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Taphonomic characterisation of tooth marks of extinct Eurasian carnivores through geometric morphometrics

science Bulletin 2022年第16期67卷 1644-1648,M0003,M0004页

作者： José Yravedra Lloyd Austin Courtenay Darío Herranz-Rodrigo gonzalo linares-matás Juan JoséRodríguez-Alba Verónica Estaca-Gómez Carmen Luzón Alexia serrano-Ramos MiguelÁngel maté-González JoséAntonio solano Diego González-Aguilera Juan Manuel Jiménez-Arenas Department of Prehistory Ancient History and ArchaeologyComplutense University of MadridMadrid 28040Spain C.A.I.Archaeometry and Archaeological Analysis Complutense UniversityMadrid 28040Spain Grupo de Investigación Ecosistemas Cuaternarios Complutense UniversityMadrid 28040Spain Grupo de Investigación Arqueología Prehistórica Complutense UniversityMadrid 28040Spain Museo Primeros Pobladores de Europa‘Josep Gibert’ Orce 18858Spain Department of Cartographic and Land Engineering Higher Polytechnic School of AvilaUniversity of SalamancaAvila 05003Spain school of Archaeology St.Hugh’s CollegeUniversity of OxfordOxford 01865United Kingdom History and Arts Doctoral Program University of GranadaGranada 18071Spain Escuela Técnica superior de Ingenieros en Topografía Geodesia y Cartografía.Universidad Politécnica de MadridMadrid 28031Spain Department of Prehistory and Archaeology University of GranadaGranada 18071Spain

Determining the cause and nature of the postmortem processes that living organisms experience is one of the main common issues faced by forensic experts,zooarchaeologists,palaeontologists,and other *** are among the most destructive agents that can interact with a corpse,since their feeding behaviour can lead to very extensive alterations,complicating the diagnostic identification of which carnivore species was responsible for the death of an individual,a livestock unit,or the formation of a fossil *** though some currently available techniques enable forensic experts to undertake a differential diagnosis of carnivore agency from corpse examination.

关键词：几何形态测量学埋藏特征有蹄类动物齿痕几何形态学机器学习分类预测多变量分析

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Deposition of litter and nutrients in leaves and twigs in different plant communities of northeastern Mexico

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Journal of Forestry Research 2018年第5期29卷 1307-1314页

作者： Humberto González-Rodríguez Roque gonzalo Ramírez-Lozano Israel Cantú-silva Marco Vinicio Gómez-Meza Eduardo Estrada-Castillón José Ramón Arévalo Facultad de Ciencias Forestales Universidad Autdnoma deNuevo Ledn Carr. Nac. No 85 km 145 67700 LinaresNuevo Ledn Mexico Facultad de Ciencias Bioldgicas Universidad Autdnoma deNuevo Ledn Ave. Universidad S/N Cd. Universitaria66451 San Nicolfis de los Garza Nuevo Ledn Mexico Facultad de Economla Universidad Autdnoma de NuevoLedn Monterrey Nuevo Ledn Mexico Departamento de Botanica Ecologiay Fisiologfa Vegetal Facultad de Ciencias Universidad de La LagunaCanary Islands Spain

studies on litterfall and decomposition provide estimations of decomposition rates of different *** is key information to understanding ecosystem dynamics and changes in a scenario of global *** objective of this research was to assess litterfall production,the potential deposition of macro and micronutrients through leaf and twig fall as well as macronutrient—use efficiency in three forest ecosystems at different altitudes： a pine forest mixed with deciduous species（s1）; a Quercus ***（s2）; and,a Tamaulipan thornscrub forest（s3）.Total annual litterfall deposition was 594,742 and 533 g m^（-2） for s1,s2 and *** litter was higher （68%） than twigs（18%）,reproductive structures（8%） or miscellaneous material（6%）.Micronutrient leaf deposition was higher for Fe followed by Mn,Zn and *** leaf deposition was higher for Ca followed by K,Mg and *** though P deposition in leaves and twigs was lower than other macronutrients,its nutrient use efficiency was higher than Ca,Mg or *** and species composition determine litter and nutrient deposition,with higher values at mid-altitudes（550 m）.Altitude is an important factor to consider when analyzing litter production as well as nutrient deposition as shown in this *** production and nutrient deposition are expected to change in a scenario of global warming.

关键词： Deciduous species Litter deposition Leaf/twig litter nutrients Pine forest Tamaulipan thornscrub

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