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Social and Ecological System Dynamics
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.
Voprosy ikhtiologii
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The Story of Däräsge Maryam
The painted church in Darasge Maryam, in the Semen Mountain in northern Ethiopia, is witness to a remarkable event in Ethiopian history. Built by Daggazmac Webe in the 1850s for his coronation, it was not the venue for Webe's coronation, but for the coronation of Tewodros II, who had snatched victory from Webe. However, the art, paintings, liturgical objects and a very precious illuminated manuscript book of Revelation, the commissions and gifts by Webe, can still be seen there today. Dorothea McEwan, Hon. Fellow, has been the Archivist of The Warburg Institute, University of London.
Microbial Source Tracking
Presents a state-of-the-art review of the current technology and applications being utilized to identify sources of fecal contamination in waterways. - Serves as a useful reference for researchers in the food industry, especially scientists investigating etiological agents responsible for food contamination. - Provides background information on MST methods and the assumptions and limitations associated with their use. - Covers a broad range of topics related to MST, including environmental monitoring, public health and national security, population biology, and microbial ecology. - Offers valuable insights into future research directions and technology developments.
The Nile: Sharing a Scarce Resource
Examines the environmental element of managing the international water resource of the Nile.
Fishes of Lake Tana
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Lake Taihu, China
2 In China, there are more than 2,759 lakes with surface area greater than 1km , and 2 the total lake area is 91,019km . One-third of these lakes are freshwater lakes, and the majority are situated in the middle and lower reaches of the Changjiang River or in eastern China’s coastal areas. These lakes function as drinking water supplies, ood control systems, aquaculture and tourism resources, navigation channels, etc. Recently, many shallow lakes in China have been subject to rapid eutrophication and suffer from algal blooms. This issue has resulted in a shortage of drinking water and in degradation of their ecosystems. The control of eutrophication of shallow lakes is one of the main issu...
