Reliability (1) Preservation (1) Conservation (1) Thresholds (Doorsills) (1) Uplands (1) Event history analysis (1) Year (1) Water (1) Time (1) Rain and rainfall (1) Public works (1) Ponds (1) Mountains (1) Human beings (1) Hydraulic structures (1) Dew-ponds (1) Canals (1) Behavioral assessment (1) Older people (1) Technique (1) Valuation (1) Attitudes (1) Stability (1) Soils (1) Remodeling (1) Rating of (1) Land tenure (1) Irrigation (1) Effectiveness (1) Evaluation (1)