The need to increase water productivity is a growing global concern as the World Commission on Water has estimated that demand for water will increase by c. 50% over the next 30 years and approximately half of the world's population will experience conditions of severe water stress by 2025. Three-quarters of African countries are expected to experience unstable water supplies, whereby small decreases in rainfall induce much larger reductions in streamflow.
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Showing items 1 through 9 of 22.-
Library ResourceJournal Articles & BooksDecember, 2006India, Australia, Kenya, Africa, Eastern Africa
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Library ResourceJournal Articles & BooksDecember, 2006Bangladesh, Dominican Republic, Bulgaria, Bolivia, Costa Rica, Niger, Colombia, Ecuador, Romania, Burundi, El Salvador, Mali, Chile, China, Australia, New Zealand, Morocco, Turkey, Albania, Italy, Argentina, Armenia
The present water report is the final product emanating from efforts by FAO, IWMI and others to document and understand the implications of the irrigation sector embarking on a wide reform process. It is intended to be a knowledge synthesis document that captures the global experiences emerging from a wide-reaching process targeting the reform of the irrigation sector. This study indicates that IMT is an approach for irrigation sector reform with the potential to improve the sust ainability of irrigation systems.
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Library ResourceJournal Articles & BooksDecember, 2006Indonesia, Papua New Guinea
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Library ResourceJournal Articles & BooksDecember, 2006New Zealand, Oceania
This paper examines the potential for phosphorus (P) release from intensively grazed pasture to waterways. In particular it describes the P release processes occurring in riparian buffer strips. Soil samples at three depths (0 2.5, 2.5 7.5, and 7.5 15 cm) were collected from riparian buffer strips, including wetland and non?riparian areas at three pasture sites. These soil samples were analysed for total P, plant available P as measured by Olsen P, and soil solution P as measured by 0.01M CaCl2?extractable P.
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Library ResourceJournal Articles & BooksDecember, 2006Indonesia, Malaysia, Papua New Guinea, Laos, France, Netherlands
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Library ResourceJournal Articles & BooksDecember, 2006Ecuador, Brazil, Vietnam, Bangladesh, Thailand, Australia, Indonesia
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Library ResourceJournal Articles & BooksDecember, 2006New Zealand
Ecosystem level processes and species interactions have become important concepts in conservation and land management. Despite being New Zealand’s greatest contributors to global diversity, native invertebrates have been largely overlooked in the assessment of land values, and their diversity has often been assumed to reflect native plant diversity without justification. Invertebrates can in fact affect plant species composition, and in ecosystems such as New Zealand’s remaining indigenous and semi-modified tussock grasslands can do so in excess of more conspicuous vertebrate grazers.
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Library ResourceJournal Articles & BooksDecember, 2006France, Australia, Europe, Oceania
Emerging concerns for environmental flows translate into reforms that aim to preserve minimal flows in rivers. These policy measures have consequences for traditional right-holders: how to share between consumptive users the new scarcity created by the protection of instream flows? This paper compares different policy mechanisms in France, Australia and California in an attempt to answer the questions of how to allocate water restrictions and compensations and how to pursue simultaneously efficiency, equity and acceptability objectives.
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Library ResourceJournal Articles & BooksDecember, 2006Australia
This study examined the occurrence, relative abundance and condition of platypuses in the upper catchment of the South Esk River, in north-east Tasmania, Australia, and the impact of past forestry activities on the occurrence of platypuses in first order headwater streams. The main trapping sites were in twenty first order streams, eight second-fourth order headwater streams and one fifth order stream reach. Additional trapping was also undertaken in the South Esk River and farm dams. Sites were trapped during late spring/mid summer and early autumn.
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Library ResourceJournal Articles & BooksDecember, 2006France, Australia, Europe, Oceania
Emerging concerns for environmental flows translate into reforms that aim to preserve minimal flows in rivers. These policy measures have consequences for traditional right-holders: how to share between consumptive users the new scarcity created by the protection of instream flows? This paper compares different policy mechanisms in France, Australia and California in an attempt to answer the questions of how to allocate water restrictions and compensations and how to pursue simultaneously efficiency, equity and acceptability objectives.
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