The African Water Resource Database (AWRD) is a set of data and custom-designed tools, combined in a geographic information system (GIS) analytical framework, aimed at facilitating responsible inland aquatic resource management with a focus on inland fisheries and aquaculture. It thus provides a valuable instrument to promote food security. The AWRD data archive includes an extensive collection of datasets covering the African continent, including: surface waterbodies, watersheds, aquatic species, rivers, political boundaries, population density, soils, satellite imagery and many other physiographic and climatological data. This technical paper is the second of two publications about the AWRD, and it includes a technical manual for spatial analysts and a workbook for university students and teachers. The first part of this technical paper is available separately (ISBN 9789251057407).If we assume that natural mercury concentrations cause fish to have mercury levels of 0.4 ppm (parts per million), and that ... The operation of this calculator is slightly more complicated than that of the view-based calculator and requires a useranbsp;...
|Title||:||African Water Resource Database: Technical manual and workbook. Technical manual|
|Publisher||:||Food & Agriculture Org. - 2007|