1,721,112 research outputs found
FIG. 3. — A in Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations
No full textFIG. 3. — A, Bufo sp., left ilium, lateral view; B, C, Bufo bufo (Linnaeus, 1758); B, left scapula, dorso-lateral view; C, right humerus of a male, ventral view; D-G, Pelophylax cf. P. perezi Seoane, 1885; D, E, right frontoparietal, ventral and dorsal views; F, G, left ilium, lateral and distal views. Scale bars: 2 mm.Published as part of Blain, Hugues-Alexandre, Bailon, Salvador & Agustí, Jordi, 2007, Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations, pp. 269-295 in Geodiversitas 29 (2) on page 275, DOI: 10.5281/zenodo.537135
FIG. 8. — A-E in Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations
No full textFIG. 8. — A-E, Malpolon monspessulanus (Hermann, 1804), trunk vertebra, dorsal, ventral, anterior, left-lateral and posterior views; F-J, Vipera latasti Boscá, 1878, trunk vertebra, dorsal, ventral, anterior, left-lateral and posterior views. Scale bars: 2 mm.Published as part of Blain, Hugues-Alexandre, Bailon, Salvador & Agustí, Jordi, 2007, Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations, pp. 269-295 in Geodiversitas 29 (2) on page 285, DOI: 10.5281/zenodo.537135
FIG. 5. — A-L in Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations
No full textFIG. 5. — A-L, small lacertids; A-F, frontals, ventral and dorsal views; G, H, parietal, ventral and dorsal views; I, premaxilla, posterior view; J, K, jugal, dorsal and lateral views; L, "Psammodromus-Acanthodactylus" type, right dentary, medial view; M, "Podarcis" type, left dentary, medial view. Scale bars: 2 mm.Published as part of Blain, Hugues-Alexandre, Bailon, Salvador & Agustí, Jordi, 2007, Anurans and squamate reptiles from the latest early Pleistocene of Almenara-Casablanca-3 (Castellón, East of Spain). Systematic, climatic and environmental considerations, pp. 269-295 in Geodiversitas 29 (2) on page 279, DOI: 10.5281/zenodo.537135
First record of Pelobates syriacus (Anura, Amphibia) in the Early Pleistocene of Italy
No full textSpadefoot toads (Pelobatidae, Anura) are rare in the Italian fossil record, being previously recorded only in the late Pliocene of Arondelli (Piedmont Region, northwestern Italy) and in the early Pleistocene of Pirro Nord P21 (Apulia, southeastern Italy). Here we describe for the first time abundant fossil remains of Pelobates syriacus from the lower Pleistocene fissure of Pirro Nord P13 (Apulia, southeastern Italy). These fossils shed new light on the palaeobiogeographical history of Pelobates in the Apennine Peninsula and are the first fossil evidence in Italy for P. syriacus, which currently lives in the southeastern Balkan Peninsula, Caucasus and the Middle East. This extralimital Italian occurrence suggests that P. syriacus has good dispersal abilities, when favourable conditions exist. Dispersal routes to reach the Apennine Peninsula during the early Pleistocene may have been favoured by a low level of the Adriatic Sea during a cold interval, furnishing a new habitat suitable for P. syriacus
MIS 5 environmental and climatic reconstruction in northeastern Iberia using the small-vertebrate assemblage from the terrestrial sequence of Cova del Rinoceront (Castelldefels, Barcelona)
No full textThe habitat weighting method, chorotype classification and the bioclimatic model, as well as the Simpson diversity
index, are applied to the small-vertebrate assemblage of Cova del Rinoceront (Castelldefels, Barcelona) in
order to reconstruct the environmental and climatic fluctuations that are reflected in the MIS 5 sequence of
the cave. The small-vertebrate data analysed are from Unit 1 of the sequence, which comprises three MIS 5 layers
(III to I). They allow one cool and two warm episodes to be identified within the section. The warm episodes are
related with open-woodland formations and temperatures higher than at present in the area, though in layer III
our data suggest moist conditions, with the precipitation higher than today, which could probably be related with
the beginning of MIS 5e. Layer II is associated with drier conditions, with precipitation lower than nowadays,
which could probably be related with MIS 5c. By contrast, layer I is associated with open woodland formations,
but with cooler and relatively humid conditions than today to judge by the temperature and precipitation data
obtained. This could probably be related with MIS 5b. Our results are consistent with the available chronological,
large-mammal, bird and palaeobotanical datasets for this upper part of the sequence. They are also consistent
with the pollen record from the marine margins of Iberia.info:eu-repo/semantics/publishedVersio
Environmental and climatic context of neanderthal occupation in southwestern Europe during MIS3 inferred from the small-vertebrate assemblages
No full textAccording to pollen analysis, Marine Isotope Stage 3 (MIS3, ca. 60-30ka) is characterized in southern Europe by dynamic alternations of forest vs. semi-arid area expansion in accordance with the warming and cooling, respectively, of the sea-surface temperatures. It is in this context of rapid fluctuations that the Neanderthal occupation of the northeastern Iberian Peninsula took place. This paper sets forth a synthesis of the previously published environmental and climatic data obtained from the small vertebrates (herpetofauna and small mammals) of the Neanderthal localities of Cova del Gegant, Abric Romani, l'Arbreda cave, Canyars and Teixoneres. Using habitat weighting and mutual climatic range methods to reconstruct the environment, temperature and rainfall, the Middle Paleolithic occupations in northeastern Iberia are closely related to the presence of woodlands, irrespective of the climatic conditions. However, there are differences in the percentage of forest formations from the south to the northeast of Iberia. Southern Iberia (Gorham's cave) was much more forested than the northern parts (A. Romaní, l'Arbreda, Canyars, Teixoneres, C. Gegant). This observation coincides with the status of the southernmost Iberian Peninsula as a climatic refuge, where Neanderthals survived until ca. 28kaBP. © 2013 Elsevier Ltd and INQUA
Small vertebrates from the upper Miocene hominoid-bearing site of Udabno, Georgia
No full textThe locality of Udabno, Georgia, preserves material referred to the hominoid primate Dryopithecus. In this study, we describe the microvertebrate fauna from the site, which includes fishes (Scardinius sp., Carassius sp.), anurans (Pelophylax sp.), squamates (Lacertidae indet., Ophidia indet.), insectivores (Schizogalerix sinapensis, Turiasorex cf. pierremeini), and rodents (Byzantinia pikermiensis, Hansdebruijnia erksinae, Vasseuromys pannonicus). The association of two rodents, the cricetid B. pikermiensis and the murid H. erksinae, constrains the age of the Udabno fauna more precisely than previous studies. Byzantinia pikermiensis was first recognized at the site of Pikermi, Chomateri, and later recovered in other sites from Turkey, including the hominid-bearing site of Çorakyerler. The murid H. erksinae was also described from Çorakyerler in Turkey. Therefore, the presence of these rodents at Udabno indicates that the fauna postdates late Vallesian faunas such as Biodrak, Greece, and Bayraktepe II, Turkey, which are characterized by the association of the more archaic species Byzantinia nikosi and Progonomys cathalai. This study demonstrates that Udabno is temporally equivalent to typical Turolian sites from the Mediterranean area, such as Pikermi, Çorakyerler, and Crevillente 2.Fil: Agustí, Jordi. Universitat Rovira i Virgili. Institut Català de Paleoecologia Humana i Evolució Social; España. Universitat Rovira I Virgili; EspañaFil: Piñero García, Pedro. Universitat Rovira i Virgili. Institut Català de Paleoecologia Humana i Evolució Social; España. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; ArgentinaFil: Furió, Marc. Universitat Autònoma de Barcelona; EspañaFil: Blain, Hugues Alexandre. Universitat Rovira I Virgili; España. Universitat Rovira i Virgili. Institut Català de Paleoecologia Humana i Evolució Social; EspañaFil: Blanco Lapaz, Angel. Eberhard Karls Universität Tübingen. Institute for Archaeological Sciences; AlemaniaFil: Oms, Oriol. Universitat Autònoma de Barcelona; EspañaFil: Chochisvili, Giorgi. Universitat Rovira i Virgili. Institut Català de Paleoecologia Humana i Evolució Social; EspañaFil: Lordkipanidze, David. Georgian National Museum; Georgi
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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