Zambezi Basin Wetlands Conservation And Resource Utilisation Project
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Zambezi Basin Wetlands Conservation And Resource Utilisation Project
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Author : Eric J. Hiscock
language : en
Publisher: Iucn-World Conservation Union
Release Date : 1996
Zambezi Basin Wetlands Conservation And Resource Utilisation Project written by Eric J. Hiscock and has been published by Iucn-World Conservation Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Business & Economics categories.
Assessment Of The Status Of Transboundary Natural Resources Management Activities In Botswana
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Author : Zuma Chengeta
language : en
Publisher:
Release Date : 2003
Assessment Of The Status Of Transboundary Natural Resources Management Activities In Botswana written by Zuma Chengeta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Natural resources categories.
Establishing The Environmental Flow Regime For The Middle Zambezi River
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Author : Elenestina Mwelwa-Mutekenya
language : en
Publisher: CRC Press
Release Date : 2021-07-28
Establishing The Environmental Flow Regime For The Middle Zambezi River written by Elenestina Mwelwa-Mutekenya and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-28 with Technology & Engineering categories.
The Middle Zambezi, host to a rich biodiversity, is located in the central part of the Zambezi River Basin which covers eight Southern African Countries. The area is located downstream of three hydropower schemes. In the last decades, the floodplain riparian tree, the Faidherbia albida, vital for the local wild life, has shown a worrying decrease in its regeneration rates. This thesis explores establishing the environmental flow regime for the Middle Zambezi reach in order to minimise the impact of the upstream hydropower schemes on the river environment, using the Faidherbia albida tree as a biological indicator. The research identified that the current dam operations have completely altered the natural hydrological rhythm from pre-Kariba dam dry season flows of 100-200 m3/s increasing to 1,000-1,500 m3/s. The sudden closure of the dam floodgates can be linked to the observed river channel-widening phenomenon. In addition, the Faidherbia albida tree now experiences longer flood residence over the floodplain, making it inaccessible to animals to allow for regeneration. In order to save the F. albida tree, a two-pronged environmental flow regime is proposed of releasing a moderate flood of 5,800 m3/s once in 5 years, for 5 to 6 weeks in the months of February to March, and phasing the spillway gates closure over a period of 3 to 4 weeks to keep the floodplain wet enough until the months of May and June. Phasing of the spillway gate closure would also mitigate the excessive bank erosion.
Biodiversity Of The Zambezi Basin Wetlands Main Report
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Author : Jonathan Timberlake
language : en
Publisher:
Release Date : 2000
Biodiversity Of The Zambezi Basin Wetlands Main Report written by Jonathan Timberlake and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Biodiversity categories.
Biodiversity Of The Zambezi Basin Wetlands V 4 Bibliography
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Author : Jonathan Timberlake
language : en
Publisher:
Release Date : 1998
Biodiversity Of The Zambezi Basin Wetlands V 4 Bibliography written by Jonathan Timberlake and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Using The Ecosystem Approach To Implement The Convention On Biological Diversity
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Author : Dr. Richard D. Smith
language : en
Publisher: IUCN
Release Date : 2003
Using The Ecosystem Approach To Implement The Convention On Biological Diversity written by Dr. Richard D. Smith and has been published by IUCN this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
The Ecosystem Approach, defined as a strategy for the management of land, water and living resources that promotes conservation and sustainable use in an equitable way, was adopted at the Second Conference of the Parties of the CBD as the primary framework for action under the Convention. It puts people and their nature resource use practices squarely at the centre of the decision-making framework. The case studies presented here were discussed at three workshops held in Southern Africa, South America and Southeast Asia. They provide practical examples of the Ecosystem Approach as well as a number of recommendations for action that are widely relevant to Parties and other bodies.
Hydropolitical Vulnerability And Resilience Along International Waters
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Author :
language : en
Publisher: UNEP/Earthprint
Release Date : 2005
Hydropolitical Vulnerability And Resilience Along International Waters written by and has been published by UNEP/Earthprint this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Law categories.
In Africa, most major rivers, freshwater lakes, and aquifers are shared by two or more countries. These nations are becoming increasingly vulnerable to conflict, and their vulnerabilities are made more acute by climatic variations in precipitation, increasing urbanization, industrialization and environmental degradation. The concept of resilience and vulnerability as it relates to water resources is tackled in this report within the framework of sustainability and relates to the ability of the human and bio-physical systems to adapt to change.
Wetlands Conservation And Management In Southern Africa
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Author :
language : en
Publisher: Iucn/Rosa Communications Division
Release Date : 1997
Wetlands Conservation And Management In Southern Africa written by and has been published by Iucn/Rosa Communications Division this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Business & Economics categories.
Review Of The State Of The World Fishery Resources Inland Fisheries
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2018-11-05
Review Of The State Of The World Fishery Resources Inland Fisheries written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-05 with Technology & Engineering categories.
The FAO Fishery and Aquaculture Circular C942 Revision 3 (C942 Rev. 3) updates and expands the scope of previous revisions of the circular. C942 Rev. 3 is an important baseline document, intended to assist in the global understanding of inland fisheries and inform dialogue on their current and future role. The third revision reviews the status and trends of inland fisheries catch at global, continental and subcontinental levels. It places inland capture fisheries in the context of overall global fish production, and calls attention to the importance of inland capture fisheries with respect to food security and nutrition and the Sustainable Development Goals. It quantifies global inland fisheries resources in terms of food production, nutrition, employment, economic contribution with respect to those countries/regions or subnational areas where they are important. A characterization approach to distinguish large-scale and small-scale fishing operations and their relative contributions is provided. The review provides estimated economic values of inland fisheries, as well as a valuation of potential replacement cost of these (in terms of dollars, other resources such as land and water, feeds). There is also an analysis of the extent and economic value of recreational inland fisheries. The contribution to employment and the gender differences related to this are quantified. The linkages between inland fisheries and biodiversity are also explored. C942 Rev. 3 discusses ways to measure and assess inland fisheries, in particular, how to establish more accurately inland fishery catches in the many situations where there are challenges to collection of catch statistics.
Annual Report 1998 Iucn The World Conservation Union
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Author :
language : en
Publisher: IUCN
Release Date :
Annual Report 1998 Iucn The World Conservation Union written by and has been published by IUCN this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.