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)
Fire and climate: Contrasting pressures on tropical Andean timberline species
ArticleAbstract: Aim: The aim was to test competing hypotheses regarding migration of the Andean timberline within thPalabras claves:Andes, fire, Fossil pollen, Land use, MIGRATION, Shifted baseline, timberline, warmingAutores:Alfonso-Reynolds A.M., Bryan G. Valencia, Bush M.B., Correa-Metrio Y.A., Silman M.R., Urrego D.H., Zimmermann M.Fuentes:googlescopusFrom ice age to modern: A record of landscape change in an Andean cloud forest
ArticleAbstract: Aim: To investigate the palaeoecological changes associated with the last ice age, subsequent deglacPalabras claves:Charcoal, Fossil pollen, Holocene, Human disturbance, Inca, last glacial maximum, maize, MIGRATION, Peruvian Andes, vegetationAutores:Bryan G. Valencia, Bush M.B., Silman M.R., Urrego D.H.Fuentes:googlescopusDetermination of an age model based on the analysis of the δ <sup>18</sup>O cyclicity in a tropical glacier
ArticleAbstract: Oxygen isotopes δ18O from a 13 m ice core derived from the Antisana volcano ice cap (0° 28′S, 78° 08Palabras claves:Age model, Cyclicity, Ice core, Isotopy, WaveletAutores:Bruno Conicelli, Bryan G. Valencia, Jaqueline L. CaleroFuentes:scopus2,100 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:googlescopus