Mostrando 10 resultados de: 26
Publisher
Holocene(3)
Journal of Biogeography(3)
Quaternary Science Reviews(2)
Science of the Total Environment(2)
2013 IEEE International Conference on Technologies for Homeland Security, HST 2013(1)
Área temáticas
Geología, hidrología, meteorología(14)
Factores que afectan al comportamiento social(8)
Ecología(5)
Economía de la tierra y la energía(3)
Mammalia(3)
2,100 years of human adaptation to climate change in the High Andes
ArticleAbstract: Humid montane forests are challenging environments for human habitation. We used high-resolution fosPalabras claves:Autores:Åkesson C.M., Bitting M., Bryan G. Valencia, Bush M.B., Church W.B., Fennell C.J., Matthews-Bird F., Peterson L.C.Fuentes:googlescopus700,000 years of tropical Andean glaciation
ArticleAbstract: Our understanding of the climatic teleconnections that drove ice-age cycles has been limited by a paPalabras claves:Autores:Abbott M.B., Bryan G. Valencia, Bush M.B., Bustamante M.G., Chen C.Y., Colman S.M., Delgado G., Finkenbinder M., Hatfield R.G., Hillman A.L., Katz S.A., Kück J., Larsen D.J., Lehmann S.B., Mark S.Z., McGee D., Morey A.E., Pierdominici S., Rodbell D.T., Rozas-Dávila A., Solada K.E., Stoner J.S., Tapia P.M., Valero-Garcés B.L., Wattrus N., Weidhaas N.C., Woods A.Fuentes:googlescopusA 12,700-year history of paleolimnological change from an Andean microrefugium
ArticleAbstract: We present a 12,6700-yr limnological history of Lake Miski, a high-elevation lake in a wet section oPalabras claves:Andes, Diatoms, drought, ENSO, Holocene, limnology, Microrefugia, mid-Holocene dry event, PaleoecologyAutores:Bryan G. Valencia, Bush M.B., Laurenzi A.G., Nascimento M., Van R.Fuentes:googlescopusA 2000-year history of disturbance and recovery at a sacred site in Peru’s northeastern cloud forest
ArticleAbstract: The last 2000 years in the tropical Andes was both a time of major pre-Hispanic and Hispanic periodPalabras claves:Anthropogenic disturbances, Chachapoya, Diatoms, Land-use, ‘Little Ice Age’, ‘Medieval Climate Anomaly’Autores:Bryan G. Valencia, Bush M.B., Church W.B., Matthews-Bird F., Peterson L.C.Fuentes:googlescopusA 24,700-yr paleolimnological history from the Peruvian Andes
ArticleAbstract: A new paleolimnological dataset from Lake Pacucha (13 °S, 3095 m elevation) in the Peruvian Andes prPalabras claves:Carbonate, Deglaciation, ENSO, Fossil diatom, Holocene, Lake level, Laminated sediment, Lowstand, Pleistocene, PrecessionAutores:Bryan G. Valencia, Bush M.B., Hillyer R., Silman M.R., Steinitz-Kannan M.Fuentes:googlescopusA 6900-year history of landscape modification by humans in lowland Amazonia
ArticleAbstract: A sedimentary record from the Peruvian Amazon provided evidence of climate and vegetation change forPalabras claves:Agriculture, Forest enrichment, Fossil charcoal, Fossil diatoms, Fossil pollen, Human disturbance, Iriartea, maize, Mauritia, Pre-ColumbianAutores:Bryan G. Valencia, Bush M.B., Correa-Metrio Y.A., Guilderson T., McMichael C.N.H., Overpeck J.T., Shadik C.R., Steinitz-Kannan M., Sully S.Fuentes:googlescopusA human role in Andean megafaunal extinction?
ArticleAbstract: A new fossil pollen, Sporormiella, and sediment chemistry record from Lake Llaviucu, Ecuador, spanniPalabras claves:Andes, Deglaciation, ECUADOR, extinction, Fossil pollen, Human arrival, Pleistocene megafauna, SporormiellaAutores:Baskin S., Bryan G. Valencia, Bush M.B., Folcik A.M., Giosan L., Kingston M., Raczka M.F., Sublette Mosblech N.A.Fuentes:googlescopusA new method for microplastic sampling and isolation in mountain glaciers: A case study of one antisana glacier, Ecuadorian Andes
ArticleAbstract: Microplastic contamination has become ubiquitous in terrestrial and marine environments. Recent studPalabras claves:Ice core, Microplastic collection and analytical methodologies, Microplastic contamination, Surface snow, Tropical AndesAutores:Bruno Conicelli, Bryan G. Valencia, Gabriel Massaine Moulatlet, Jaqueline L. Calero, Luis Maisincho, Marcela Cabrera Bejarano, Mariana V. Capparelli, Oscar Lucas-SolisFuentes:scopusA palaeoecological perspective on the transformation of the tropical Andes by early human activity
ReviewAbstract: Palaeoecological records suggest that humans have been in the Andes since at least 14 000 years ago.Palabras claves:fire, Manufactured Landscapes, Megafauna, Microrefugia, MIGRATION, Tree lineAutores:Bryan G. Valencia, Bush M.B., Gosling W.D., McMichael C.N.H., Nascimento M., Raczka M.F., Rozas-Dávila A., Sales R.K.Fuentes:googlescopusA statistical sub-sampling tool for extracting vegetation community and diversity information from pollen assemblage data
ArticleAbstract: Pollen assemblages are used extensively across the globe, providing information on various characterPalabras claves:Count size, Evenness, palynology, Richness, Sub-sampling, tropicalAutores:Bryan G. Valencia, Gosling W.D., Hanke F., Keen H.F., Miller C.S., Montoya E., Williams J.J.Fuentes:googlescopus