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Integration Of Forage Production And Range Improvement In The Irrigated Gezira Scheme In The Sudan, Abdel Gader Ahmed Osman
Integration Of Forage Production And Range Improvement In The Irrigated Gezira Scheme In The Sudan, Abdel Gader Ahmed Osman
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
The Gezira is an area of land, a part of the Democratic Republic of the Sudan, which lies between the Blue Nile and the White Nile. The area extends in a triangular shape from the junction of the two Niles at Khartoum on the north to the city of Sennar on the south (Figure 1). The area of this extremely flat plain is approximately two million hectares, one million of which are irrigable. It is considered the largest farm under one management in the world (Barbour, 1961).
Some Aspects Of Geochemistry Of The Water And Sediment Of Bear Lake, Idaho-Utah, Richard H. Fuller
Some Aspects Of Geochemistry Of The Water And Sediment Of Bear Lake, Idaho-Utah, Richard H. Fuller
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Development by man through the last half century has caused a number of changes in Bear Lake. These changes include the diversion of Bear River water into Bear Lake, the pumping of lake water back into the river, and the building of breakwaters and other obstructions along the shore of Bear Lake.
The diversion of Bear River water into the lake has resulted in a yearly addition of an estimated 36,000 metric tons of calcium into the lake, which has caused the precipitation of an estimated minimum 90,000 metric tons of aragonite. The pumping of Bear Lake water back into …
Food And Distribution Of Underyearling Brook And Rainbow Trout In Castle Lake, California, Wayne A. Wurtsbaugh, R. Brocksen, C. Goldman
Food And Distribution Of Underyearling Brook And Rainbow Trout In Castle Lake, California, Wayne A. Wurtsbaugh, R. Brocksen, C. Goldman
Watershed Sciences Faculty Publications
A difference was found in the summer distribution of underyearling brook trout, Salvelinus fontinalis (Mitchill), and planted rainbow trout, Salmo gairdneri Richardson, in Castle Lake, California. Brook trout underyearlings oriented to the bottom and were found primarily in shallow water on the eastern shore of the lake near springs. The rainbow trout underyearlings were more pelagic and were found in the littoral areas along the entire shoreline. Gravimetrically, the food eaten during the summer by brook trout underyearlings was 13% terrestrial, 11% limnetic, and 76% benthic. Rainbow trout ate 15% terrestrial, 15% limnetic, and 70% benthic food. In summer, rainbow …
Effect Of Density On The Population Dynamics Of Perognathus Formosus And Its Relationships Within A Desert Ecosystem, R. M. Chew
Memorandum
No abstract provided.
Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez
Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez
Memorandum
No abstract provided.
Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall
Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall
Memorandum
No abstract provided.
Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory
Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory
Reports
No abstract provided.
Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall
Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall
Progress reports
No abstract provided.
Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez
Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez
Progress reports
No abstract provided.