5 research outputs found

    Lichenicolous fungi from Kodar Range, Trans-Baikal Territory of Russia

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    Sixty three species of lichenicolous and allied fungi are reported, 47 of which are new to Trans-Baikal Territory of Russia. A presumably undescribed Llimoniella-like discomycete on Protoblastenia terricola is illustrated and discussed. Plectocarpon melanohaleae is first recorded in the northern hemisphere. Diplolaeviopsis ranula, Endococcus alectoriae, E. verrucisporus, Epigloea filifera, Sagediopsis fissurisedens and Talpapellis peltigerae var. peltigerae are new to Russia and Asia. Endococcus macrosporus is new to Russia. Lichenostigma rupicolae, Opegrapha geographicola and Unguiculariopsis lettaui are new to Siberia. Arthonia molendoi, Dactylospora glaucomarioides, Didymocyrtis consimilis, Epibryon conductrix, Muellerella lichenicola, Phaeospora cf. rimosicola, Sagediopsis aspiciliae, S. pertusariicola, Sphaerellothecium contextum, Stigmidium conspurcans, S. mitchellii, S. solorinarium and Talpapellis peltigerae are new to South Siberia. Cercidospora thamnoliae and Sagediopsis pertusariicola are first reported outside the Arctic. Athallia is a new host genus for Didymocyrtis consimilis and Bryoria for Endococcus alectoriae. The following new host species are registered: Pertusaria geminipara for Dactylospora deminuta, Calvitimela talayana for Endococcus propinquus s. l., Bryoria simplicior for Lichenostigma maureri and Melanohalea olivacea for Plectocarpon melanohaleae

    Радикальная сополимеризация стирола и α-ангеликалактона: синтез и свойства полученных сополимеров

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    Biodegradation ability of synthetic polymer materials is an urgent problem of modern ecology situation. A known new biodegradable polymer is polyangelicalactone (PAL). In this paper, styrene-α- angelicalactone copolymers were obtained by radical polymerization. The resulting copolymers have physical and mechanical properties similar to those of polystyrene and its graft-copolymers with PAL. Both they were mechanically destroyed when incubated in gray forest soil over 28 weeks. The obtained results show that the modification of polystyrene with the impurities of α-angelicalactone does not worsen the mechanical properties of the copolymers but instead gives them biodegradation abilitiesВ настоящей работе получены сополимеры стирола и α-ангеликалактона методом радикальной полимеризации. Полученные сополимеры имеют физико-механические свойства, аналогичные свойствам полистирола и его привитых сополимеров с полиангеликалактоном. Оба полимера механически разрушаются при инкубации в серой лесной почве в течение 28 недель. Полученные результаты показывают, что модификация полистирола примесями α-ангеликалактона не ухудшает механические свойства сополимеров и придает им способность к биоразложени

    Ninety-one species of lichens and allied fungi new to Latvia with a list of additional records from Kurzeme

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    The results of lichenological excursions of the 19th Symposium of Baltic Mycologists and Lichenologists (BMLS) in Latvia, Kurzeme region, 22–26 September 2014, are reported. A list of 290 species is presented, of which 238 are lichenized, 43 lichen-inhabiting, and nine saprotrophic fungi: ninety-one species are new to Latvia, twelve of which (Caloplaca duplicata, Cresporhaphis wienkampii, Ellisembia lichenicola, Gallowayella weberi, Gregorella humida, Lichenochora weillii, Parmelia serrana, Polycauliona phlogina, Reconditella physconiarum, Stictis brunnescens, Thelocarpon superellum, and Verrucaria tectorum) are also new for the Baltic States. Athallia alnetorum is reported here for the first time in northern Europe. The presence of Ochrolechia androgyna s. str., Athallia holocarpa and A. pyracea is confirmed for Latvia, and Parmelia submontana is reported as a new host for Homostegia piggotii
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