr
Publisher: Harvard University Press
ISBN: 9780674896666
Category : Science
Languages : en
Pages : 582
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Book Description
A collection of twenty-eight essays, five previously unpublished, grouped into nine categories: Philosophy, Natural Selection, Adaptation, Darwin, Diversity, Species, Speciation, Macroevolution, and Historical Perspective. The book, Ernst Mayr notes in the Foreword, is an attempt "to strengthen the bridge between biology and philosophy, and point to the new direction in which a new philosophy of biology will move."
Author: Yunus D. Mgaya
Publisher: Springer
ISBN: 3319696564
Category : Science
Languages : en
Pages : 289
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Book Description
This book synthesises the historical trends of the lake fisheries, the lake ecology, biology and biodiversity, socio-economics, stock assessment, aquaculture, fish quality assurance, environmental quality and management of the fisheries resources. The evolution of fisheries in Lake Victoria has undergone dramatic changes over the last few decades, leading to both ecological and socio-economic consequences. The lake has changed from one dominated by haplochromines in the 1950s, to one currently dominated by Nile perch, ‘dagaa’ (Rastrineobola argentea) and Nile tilapia. These changes have mainly been driven by the introduction of the predatory Nile perch in the lake, eutrophication due to increased human activities in the catchment, increased human population growth, overfishing and changes in the global climate system. This work should therefore be a particularly useful reference to fisheries scientists and managers, potential investors, students and other professionals who may be interested in the Lake Victoria fisheries.
Author: T.J. Pitcher
Publisher: Springer Science & Business Media
ISBN: 9780412550508
Category : Nature
Languages : en
Pages : 644
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Book Description
This important book covers the impact of species changes engendered by the introduction of fish species, impoundment and heavy exploitation. Aspects considered include reduction of biodiversity, the conservation of unique endemic fauna, the assessment of changes in habitat, species and genetic diversity, the evaluation of economic wealth generated by new fisheries, sustainability and social equity, and comparative forecasts from a range of management scenarios.
Author: Henri J. Dumont
Publisher: Springer Science & Business Media
ISBN: 1402097263
Category : Science
Languages : en
Pages : 819
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Book Description
What have we learnt about the Nile since the mid-1970s, the moment when Julian Rzóska decided that the time had come to publish a comprehensive volume about the biology, and the geological and cultural history of that great river? And what changes have meanwhile occurred in the basin? The human popu- tion has more than doubled, especially in Egypt, but also in East Africa. Locally, industrial development has taken place, and the Aswan High Dam was clearly not the last major infrastructure work that was carried out. More dams have been built, and some water diversions, like the Toshka lakes, have created new expanses of water in the middle of the Sahara desert. What are the effects of all this on the ec- ogy and economy of the Basin? That is what the present book sets out to explore, 33 years after the publi- tion of “The Nile: Biology of an Ancient River”. Thirty-seven authors have taken up the challenge, and have written the “new” book. They come from 13 different countries, and 15 among them represent the largest Nilotic states (Egypt, Sudan, Ethiopia, Uganda, and Kenya). Julian Rzóska died in 1984, and most of the - authors of his book have now either disappeared or retired from research. Only Jack Talling and Samir Ghabbour were still available to participate again.
Author: Ole Seehausen
Publisher:
ISBN: 9789080018167
Category : Cichlids
Languages : en
Pages : 304
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Book Description
Author: Will Darwall
Publisher: IUCN
ISBN: 2831711266
Category : Nature
Languages : en
Pages : 131
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Book Description
CD ROM to accompany this book available from Library Office.
Author: Frans Witte
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 424
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Book Description
"The results of eighteen years research on the fisheries of Lake Victoria are presented here in a single volume. The introduction is followed by sections dealing successively with fish and fisheries, methodologies for sampling, gear and boats, methods for monitoring fish stocks, management and processing of data, fishery statistics and methods for monitoring the fishery. It, therefore, proceeds logically from fish to fisherman, passing through the scientific administrative steps needed to acquire and interpret the data necessary to ensure good management. The main body of the text is complemented by appendices which provide specific biological information on the major fish species of Lake Victoria, including a detailed key."--BOOK JACKET.
Author: J. B. Okeyo-Owuor
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 64
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Book Description
