Relevant bibliographies by topics / Sporormiella

Academic literature on the topic 'Sporormiella'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Sporormiella"

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Xiong, Hui, Gao-Keng Xiao, Guo-Dong Chen, He-Ru Chen, Dan Hu, Xiao-Xia Li, Shi-Wei Zhong, Liang-Dong Guo, Xin-Sheng Yao, and Hao Gao. "Sporormiellin A, the first tetrahydrofuran-fused furochromone with an unprecedented tetracyclic skeleton from Sporormiella minima." RSC Adv. 4, no. 46 (2014): 24295–99. http://dx.doi.org/10.1039/c4ra02491e.

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Raper, Diana, and Mark Bush. "A test of Sporormiella representation as a predictor of megaherbivore presence and abundance." Quaternary Research 71, no. 3 (May 2009): 490–96. http://dx.doi.org/10.1016/j.yqres.2009.01.010.

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AbstractSpores of the dung fungus Sporormiella have been suggested to indicate the presence, perhaps also the abundance of past megaherbivore populations. Nonetheless, basic studies demonstrating a correlation between Sporormiella concentration in lacustrine sediments and modern herbivore abundance are lacking. This study of Sporormiella representation in grazed and ungrazed landscapes provides supporting evidence for the application of Sporormiella as an indicator of megaherbivore presence and abundance in ancient landscapes. However, Sporormiella representation is spatially sensitive to the distance from the dung source. In lakes where Sporomiella are abundant in shoreline sediments, they decline sharply with increasing distance from the lake edge. Although this study provides supporting evidence for the application of Sporormiella as a proxy for herbivore presence and abundance, independent proxies should be applied in conjunction with Sporormiella to control for changes in lake size.
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Davis, Owen K. "Spores of the Dung Fungus Sporormiella: Increased Abundance in Historic Sediments and Before Pleistocene Megafaunal Extinction." Quaternary Research 28, no. 2 (September 1987): 290–94. http://dx.doi.org/10.1016/0033-5894(87)90067-6.

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AbstractSpores of the dung fungus Sporormiella become abundant following the historic introduction of grazing herbivores at seven sites in the western United States. During the Holocene they are generally rare, but at six sites Sporormiella spores are abundant before the extinction of Pleistocene megaherbivores ca. 11,000 yr B.P. Sporormiella spores are directly linked to extinct megaherbivores by their presence in mammoth dung preserved in Bechan Cave, Southern Utah. Their abundance in late-glacial sediments may reflect the abundance of megaherbivores during Quaternary, thereby indicating the age of Pleistocene extinctions where other indicators are absent.
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Melo, Roger Fagner Ribeiro, Andrew N. Miller, and Leonor Costa Maia. "Sporormiella longicolla sp. nov. and new Sporormiella records on herbivore dung from Brazil." Mycotaxon 132, no. 2 (July 12, 2017): 459–70. http://dx.doi.org/10.5248/132.459.

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Conroy, Keziah J., Ambroise G. Baker, Vivienne J. Jones, Maarten van Hardenbroek, Emma J. Hopla, Robert Collier, Adrian M. Lister, and Mary E. Edwards. "Tracking late-Quaternary extinctions in interior Alaska using megaherbivore bone remains and dung fungal spores." Quaternary Research 97 (April 28, 2020): 99–110. http://dx.doi.org/10.1017/qua.2020.19.

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AbstractOne major challenge in the study of late-Quaternary extinctions (LQEs) is providing better estimates of past megafauna abundance. To show how megaherbivore population size varied before and after the last extinctions in interior Alaska, we use both a database of radiocarbon-dated bone remains (spanning 25–0 ka) and spores of the obligate dung fungus, Sporormiella, recovered from radiocarbon-dated lake-sediment cores (spanning 17–0 ka). Bone fossils show that the last stage of LQEs in the region occurred at about 13 ka ago, but the number of megaherbivore bones remains high into the Holocene. Sporormiella abundance also remains high into the Holocene and does not decrease with major vegetation changes recorded by arboreal pollen percentages. At two sites, the interpretation of Sporormiella was enhanced by additional dung fungal spore types (e.g., Sordaria). In contrast to many sites where the last stage of LQEs is marked by a sharp decline in Sporormiella abundance, in interior Alaska our results indicate the continuance of megaherbivore abundance, albeit with a major taxonomic turnover (including Mammuthus and Equus extinction) from predominantly grazing to browsing dietary guilds. This new and robust evidence implies that regional LQEs were not systematically associated with crashes of overall megaherbivore abundance.
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Korolyova, O. "THE GENUS SPORORMIELLA ELLIS & EVERH. IN UKRAINE." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 73, no. 1 (2017): 43–48. http://dx.doi.org/10.17721/1728_2748.2017.73.43-48.

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Data on anatomical, morphological, ecological features, and distribution of 10 species of Sporormiella (Pleosporales, Dothideomycetes) of Ukraine are presented. Three species of Sporormiella (S. australis (Speg.) S.I. Ahmed & Cain, S. minima (Auersw.) S.I. Ahmed & Cain, S.vexans (Auersw.) S.I. Ahmed & Cain) were not previously described for the Steppe zone of Ukraine. The detailed description of all the species, synonyms, substrates, and localities in Ukraine and world distribution are also provided as well as the identification key.
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Корольова, О. "Рід Sporormiella Ellis & Everh. в Україні." Вісник Київського національного університету імені Тараса Шевченка. Біологія, вип. 1 (73) (2017): 43–48.

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Lorenzo, Laura Emma. "A new hairy species of Sporormiella." Mycological Research 98, no. 1 (January 1994): 10–12. http://dx.doi.org/10.1016/s0953-7562(09)80328-6.

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Литвиненко, Ю. І. "КОПРОФІЛЬНІ ПЕРИТЕЦІОЇДНІ СУМЧАСТІ ГРИБИ ГЕТЬМАНЬСКОГО НАЦІОНАЛЬНОГО ПРИРОДНОГО ПАРКУ." Вісті Біосферного заповідника «Асканія-Нова», no. 24 (December 22, 2022): 41–50. http://dx.doi.org/10.53904/1682-2374/2022-24/7.

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Досліджено видову різноманітність та поширення копрофільних перитеціоїдних сумчастих грибів на території Гетьманського національного природного парку (Сумська область, Охтирський район). У результаті виявлено 32 види з 14 родів, 11 родин і 5 порядків. З них клас Sordariomycetes представлений 19 видами, Dothideomycetes – 13. Серед порядків найчисельнішими є: Sordariales – 16 видів з 8 родів і Pleosporales – 13 видів з 3 родів. У родинному спектрі домінують представники п'яти родин: Sporormiaceae – 10 видів, Podosporaceae і Schizotheciaceae – по 4 види, Delitschiaceae й Sordariaceae – по 3. Їх представники об'єднують 75% загальної кількості виявлених у парку видів копрофільних перитеціоїдних аскоміцетів. Провідні роди названих родин, а саме Delitschia Niessl, Schizothecium Corda, Sordaria G. Winter, Sporormiella Ellis & Everh. і Triangularia Boedijn, домінують у родовому спектрі. Наведено список зареєстрованих видів грибів та асоційованих з ними живильних субстратів. Всі відмічені аскоміцети є новими видами для Гетьманського національного природного парку. Два види сумчастих грибів – Preussia funiculata (Preuss) Fuckel і Sporormiella kansensis (Griffiths) S.I. Ahmed & Cain, на території парку були зареєстровані вперше в Україні. Знахідки Sporormiella corynespora (Niessl) S.I. Ahmed & Cain і Triangularia arizonensis (Griffiths) Y. Marín, A.N. Mill. & Stchigel є новими для території Лівобережного Лісостепу України та вдруге наводяться в країні. Втретє на території України зареєстровано Delitschia perpusilla Speg.
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Xiong, Hui, Gao-Keng Xiao, Guo-Dong Chen, He-Ru Chen, Dan Hu, Xiao-Xia Li, Shi-Wei Zhong, Liang-Dong Guo, Xin-Sheng Yao, and Hao Gao. "ChemInform Abstract: Sporormiellin A, the First Tetrahydrofuran-Fused Furochromone with an Unprecedented Tetracyclic Skeleton from Sporormiella minima." ChemInform 46, no. 5 (January 15, 2015): no. http://dx.doi.org/10.1002/chin.201505207.

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Dissertations / Theses on the topic "Sporormiella"

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Thomas, Alicia Jessica. "Using Sporormiella to track herbivore biomass within the Hluhluwe-Imfolozi game reserve." Bachelor's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/25578.

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Historical fossilised spores of Sporomiella, a coprophilous fungus that only grows on the dung of herbivores. has been used to infer unknown herbivore abundances or biomass and identity periods of mega-herbivore extinction in the palaeo-record. ln Africa. however. mega-herbivores are still extant and there is therefore a unique opportunity to calibrate Sporomiella abundance against known herbivore biomass. This study was carried out within the Hluhluwe-lmfolozi Game Reserve, KwaZulu-Natal South Africa (28°00'-28°26'S. 31°43'-32°00'E. Fig 2(a) and (6)). We evaluated the relationship between Sporomiella concentration and herbivore abundance. as indicated by total dung abundances. We investigated three aspects of this relationship: [1] the relationship between Sporomiella abundance and total herbivore dung abundance. [2] the relationship between Sporomiella and individual herbivore species, where we also divided all the herbivores into Mega-herbivores and Meso-herbivores to determine their relationship with Sporomiella densities. [3] finally, we tested the differences between the regions of the reserve by comparing the different areas of the park, as each system has its own unique drivers (Hluhluwe (fire driven), Imfolozi (herbivore driven) and the corridor (fire and herbivore driven)), with the concentration of Sporomiella. We found no significant relationships between Sporomiella concentration and total herbivore dung abundances, which suggests that the fungus may be selectively growing on certain herbivore species rather than on all herbivore dung and / or the amount of dung for each species is not accurately reflected by dung counts [because amount of dung per species isn't accurately reflected by dung counts?]. This isn't reflected in clung counts. When the sites that had zero Sporomiella were excluded from the analysis. Sporomiella concentration was significantly related to elephant and white rhino dung abundance, which could be related to site specific condition. Mega-herbivores and meso-herbivores dung abundance showed no significant relationship with Sporomiella concentrations. implying that neither group is the main contributors to Sporomiella concentration. There was also no significant difference in Sporomiella-concentration between the different areas of the park, providing no evidence that spores are differentially distributed throughout the park. Sporomiella concentrations showed no significant difference between the different types of vegetation and grasses within the park. This suggests that the spores are not specific to certain vegetation or grass types.
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Priya. "Reconstructing the Late Pleistocene climate sequence at Alexandra Cave, Naracoorte, using single-grain optically stimulated luminescence dating and palaeoenvironmental proxies." Thesis, 2018. https://hdl.handle.net/2440/133458.

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The drivers of the Australia-wide megafaunal extinction during the late Pleistocene remains poorly resolved. Hypotheses include individual or synergistic combinations of climate fluctuations, human impacts through hunting or habitat alteration by landscape burning. Moreover, the relationship between extinction dynamics and long term glacial - interglacial timescales is not yet understood. Using a series of complementary geochronology, palaeoecological and geochemical techniques on a sedimentary sequence in Alexandra Cave, Naracoorte, this study provides improved reconstructions of past climates in south-east South Australia around the time of megafaunal extinction. Ten luminescence dating samples constrain the age of the sedimentary sequence to 17.7 – 106.3 ka. Palaeoenvironmental reconstructions undertaken using charcoal, carbon isotopes and geochemical analysis reveal high fire frequency and precipitation during Marine Isotope Stage (MIS) 5, while MIS 4 and the Last Glacial Maximum were arid, with low fire frequency. MIS 3 was wet, with little fluctuation in the environment, with the exception of a change in biomass burning at 36 – 50 ka. These findings suggest that climate change likely played a minor role in the demise of megafauna locally, whereas changes in fire regime could have acted as a more significant driver or consequence of megafauna extinction.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2018
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Book chapters on the topic "Sporormiella"

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Pino, Mario, Nathalie Cossio-Montecinos, and Benazzir Pinto. "Sporormiella Fungal Spores as a Proxy for Megaherbivore Abundance and Decline at Pilauco." In Pilauco: A Late Pleistocene Archaeo-paleontological Site, 95–109. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23918-3_6.

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