The social and environmental effects of large dams, Volume 2A study of large-scale dams |
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Page 62
As a result, "the ecology of the northern lakes may be transformed by sea water
invasion. This would jeopardize existing and planned reclamation projects and
would also lead to increased sea-water seepage into the northern Delta aquifer.
As a result, "the ecology of the northern lakes may be transformed by sea water
invasion. This would jeopardize existing and planned reclamation projects and
would also lead to increased sea-water seepage into the northern Delta aquifer.
Page 86
As Professor John Hunter of Michigan State University points out, it has been
found that the blackfly is capable of wind-assisted dispersal over vast areas —
possibly as much as 500 kilometers.39 As a result, the area treated with
insecticides ...
As Professor John Hunter of Michigan State University points out, it has been
found that the blackfly is capable of wind-assisted dispersal over vast areas —
possibly as much as 500 kilometers.39 As a result, the area treated with
insecticides ...
Page 95
The result, says Tolmazin, was a "piscatorial disaster." Between the late 1940s
and the early 1 970s, the Black Sea saw the disappearance of the Black Sea
mackerel, the large horse mackerel, the palamida, and the blue- fish. By 1 979, "
the ...
The result, says Tolmazin, was a "piscatorial disaster." Between the late 1940s
and the early 1 970s, the Black Sea saw the disappearance of the Black Sea
mackerel, the large horse mackerel, the palamida, and the blue- fish. By 1 979, "
the ...
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Contents
BEFORE THE FLOOD | 17 |
AFTER THE FLOOD | 51 |
Management and MaintenancePerennial Problems | 163 |
Copyright | |
5 other sections not shown
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acre-feet acres agricultural land Arid Land Aswan Aswan Dam Aswan High Dam Bank Barton Worthington benefits 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 Lake large dams large-scale water loss malaria McGuire Gibson ment meters million hectares Nile peasants percent perennial irrigation plans plants points pollution problem production qanats region reservoir resettlement result salinization salt schistosomiasis sedimentation seepage seismic silt social soil Sonjo Sri Lanka supply tanks Third World tion traditional irrigation Valley village water development schemes water projects waterlogging wildlife World Bank Worldwatch Institute