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There are several hundred relevant assessments and access points
for meta-data catalogues and holdings, providing a substantial basis
on which to build a comprehensive global assessment of international
water issues and problems. The Global International Waters Assessment
(GIWA) is an example of a comprehensive strategic assessment
designed to identify priorities for remedial and mitigatory actions
in international waters.
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The GIWA geographical framework divides the world into
a series of areas, based upon environmental, biogeographical and geopolitical
factors. These encompass major causes and effects of environmental
problems associated with each transboundary water area, whether river
basin, groundwater, lake or sea. A total of 66 sub-regions were identified
as the basic units of assessment, and grouped into nine regions for
assessment purposes (GEF Unit/UNEP, 1998). |