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… Changes to the hydrograph and related physical, chemical and biological processes have substantially degraded … storage. Short-term interruptions may be caused by restricted pumping regimes, power restrictions or outages, … Most of the water resources in the state are closed or restricted to new appropriations, with only 26 percent of the …

… of the functions they perform in the hydrological and chemical cycles.17 In addition to these products and … species are often rare, threatened or found only in a very restricted geographical area (endemics). Freshwater lakes and … very high temperatures. However, these endemic species are restricted to small water-bodies in desert areas and are …

… oceans, thereby threatening other important ecosystems.33 Chemical pollution, which refers primarily to persistent … generally reduces the availability of water for human use. Chemical pollutants, microbial contamination, increased … provide even stronger protections for waters reserved for restricted purposes, defines “National Reserve” as “[t]he …

… tons of sand (or another proppant); and 70–80 tons of chemical products. Figure 9 Horizontal drilling and hydraulic … secretariat, based on FracFocus, https://fracfocus.org/chemical-use/what-chemicals-are-used (accessed 13 September … gained. Commercial shale gas production has been mainly restricted to Canada and the United States. Some steps to …

… may mean that stewardship may be greater if ownership is restricted to catchment landholders and independent … the water without making any changes to the physical or chemical properties, mainly used for generating electric … to exceed natural replenishment. These are called restricted use areas.143 Water users in restricted use areas …

… in Appendix II to this Convention shall be prohibited or restricted under the conditions provided for in that … the application of ecological classification methods and chemical indices for the medium- and long-term review of …