Managing water by managing land: Addressing land degradation to improve water productivity and rural livelihoods

Bossio, Deborah A.; Geheb, K.; Critchley, William

doi:10.1016/j.agwat.2008.12.001

Cited by 162 publications

(113 citation statements)

References 17 publications

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“…Erosion can also be reduced within agricultural zones by particular resource-conserving agricultural practices. For an overview on such practices refer to Bossio et al (2010). These include agroforestry (the incorporation of trees into agricultural systems) or conservation agriculture (which combines non-inversion tillage (minimum or zero tillage in place of plowing) with mulching or cover cropping and crop rotation).…”

Section: Land Use Planning and Soil Conservation; Flood Managementmentioning

confidence: 99%

“…4.2.4); (3) increasing the value per unit of water by integrating livestock and fisheries in irrigated systems; (4) in A. N. Laghari et al: The Indus basin in the framework of current and future water resources management situ soil and water management and water harvesting techniques (bunds, terracing, contour cultivation, land levelling, etc.). An overview on resource-conserving agricultural practices that increase water productivity is given by Bossio et al (2010).…”

Section: Increasing Water Productivity (Wp) For Agriculture (Irrigatementioning

confidence: 99%

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The Indus basin in the framework of current and future water resources management

Laghari

Vanham

Rauch

2012

Hydrol. Earth Syst. Sci.

193

112

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Abstract. The Indus basin is one of the regions in the world that is faced with major challenges for its water sector, due to population growth, rapid urbanisation and industrialisation, environmental degradation, unregulated utilization of the resources, inefficient water use and poverty, all aggravated by climate change. The Indus Basin is shared by 4 countriesPakistan, India, Afghanistan and China. With a current population of 237 million people which is projected to increase to 319 million in 2025 and 383 million in 2050, already today water resources are abstracted almost entirely (more than 95 % for irrigation). Climate change will result in increased water availability in the short term. However in the long term water availability will decrease. Some current aspects in the basin need to be re-evaluated. During the past decades water abstractions -and especially groundwater extractionshave augmented continuously to support a rice-wheat system where rice is grown during the kharif (wet, summer) season (as well as sugar cane, cotton, maize and other crops) and wheat during the rabi (dry, winter) season. However, the sustainability of this system in its current form is questionable. Additional water for domestic and industrial purposes is required for the future and should be made available by a reduction in irrigation requirements. This paper gives a comprehensive listing and description of available options for current and future sustainable water resources management (WRM) within the basin. Sustainable WRM practices include both water supply management and water demand management options. Water supply management options include: (1) reservoir management as the basin is characterised by a strong seasonal behaviour in water availability (monsoon and meltwater) and water demands; (2) water quality conservation and investment in wastewater infrastructure; (3) the use of alternative water resources like the recycling of wastewater and desalination; (4) land use planning and soil conservation as well as flood management, with a focus on the reduction of erosion and resulting sedimentation as well as the restoration of ecosystem services like wetlands and natural floodplains. Water demand management options include: (1) the management of conjunctive use of surface and groundwater; as well as (2) the rehabilitation and modernization of existing infrastructure. Other demand management options are: (3) the increase of water productivity for agriculture; (4) crop planning and diversification including the critical assessment of agricultural export, especially (basmati) rice; (5) economic instruments and (6) changing food demand patterns and limiting post-harvest losses.

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Section: Land Use Planning and Soil Conservation; Flood Managementmentioning

confidence: 99%

Section: Increasing Water Productivity (Wp) For Agriculture (Irrigatementioning

confidence: 99%

The Indus basin in the framework of current and future water resources management

Laghari

Vanham

Rauch

2012

Hydrol. Earth Syst. Sci.

193

112

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“…With a length of about 510 km and with two most important tributaries, Zou (150 km) and Okpara (200 km), the Ouémé river drains into Lake Nokoué (150 km 2 ) and flows through the coastal lagoon system into the sea. Rainfall-runoff variability is high in the catchment, leading to runoff coefficients varying from 0.10 to 0.26 (of the total annual rainfall), with the lowest values for the savannahs and forest landscapes [9].…”

Section: Study Areamentioning

confidence: 99%

“…A global survey suggests that 40% of agricultural land is already degraded to the point that yields are greatly reduced, and a further 9% is degraded to the point that it cannot be reclaimed for productive use by farm level measures [2]. According to the Global Assessment of Human-induced Soil Degradation (GLASOD) [1,3,4] estimates, degradation of cropland appears to be most prevalent in Africa, affecting already in the 1990s 65% of cropland areas, compared with 51% in Latin America and 38% in Asia.…”

Section: Introductionmentioning

confidence: 99%

Scenario-Based Impacts of Land Use and Climate Change on Land and Water Degradation from the Meso to Regional Scale

Bossa

Diekkrüger

Agbossou

2014

Water

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Scale-dependent parameter models were developed and nested to the Soil and Water Assessment Tool-SWAT to simulate climate and land use change impacts on water-sediment-nutrient yields in Benin at a regional scale (49,256 km²). Weighted contributions of relevant landscape attributes characterizing the spatial pattern of ongoing hydrological processes were used to constrain the model parameters to acceptable physical meanings. Climate change projections (describing a rainfall reduction of up to 25%) simulated throughout the Regional Model-REMO, very sensitive to a prescribed degradation of land cover, were considered. Land use change scenarios in which the population growth was translated into a specific demand for settlements and croplands (cropland increase of up to 40%) according to the development of the national framework, were also considered. The results were consistent with simulations performed at the meso-scale (586 km 2 ) where local management operations were incorporated. Surface runoff, groundwater flow, sediment and organic N and P yields were affected by land use change (as major effects) of −8% to +50%, while water yield and evapotranspiration were dominantly affected by climate change of −31% to +2%. This tendency was more marked OPEN ACCESSWater 2014, 6 3153 at the regional scale as response to higher scale-dependent rates of natural vegetations with higher conversions to croplands.

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“…El agua, el suelo, el medio ambiente, la agricultura, el desarrollo rural o la energía son algunas de las variables sobre las cuales se han definido las políticas sectoriales de ámbito comunitario que condicionan la dinámica y la gestión del regadío (Bossio et al, 2009). Con ello, la Política Agrícola Común, la Directiva Marco del Agua o el Programa de Acción para el Medio Ambiente han focalizado buena parte de los discursos, las acciones y las críti-cas sobre el binomio formado por la gestión de los bienes comunes y su aprovechamiento para fines eminentemente productivos.…”

Section: Las Políticas De Referencia Del Regadíounclassified

Gestionar desde la territorialidad: ¿cómo integrar la multifuncionalidad y la participación social en la legitimación del regadío?

Ricart¹,

Palom²,

Verdaguer³

2014

Proceedings - Irrigation, Society and Landscape. Tribute to Thomas F. Glick

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Resumen. La estrategia por gestionar el territorio, los recursos naturales y las demandas sociales ha tenido en el desarrollo del regadío un aliado fiel a lo largo de los años. En países como España, Francia e Italia la apuesta por el regadío da fe del vínculo indisociable entre toda actividad económico-productiva del agua y la vertebración del territorio. Regiones como Cataluña, Midi-Pyrénées y Lombardia simbolizan, a su vez, el amplio bagaje cultural del regadío. En esta comunicación se presentan tres casos de estudio (canal Segarra-Garrigues, canal de la Neste y canal de la Muzza) que afrontan la multifuncionalidad del regadío desde políticas, actuaciones y percepciones sociales distintas. A su vez, se presentan las bases de la gestión territorial del regadío como mecanismo de adaptación a la complejidad que supone el trinomio formado por los recursos naturales disponibles, las demandas sociales cambiantes y la vertebración del territorio. La aplicación de dichas bases tiene por finalidad identificar las variables que justifican el (des) acuerdo entre la diversidad de discursos asociados a la promoción del regadío así como determinar el perfil del actor dominante, legitimar el mismo o dilucidar las mejores estrategias y/o acciones para la gestión integrada del agua entre demandas en competencia.Palabras clave: territorio, multifuncionalidad, regadío, legitimación. Abstract:The strategy to manage the territory, natural resources, and social demands has been supported by the development of irrigation along the years. In countries like Spain, France or Italy, the commitment on irrigation attests the inseparable link between all economic and productive water use and the structuring of the territory. Regions such as Catalonia, Midi-Pyrenees and Lombardy symbolize, in turn, the broad cultural background of irrigation. In this paper we present three case studies (SegarraGarrigues irrigation canal, Neste irrigation canal, and Muzza irrigation canal) which face multifunctionality differing from irrigation policies, actions, and social perceptions. In turn, the bases of the territorial management of irrigation will be presented as a mechanism to adapt to the complexity to affront the trinomial relationship between availability of natural resources, changing social demands, and the structuring of the territory. The application of those bases is intended to identify variables to justify the (dis) agreement between the diversity of discourses associated with irrigation' promotion, as well as to determine the dominant stakeholder' profile, its degree of legitimacy, or ascertain the best strategies and/or actions for the integrated management of water resources between competing water demands.

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Managing water by managing land: Addressing land degradation to improve water productivity and rural livelihoods

Cited by 162 publications

References 17 publications

The Indus basin in the framework of current and future water resources management

The Indus basin in the framework of current and future water resources management

Scenario-Based Impacts of Land Use and Climate Change on Land and Water Degradation from the Meso to Regional Scale

Gestionar desde la territorialidad: ¿cómo integrar la multifuncionalidad y la participación social en la legitimación del regadío?

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