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VI Executive summary Water hyacinth, Eichhornia Crassipes, is an aquatic invasive species which is native to South America. It profoundly affects the tropical and subtropical region of the world. In addition, it is recognized as one ofthe worst weeds
  I COLLEGE OF AGRICULTURE AND RURAL TRANSFORMATION DEPARTMENT OF AGRICULTURAL ECONOMICS SENIOR SEMINAR ON THE SOCIO ECONOMIC IMPACTS OF WATER HYACINTH INVASION IN ETHIOPIA Submitted to Department of Agricultural Economics By Endeshaw Gedefaw Advisor:-   Abebe.D (Assistant Prof .of agricultural Economics) Jun, 2018 Gondar, Ethiopia  II Table of Contents  LIST OF FIGURE ...................................................................................................................... III ACRONYMS AND ABBREVIATIONS ................................................................................... IV ACKNOWLEDGMENT ............................................................................................................. V  Executive summary  ...................................................................................................................... VI 1. Introduction ............................................................................................................................... 1 1.1 Background and Justification ............................................................................................ 1 1.2 Objectives ............................................................................................................................. 3 2. Literature review and discussion ............................................................................................. 4 2.1 Theoretical Literature Review ........................................................................................... 4 2.1.1 Water ............................................................................................................................. 4 2.1.2 Hyacinth ........................................................................................................................ 4 2.1.3 Water hyacinth ............................................................................................................. 4 2.1.4 The Origin, Occurrence, Distribution Invasion Of Water Hyacinth...................... 6 2.2 Empirical Literature Review and Discussions ................................................................. 8 2.2.1 Socio-economic impact of water hyacinth invasion in Ethiopia ............................... 9 2.2.2 Social impact ............................................................................................................... 10 2.2.3 Environmental impact ................................................................................................ 11 2.2.2 Impact of water hyacinth on fishing activity in Ethiopia ....................................... 14 2.2.3 Impact of water hyacinth on crop production in Ethiopia ................................... 14 2.2.4 The effect of Water hyacinth invasion in Ethiopia .................................................. 16 2.2.5 Factors promoting the growth and infestation of water hyacinth ......................... 19 2.2.8 Control Measures and management of water hyacinth ........................................ 20 3. Conclusions .............................................................................................................................. 26 4. REFERENCE .......................................................................................................................... 28  III LIST OF FIGURE   Table 2.2.1: Mean area of coverage water hyacinth in hectare…………………………………15   Figure 2.2.3: Dense mat and new invasion of hyacinth on Debey and Gumara…………………21 Figure 2.2.2:   concpual framwok of the review …………………………………………………22   Figure 2.2.4: biological control of water hyacinth Lake Tana…………………………………..24   Figure 2.2.5: physical control of water hyacinth Lake Tana……………………………………25  IV ACRONYMS AND ABBREVIATIONS   CPUE   Catch Per Unit Of Effort   EEA   The Ethiopian Energy Authority   FAO Food and Agriculture Organization ICDPs Integrated Conservation and Development Projects ITDG Intermediate Technology Development Group IUCN International Union for The Conservation Of Nature LVEMP Lake Victoria Environmental Management Project LVRBC Lake Victoria River Basin Commission  NGOs Non-Governmental Organizations RSA Republic of South Africa UNEP United Nations Environmental Programme  V ACKNOWLEDGMENT First and for most, I would like to extend my unshared thanks to the Almighty God for helping me to the success and accomplishment of this seminar paper. I express my deepest gratitude and  particular appreciation to my advisor, Abebe Dagnew for his unlimited support, guidance, suggestion, comment, and encouragement throughout the development of this seminar paper. I also extend my sincere gratitude and appreciation to my department head Taye Melese and my colleagues for their support, guidance and suggestions, which became an important part of this seminar paper.
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