The Social and Environmental Effects of Large Dams, Volume 2 |
From inside the book
Results 1-3 of 80
Page 11
... irrigated.25 More recently , Professor Victor Kovda , of the University of Mos- cow , suggested that 250 million hectares are under irrigation , of which 120 million to 130 million have been irrigated only within the last thirty years ...
... irrigated.25 More recently , Professor Victor Kovda , of the University of Mos- cow , suggested that 250 million hectares are under irrigation , of which 120 million to 130 million have been irrigated only within the last thirty years ...
Page 67
... irrigation systems . " 18 19 The second best method for avoiding losses from seepage is to line irrigation canals . The most efficient - and ... Irrigation on Pest Populations 67 The Effects of Perennial Irrigation on Pest Populations.
... irrigation systems . " 18 19 The second best method for avoiding losses from seepage is to line irrigation canals . The most efficient - and ... Irrigation on Pest Populations 67 The Effects of Perennial Irrigation on Pest Populations.
Page 319
... IRRIGATION Even the small - scale irrigation schemes built today aim at replac- ing seasonal irrigation with perennial irrigation . The latter , however , invariably entails higher social and ecological costs- whatever the size of the ...
... IRRIGATION Even the small - scale irrigation schemes built today aim at replac- ing seasonal irrigation with perennial irrigation . The latter , however , invariably entails higher social and ecological costs- whatever the size of the ...
Contents
BEFORE THE FLOOD | 17 |
AFTER THE FLOOD | 51 |
Management and MaintenancePerennial Problems | 163 |
Copyright | |
5 other sections not shown
Other editions - View all
Common terms and phrases
acre-feet acres agricultural land Akawaio Arid Land Aswan Aswan Dam Aswan High Dam Barton Worthington benefits billion m³ Biswas Brazil Bruce Stokes building built canal Carl Widstrand caused Chagga construction cost crops cultivation cultural damage deforestation Developing Countries disease drainage earthquakes ecological economic Edward Goldsmith effects Egypt Environment Environmental estimated evaporation farmers farming feddans fertile fish flood control forest Goodland groundwater hectares High Dam hydroelectric Ibid increase India industrial inevitable irrigated land irrigation irrigation agriculture irrigation schemes irrigation system John Waterbury large dams large-scale water loss malaria ment meters million hectares Nile peasants percent perennial irrigation plans plants points pollution problem production qanats region reservoir resettlement result Rothé salinization salt schistosomiasis sedimentation seepage seismic silt social soil Sonjo Sri Lanka supply tanks Third World tion traditional irrigation Tucuruí Valley village water development schemes water projects waterlogging wildlife World Bank