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Karen Dykes
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2021-12-08
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  • Fauna [underlined]:- Insects [underlined] Some flightless Acridids [underlined]. A Bibionid [underlined] fly lives its entire life in the Lobelia flowers, chironomids in lead "ponds". Herbivores [underlined] Hyrax (Procavia johnstoni mackinderi) Duiker (Silviacapra [Sylvicapra] grimmia [underlined], groove toothed rat (Otomys onstes) + mole rat Tachyoryctes [underlined]. Steinbuck were seen by us up into the lower Alpine Zone. Biomass + relation to vegetation. In some places run of Otomys occupied 30 [degree symbol]-40 [degree symbol] [think he meant %] of available ground. In an area where 80 Hyrax were foraging over 250,000 sq [square] yds [yards] total wt [weight] of Hyrax was calculated to be 486 lbs [pounds] (including yng [young]) Est. [estimate] was about 20% of the area was actually being used. Est. [estimated] daily veg. [vegetation] consumption met by entire colony 83.2 lbs [pounds]. Over an area of 10.3 acres actually used est [estimated] removal was 8.1 lbs [pounds]/acre/day. while the area supported about 50 lbs [pounds]/acre. Most species of sunbirds produce 2+3 eggs, the Scarlet Tufted - only 1 egg Hyrax, one per birth, whereas lowland averages 2-4 (1-6) See references to Pearsell, WH. 1950 Mountains + Moorlands, London 1961 Survival in drought, New Scientist 12 [underlined] no [number] 362:489-491.
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