GLOSSARY
Aquifer Huge storehouses of water comprising the saturated zone be- neath the water table (USGS 2009
http://ga.water.usgs.gov/ edu/
earthgwaquifer.html)
Carbon sequestration
The removal of atmospheric carbon dioxide, either through biological processes (for example, photosynthesis in plants and trees), or geological processes (for example, storage of carbon dioxide in underground reservoirs) (Department of Climate Change 2008)
Dead zone
Hypoxic (low-oxygen) areas in the world’s oceans (Science Daily undated
http://www.sciencedaily.com/articles/d/dead_ zone_(ecology).htm )
Desalination
Any mechanical procedure or process where some or all of the salt is removed from water (EMWIS 2010
http://www.semide. net/portal_thesaurus/search_html)
Downstream ecosystem
Ecosystem of a lower watercourse (WaterWiki 2009 http://wa-
terwiki.net/index.php/Downstream_ecosystem)
Economic instruments Fiscal and other economic incentives and disincentives to in- corporate environmental costs and benefits into the budgets of households and enterprises. The objective is to encourage environmentally sound and efficient production and consump- tion through full-cost pricing. Economic instruments include effluent taxes or charges on pollutants and waste, deposit-re- fund systems and tradable pollution permits (United Nations Statistics Division 2006
http://unstats.un.org/unsd/environ- mentgl/
gesform.asp?getitem=738)
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Economic valuation
The assessment, evaluation, or appraisal of business perfor- mance in matters involving ecology and finances (Oxford English Dictionary, quoted in KPV
http://kpv.arso.gov.si/ kpv/Gemet_search/Gemet_report/report_gemet_term?ID_ CONCEPT=2938&L1=94&L2=94)
Ecosystem-based management
An integrative and holistic approach to management based on the idea of systems in contrast to the traditional procedure of manag- ing sectoral activities like fishing, shipping, or oil and gas devel- opment. This approach is intended not only to draw attention to linkages among the various components of complex systems but also to consider the non-linear dynamics of socio-ecological sys- tems (Arctic Governance 2010
http://www.arcticgovernance.org/ ecosystem-based-management-ebm.4668250-142904.html)
Ecosystem services The processes by which the environment produces resources that we often take for granted such as safe water, timber, and habitat for fisheries, and pollination of native and agricultural plants (Ecological Society of America undated
http://www.esa. org/ecoservices/comm/
body.comm.fact.ecos.html)
Equity
The quality of being fair or impartial (
Dictionary.com 2010
http://dictionary.reference.com/browse/equity). A core propo- sition is that future generations have a right to an inheritance (capital bequest) sufficient to allow them to generate a level of wellbeing no less than that of the current generation (European Community 2005
http://biodiversity-chm.eea.europa.eu/ny- glossary_terms/I/intergenerational_equity)
Eutrophication
A process of pollution that occurs when a lake or stream be- comes over-rich in plant nutrient; as a consequence it becomes
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