References  Gleick, Peter H. (editor), Water in Crisis. A Guide to the World’s Fresh Waterresources , Oxford University Press, 1993.  Montanari, Alberto, Sustainable management of waterresources , https://distart119.ing.unibo.it/albertonew/?q=node/128 , accessed on 15.05.2019.  Seckler, David, Amarasinghe, Upali, Molden, David, Silva, Radhika de, Barker Randolph, World water demand and supply, 1990 to 2025: Scenarios and issues. Research Report 19, International Water Management Institute, Colombo, Sri Lanka, 1998.  Managementul Integrat al
J. M. Harrison, F.R.S.C.
CANADIANS are surely among the blessed, for they have inherited not
only a large part of the earth, but also about one-third of its fresh water.
We have been altogether too meek, however, in seeing that the quality
of our abundant waters remains high. Perhaps it is because there has
been so much water ready to hand that we have been laggard in the
investigations and control measures required to keep it reasonably pure.
The Great Lakes of North America probably exemplify better than
any other bodies of water the
References  Agnew, C. & Woodhouse, P. (2011). Waterresources and development, New York: Routledge.  AQUASTAT - FAO's Information System on Water and Agriculture. 2016. AQUASTAT - FAO's Information System on Water and Agriculture. Available at: http://www.fao.org/nr/water/aquastat/water_use/index.stm (Accessed 1 June 2016).  Bela Krajina water distribution network (2009). Available at: http://www.belokranjskivodovod.si (Accessed: 22 April 2016).  Blaikie, P., Brown, K., Stocking, M., Tang, L., Dixon, P. & Sillitoe, P. (1997). Knowledge in action
Wielkopolsko-Kujawskim (Anthropogenic and natural conditionings of disappearance of lakes in the Wielkopolska-Kujawy Lakeland), Rocz. Glebozn. 62(2): 283-294 (in Polish, English summary). Marszelewski W., Radomski B., 2008, Quantitative degradation of waterresources of the lakes in the eastern part of the Gniezno Lakeland, [in:] Bajkiewicz-Grabowska E., Borowiak D. (eds) Anthropogenic and natural transformations of lakes. Vol. 2., KLUG-PTLim, Gdańsk: 119-124. Marszelewski W., Skowron R., 2010, Hydrografia i warunki hydrologiczne (Hydrography and hydrological conditions