(n.) A tract of level land covered with the vegetable growth usually found in a damp soil and warm climate, -- as grass or reeds, -- but destitute of trees.
Example Sentences:
(1) As yet there is no evidence that the occurrence of savanna flies in the rain forest zone of Liberia was of epidemiological significance.
(2) All the districts were situated in the savanna zone.
(3) In savanna the prevalence of serious ocular lesions and blindness due to onchocerciasis are much higher than in forest.
(4) sp., is described from the subcutaneous tissues of the savanna armadillo (Dasypus sabanicola) in Venezuela.
(5) species complex has been implicated in disease transmission and only the two dangerous, morphologically similar, savanna cytospecies, S. damnosum s.s. and S. sirbanum, have been identified from breeding sites close to known onchocerciasis foci.
(6) Whilst the overall antigenic patterns were similar, there were, however, clear differences between the antigen preparations which gives further evidence for antigenic diversity of O. volvulus from savanna and rain forest areas.
(7) Extant bovids inhabit a wide diversity of environments that range from forest to savanna and display locomotor patterns that are habitat specific.
(8) The rates of onchocercal ocular disease and blindness, however, were significantly lower than those found in savanna villages with similar levels of endemicity.
(9) Results indicated that, apart from malnutrition during the dry season, gastrointestinal nematode infections, especially haemonchosis, represent a major constraint on the health and productivity of N'Dama cattle under West African savanna conditions.
(10) Single-element strain gauges were placed across the mesokinetic joint of the skull of the savanna monitor lizard, Varanus exanthematicus Bosc, in order to document the extent and timing of mesokinetic movement.
(11) It allows a good prediction of the severity of onchocercal ocular disease in savanna communities using parasitological information only.
(12) In the savanna the corresponding quantities were much higher in the three more heavily infected villages compared with the three less heavily infected ones.
(13) Forest onchocerciasis is not a major cause of uveitis in southern Nigeria in the same way as savanna onchocerciasis is in northern Nigeria.
(14) A total of 1,705 sandflies was collected by sticky trap from the Guinea savanna of northern Nigeria to determine their seasonal and spatial fluctuations in abundance.
(15) One hundred and six asthma patients were studied in Zaria in the Nigerian savanna region.
(16) The examination of 250 cases of onchocerciasis from the Sudan-savanna of northern Cameroon showed a strong association between microfilarial invasion of the eye and microfilarial skin concentrations at the outer canthus.
(17) A cloned sequence, pOvs134, was isolated from a genomic library prepared from Onchocerca volvulus of savanna origin in the plasmid pUC9.
(18) The prevalence of moderate or severe skin lesions was 17.7% in forest and 13.0% in savanna villages.
(19) "It's the only park in the world with three types of great apes (mountain and lowland gorillas, chimpanzees), extensive large savanna mammals (elephants, buffaloes, hippos, large cats etc), and completely unique species like the okapi."
(20) Thus, one group was composed almost entirely of East African stocks, and another of stocks from both East and West Africa, although each group was of savanna origin.
Steppe
Definition:
(n.) One of the vast plains in Southeastern Europe and in Asia, generally elevated, and free from wood, analogous to many of the prairies in Western North America. See Savanna.
Example Sentences:
(1) The Soyuz capsule carrying Hadfield and two crewmates, the US astronaut Thomas Marshburn and the Russian Roman Romanenko, was expected to touch down on the Kazakhstan steppes at 3.31am BST.
(2) The species is recorded in the forest-steppe zone of the Ukraine.
(3) The forth step is the stratified mucous (steppe turtle) and stratified muco-ciliated epithelium (fetuses of birds, many mammals and man).
(4) The features of specific adaptation to Alpine, steppe and taiga zones are found against a background of expressed continental adaptive type.
(5) The farmer told me he'd had bison here as well, and other creatures of the prairies and steppes.
(6) Flannel flags (100 X 200 mm) were tested for fleas collection directly at the entrances of rodents' holes in the steppe region.
(7) In steppe zone foci cases of echinococcosis in humans are regularly recorded and a large stratum of seropositive subjects was revealed by the indirect hemagglutination and latex agglutination tests.
(8) n., from the steppe zone of the Ukraine is described.
(9) Blood-sucking mosquito fauna, season and circadian activity of predominant species, dynamics of hatching place formation in the villages and on the territories surrounding the Golodnaya and Dzhizakskaya steppes have been studied for many years and the materials have been presented.
(10) This is exemplified from the sheep production (utilization of the desert steppe under the conditions of the subtropical winter rain climate) and from the cattle production (utilization of the savannah under the conditions of the alternate humid tropical zone).
(11) Studies of land irrigation effect on Phlebotomus sandflies, carriers of Leishmania major (a zoonotic cutaneous leishmaniasis causative agent)--were performed for 15 field work periods, from 1967 to 1981, at 18 sites in various natural areas of the Karshi Steppe (Uzbek SSR).
(12) A T-shaped carrier with twin test objects is an inexpensive efficient visual field screening device which facilitated identification of a nasal steppe, a paracentral scotoma, an enlarged blind spot, an arcuate scotoma, macular sparing, or hemianopic defects.
(13) The autopsy of animals have shown that five species of six species of nematodes and one species of cestodes are common parasites of ruminants of the Ukraine steppe zone and two species are specific parasites of eland.
(14) The size of such immune stratum characterizes the activity of natural foci: the largest immune stratum (25.4%) exists among the population of regions with broad-leaved forests, this stratum is somewhat less (12.2-13.2%) in regions with combined coniferous and broad-leaved forest, in regions with different combinations of broad-leaved forests and steppes, as well as mountain forests.
(15) The use of current laboratory methods demonstrated a wide spread of HFRS virus in the territory of this country, involvement in the epizootic process of most species of forest and steppe murine rodents and insectivora.
(16) The Ascanian multi-foetus and pure-bred Karakul sheep reared in the steppe region of the Ukraine are characterized by five-allelic status of transferrin and by diallelic serum arylesterase and alkaline phosphatase.
(17) Again, that was long before I moved the market.” Steppe said Houser was believed to have taken phone calls.
(18) The results of the long-term investigations of the original Altai-Sayany inhabitants' morphophysiological features in connection with general research of adaptation to Alpine, steppe, taiga and desert ecological niches are represented in the article.
(19) A survey of the same human contingents (children under 14 years and adults) in different zones of Ukraine revealed the opisthorchiasis foci of different intensity in the northeastern part of Polesye and in the forest-steppe zone.
(20) Hydrologic characteristic of Dnepropetrovsk, which is situated in drought steppe zone, is presented.