. Bonner zoologische Monographien. Zoology. BONNER ZOOLOGISCHE MONOGRAPHIEN Nr. 53/2005 thologists their plant associations are somewhat too finely split to be useful. Taiti (1992) treated six com- munities of vegetation of the Laikipia area: upland/ riverine forest; Themeda-Pennisetum grassland; Ca- rissa-Rhus-Euclea leafy bushland; Tarchonanthus-Rhus leafy bushland; bare rocky areas with sparse vegeta- tion, and cropland. For avifaunal purposes we classify habitats of the study area as follows (see also Table 1). Open habi- tats include: the bare rocky areas, water and water edges, cropland,
. Bonner zoologische Monographien. Zoology. BONNER ZOOLOGISCHE MONOGRAPHIEN Nr. 53/2005 thologists their plant associations are somewhat too finely split to be useful. Taiti (1992) treated six com- munities of vegetation of the Laikipia area: upland/ riverine forest; Themeda-Pennisetum grassland; Ca- rissa-Rhus-Euclea leafy bushland; Tarchonanthus-Rhus leafy bushland; bare rocky areas with sparse vegeta- tion, and cropland. For avifaunal purposes we classify habitats of the study area as follows (see also Table 1). Open habi- tats include: the bare rocky areas, water and water edges, cropland, including stages of cultivation, ploughed fields, and post-harvest cultivation; gardens and lawns, as the "oases" at Kuti, Center and Nglesha, and bare ground, usually associated with habitation, cattle dips, bomas, heavily used areas about tanks and dams where livestock and large wild mammals congregate, and very degraded land (worn-out pastures, some roads, portions of airstrips). There are grassland and pasture habitats such as the short grass of the three airstrips, the pasture maintained N of the Main Gate, smaller pastures near the centers (Fig. 4) and a few fire-en- forced grasslands. There are also various, semi-open microhabitats such as: urine-sated, recently aban- doned bomas; the rubbish tip or dump that often con- tains carcasses; sporadically wet rock pools and road- side drainage areas, and salt or mineral sources where some mammals and birds obtain apparently needed nutrients. Among bushland/scrubland habitats are various Acacia brevispica (called "wait-a-bit") and Croton di- chogamies areas; these are usually either degraded bush- land remnants on relatively flat ground, or steep-slope scrub that seems in part fire-dependent, and affected by loss of topsoil and compaction. Much of the bush- land may once have been upland olive Oka europaea woodland degraded through repeated burning (one frequently finds remnant olive stubs and roots amid bu
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology
