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Journal articles on the topic 'Paleoenviroment'

Author: Grafiati

Published: 9 March 2023

Last updated: 10 March 2023

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1

Ramírez, Alma Isbel Ariza, Giliane Gessica Rasbold, Mauro Parolin, and José Candido Stevaux. "Phytoliths and seeds in fluvial island paleoenviroment reconstruction (interaction with pollen analysis)." Journal of South American Earth Sciences 89 (January 2019): 30–38. http://dx.doi.org/10.1016/j.jsames.2018.10.011.

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2

Kolobova, K. A., V. M. Kharevich, S. K. Vasilyev, E. N. Bocharova, P. V. Chistyakov, E. V. Parkhomchuk, A. V. Kharevich, and A. I. Krivoshapkin. "Studies of Verkhnyaya Sibiryachikha Cave in the 2021 Field Season." Problems of Archaeology, Ethnography, Anthropology of Siberia and Neighboring Territories 27 (2021): 148–53. http://dx.doi.org/10.17746/2658-6193.2021.27.0148-0153.

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The Verkhnyaya Sibiryachikha Cave was discovered in the vicinity of the Okladnikov Cave in the course of the IAET SB RAS survey excavation in 2020; the cave studies were continued in 2021. The karst cavity was documented as a paleontological site, Sibiryachikha-6, by the famous paleontologist N.V Ovodov in the late 20th century. In 2021, the existing test-pit was enlarged by 2 sq. m. Five stratigraphic units were established, four of which contain numerous paleontological materials. Lithic artifacts adding to the small assemblage of the previous year were found in two strata. Preliminary absolute AMS dates indicate that the cave was recurrently visited by ancient people during the Upper Paleolithic and late Middle Paleolithic. The species composition, interspecies ratio, and set of preserved bone remains of the lower layers are typical for cave taphocenoses formed as a result of food activity of large predators, primarily cave hyenas. The taphocenosis of the site is dominated by species of open spaces; a smaller numbers of species offorest-steppe, forest, and rocky biotopes were identified. The study of the Verkhnyaya Sibiryachikha Cave sediments, synchronous to culture-bearing deposits of Okladnikov Cave by preliminary absolute dating, provides an opportunity for detailed reconstruction of paleoenviroment during the Neanderthal habitation. The results of the latest field season suggest that the Upper Sibiryachikha Cave was a den of predators during the late Pleistocene, occasionally visited by various populations of ancient humans.

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3

Omaña, Lourdes, Jose Maria Pons, and Ruben Cruz. "Biostratigraphy and paleoenvironment of Maastrichtian foraminiferal assemblages from a succession located NW of Tuxtla Gutiérrez, Chiapas (SE Mexico)." Revista Mexicana de Ciencias Geológicas 38, no. 1 (March 24, 2021): 65–81. http://dx.doi.org/10.22201/cgeo.20072902e.2021.1.1598.

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During the Maastrichtian, two lithostratigraphic units were deposited in the central Chiapas region; the Ocozocoautla and Angostura formations. The first unit crops out northwest of the city of Tuxtla Gutiérrez in central Chiapas. It is a complex lithological unit mainly composed of siliciclastic rocks interbedded with limestone. Overlying it, the Angostura limestone is recognized. This study focuses on a taxonomic study of the larger benthic and planktic foraminifera from both formations in order to assign age and to infer the paleoenviroment. The Ocozocoautla Formation includes an association of benthic as well as significant planktic foraminifera. Based on the microfossils stratigraphic distribution, two biozones were defined: the Pseudorbitoides rutteni–Ayalaina rutteni Assemblage Zone of earliest Maastrichtian and the upper part of the Gansserina gansseri Interval Zone of early Maastrichtian. The Angostura Formation contains dasycladacean algae and larger foraminifera considered as important age markers in shallow-water environments. Two foraminiferal interval zones were defined, Praechubbina breviclaustra Interval Zone of early late Maastrichtian and Chubbina jamaicensis Total Range Zone of late to latest Maastrichian age. The microfacies (grainstone, wackestone–packstone, wackestone) as well as the foraminiferal assemblage enable the paleoenvironment to be reconstructed, suggesting a deposit that developed in an open-water marine setting with moderate to high energy, characterized by benthic and planktic foraminifera in the Ocozocoautla Formation, while in the Angostura Formation a shallow-water marine protected environment is inferred. The paleobiogeographical distribution of the assemblage from both the Ocozocoautla and Angostura formations mostly contains endemic benthic foraminifera of the Caribbean Province and other few Tethysian forms of the Angostura Formation.

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4

GONZALEZ, L. D. C., J. G. MENDONÇA, S. B. C. GOMES, and M. MASTALERZ. "Organic Facies Applied in the Paleoenviroment Interpretation from Sediments of the Itapecuru Formation (in the West-Central Part of the San Luis Basin-Brazil)." Anuário do Instituto de Geociências - UFRJ 42, no. 3 (September 30, 2019): 609–23. http://dx.doi.org/10.11137/2019_3_609_623.

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5

Gabriella Carboni, M., Luisa Bergamin, Letizia Di Bella, Bruna Landini, Luigia Manfra, and Pierluigi Vesica. "Late Quaternary paleoclimatic and paleoenviromental changes in the Tyrrhenian Sea." Quaternary Science Reviews 24, no. 18-19 (October 2005): 2069–82. http://dx.doi.org/10.1016/j.quascirev.2004.09.009.

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6

Rodrigues, Shirlley, Leonardo Avilla, and Sergio Alex Kugland De Azevedo. "Diversity and paleoenviromental significance of Brazilian fossil Galictis (Carnivora: Mustelidae)." Historical Biology 28, no. 7 (July 6, 2015): 907–12. http://dx.doi.org/10.1080/08912963.2015.1055559.

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7

MacFadden, Bruce J. "Incremental growth in vertebrate skeletal tissues: paleobiological and paleoenviromental implications." Palaeogeography, Palaeoclimatology, Palaeoecology 206, no. 3-4 (April 2004): 177. http://dx.doi.org/10.1016/j.palaeo.2004.01.001.

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8

Agnolin, Federico L., Sergio O. Lucero, and Julio Torres. "Historical record of Holochilus vulpinus (Rodentia, Sigmodontinae) from northern Patagonia, Argentina." Mammalia 82, no. 6 (November 27, 2018): 622–25. http://dx.doi.org/10.1515/mammalia-2017-0116.

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Abstract Marsh rats of the species Holochilus vulpinus inhabit mesic and humid environments. For this reason, it is frequently used in paleoenviromental studies to infer past humid conditions. Holocene archeological record indicates that H. vulpinus had a wider geographical distribution than today. Its regional extinction in north Patagonia at the XIX century was attributed to the dry and cold Little Ice Age (LIA). Here we present the finding of a specimen of H. vulpinus from northeastern Patagonia (Valcheta stream, Río Negro province, Argentina), just at the end of LIA. Implications of this novel historical record are discussed.

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9

Pisareva, V. V. "Reconstruction оf Paleoenviroments of Likhvin (Holstein) Interglacial and the Subsequent in Eastern Europe." Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya., no. 3 (July 21, 2015): 54. http://dx.doi.org/10.15356/0373-2444-2012-3-54-70.

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10

Kostopoulou, S., M. B. Triantaphyllou, M. D. Dimiza, A. Gogou, I. Bouloubassi, G. Rousakis, C. Parinos, An Diamantopoulou, M. Geraga, and V. Lykousis. "Preliminary results of high resolution paleoceanography and paleoclimatology during sapropel S1 deposition (South Limnos Basin, North Aegean Sea)." Bulletin of the Geological Society of Greece 47, no. 1 (December 21, 2016): 194. http://dx.doi.org/10.12681/bgsg.10926.

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The paleoenviromental conditions during the depositional interval of sapropel S1 in the northeastern Aegean (gravity core M-4, length 2.53 m; south Limnos basin) are studied based on quantitative micropaleontological (benthic and planktonic foraminifera) and geochemical (OC, δ13Corg) analyses. Special feature of core M-4 is the thickness of S1 layer (96 cm). Our study points that sapropelic layer S1a has been deposited in more dysoxic and warmer conditions in respect to S1b. Both primary productivity and preservation of organic material are more intense during the lower part of S1. An interruption of the sapropelic conditions at 8.0 Ka BP which is mainly characterized by the increase of agglutinated foraminiferal forms confirms both higher oxygen bottom conditions and freshwater input.

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11

Fikáček, Martin, Sonja Wedmann, and Heiko Schmied. "Diversification of the greater hydrophilines clade of giant water scavenger beetles dated back to the Middle Eocene (Coleoptera:Hydrophilidae:Hydrophilina)." Invertebrate Systematics 24, no. 1 (2010): 9. http://dx.doi.org/10.1071/is09042.

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Fossil representatives of the hydrophilid genera Hydrochara Berthold, 1827, Hydrobiomorpha Blackburn, 1888 and Hydrophilus Geoffroy, 1762 were recorded at the lower Middle Eocene locality Grube Messel in Germany. Four morphospecies were recognised, including Hydrobiomorpha eopalpalis, sp. nov. showing sexually dimorphic maxillary palpomere 2 unknown in any recent or fossil species of the genus. These fossils are the oldest known records of the mentioned genera and indicate a minimum age of 47 million years for the divergence of the Hydrobiomorpha and Hydrophilus clades. Based on these data, we assume that the diversification of the ‘greater hydrophilines’ clade predated the lower Middle Eocene. The fossil record of the subtribe Hydrophilina is briefly reviewed, the reasons of the scarcity or absence of some genera in the fossil record are discussed, and the paleoenviromental significance of the presented fossils is discussed.

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12

Anjos Zerfass, Geise de S., Claudia G. Cetean, Lucas Del Mouro, Christiano Ng, Henrique Zerfass, and Anderson Camargo. "Agglutinated Foraminifera from the Barremian continental rift section of the Reconcavo Basin, Brazil: a microfossil enigma." Micropaleontology 68, no. 2 (2022): 197–212. http://dx.doi.org/10.47894/mpal.68.2.03.

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Microfossils have been found in most of the Mesozoic basins of Brazil, allowing the establishment of important biozones. Despite being recognized for more than half century in the Barremian from the Reconcavo Basin, the taxonomy of the benthic foraminifera remained unsolved likewise its paleoenviromental implications. In this study, we have applied 2D and 3D imaging techniques to resolve this issue and have identified two agglutinated foraminiferal genera (Glomospirella and Paratrochamminoides) and a new species Paratrochamminoides kaminskii sp. nov. Moreover, based on the taxonomy, few paleoenvironmental insights on the foraminifera-bearing strata are discussed. The occurrence of the typically shallow marine species Glomospirella arctica in the studied section, does not allow the proposition of a marine ingression, since it is not supported by a marine/ transitional association of microfossils. On the other hand, the hypothesis of transport of foraminifera by birds (avian zoocoria) is plausible, although there are no further elements to corroborate it.

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13

Rellini, Ivano. "Loess distribution on the northern flank of Ligurian Alps (NW-Italy): topographic influences and paleoenviromental implications." Quaternary International 279-280 (November 2012): 398–99. http://dx.doi.org/10.1016/j.quaint.2012.08.1259.

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14

JIN, Xiaobo, Chuanlian LIU, and Zhihui CHU. "COCCOLITHOPHORE RECORDS AND THEIR RESPONSE TO PALEOCLIMATIC AND PALEOENVIROMENTAL CHANGES IN SULAWESI SEA FROM THE LAST DEGLACIAL." Marine Geology & Quaternary Geology 32, no. 4 (February 7, 2013): 131–37. http://dx.doi.org/10.3724/sp.j.1140.2012.04131.

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15

WANG, Feifei, Hong WANG, Jian LIU, and Shaojun GONG. "LATE QUATERNARY BENTHIC FORAMINIFERA OF CORE SYS-0803 FROM THE NORTHWESTERN SOUTH YELLOW SEA AND THEIR PALEOENVIROMENTAL SIGNIFICANCE." Marine Geology & Quaternary Geology 31, no. 4 (September 23, 2011): 113–24. http://dx.doi.org/10.3724/sp.j.1140.2011.04113.

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16

Forman, Steven. "Paleoenviromental and OSL studies of late Quaternary aeolian sand sheets and dunes of western Pampas of Argentina, South America." Quaternary International 279-280 (November 2012): 150. http://dx.doi.org/10.1016/j.quaint.2012.08.137.

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17

Petropoulos, A., A. Androni, T. Ntamkarelou, and Ch Anagnostou. "Carbonate and organic carbon content in the recent sediments of Elefsis bay as indicators for the paleoenviromental evolution of the system." Bulletin of the Geological Society of Greece 47, no. 3 (December 21, 2016): 1562. http://dx.doi.org/10.12681/bgsg.10995.

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During the Holocene period Elefsis bay acted as a semi-enclosed system obstructing water circulation. In some areas, sampling has revealed the problems of anoxia that prevails in the bay, which has been worse during the summer months. Analyses undertaken in a core from the bay of Elefsis showed notable changes in carbonate and organic material, which prove the paleo-environmental evolution of the bay. Such changes of carbonate are due to the different deposition of calcium carbonate from biogenic source (probably and from inorganic source). The variation of organic carbon is still a factor of limited water circulation in the bay.

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18

Rafuse, D. J., C. A. Kaufmann, and G. A. Flensborg. "Thorn Lesions in a Modern Osteological Collection of Guanaco (Lama guanicoe ): A New Paleoenviromental Proxy and Its Implications for Archaeofaunal Assemblages." International Journal of Osteoarchaeology 23, no. 3 (July 12, 2011): 348–58. http://dx.doi.org/10.1002/oa.1256.

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19

Remin, Zbyszek, Zofia Dubicka, Agata Kozłowska, and Barbara Kuchta. "A new method of rock disintegration and foraminiferal extraction with the use of liquid nitrogen [LN2]. Do conventional methods lead to biased paleoecological and paleoenviromental interpretations?" Marine Micropaleontology 86-87 (April 2012): 11–14. http://dx.doi.org/10.1016/j.marmicro.2011.12.001.

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20

Jiali, LIU, LIU Qiang, WU Jing, CHU Guoqiang, and LIU Jiaqi. "N-alkanes distributions and compound-specific carbon isotope records and their paleoenviromental significance of sediments from Lake Sifangshan in the Great Khingan Mountain, Northeastern China." Journal of Lake Sciences 29, no. 2 (2017): 498–511. http://dx.doi.org/10.18307/2017.0226.

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21

Conedera, Marco, and Willy Tinner. "Langzeit-Feuerökologie der Schweiz | Long-term fire ecology of Switzerland." Schweizerische Zeitschrift fur Forstwesen 161, no. 11 (November 1, 2010): 424–32. http://dx.doi.org/10.3188/szf.2010.0424.

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Understanding past natural and anthropogenically induced forest fires and their long-term impact on the environment is a prerequisite for modern fire management. Thanks to modern paleoecological approaches it was possible to reconstruct the long-term role of fire for ecosystems, landscape properties and functions in various parts of Switzerland. In order to test and calibrate the paleoecological approach on a local scale, we compared the forest-fire statistics of the last 70 years around the small Lago di Origlio (southern Switzerland) with the yearly charcoal influx in the lake sediments. We demonstrated that the yearly deposition of microscopic charcoal particles (0.01−0.2 mm) correlates well with the regional forest-fire frequency 20 to 50 km around the lake, whereas macroscopic charcoal particles (> 0.2 mm) matched local fire events within a 2 km distance. Furthermore, the pilot study of lake Origlio provided insights into the different origins of forest fires and their long-term impact on vegetation. Studies in other areas in Switzerland suggest that that the long-term effects of forest fire are not limited to the southern slope of the Alps, but also concern the forests of the Swiss Plateau and the Alps. There, the diffusion of fire-sensitive tree species such as Ulmus spp., Tilia spp., Fraxinus spp., Acer spp. at the colline to mountain level, as well as Abies alba and Pinus cembra at the subalpine level was significantly reduced compared to the natural environmental conditions prior to the beginning of widespread slash and burn practices. The abundance reduction of tree species during the past millennia occurred in the southern and the northern Alps, on the Swiss Plateau, but not in the fire-prone dry valleys of the central Alps, where forest fires were more frequent naturally and exerted relevant ecosystem functions. Our results show that without considering sedimentary paleoenviromental information it is hardly possible to gain correct assessments of current and future fire, environmental and forest dynamics. The implementation of paleoecological results into practical management activities is thus indispensable, especially in the view of the expected climatic changes.

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22

Slimani, Hamid, Victorien Michael Benam, Daniel Ţabără, Habiba Aassoumi, Hassan Jbari, Mouna Chekar, Imane Mahboub, and Amel M’Hamdi. "Distribution of Dinoflagellate cyst assemblages and palynofacies in the Upper Cretaceous deposits from the neritic Bou Lila section, External Rif (northwestern Morocco): Implications for the age, biostratigraphic correlations and paleoenviromental reconstructions." Marine Micropaleontology 162 (January 2021): 101951. http://dx.doi.org/10.1016/j.marmicro.2020.101951.

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23

Limarino, Carlos Oscar, Pedro Busquets, Raúl Cardó, Isabel Méndez-Bedia, Gloria Gallastegui, Ferrán Colombo, Nemesio Heredia, and Silvia N. Césari. "The neopaleozoic of the Sierra de Castaño (Andean Cordillera Frontal, San Juan, Argentina): Tectonic and paleoenviromental reconstruction." Andean Geology 40, no. 1 (January 28, 2013). http://dx.doi.org/10.5027/andgeov40n1-a08.

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