Changes in abundance of waterbirds reflect the habitat changes of a tank ecosystem. Ephemeral tanks in Vavuniya district are known as habitats for rich birds diversity during different periods of a year. A short-term field ...

The objectives of this study were to create the conversion equation to convert 1inch: 1mile reference of irrigation tanks to National Coordinate system and create a database using Arc GIS 9.3 software through documentation ...

Although water availability for paddy production in Mahaweli System H is abundant, paddy yield is lower in Nochchiyagama (278 km2), chosen for soil assessment. Paddy yield data were used to identify the low-yielding division ...