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Németh, Ferenc: Vegetation structure studies on steppe and semidesert plant communities of Outer Mongolia 1. Textural relations

(Works of the Mongolian Committe) 9, Izdatelstvo Akademii Nauk S.S.S.R. (Academic Press of USSR), Moscow, Leningrad, 204 pp. PÓCS, T. (1976): Komplex vegetációtanulmányok Kelet-Afrikában. (Complex vegetation studies in East Africa.) - Academic dissertation, mscr. SHILOYA, G. N. (1973): Razvitie rastitelnosti Mongolii v pliocene i pleistocene. V: Palinologia pleistocena i pliocena. Trudi III. mezhdunarodnoy palinologicheskiy konferentsii. (The development of the vegetation in Mongolia during pliocene and pleistocene.) - In: Palinology of pleistocene and pliocene, Proceedings of the 3rd International Palinological Conference. Nauka, Moscow, pp. 167-170. SVESHNIKOVA, V M, BOBROVSKAYA N. I. and TSEND, SH. (1976): Vodniy rezhim rasteniy v yuzhnoy tshasti Mongolskoy Narodnoy Respubliki. (Water regime of the plants of the southern part of MPR.) - Bot. Zhurn. SSSR 61(1): 106-111. YUNATOV, A A (1954): Kormovye rasteniya pastbish i senokosov Mongolskoy Narodnoy Respubliki (Fodder plants of pastures and meadows of the Mongolian People's Republic.) - Trudi Mongolskoy Komissii (Works of the Mongolian Committe) 56, Izdatelstvo Akademii Nauk S.S.S.R. (Academic Press of USSR), Moscow, Leningrad, 352 pp. Author's address: NÉMETH, F. Botanical Department of the Hungarian Natural History Museum H-1476 Budapest, Pf.: 222 HUNGARY Table 1. The Bayan Tsagan sample Species Family Life-form Number (n) Frequency log(n Stipa cf. glareosa P. Smirn. Poac. gra 996 .973 3.00 Ajania achilleoides (Turcz. ) gra Poljak Aste. cha 794 .775 2.90 Anabasis brevifolia CA.Mey. Chen. cha 103 .101 2.01 Eurotia ceratoides (L.) CA.Mey. Chen. cha 45 .044 1.65 Iris Bungei Maxim. Irid. geo 37 .036 1.57 Oxytropis aciphylla Ldb. Faba. cha 15 .015 1.18 Ptilotrichum canescens CAMey. Bras. cha 12 .012 1.08 Dontostemon senilis Maxim. Bras. hem 3 .003 0.48 Astragalus Junatovii Sancz. Faba. cha 1 .001 0