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Author : Abebe Getahun
Publisher :
ISBN 13 : 9789994452446
Total Pages : 140 pages
Book Rating : 4.4/5 (524 download)
Download or read book Fishes of Lake Tana written by Abebe Getahun and published by . This book was released on 2012 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Krystyna Stave
Publisher : Springer
ISBN 13 : 3319457551
Total Pages : 645 pages
Book Rating : 4.3/5 (194 download)
Download or read book Social and Ecological System Dynamics written by Krystyna Stave and published by Springer. This book was released on 2017-04-06 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a social—ecological system description and feedback analysis of the Lake Tana Basin, the headwater catchment of the Upper Blue Nile River. This basin is an important local, national, and international resource, and concern about its sustainable development is growing at many levels. Lake Tana Basin outflows of water, sediments, nutrients, and contaminants affect water that flows downstream in the Blue Nile across international boundaries into the Nile River; the lake and surrounding land have recently been proposed as a UNESCO Biosphere Reserve; the basin has been designated as a key national economic growth corridor in the Ethiopian Growth and Transformation Plan. In spite of the Lake Tana Basin’s importance, there is no comprehensive, integrated, system-wide description of its characteristics and dynamics that can serve as a basis for its sustainable development. This book presents both the social and ecological characteristics of the region and an integrated, system-wide perspective of the feedback links that shape social and ecological change in the basin. Finally, it summarizes key research needs for sustainable development.
Author : Henri J. Dumont
Publisher : Springer Science & Business Media
ISBN 13 : 1402097263
Total Pages : 819 pages
Book Rating : 4.4/5 (2 download)
Download or read book The Nile written by Henri J. Dumont and published by Springer Science & Business Media. This book was released on 2009-05-06 with total page 819 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 :
Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4./5 ( download)
Download or read book Marketing Systems for Fish From Lake Tana, Ethiopia: Opportunities for Improved Marketing and Livelihoods written by and published by ILRI (aka ILCA and ILRAD). This book was released on with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alayu Yalew Teferra
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783848448715
Total Pages : 68 pages
Book Rating : 4.4/5 (487 download)
Download or read book Development in Catch and Efforts in Lake Tana Fisheries, Ethiopia written by Alayu Yalew Teferra and published by LAP Lambert Academic Publishing. This book was released on 2012-03 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fish communities in Ethiopian fresh water systems vary according to the different river basins and environmental conditions. Lake Tana is one of the few African lakes which have not yet been damaged by introduced fish species. Prior to 1986 Lake Tana fisheries consisted of only artisanal, predominantly subsistence reed boat fishery. This type of fishery is limited to the shore areas and targets of the native Nile tilapia (Oreochromis niloticus), beso (Varicorhinus beso) and Labeobarbus using locally made fish traps and small gillnets. For this study the catch and effort records of the three commercial fish species in Lake Tana was used for the analysis. This book describes research findings on the developments of catch and effort in the Lake Tana fisheries and variations of fish stock biomass of this largest Ethiopian Lake between the two periods.
Author : T.J. Pitcher
Publisher : Springer Science & Business Media
ISBN 13 : 9780412550508
Total Pages : 644 pages
Book Rating : 4.5/5 (55 download)
Download or read book The Impact of Species Changes in African Lakes written by T.J. Pitcher and published by Springer Science & Business Media. This book was released on 1995-11-30 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Yunus D. Mgaya
Publisher : Springer
ISBN 13 : 3319696564
Total Pages : 289 pages
Book Rating : 4.3/5 (196 download)
Download or read book Lake Victoria Fisheries Resources written by Yunus D. Mgaya and published by Springer. This book was released on 2017-11-28 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Belay Abdissa
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659321894
Total Pages : 100 pages
Book Rating : 4.3/5 (218 download)
Download or read book Effect Of Temperature On Lake Tana Labeobarbus Intermedius Fish written by Belay Abdissa and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Tana have about 15 unique fish species of Cyprinidae family which is endemic to our planet. Unfortunately these fish species face danger of extinction due to human activities at their breeding ground. In order to tackle the incoming danger artificial breeding of these unique species will be at stake. So this research carried on as a prerequisite which temperature regime is preferable by the fish for artificial breeding and restocking of the natural system of the lake.
Author : Dan Egan
Publisher : W. W. Norton & Company
ISBN 13 : 0393246442
Total Pages : 384 pages
Book Rating : 4.3/5 (932 download)
Download or read book The Death and Life of the Great Lakes written by Dan Egan and published by W. W. Norton & Company. This book was released on 2017-03-07 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: New York Times Bestseller Winner of the Los Angeles Times Book Prize Winner of the J. Anthony Lukas Award "Nimbly splices together history, science, reporting and personal experiences into a taut and cautiously hopeful narrative.… Egan’s book is bursting with life (and yes, death)." —Robert Moor, New York Times Book Review The Great Lakes—Erie, Huron, Michigan, Ontario, and Superior—hold 20 percent of the world’s supply of surface fresh water and provide sustenance, work, and recreation for tens of millions of Americans. But they are under threat as never before, and their problems are spreading across the continent. The Death and Life of the Great Lakes is prize-winning reporter Dan Egan’s compulsively readable portrait of an ecological catastrophe happening right before our eyes, blending the epic story of the lakes with an examination of the perils they face and the ways we can restore and preserve them for generations to come.
Author : Claudiu Tudorancea
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ethiopian Rift Valley Lakes written by Claudiu Tudorancea and published by . This book was released on 2002 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brook Lemma
Publisher :
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.F/5 ( download)
Download or read book Introduction to Lake Ecology, Aquaculture, and Fisheries in Ethiopia written by Brook Lemma and published by . This book was released on 2008 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ann Gordon
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (245 download)
Download or read book Marketing Systems for Fish from Lake Tana, Ethiopia written by Ann Gordon and published by . This book was released on 2007 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter J. Rainboth
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251037430
Total Pages : 340 pages
Book Rating : 4.0/5 (374 download)
Download or read book Fishes of the Cambodian Mekong written by Walter J. Rainboth and published by Food & Agriculture Org.. This book was released on 1996 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This field guide covers the major resource groups likely to be encountered in the fisheries of the Cambodian Mekong. These groups include sharks, batoid fishes and bony fishes. The introduction outlines the geographical, environmental and ecological factors influencing fisheries, and the basic components of the fisheries of the Cambodian Mekong. As an aid to identification to higher taxonomic levels, a pictorial index to families and an illustrated guide to orders and families are included. Each species account provides scientific nomenclature, FAO names in English, local names, sizes, notes on fisheries, habitat and biology, and one or more illustrations. The guide is fully indexed and a list of related literature is appended. Finally, 27 colour plates are presented.
Author : Tim M. Berra
Publisher : Academic Press
ISBN 13 : 0080532012
Total Pages : 647 pages
Book Rating : 4.0/5 (85 download)
Download or read book Freshwater Fish Distribution written by Tim M. Berra and published by Academic Press. This book was released on 2001-08-22 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book clearly identifies nearly 170 families of fishes through the use of high-quality illustrations and includes an accurate account of selected members of that particular fish family, as well as a distribution map and accompanying commentary on classification, distribution, and diversity.Key Features* High-quality illustrations of representatives from each family* Distribution map provided for each family* Commentary for each family
Author : Ian J. Winfield
Publisher : Springer Science & Business Media
ISBN 13 : 9401130922
Total Pages : 687 pages
Book Rating : 4.4/5 (11 download)
Download or read book Cyprinid Fishes written by Ian J. Winfield and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the fishes. a remarkably wide range ofbiological adaptations to diverse habitats has evolved. As weIl as living in the conventional habitats of lakes. ponds. rivers. rock pools and the open sea. fish have solved the problems of life in deserts. in the deep sea. in the cold Antarctic. and in warm waters of high alkalinity or of low oxygen. Along with these adaptations. we find the most impressive specializations of morphology. physiology and behaviour. For example we can marvel at the high-speed swimming of the marlins. sailfish and warm-blooded tunas. air breathing in catfish and lungfish. parental care in the mouth-brooding cichlids and viviparity in many sharks and toothcarps. Moreover. fish are of considerable importance of the survival of the human species in the form ofnutritious and delicious food ofnumerous kinds. Rational exploitation and management of our global stocks of fishes must rely upon a detailed and precise insight of their biology. The Chapman and Hall Fish and Fisheries Series aims to present timely volumes reviewing important aspects of fish biology. Most volumes will be of interest to research workers in biology. zoology. ecology and physiology. but an additional aim is for the books to be accessible to a wide spectrum of non specialist readers ranging from undergraduates and postgraduates to those with an interest in industrial and commercial aspects of fish and fisheries.
Author : Kim Geheb
Publisher : IUCN
ISBN 13 : 9782831706894
Total Pages : 126 pages
Book Rating : 4.7/5 (68 download)
Download or read book Wetlands of Ethiopia written by Kim Geheb and published by IUCN. This book was released on 2003 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leo Nagelkerke
Publisher :
ISBN 13 : 9789054857556
Total Pages : 296 pages
Book Rating : 4.8/5 (575 download)
Download or read book The Barbs of Lake Tana, Ethiopia written by Leo Nagelkerke and published by . This book was released on 1997 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
