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Flood vulnerability assessment of donstream area in Mono basin in Yoto district, south-eastern Togo

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par Abravi Essenam KISSI
University of Lome - Master 2014

précédent sommaire suivant Anticipative measures of flood occurrence

The anticipative measures play a great role in the reduction of flood impacts. The field survey reveals some anticipative measures used by the population to predict the occurrence of flood. The population combines sign post markers to control the level of water with local indicators of flooding (massive presence of ants coming out from ground, and snail climbing trees, transport of mud, presence of hippopotamus and some type of bird so called "Tolem" in local language) to anticipate the occurrence of flood. The majority of the respondents of the total sample (82.8%) reported they are aware of anticipative measures such as local indicators (78.7%) and sign post marking possible flooding levels (4.5%)

Low level

Medium level

High level

Photo 7: Implantation of Sign post marking possible flooding levels

(Early Warning system) Training on flood hazard management

In terms of training on flood hazard management, 82.8% of the total respondents said they have received some training on flood hazard management while, 14% have never received any training . Of those who have some training, 1.8% indicated they received information on how to control river water level, 20% reported they received information on hygiene and water purification measures, 12.21% reported they received information on local indicators and a small number 3.1% said they were informed on evacuation areas. Household recovery time and positive effects of flood on household

The majority of respondents (36.2%) said it takes long time for them to recover from flood disasters, while 24.9% reported they recover quick from flood disasters. 75.11% of respondents of the total sample said flood had no positive effects on their household while 24.9% reported flood had some positive effects on them. Of all those who reported having experienced positive effect of flood, 11.31% said their farmlands become more fertile after flood, 7.2 % said they experienced increase of crop yield after flood, 4.07% said they were able to practice garden activity after flood because the soil become suitable for such activity and a small number 2.3% said they experienced increase in fish population, which is good for fishing activity.

4.2.5 Household adaptation options Household's perception of Government and NGOs role in flood management

The perception of households on the role of Government and NGOs in flood management was assessed, based on the three phases of disaster management cycle. The majority (15.83%) of the total respondents interviewed indicated that government and non government organisations should increase awareness and educate people about the causes, risks and warning signs of floods; 11.31% said government and NGOs should build dams and reservoirs or dikes and levees, and health centres. Others reported that government and non government organisations should build retaining ponds, flood channels, safe heaven places, construct roads, distribute boats; install more sign posts marking possible flooding levels in the community, plant trees along the river bank and control of Nangbeto dam opening, as mitigation and preparedness measures to control flood disasters. As response measures during flood, the majority (54.30%) of respondents reported that government and NGOs should assist the affected communities with food and non-food -items, however 36.20% and 9.50% said the government and NGOs should take appropriate measures to evacuate affected people in the safe havens and provide health assistance. 52.03% respondents of the total sample reported government and NGOs should provide seeds, fertilizers and animals; 13.57% suggested assisting people in returning to their home and distribution of building materials while 11.31% said government and NGOS should provide advice and training to flood victims and 9.50% proposed to assist affected people with financial support for their recovery after floods.

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