Limnology and Marine Biology in the Sudan

Front Matter....Pages I-XI
The Nile: Description, hydrology, control and utilisation....Pages 1-13
Implications of sea mining for the Red Sea environment....Pages 15-19
Physical and chemical characteristics of the Blue Nile and the White Nile at Khartoum....Pages 21-32
A faunistic reconnaissance of Lakes Kundi and Keilak, western Sudan....Pages 33-44
A note on some investigations carried out in the area of the Sudan Plain to be affected by the Jonglei Canal....Pages 45-46
A quantitative study of the phytoplankton in the Blue and White Niles at Khartoum....Pages 47-55
Primary production and respiration of the phytoplankton in the Blue and White Niles at Khartoum....Pages 57-59
Some algae from the Red Sea Hills in north-eastern Sudan....Pages 61-77
Permanent swamp vegetation of the Upper Nile....Pages 79-90
Effects of 2,4-D on mature and juvenile plants of water hyacinth ( Eichornia crassipes (Mart.) Solms)....Pages 91-93
Observations on the effect of the weevils Neochetina eichhorniae Warner and Neochetina bruchi Hustache on the growth of water hyacinth....Pages 95-98
Mineral nutrient demands of the water hyacinth ( Eichhornia crassipes (Mart.) Solms) in the White Nile....Pages 99-108
Ecological observations on mangroves of the Red Sea shores of the Sudan....Pages 109-111
A review of the rotifer fauna of the Sudan....Pages 113-130
 Bogidiella nubica n. sp. from interstitial waters of the Sudan (Crustacea: Amphipoda)....Pages 131-134
The occurrence of Limnohalacarus (Acari: Halacaridae) in Lake No, White Nile....Pages 135-136
On the freshwater ostracods (Crustacea, Ostracoda) of the Sudan, with special reference to the Red Sea Hills, including a description of a new species....Pages 137-161
Cladocera from the Sudan: Red Sea Hills, Jebel Marra and valley of the main Nile....Pages 163-169
 Nilobathynella predynastica n.g., n.sp. (Crustacea:Bathynellacea) from the Nile valley in Nubia....Pages 171-175
 Parapseudoleptomesochra attirei n.sp., a new species of Nitocrella from Nubia (Copepoda, Harpacticoida)....Pages 177-180
Dragonflies (Insecta, Odonata) from the Red Sea Hills and the main Nile in Sudan....Pages 181-190
The calanoid copepods of the Nile system....Pages 191-212
Food and food selection of the Penaeid prawn Penaeus monodon (Fabricius)....Pages 213-217
Ring formation and annual growth in Corbicula consobrina Caillaud, 1827 (Bivalvia, Corbiculidae)....Pages 219-225
The invasion of Biomphalaria pfeifferi by Schistosoma mansoni miracidia and the development of daughter sporocysts....Pages 227-233
Location of Biomphalaria pfeifferi by Schistosoma mansoni miracidia in stagnant and running water under field conditions....Pages 235-240
Feeding and growth of the pearl oyster Pinctada margaritifera (L.) in Dongonab Bay, Red Sea....Pages 241-245
Aquatic snails of the Jonglei region, southern Sudan, and transmission of trematode parasites....Pages 247-271
The food and growth of pelagic 0+ Alestes nurse (Characidae) from the Blue Nile, near Khartoum....Pages 273-279
Use of the frontal bone in age determination of Labeo horie (Pisces, Cyprinidae) in Jebel Aulia Reservoir, Sudan....Pages 281-286
Seasonal abundance, breeding and sex-structure of populations of Tilapia nilotica (L.) and Labeo niloticus (F.) in the Jebel Aulia Dam area of the White Nile....Pages 287-294
Aspects of the biology of the catfish Clarias lazera (Cuv. & Val.) related to its economic cultivation....Pages 295-304
Fishes and fisheries of Lake Nubia, Sudan....Pages 305-314
Gill net selectivity in Lake Nubia fisheries....Pages 315-317
Breeding of Barbus bynni (Pisces, Cyprinidae) in Jebel Aulia Reservoir, Sudan....Pages 319-325
Food and feeding habits of Labeo niloticus (Pisces, Cyprinidae) in Jebel Aulia Reservoir, Sudan....Pages 327-332
On the reliability of the growth rings in two species of the family Characidae in the Sudan....Pages 333-338
Adaptive respiratory significance of organophosphates (ATP & GTP) in air-breathing fishes....Pages 339-349
Development of dependence on aerial respiration in Polypterus senegalus (Cuvier)....Pages 351-363