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Principle of Watershed Management. Principle of Watershed Management Watershed
management approaches are evolving throughout the ...
... them, an early example of integrated watershed management. ... we have replaced this
management scheme with a ... The major principle of community-based management is ...
... It has always been guided by the principle that wealth must be ... programs includes:
health care; education; family planning; watershed management; sports; tree ...
... level which it refers to as “principle of subsidiarity”. ... irrigation and drainage
development, hydropower development, watershed management, flood management ...
... in sum that it was as much a watershed as the ... 14 As surprising as it appears, the
management was organised ... pounds loan, since it organised the principle of the ...
Submitted by Tailal on June 16, 2008
Category: Social Issues
Words: 2160 | Pages: 9
Views: 83
Popularity Rank: 103,245
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Principle of Watershed Management
Watershed management approaches are evolving throughout the country and are being used to address watersheds that have multiple problems. Based on successful watershed management efforts like these across the country, this tutorial presents four core principles of watershed management:
1. Watersheds are natural systems that we can work with.
2. Watershed management is continuous and needs a multi-disciplinary approach.
3. A watershed management framework supports partnering, using sound science, taking well-planned actions and achieving results.
4. A flexible approach is always needed.
Principle 1
a. Delineating the Watershed
A watershed is simply the land that water flows across or through on its way to a common stream, river, or lake. A watershed can be very large (e.g. draining thousands of square miles to a major river or lake or the ocean), or very small, such as a 20-acre watershed that drains to a pond. A small watershed that nests inside of a larger watershed is sometimes referred to as a sub watershed.
You can delineate a watershed (or many watersheds) on topographic (topo) maps using symbols for important entities: lines symbolizing water and elevation contour lines indicating areas of equal height above sea level. Since water flows downhill from higher elevations to a common body of water, to delineate the watershed boundary for a particular place on a stream or lake, you will need to draw a line along the ridgetops connecting the highest elevation points surrounding the lake or stream. Fortunately, there are maps and computer databases you can turn to that have watershed boundaries already delineated--particularly for larger basins and watersheds. What pops up is the watershed boundary with major streams, lakes and cities in the watershed highlighted. Some experts like to categorize the hydrography or water bodies within a watershed by a...
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