A Six-Step Framework for Ecologically Sustainable Water Management

摘要: Concern about the availability of freshwater for use by human populations has been increasing (Gleick 1998; Postel 1999; IUCN 2000; 2000). Over last 50 years, water development projects have proliferated in developed countries and are now rapidly growing developing (WCD International debate proffered sustainable development— managing uses such that enough sufficient quality is available present future generations—as a goal communities around world (IUCN Unfortunately, this neglects impacts on other species. In United States, species most imperiled at risk extinction Pringle et al. Stein Baron 2002). To address drastic consequences unfettered ecosystems, concern depend upon to survive must be added management. The resulting ecologically management retains flows necessary protect native sustain full array products services provided natural ecosystems while meeting inter-generational needs (Richter 2003). following six-step framework (Figure 1) guide achieving fundamentals included these steps used scientists, managers, conservationists, professionals world. Packaging together creates baseline critical elements required reference point can track progress toward While six listed linear fashion numbered sequentially, it purpose simplifying their presentation. many situations, may occur different order or circled back repeatedly. step is: