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Displaying 791 - 795 of 1605Lost in translation? Water efficiency in Spanish agriculture
This paper re-visits the concept of water efficiency applied to Spanish agriculture and assesses how this technical concept is sometimes lost in translation when applied at different spatial scales. The paper traces the historical dominance of irrigated agriculture in Spanish water policy. It analyses the water efficiency concept at the macro level, by evaluating recent national policy initiatives and public investment programmes over the last decade to modernise irrigation, which anticipated large water savings.
Community stakeholders’ knowledge in landscape assessments – Mapping indicators for landscape services
The evaluation of landscape services essentially deals with the complex and dynamic relationships between humans and their environment. When it comes to landscape management and the evaluation of the benefits these services provide for our well-being, there is a limited representation of stakeholder and intangible values on the land. Stakeholder knowledge is essential, since disciplinary expert evaluations and existing proxy data on landscape services can reveal little of the landscape benefits to the local stakeholders.
Evaluation of environmental policies targeting irrigated agriculture: The case of the Mooki catchment, Australia
An integrated biophysical and economic model is used to determine the effects of using more water efficient irrigation systems and trade in water rights on the environmental performance of irrigation enterprises in the Mooki catchment within the Murray–Darling Basin, Australia. We find that improved water use efficiency increased profit in the presence of modern irrigation technologies and water trading. Salinity risk downstream is reduced due to the fall in saline discharge from the catchment, and irrigation water is traded away from ecologically significant regions.
Informing conservation policy design through an examination of landholder preferences: A case study of scattered tree conservation in Australia
Choosing effective policy instruments to achieve conservation goals has many challenges. We explore the challenge of instrument choice in the context of landscape-scale conservation on private land, where the challenge is to select instruments that are able to influence the management practices of large numbers of landholders with diverse values, beliefs and management priorities. We report on a landholder survey and workshop undertaken as part of a study focused on reversing scattered tree decline on private grazing land in Australia.
Relationships between climate, water resources, land use and diffuse pollution and the significance of uncertainty in climate change
A multi-scale study has been undertaken to explore the relationships between climate, water resources, land use and diffuse pollution in order to assess the significance of projected future changes in climate and the uncertainty inherent in these projections. Two climate simulations from the GCM–RCM Perturbed Physics Ensemble developed by the UK Met Office Hadley Centre, broadly representing the extremes of future climate simulations, were downscaled and applied to a grid-based dynamic national water balance and nitrate model for Scotland.