.
.
Mapping land degradation andMapping land degradation and
sutainable management in thesutainable management in the
wadi...
Study Area : Covers the watersheds of wadi Oum Zessar and wadi El
Halouf which are localized in southeast Tunisia. Adminis...
Land use system (LUS)Land use system (LUS)
Mapping unitsMapping units
Cereal agricultureCereal agriculture
Land use system (step2)
Administrative
or other unit
Land use
system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Cer...
Mapping unit ID: (ZK-BKO2)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Rate
f) Direct
cause
e) Indire...
Mapping unit ID: (ZK-BKO2)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpo
se
e) % of
area
f)Degration
addresse...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
* To reduce vegetation cover d...
Agriculture behind jessourAgriculture behind jessour
Land use system (step2)
Administrative
or other unit
Land use system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Agr...
Mapping unit ID: (ZK-BKO3 / ZK-BKE4 / ZK-MN3 / ZK-SM1)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Ra...
Mapping unit ID: (ZK-BKO3 / ZK-BKE4 / ZK-MN3 / ZK-SM1)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpos
e
e) % ...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
* To intensify water and soil ...
Plain rangelandsPlain rangelands
Land use system (step2)
Administrative
or other unit
Land use system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Pla...
Mapping unit ID: (ZK-BKO4 / ZK-BKE3 / ZK-MN4 / ZK-SM6)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Ra...
Mapping unit ID: (ZK-BKO4 / ZK-BKE3 / ZK-MN4 / ZK-SM6)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpos
e
e) % ...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
* To use practices for vegetat...
Mountain rangelandsMountain rangelands
Land use system (step2)
Administrative
or other unit
Land use
system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Mou...
Mapping unit ID: (ZK-BKO5 / ZK-BKE2 / ZK-MN2 / ZK-SM2)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Ra...
Mapping unit ID: (ZK-BKO5 / ZK-BKE2 / ZK-MN2 / ZK-SM2)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpos
e
e) % ...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
•To extend setting fenced area...
Dahar rangelandsDahar rangelands
Land use system (step2)
Administrative
or other unit
Land use
system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Dah...
Mapping unit ID: (ZK-BKO1)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Rate
f) Direct
cause
e)
Indire...
Mapping unit ID: (ZK-BKO1)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpos
e
e) % of
area
f)Degration
addresse...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
• reduce wind erosion phenomen...
Agriculture behind tabiasAgriculture behind tabias
Land use system (step2)
Administrative
or other unit
Land use system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Agr...
Mapping unit ID: (ZK-BKE1 / ZK-MN1/ ZK-SM4)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Rate
f) Direc...
Mapping unit ID: (ZK-BKE1 / ZK-MN1/ ZK-SM4)
Conservation (step 4)
a)
Name
b)
Group
c)
Measure
d)
Purpos
e
e) % of
area
f)D...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M
P
* Consolidation and reservatio...
Halophyte rangelandsHalophyte rangelands
Land use system (step2)
Administrative
or other unit
Land use
system
(LUS)
a)Area
Trend
b) Intensity
Trend
District xy Hal...
Mapping unit ID: (ZK-SM6)
Land degradation (step 3)
a)Type
i ii iii
b)
Extent
c)
Degree
d)
Rate
f) Direct
cause
e) Indirec...
Expert recommendation (Step 5)
Expert
recommendation Remarks and additional information
M/P • Grazing level control,
• Imp...
We love deserts but we combat desertifcation ….
Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar
Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar
Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar
Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar
Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar
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Cn tu12 4_ira_desire-landcon-wocat_mapping_land_degradation_ouessar

  1. 1. . . Mapping land degradation andMapping land degradation and sutainable management in thesutainable management in the wadi Hallouf watershed (Southwadi Hallouf watershed (South east Tunisia)east Tunisia) Enneb I., H. Taamallah, M. Ouessar, G. van LyndenEnneb I., H. Taamallah, M. Ouessar, G. van Lynden Institut des Régions Arides (IRA), TunisiaInstitut des Régions Arides (IRA), Tunisia ISRIC, Wageningen, The NetherlandsISRIC, Wageningen, The Netherlands International Conference on Combating Land Degradation and Annual Councilor Meeting of WASWAC ( LANDCON1010 ) Xi’an, China, 12 October 2010
  2. 2. Study Area : Covers the watersheds of wadi Oum Zessar and wadi El Halouf which are localized in southeast Tunisia. Administratively, it belongs to three counties (Médenine Nord, Sidi Maklouf and Béni Khédache) of the province of Médenine. It has an arid climate (Rainfall: 150-230 mm )
  3. 3. Land use system (LUS)Land use system (LUS)
  4. 4. Mapping unitsMapping units
  5. 5. Cereal agricultureCereal agriculture
  6. 6. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Cereals Agriculture 1 0
  7. 7. Mapping unit ID: (ZK-BKO2) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirect cause g) Impact on Eco System. Services Et Ed 5% 2 2 f4, n4 p/ t P1(-2), E4(-2) Pc 5% 1 1 s1 p / t P1(-2), E4(-2) Bc 40% 3 2 f4, s4 p/ t P1(-2), E4(-2)
  8. 8. Mapping unit ID: (ZK-BKO2) Conservation (step 4) a) Name b) Group c) Measure d) Purpo se e) % of area f)Degration addressed g)Effecti veness h)Effect. Trend i) Impact on ESS j)Perio d k)Ref QT Sand stabilisat- ion SD S8 M1 M/P 5% Ed Bc Et 3 0 P1(+2) E4 (1) 1950 Tabia WH S3 M/P 10% Ed Bc Et Bc 3 0 P2 (1) E1 (1) 1950
  9. 9. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P * To reduce vegetation cover degradation through the use of means for sand fixation and soil and water conservation (CES) * To use practices to restore the vegetation cover and to reduce soil degradation
  10. 10. Agriculture behind jessourAgriculture behind jessour
  11. 11. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Agriculture behind jessour 0 0
  12. 12. Mapping unit ID: (ZK-BKO3 / ZK-BKE4 / ZK-MN3 / ZK-SM1) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirect cause g) Impact on Eco System. Services Wg Wt 10% 2 1 s3, n3 l P2 (-1), E2(-1) Ha Hs 10% 2 2 n1/ n6 P2(-1), E4(-1) Bc 15% 3 2 n6 E8 (-1),
  13. 13. Mapping unit ID: (ZK-BKO3 / ZK-BKE4 / ZK-MN3 / ZK-SM1) Conservation (step 4) a) Name b) Group c) Measure d) Purpos e e) % of area f)Degration addressed g)Effec tivenes s h)Effect. Trend i) Impact on ESS j)Peri od k)Ref QT Jessour WH S3 A1 M/P 60% Wg Ha Bc 3 1 P2(2) E2 (2) E8(2) 1900
  14. 14. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P * To intensify water and soil conservation (CES) works. *To ensure maintenance and to safeguard CES works (especially after the floods and exceptional rains).
  15. 15. Plain rangelandsPlain rangelands
  16. 16. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Plain rangelands -2 -2
  17. 17. Mapping unit ID: (ZK-BKO4 / ZK-BKE3 / ZK-MN4 / ZK-SM6) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirect cause g) Impact on Eco System. Services Wt Wg Wr 15% 2 3 s1, g1/n6 l/P P1 (-2), E2(-2) E8(-2) Et Ed 15% 2 3 f6/ g1/n6 l/P P1 (-2), E2(-2) E8(-2) Bc B q 10% 3 3 n6 l/P E8 (-2), E2(-2), P1(-2)
  18. 18. Mapping unit ID: (ZK-BKO4 / ZK-BKE3 / ZK-MN4 / ZK-SM6) Conservation (step 4) a) Name b) Group c) Measure d) Purpos e e) % of area f)Degration addressed g)Effec ti veness h)Effect Trend i) Impact on ESS j)Peri od k)Ref QT Fencing Resting GR M5 M/P 5% Wt Et 4 1 E2 (2) E8(2) 1957 TUN11 Afforest ation vs V2 M/P 5% Et Bc 4 1 E2 (2) E8(2) 1957 TUN11 Sand dune fixation Sd S8 M/P 5% Et 4 1 E2 (2) E8(2) 1957 TUN11
  19. 19. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P * To use practices for vegetation cover restoration, reduction of livestock, while limiting cultivation extension * To consolidate / Land protection works.
  20. 20. Mountain rangelandsMountain rangelands
  21. 21. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Moutain range lands -2 -2
  22. 22. Mapping unit ID: (ZK-BKO5 / ZK-BKE2 / ZK-MN2 / ZK-SM2) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirec t cause g) Impact on Eco System. Services Wg Wt 15% 3 3 n3 t /P P1 (-2) Ha 10% 2 2 n3 ,n6 P/h E2(-2) Bc Bh 15% 3 3 g1 P/t/h E8 (-3)
  23. 23. Mapping unit ID: (ZK-BKO5 / ZK-BKE2 / ZK-MN2 / ZK-SM2) Conservation (step 4) a) Name b) Group c) Measure d) Purpos e e) % of area f)Degration addressed g)Effecti veness h) Effect. Trend i) Impact on ESS j)Peri od k) Ref QT Fencing Resting GR V2 M/P 5% Bc Bt 4 1 E8 (3) P1(2) 1960 TUN11
  24. 24. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P •To extend setting fenced areas * To reduce livestock number.
  25. 25. Dahar rangelandsDahar rangelands
  26. 26. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Dahar rangelands 0 0
  27. 27. Mapping unit ID: (ZK-BKO1) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirec t cause g) Impact on Eco System. Services Et Ed 15% 3 3 g1/ l2/ n4 t /O P1 (-1) / E8(-2) Cn 15% 2 2 e2 t /O E8(-2) Wt 10% 3 3 n3 t /O E8 (-2)
  28. 28. Mapping unit ID: (ZK-BKO1) Conservation (step 4) a) Name b) Group c) Measure d) Purpos e e) % of area f)Degration addressed g)Effec ti veness h)Effect. Trend i) Impact on ESS j)Per iod k)Ref QT Pallissade Sd S8 M/P 3% Et Ed 3 1 P1 (1) E8(2) 1980 TUN11 Fencing Resting GR M5 M/P 3% Et Ed Cn 3 1 E8(2) 1980 TUN11 Afforestati on VS V1 M/P 3% Et Wt 2 1 E8(2) 1980 TUN11
  29. 29. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P • reduce wind erosion phenomenon and livestock number, • Watering points/sources multiplication * To Improve fencing and resting works * Expansion of plantations / Pallissade
  30. 30. Agriculture behind tabiasAgriculture behind tabias
  31. 31. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Agriculture behind Tabia 2 2
  32. 32. Mapping unit ID: (ZK-BKE1 / ZK-MN1/ ZK-SM4) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirect cause g) Impact on Eco System. Services Wt Wd 5% 2 -2 n2 / n4 l E2(-1)
  33. 33. Mapping unit ID: (ZK-BKE1 / ZK-MN1/ ZK-SM4) Conservation (step 4) a) Name b) Group c) Measure d) Purpos e e) % of area f)Degration addressed g)Effec ti veness h)Effect. Trend i) Impact on ESS j)Peri od k)Ref QT Tabia Tr / Wh / Sc S3 A1 M/P 30% Wt Wg 4 1 P1 (3), E2(3) S5(3) 1960 TUN1 1 Gabion Recharge SA PR Sc S6 M/P 20% Wt Wg 4 1 P1 (3), E2(3) S5(3) 1960 TUN1 1 Drg stones ridges RH Sc S2 A1 M/P 10% Wt Wg 4 1 P1 (3), E2(3) S5(3) 1960 Gabion spreading WH PR Sc S6 M/P 10% Wt Wg 4 1 P1 (3), E2(3) S5(3) 1960 TUN1 1
  34. 34. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M P * Consolidation and reservation of plantation * watershed integrated management
  35. 35. Halophyte rangelandsHalophyte rangelands
  36. 36. Land use system (step2) Administrative or other unit Land use system (LUS) a)Area Trend b) Intensity Trend District xy Halophyste rangelands -1 1
  37. 37. Mapping unit ID: (ZK-SM6) Land degradation (step 3) a)Type i ii iii b) Extent c) Degree d) Rate f) Direct cause e) Indirect cause g) Impact on Eco System. Services Cs Pw 50% 3 1 n5 O: high evaporation Runoff reduced E1(-1) Bc 35% 2 1 e2 h E4 (-2)
  38. 38. Expert recommendation (Step 5) Expert recommendation Remarks and additional information M/P • Grazing level control, • Improve water runoff • wood collection reduction
  39. 39. We love deserts but we combat desertifcation ….
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