Fire data from Araucaria araucana forests of Argentina Mundo, I.A.; Kitzberger, T.; Roig, F.A.; Villalba, R.; Barrera, M.D. Mundo, I.A. Kitzberger, T. Roig, F.A. Villalba, R. Barrera, M.D. ENSO Pacific Decadal Oscillation ARAR Araucaria araucana (Molina) K. Koch monkey puzzle araucaria pehuen Chile pine earth science/paleoclimate/fire history|tree ring (tree demographic and injury and fire event code,wood,null,null,null,fire history|tree ring,null,null,C,FHX2 data format; refer to IMPD documentation for description of codes) earth science/paleoclimate/fire history|tree ring (age,null,null,null,null,fire history|tree ring,null,null,N,null) earth science/paleoclimate/fire history (Rahue ARRAH201>LATITUDE -39.393472>LONGITUDE -70.794389) (Paso del Arco>LATITUDE -38.832528>LONGITUDE -71.055972) (Paso Tromen >LATITUDE -39.583333>LONGITUDE -71.460194) (Norquinco>LATITUDE -39.12>LONGITUDE -71.12) (Caviahue>LATITUDE -37.87>LONGITUDE -71.02) (Remeco >LATITUDE -39.066778>LONGITUDE -71.330472) (Ruka Choroy >LATITUDE -39.233806>LONGITUDE -71.173361) (Minchén>LATITUDE -39.254972>LONGITUDE -71.220222) (Nahuel Mapi>LATITUDE -39.54075>LONGITUDE -71.040722) (Pinalada Redonda >LATITUDE -39.309833>LONGITUDE -71.285083) Little is known about drivers and trends of historic fire regimes in the Araucaria araucana forests of south-western Argentina. Fire history in these forests was reconstructed by the analysis of 246 fire-scarred partial cross-sections from this fire-resistant tree collected at 10 sites in Neuquén, northern Patagonia. Fire chronologies showed an increase in fire occurrence during the nineteenth century and a sharp decrease since the early twentieth century. The creation of Lanín National Park in 1937, the change in human activities, and the active suppression of wildfires led to a significant increase in mean fire intervals since 1930. In addition to these multidecadal to centennial scale drives of fire frequency, interannual variability in wildfire activity was associated with El Niño–Southern Oscillation. Years of widespread fire are related to negative departures of both Niño 3.4 and Pacific Decadal Oscillation indexes (i.e. La Niña conditions), as well as coincident phases of positive Southern Annular Mode and La Niña events. Temporal variations in the Araucaria fire history in Argentina clearly show the combined effect of human and climate influences on fire regimes. A comparison with previous fire history studies in the Araucaria forests of Chile reveals substantial differences related to differences in human activities on both sides of the Andes and the earlier implementation of protected areas in Argentina. STUDY NOTES: IMPD CODES: ARCAV001 ARMIN001 ARMAP001 ARNOR001 ARPAR001 ARTRO201 ARPIN001 ARRAH201 ARREM001 ARRUC001 NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Mundo, I.A. Investigator : Kitzberger, T. Investigator : Roig, F.A. Investigator : Villalba, R. Investigator : Barrera, M.D. 2012-08-15 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/13156 https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/armap001.fhx https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/armin001.txt https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/fire-hist-graphs/armin001-fire-hist-graph.pdf https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/fire-hist-graphs/arrah201-fire-hist-graph.pdf https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/arnor001.txt https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/fire-hist-graphs/armap001-fire-hist-graph.png https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/fire-hist-graphs/arrem001-fire-hist-graph.pdf https://www1.ncdc.noaa.gov/pub/data/paleo/firehistory/firescar/southamerica/arruc001.txt 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Kitzberger, F. A. Roig Juñent, R. Villalba and M. D. Barrera. 2012. Fire history in the Araucaria araucana forests of Argentina: human and climate influences International Journal of Wildland Fire http://dx.doi.org/10.1071/WF11164 START YEAR: 1441 AD * END YEAR: 2007 AD -71.460194 -39.583333 -70.794389 -37.87