wp as per ws
DESCRIPTION
In Chhattisgard state a new concept of working plan prepration.TRANSCRIPT
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By :-
Dr. ANOOP BHALLAIFS
APCCF(WP)
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AIM
Enhancement of decreasing Productivity of flora & fauna for ecologically sustainable forest management ( SFM).
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OBJECTIVES
1 . Improving Soil Moisture table in forest areas by increasing “Recharge Capacity ” of the Catchment.
2 To enhance the current low productivity of Forest flora caused due to Soil moisture stress .
3 . Decreasing Surface Run off from forest area.
4 . Recharge of Ground water table(especially the forest crop growth zone).
5 . To enhance the capacity of Discharge Zone to increase the agriculture productivity of fringe forest area.
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AVERAGE SCENARIO OF A DIVISION
1 . Avg. Total Area of the forest division – 1400 Sq km or 140000 ha.
2 . Avg. no. of Milli watersheds (Equivalent to Felling Series) in Div – (Only Forest Area).
3 . Avg. Area of Milli watersheds (Equivalent to Felling Series) in Div – (Only Forest Area).
4. Avg. no. of Micro watersheds (Equivalent to Coupes) in Div – (Only Forest Area).
5. Avg. Area of Micro watersheds (Equivalent to Coupes) in Div – (Only Forest Area).
6.Treatment cycle – 20 years
7. No. of coupes per year treated – 100
8. Total Area to be treated in a year in a Division – 7000 ha
9. Avg. treatment cost per ha – Rs 4000 per ha
10. Total treatment cost in a year / division – 7000X4000 = 28000000 or 2.8 cr.
11. Cost for all of the state – 2.80 @ 32 = 89.60 or 100 cr.
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SCENARIO OF THE FOREST PRODUCTION MATCHES IN THE STRATA
1 . Young to middle aged crop.
2 . Conversion decrees.
3 . Water as a limiting factor for SFM.
4 . Hence watershed management should become basic for SFM.
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HOW IT GETS INCORPORATED IN WORKING PLAN
At the outset before working plan revision starts ,the Division’s milliwatershed are prescribed by WPO from the angle of aims/objects(Criteria shown in next page) –
a) Separate integrated watershed management working plan - >25 degree , BD rich , soil erosion area.
b) This is not the end but it beginning – Watershed management become integral part of all working circles.
a) In each working circle ,we propose two parallel felling series -1)Sillviculture FS
2) Water Shade FS
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WATERSHED TREATMENT
1) A separate manual prepared for details of scientific & technical technologies for treatment.
2) GIS based software prepared for proper site based treatment map.
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PARAMETERS FOR PRIORITIZING OF WATERSHEDS (IN ORDER OF
PRIORITY)
Slope Percentage .
Rills & Streams .
Forest Cover.
Geo-morphological Formations.
Soil Types.
Any site specific misc(like Eco tone, BD richness, Ecologically fragile zones etc).
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WEIGHTED PERCENTAGE OF PARAMETERS OF WATERSHEDS
Slope Percentage . 30 – 55%
Rills & Streams .
Forest Cover. 20 - 30 %
Geo-morphological Formations. 15 - 20%
Soil Types. 10 - 15%
Any site specific misc(like Eco tone, BD richness, Ecologically fragile zones etc). 0- 5%
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Rating For Slope Factor :-
Description Slop Value Rate
Very Steep Sloping >25% 1
Mod Steep to Steep 10-25% 17
Moderately Sloping 5-10% 34
Very Gently Sloping 0-5% 51
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Rating For Vegetation Factor :-
Class Values Value Rate
Scrub Canopy density less than 10%
1
Open Forest Canopy density between 10% and 40%
10
Mod Dense Forest Canopy density between 40% to 70%
20
Very Dense Forest Canopy density of 70% and above
30
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Rating For Geomorphology Factor :-
Alluvium 1
Sandstone 1
Basalt 7
Granite 14
Gneiss 14
Granite/Gneiss 14
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Rating For Soil Factor :-
Value Value Rate
C, SiCL in flat area 1
SL, S 5
SC, CL, SCL, L, SiL, Si 10
C, SiCL 15
C (Clay), SiCL (Silty clay loam), SC (Sandy clay), CL (Clay loam), SCL (Sandy clay loam),
L (Loam), SiL (Silty loam), Si (Silt), SL (Sandy loam), S (Sandy).
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Rating Of Watersheds in terms of priority for reducing surface Runoff :-
Description Rating Sum Class
Extremely Susceptible 0-16 1
Very Highly 17-24 2
Highly Susceptible 25-29 3
Moderately Susceptible 30-48 4
Slightly Susceptible 49-64 5
Insignificantly Susceptible more then 65 6