Diversity of parasites and its maintenance mechnism in Central Asia

点击翻译按钮获取中文摘要

The area investigated :1. Ih Bogd-alpine, mountain steppe and subdesert steppe zones.2. Lake Orog nuur-desert zone intrazonal inclusions.3. Ulaan Tsutgalan-forest-steppe zone.4. Davaani zorlog, -Central province of Mongolia.host materials collected :In total 266 animals ; 9 Spermophylus alaschanicus, 1 S.undulatus, 97 Microtus brandti, 2 Dipus sagitta, 1 Cricetulus longicaudatus, 1 Clethrionomys rutilus, 3 Marmota sibirica, 5 Apodemus peninsulae, 2 Ochotona pallasi, 3 O.daurica, 4 Lepus tolai, 2 Calandrella rufescens, 5 Oenantha deserti, 1 Larus argentatus, 1 Columba livia, 2 Phoenicurus erythrogaster, 1 Buteo rufinus, 16 Bucanetes mongolica, 29 Bufo radde, 53 Oreoleuciscus potanini, 14 Thymallus arcticus, 5 Brachimystax lenokTopic 1. Three species of helminths : Hymenolepis horrida, Dentostomella translucida and Catenotaenia afghana reported for the first time from Microtus brandti. The structure of helminth communities of the M.brandti at different stages of population dynamics was a … More nalyzed and possible bioindicator species (Syphacia spp., Catenotaenia afghana, Hymenolepis horrida) are recognized.The new local population of M.brandti in extremal conditions of subdesert zone was found.Topic 2. The helminth fauna of the geographically isolated populations of Marmota sibirica, Ochotona pallasi and Spermophylus alashanicus was studied for the first time. Ctenotaenia marmotae, Anoplocephaloides transversaria, Citellina alatau registered in M.sibirica ; Dermatoxys veligera, Gvosdevilepis fragmentata registered in Lepus tolai ; Cephaluris andreievi, Dermatoxys schumakovitchi, Labiostomum vesicularis, Graphidiella olsoni, Schizorchis altaica were found in O.pallasi ; Hymenolepis megaloon, Citellina dispar registered in S.alaschanicus ; Killigrevia oenopopelia was found in Columba livia, two species of Cosmocercoides were found in Bufo radde ; Taenia multiceps larvae and T.hydatigena larvae were found in Capra hircus and Ovis aries, respectively. New species of helminths for Mongolia : Catenotaenia afghana, Citellina alatau, C.dispar, Cosmocercoides sp., Cosmocerca commutata, Killigrewia oenopopelia, Ascaris sp., Schizorchis sp.Tpic 3. Mesocestoides sp.was succesfully completed and fully matured. Less