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… built into practical work on many different areas such as waste management, economic use of nature resources, new bio- … three hydropower plants have been built with a total water storage volume of 3.730 x 106m3, a huge capacity totalling … consumption of resources (land, water, energy), and waste and sewage products also have a negative impact (Engels …

… to streams moderate flood levels by providing floodwater storage. The lateral spread of floodwaters slows the movement … of streams by depositing sandbanks. The loss of storage capacity in reservoirs and large dams as a result of … and phosphorus, from fertilizers and human or animal waste causes artificial enrichment (eutrophication) of water …