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Control of gliding angle in Rüppell's Griffon Vulture Gyps rüppellii
(University of Nairobi, 1970-11)
1. The drag of the frozen, wingless body of a Rüppell's griffon vulture was measured in a wind tunnel with a simple drag balance. The drag coefficient with feet and neck retracted was 0.43, based on the greatest cross-sectional ...
The South Turkana Expedition: Scientific Papers III. A Geological Reconnaissance of South Turkana
(University of Nairobi, 1970)
Gliding Flight Of The White-backed Vulture Gyps Africanus
(University of Nairobi, 1970-11)
1. Glide-comparison measurements were made on ten species of East African soaring birds using a Schleicher ASK-14 powered sailplane. Horizontal and vertical speed differences between bird and glider were measured by a ...
Plant Dispersal by Hares (Lepus Capensis L.) in Kenya
(University of Nairobi,, 1970)
Of 369 hares examined, 160 had a total of 810 disseminules of 17 plant species in
their fur. The six commonest plants were Tragus berteronianus, Achyranthes aspera, Pupalia
lappacea, Boerhavia repense, Harpachne schimperi, ...
Effect of gibberellic acid (GA3) and temperature on seed germination of Rauvolfia serpentina
(1970)
GA was applied at 250, 500, 750 or 1000 mg/l. The 500-mg level in the laboratory increased germination from 5 (control) to 45.2%, and survival from 2 to 25.7%. Under field conditions the comparable figures for germination ...