Opportunities for agricultural water management … brief report_WB.pdfNational capital Populated...
Transcript of Opportunities for agricultural water management … brief report_WB.pdfNational capital Populated...
West Bengal DRAFT
IntroductionThe Agricultural Water Solutions Project aims to unlock the potential of smallholder farming by identifying,
evaluating and recommending a variety of agricultural water management (AWM) solutions - including technologies
as well as the necessary supporting policies, institutions, financing arrangements and associated business models.
This is being achieved through a series of interlinked activities in the seven project sites in Africa (Burkina Faso,
Ethiopia, Ghana, Tanzania and Zambia) and in India (Madhya Pradesh and West Bengal). These activities include:
• in-depth case studies,
• mapping areas to identify where solutions are likely to be most viable and have greatest impact,
• discussing AWM solutions and project findings with stakeholders, and
• formulating business models to turn these findings into practical plans.
These products have been developed through a stepwise approach including state level data collection and processing,
case study analysis, and local consultation. The livelihood map was developed during a participatory mapping
workshop which gathered a large number of national experts from different fields (agriculture, water, social sciences,
geography, etc.) and institutions (government, universities, NGOs, etc.) as well as farmers groups. The outputs of the
workshop have been enhanced through further consultation with national and international experts and through
secondary data analysis using available national and sub-national datasets and statistics.
This note presents the result of the analysis and mapping at state level. National livelihood maps have been
established through an in-depth consultation process. Opportunities to invest in AWM at state level to improve rural
livelihoods have been mapped, and the potential and suitability of different AWM solutions have been quantified.
More specifically, the work aimed to:
1. Map the main livelihood contexts in each project country or state, responding to the following questions:
• what are the main constraints and needs in the different rural livelihood contexts?
• what are the different farmer typologies and rural livelihood strategies?
2. Map the potential to improve smallholders’ livelihood through water interventions:
• where to invest in AWM to have the maximum impact on rural livelihoods?
• where is AWM the entry point for improving rural livelihoods?
3. Map the geographical domain of specific AWM solutions:
• where the specific AWM solutions have highest potential impact on rural livelihoods?
4. Estimate the potential benefits of investing in AWM:
• how many potential beneficiaries for each AWM solution?
• how much is the potential application area for each AWM solution?
Opportunities for agricultural water management interventions
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Opportunities for agricultural water management interventions
1. Mapping the livelihood context – different people have different needsLivelihood zoning consists in identifying areas where rural people share relatively homogeneous living
conditions, on the basis of a combination of biophysical and socio-economic determinants. The main criteria
to establish livelihood zones are: the predominant source of income (livelihood activities); the natural
resources available to people and the way they are used, with focus on water resources; and the prevailing
agroclimatic conditions that influence farming activities. Patterns of livelihood vary from one area to
another, based on local factors such as climate, soil or access to markets. The analysis delineates
geographical areas within which people share similar livelihood patterns: source of living, access to food,
farming practices, including crops, livestock and access to markets.
The map of livelihood zones is the main output from a participatory mapping workshop and forms the basis
for the overall assessment. It describes and geographically locates the different country livelihood contexts,
focusing on the main smallholders’ livelihood strategies, their water-related problems and other constraints
for development, and the role agricultural water management plays for their livelihoods. An attribute table
provides a detailed description of each livelihood zone.
BOUCLE DE MOUHNOUN
NORD
SAHEL
CENTRE NORD
HAUTS BASSINS
CASCADES
SUD OUEST
CENTRE OUEST
CENTRE
PLATEAU CENTRAL
CENTRE SUD
CENTRE EST
EST
OUDALAN
KENEDOUGOU
HOUET
LERABA
BANWAMOUHOUN
TUY
BOUGOURIBA
COMOE
PONI
NOUMBIEL
IOBA
SISSILI
BALE
SANGUIE
NAYALA
PASSORE
KOURWEOGO
BOULKIEMDE
ZIRO
NAHOURI
ZOUNDWEOGO
BOULGOU
KOULPELOGO
KOMPIENGA
GOURMAKOURITENGA
GNAGNA
KOMONDJARI
YAGHA
SENO
TAPOA
NAMENTENGA
SANMATENGA
SOUM
BAM
OUBRITENGA
GANZOURGOU
LOROUM
YATENGA
SOUROU
KOSSI
BAZEGA
KADIOGO
ZONDOMA
Nakambé
Nakambé
Nakambé
Mouhoun
Mou
houn
Mouhoun
Lera ba
3 9
6
510
21
14
13
7
8
16
15
4
1211
Legend
0 50 10025 km
Data source: AG-Water Solutions, FAO NRL Nov 2010
Town
National capital
Populated places
!H
Country
Province
District
Boundaries
1. South-west sub-humid, cereals-root crops (sorghum-yam)2. West sub-humid, cereals (rice, maize), tree crops and cotton3. West moist-semiarid, cotton, cereals (rice-maize), vegetables4. West moist-semiarid, cotton, cereals (sorghum-maize)5.West moist-semiarid, cotton, cereals (sorghum-maize) and sesame6. North-west moist-semiarid, cereals (sorghum-rice), irrigated cash crops and remittances7. Centre-west moist-semiarid, cereals (sorghum-millet), horticulture and remittances8. South moist-semiarid, , cereals-root crops and tourism zone9. Centre-east, moist-semiarid, cereals (sorghum,- rice), groundnut, livestock10. South-east, moist-semiarid, cereals (sorghum-millet), forestry and fauna, tourism11. Central periurban, horticulture and livestock12. Central Plateau moist-semiarid, cereals and market gardening zone13. Centre-north dry semiarid, cereals-vegetables- groundnut14. North dry semiarid, agropastoral, sorghum-millet -livestock (pastoralism dominant), vegetables
Lake, Reservoir
Hydrology
Perennial River
Bihar
Jharkhand
Orissa
Assam
Sikkim
Meghalaya
8
2
4
10
79
1
3
12
15
11
6
14
5
13
Medinipur
Bankura
Puruliya
Nadia
Jalpaiguri
Hugli
Birbhum
Barddhaman
Maldah
Murshidabad
Darjiling
Koch Bihar
Haora
Uttar Dinajpur
North 24 Parganas
Dakshin Dinajpur
Kolkata
KULTI
HABRA
BALLY
HALDIA
DABGRAM
RAIGANJ
JAMURIA
BANKURA
BANGAON
NAIHATI
BARASAT
RANIGANJ
NABADWIPDURGAPUR
PURULIYA
SANTIPUR
BASIRHAT
ULUBERIA
DARJILING
BALURGHAT
MEDINIPUR
KHARAGPUR
JALPAIGURI
BAHARAMPUR
BARDDHAMAN
SOUTHDUMDUM
ENGLISHBAZAR
01 - Hilly-Terai Rain-fed Grain Crops-Fruits Vegetables- Spices- Livestock
02 - Terai-Grain crops-Fiber-Vegetables-Livestock
03 -Terai-Grain crops-Fiber-Tobacco Vegetables-Livestock
04 - Barind Rain-fed- Grain crops-Pine apple-Fiber
05 - Barind-Rice-Horticulture
06 - Gangetic Alluvial & Barind- Rice-Sericulture
07 - Ruhr & Alluvial-Grain crops-Poultry-Livestock
08 -Ruhr & Alluvial-Grain crops-Fishery Poultry-Livestock-Cottage Industry
09 - Old Vindhyan Alluvial-Grain crops-Fishery Poultry-Livestock-Cottage Industry
10 -Ruhr & Alluvial-Grain crops-Livestock
11 -Eastern Plateau & Alluvial-Grain crops-Livestock
12 -Coastal & Alluvial-Grain crops-Fishery Floricultuer-Vegetable-Legumes-Livestock
13 - Coastal-Grain crops-Horticulture-Livestock-Fishery
14 - Coastal-Grain crops-Fishery-Livestock Bund Horticulture
15 - Coastal-Small Scale Single crop (Grain/Horticulture)-Capture Fishery
Kolkata
State
District
Boundaries
Legend
Town
State capital
Populated places
DRAFT
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Hilly-Terai Rain-fed Grain Crops-Fruits-Vegetables-
Spices- Livestock
Terai-Grain crops-Fiber-Vegetables
Livestock
Terai-Grain crops-Fiber-TobaccoVegetables-Livestock
Barind Rain-fed- Grain crops-Pine apple-Fiber
Barind-Rice-Horticulture
Gangetic Alluvial & Barind- Rice-Sericulture
Ruhr & Alluvial-Grain crops-Poultry-Livestock
Ruhr & Alluvial-Grain crops-Fishery-Poultry
Livestock-Cottage Industry
Old Vindhyan Alluvial-Grain crops-Fishery-Poultry
Livestock-Cottage Industry
Ruhr & Alluvial-Grain crops-Livestock
Eastern Plateau & Alluvial-Grain crops-Livestock
Coastal & Alluvial-Grain crops-Fishery-Floricultuer-Vegetable-Legumes-Livestock
Coastal-Grain crops-Horticulture-Livestock-
Fishery
Coastal-Grain crops-Fishery-Livestock-Bund
Horticulture
Coastal-Small Scale Single crop
(Grain/Horticulture)-Capture Fishery
None
None
None
Iron and Acidity
Iron and Acidity
Partial (due to Iron and Arsenic)
Partial (due to Iron and Arsenic)
Partial (due to Iron and Arsenic)
Arsenic
Arsenic, Fluoride
Arsenic, Fluoride
None
None
Presence of Toxic Chemicals incu. Heavy
metal
Salinity in drainage& irrigation canals,
Roads, Governance, Erosion, Irrigation
Flow of capital, Local governance
Lack of irrigation facility, Industry, Inadequate employment
lack of irrigation, flood prone, surface runoff, land erosion,
market
Less technical know how, flood prone
Agriculture is not the main source of livelihood. Illegal mining
Assured irrigation, Adequate storage facility and management work, Livestock - quality animals
and market networks
Water scarcity due to low irrigation coverage. Lack of
improved agricultural practices, land erosion and depletion of
forests.
Limited livelihood options, low irrigation coverage, depleting forest cover, political problem (Maoist insurgency), Problems
created by elephants
agric. Inputs, quality irrigation water, lack of infrastructures absence technical know how,
illiteracy
agric. Inputs, quality irrigation water, lack of infrastructures absence technical know how,
illiteracy
agric. Inputs, quality irrigation water, lack of infrastructures absence technical know how,
illiteracy
agric. Inputs, quality irrigation water, lack of infrastructures absence technical know how,
illiteracy
Flow of capital, Local governance
Assured irrigation, Adequate storage facility and management work, Livestock - quality animals
and market networks
labourers, marginal and patta farmers
labourers and patta farmers
labourers, marginal and small farmers
marginal farmers and labourers
labourers and marginal farmers
marginal farmers and labourers
labourers and patta farmers
labourers and marginal farmers
labourers
labourers, marginal and patta farmers
labourers, marginal and small farmers
labourers and marginal farmers
marginal farmers and labourers
labourers and marginal farmers
labourers and marginal farmers
526 838
4 334 910
1 851 320
10 716 900
549 865
825 096
1 975 180
18 096 700
2 362 510
5 976 500
1 219 300
2 217 190
753 413
3 593 710
2 093 710
Limited
High
high
high
high
Moderate
Moderate
High
High
Low - moderate
Moderate-high
Moderate-high
High
High
Moderate
Main constraints for developmentKey livelihood aspects
Water quality problems for agriculture (salinity,
sodicity, etc.)
Poverty rate
Rural Population
Main farmers typologyZone
Preliminary results from expert consultation
SURI
KULTI
KATWA
KALNA
HABRA
RAJPUR
HALDIA
GHATAL
CONTAI
BOLPUR
RAIGANJ
JAMURIA
DHULIAN
BANKURA
BANGAON
ARAMBAG
ULUBERIA
SANTIPUR
RANIGANJ
RANAGHAT
PURULIYA
NABADWIP
JHARGRAM
JANGIPUR
ISLAMPUR
GAYESPUR
CHAKDAHA
CALCUTTA BASIRHAT
MEDINIPUR
KOCHBIHAR
KHARAGPUR
DARJILING
BISHNUPUR
BALURGHAT
JALPAIGURI
BUDGEBUDGE
BARDDHAMAN
BAHARAMPUR
ALIPURDUAR
GANGARAMPUR
KRISHNANAGAR
ENGLISHBAZAR
Medinipur
Bankura
PuruliyaNadia
Jalpaiguri
Hugli
Barddhaman
Birbhum
Maldah
Murshidabad
Darjiling
Koch Bihar
Haora
South 24 Parganas
Uttar Dinajpur
North 24 Parganas
Dakshin Dinajpur
Kolkata
0 100 200 300 400Km
B A Y O FB E N G A L
Opportunities for agricultural water management interventions DRAFTW
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2. Mapping the AWM potential - Where to prioritize investments on AWM for smallholders
This map shows where AWM can
be the entry point for improving
livelihoods and where to
prioritize investments in AWM to
have the maximum impact on
rural livelihoods.
High potential areas are those
showing the highest potential for
AWM investment.
These areas are identified on the
basis of three guiding principles:
1) where water is available
2) where the target beneficiaries
are mostly located; and
3) where water is key for
livelihoods.
Physical availability of water
(rainfall, surface or shallow
groundwater). It shows where
water is physically available to be
used for AWM. It takes into account
surface water and shallow
groundwater resources and their
current state of use.
Potential beneficiaries (population
density, rural poverty). It shows
where the target beneficiaries of
AWM investments are mostly
concentrated. It is assessed using
population density and rural
poverty rate.
To what extent livelihoods depend on
secure access to sufficient water,
and where lack of water is a major
constraint for rural populations.
Population pressure on land and
water, erratic rainfall and
seasonality, vulnerability to
droughts and dry spells are
examples of situations where the
lack of secured access to sufficient
water represents a major constraint
for rural livelihoods. It is assessed
mainly on the basis of the
description of the livelihood zones
and farmers typologies.
2. To what extent livelihoods are depending on water availability
1. Physical availability of water
3. Presence of target beneficiaries
Legend
Protected areasAdministrativeboundaries
High Moderate-high
Moderate-low Low
DRAFT Opportunities for agricultural water management interventions W
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3. Mapping the suitability domains of specific AWM solutions The project, through its case studies, assessed the potential for applications at state level of the following AWM solutions: • Rural electrification for motor pumps • Ex-situ water harvesting (off-farm ponds)
High priority: areas which present optimal conditions both in terms of biophysical and socioeconomic conditions for adoption of a given AWM solution.
Scarce/None
Low priority: areas where there are possibilities for application of a given AWM solution, but where conditions and impact on rural livelihoods are less favourable.
The map uses a set of criteria to assess the potential geographical extension of each AWM solution. These criteria reflect bio-physical potential and the impact of the solution on rural livelihood across the state. The maps show two level of suitability: high and low
Arsenic affectedareas
Rural electrification Rain water harvesting
DRAFT
4. Estimate the potential benefits of investing in AWM - Potential beneficiaries and application areas
Criteria used to map the potential of AWM solutions:
Rural electrification for motor pumps: • areas with high groundwater availability • areas already connected to electricity grid – high priority • areas not connected to electricity grid (need investment in infrastructure) – low priority
Ex-situ water harvesting (off-farm ponds): • areas with no/little groundwater availability • areas with lower population density • relatively drier areas (length of growing period < 200 dd/y)
The maps just described are used to assess the potential number of beneficiaries and the extent of land which could benefit from any of the AWM solutions. These calculations represent a ‘gross’ potential and do not take into account demand-side aspects of agricultural production. Therefore a possible adoption rate is not applied.
The calculations are performed as follows:
1. the total number of rural people falling into the areas of high or low suitability is calculated on the basis of a rural population density map. These results are then aggregated by livelihood zone
2. the description of the livelihood zones allows for the establishment of a factors that represents the part of the rural population which is likely to benefit from a given AMW solution. The factor reflects the importance of a given solution for the population living in the livelihood zone1.
3. A unit area of land per household that can benefit from a given AWM solution is established on the basis of information obtained from the case studies and literature. The number of potential beneficiaries, expressed in number of households, is then used to calculate the extent of land that could benefit from the solution.
4. The result is assessed against current extent of cropland in the suitable area, and in terms of its impact on the water balance, and adjusted downwards if needed.
The results are presented in the following tables.
1 the factors derived from sub-national statistics and livelihood mapping exercise (eg. farmers typology, livelihood typology, land holding size etc.) are applied as de-multiplying factors.
DRAFT
8 379
1 063 226
325 917
2 841 206
159 688
261 376
257 389
6 722 365
433 752
402 873
1 151 220
282 089
996 954
300 442
15 206 876
Minimum (high priority)
Maximum (high+low priority)
Rural electrification Ex-situ water harvesting
% of rural population
Minimum (high priority)
Maximum (high+low priority)
% of rural population
Livelihood zones
8 805
1 704 842
842 009
5 890 921
248 324
618 855
330 617
8 676 412
798 981
843 689
1 178 830
293 119
1 345 846
940 706
23 721 954
1.7%
39.3%
45.5%
55.0%
45.2%
75.0%
16.7%
47.9%
33.8%
14.1%
0.0%
53.2%
38.9%
37.5%
44.9%
41.5%
113 001
604
42 032
654 726
360 123
1 170 487
263 209
183 746
130 252
924 279
387 262
1 888 747
13.3%
1.0%
5.5%
15.5%
31.8%
3.3%
Potential beneficiaries
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Total
1 490
189 018
57 941
505 103
28 389
46 467
45 758
1 195 087
77 111
71 622
204 661
50 149
177 236
53 412
2 703 445
Minimum (high priority)
Maximum (high+low priority)
Rural electrification Ex-situ water harvesting
Minimum (high priority)
Maximum (high+low priority)
Livelihood zones
1 565
303 083
149 690
1 047 275
44 146
110 019
58 776
1 542 473
142 041
149 989
209 570
52 110
239 261
167 237
4 217 236
37 667
201
14 011
218 242
120 041
390 162
87 736
61 249
43 417
308 093
129 087
629 582
Potential application area (hectares)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Total