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… area of land that drains into a major river, while ‘sub-catch- ments’ or ‘micro-catchments’ are much smaller parts of … length (m) • Barren land (%) • Nitrogen amount (kg/ha) • Total dissolved solids (kg/m3) • Electric conductivity … permits or credits are then allocated by dividing up the allowable overall total among polluters. Industries or …

… Lakes. Finally, PES sometimes appears to have become a ‘catch phrase’ which needs further clarification on what it … Allocate pollution or abstraction permits which divide the allowable overall total among water – users; and Allow trading of permits …