Ir a pucv.cl

Publicaciones

2025

Spatial inequality of urban greening dynamics in the Gran Valparaíso during the Central Chile megadrought (2010–2023).Victoria De La Barra, Roberto O. Chávez, Gabriel Castro, Pablo Sarricolea. Urban Forestry & Urban Greening, Volume 113.
https://doi.org/10.1016/j.ufug.2025.129080 

2024

Spatial and temporal heterogeneity of depositional environment and vegetational cover in a salt flat of the Lickan Antay Territory of Toconao, Northern ChileAránguiz-Acuña, A., Alday-Galleguillos, G., Pérez, D. H., Chávez, R. O., Olea, M., de Toconao, C. L. A., Prieto, M., Figueroa, V., Espíndola, C., Tejerina, A., Galleguillos, F., Sanzana, C., Núñez, L., & Loyola, R. Progress in Physical Geography: Earth and Environment, 49(1-2), 3-23.
https://doi.org/10.1177/03091333241306660 

New uses for ancient middens: bridging ecological and evolutionary perspectives. Katie M. Becklin, Julio L. Betancourt, Joseph Braasch, Olivier Dézerald, Francisca P. Díaz, Angélica L. González, Robert Harbert, Camille A. Holmgren, Angela D. Hornsby, Claudio Latorre, Marjorie D. Matocq, Felisa A. Smith.  Trends in Ecology & Evolution, Volume 39, Issue 5, Pages 479-493.
https://doi.org/10.1016/j.tree.2023.12.003 

Ecological and metabolic implications of the nurse effect of Maihueniopsis camachoi in the Atacama Desert. Díaz, F. P., Dussarrat, T., Carrasco‐Puga, G., Colombié, S., Prigent, S., Decros, G., Bernillon, S., Cassan, C., Flandin, A., Guerrero, P. C., Gibon, Y., Rolin, D., Cavieres, L. A., Pétriacq, P., Latorre, C., & Gutiérrez, R. A.  New Phytologist, 241(3), 1074–1087.
https://doi.org/10.1111/nph.19415 

2023


MODIS Time Series Reveal New Maximum Records of Defoliated Area by Ormiscodes amphimone in Deciduous Nothofagus Forests, Southern Chile. Estay, S. A., Chávez, R. O., Lastra, J. A., Rocco, R., Gutiérrez, Á. G., & Decuyper, M. Remote Sensing, 15(14), 3538.
https://doi.org/10.3390/rs15143538

Hydroclimate variations over the last 17,000 years as estimated by leaf waxes in rodent middens from the south-central Atacama Desert, Chile. Frugone-Álvarez, M., Contreras, S., Meseguer-Ruiz, O., Tejos, E., Delgado-Huertas, A., Valero-Garcés, B., Díaz, F. P., Briceño, M., Bustos-Morales, M., & Latorre, C.  Quaternary Science Reviews, 311, 108084.
https://doi.org/10.1016/j.quascirev.2023.108084

npphen: An R-Package for Detecting and Mapping Extreme Vegetation Anomalies Based on Remotely Sensed Phenological Variability. Chávez, R. O., Estay, S. A., Lastra, J. A., Riquelme, C. G., Olea, M., Aguayo, J., & Decuyper, M.  Remote Sensing, 15(1), 73. https://doi.org/10.3390/rs15010073

Andean peatlands at risk? Spatiotemporal patterns of extreme NDVI anomalies, water extraction and drought severity in a large-scale mining area of Atacama, northern Chile. Chávez, R. O., Meseguer-Ruiz, O., Olea, M., Calderón-Seguel, M., Yager, K., Isela Meneses, R., Lastra, J. A., Núñez-Hidalgo, I., Sarricolea, P., Serrano-Notivoli, R., & Prieto, M.  International Journal of Applied Earth Observation and Geoinformation, 116, 103138. 
https://doi.org/10.1016/j.jag.2022.103138

2022

Declining honey production and beekeeper adaptation to climate change in Chile. Gajardo-Rojas, M., Muñoz, A. A., Barichivich, J., Klock-Barría, K., Gayo, E. M., Fontúrbel, F. E., Olea, M., Lucas, C. M., & Veas, C. Progress in Physical Geography: Earth and Environment.  46(5), 737-756.
https://doi.org/10.1177/03091333221093757 

A Probabilistic Multi-Source Remote Sensing Approach to Evaluate Extreme Precursory Drought Conditions of a Wildfire Event in Central Chile. Chávez Roberto O., Castillo-Soto Miguel E., Traipe Katherine, Olea Matías, Lastra José A., Quiñones Tomás. Frontiers in Environmental Science 2022, Volume 10.
https://doi.org/10.3389/fenvs.2022.865406

Continuous monitoring of forest change dynamics with satellite time series. Mathieu Decuyper, Roberto O. Chávez, Madelon Lohbeck, José A. Lastra, Nandika Tsendbazar, Julia Hackländer, Martin Herold, Tor-G Vågen. Remote Sensing of Environment, Volume 269.
https://doi.org/10.1016/j.rse.2021.112829

2021

Snow Cover and Snow Persistence Changes in the Mocho-Choshuenco Volcano (Southern Chile) Derived From 35 Years of Landsat Satellite Images. Roberto O. Chávez, Verónica F. Briceño, José A. Lastra, Daniel Harris-Pascal and Sergio A. Estay. Frontiers in Ecology and Evolution 2021, Vol. 9.
https://doi.org/10.3389/fevo.2021.643850

Canopy Gap Structure as an Indicator of Intact, Old-Growth Temperate Rainforests in the Valdivian Ecoregion. Álvaro G. Gutiérrez, Roberto O. Chávez and Ignacio Díaz-Hormazábal. Forests 2021, 12(9), 1183.
https://doi.org/10.3390/f12091183

Spatiotemporal Peatland Productivity and Climate Relationships Across the Western South American Altiplano. Talia G. Anderson, Duncan A. Christie, Roberto O. Chávez, Matias Olea y Kevin J. Anchukaitis. JGR: Biogeosciences 2021, Volume 126, Issue 6.
https://doi.org/10.1029/2020JG005994

2020
Imagen foto_00000012

A User-Friendly Remote-Sensing Web-Platform for Biodiversity Conservation and Management in Protected Areas. Roberto O. Chávez, José A. Lastra, D. Valencia, I. Díaz-Hormazábal. 2020 IEEE Latin American GRSS & ISPRS Remote Sensing Conference (LAGIRS).
https://10.1109/LAGIRS48042.2020.9165604

Imagen foto_00000013

Remote Sensing for Insect Outbreak Detection and Assessment in Latin America. Chávez R.O., Rocco R. In: Estay S. (eds) Forest Pest and Disease Management in Latin America. Springer, Cham.
https://doi.org/10.1007/978-3-030-35143-4_4

Imagen foto_00000013

Ormiscodes amphimone Outbreak Frequency Increased Since 2000 in Subantarctic Nothofagus pumilio Forests of Chilean Patagonia. Gutiérrez Á.G, Roberto O. Chávez, Javier A. Domínguez-Concha, Stephanie Gibson-Carpintero, Ignacia P. Guerrero, Ronald Rocco, Vinci D. Urra, Sergio A. Estay. In: Estay S. (eds) Forest Pest and Disease Management in Latin America. Springer, Cham.
https://doi.org/10.1007/978-3-030-35143-4_5

Imagen foto_00000009

Water Crisis in Petorca Basin, Chile: The Combined Effects of a Mega-Drought and Water Management. Ariel A. Muñoz, Karin Klock-Barría, Camila Alvarez-Garreton, Isabella Aguilera-Betti, Álvaro González-Reyes, José A. Lastra, Roberto O. Chávez, Pilar Barría, Duncan Christie, Moises Rojas-Badilla and Carlos LeQuesne. Water 2020, 12(3), 648.
https://doi.org/10.3390/w12030648

Imagen foto_00000011

Spatio-temporal assessment of beech growth in relation to climate extremes in Slovenia – An integrated approach using remote sensing and tree-ring data. Mathieu Decuyper, Roberto O. Chávez, Katarina Čufar, Sergio A. Estay, Jan G.P.W. Clevers, Peter Prislan, Jožica Gričar, Zalika Črepinšek, Maks Merela, Martin de Luis, Roberto Serrano Notivoli, Edurne Martinez del Castillo, Danaë M.A. Rozendaal, Frans Bongers, Martin Herold, Ute Sass-Klaassen. Agricultural and Forest Meteorology, Volume 287, 2020, 107925.
https://doi.org/10.1016/j.agrformet.2020.107925 

2019
Imagen foto_00000002

A Multiscale Productivity Assessment of High Andean Peatlands across the Chilean Altiplano Using 31 Years of Landsat Imagery. Roberto O. Chávez, Duncan A. Christie, Matías Olea, Talia G. Anderson. Remote Sens. 2019, 11(24), 2955.
https://doi.org/10.3390/rs11242955

Imagen foto_00000001

Multidecadal environmental pollution in a mega-industrial area in central Chile registered by tree rings. Ariel A. Muñoz, Karin Klock-Barría, Paul R. Sheppard, Isabella Aguilera-Betti, Isadora Toledo-Guerrero, Duncan A. Christie, Tamara Gorena, Laura Gallardo, Álvaro González-Reyes, Antonio Lara, Fabrice Lambert, Eugenia Gayo, Francisco Barraza, Roberto O. Chávez. Science of The Total Environment 2019, 696.
https://doi.org/10.1016/j.scitotenv.2019.133915 

Imagen foto_00000007

Quantifying massive outbreaks of the defoliator moth Ormiscodes amphimone in deciduous Nothofagus‐dominated southern forests using remote sensing time series analysis. Sergio A. Estay, Roberto O. Chávez, Ronald Rocco, Alvaro G. Gutiérrez. J Appl Entomol. 2019; 00:1–10.
https://doi.org/10.1111/jen.12643

Imagen foto_00000002

A Self-Calibrated Non-Parametric Time Series Analysis Approach for Assessing Insect Defoliation of Broad-Leaved Deciduous Nothofagus pumilio Forests. Roberto O. Chávez, Ronald Rocco, Álvaro G. Gutiérrez, Marcelo Dörner, Sergio A. Estay. Remote Sens. 2019, 11(2), 204.
https://doi.org/10.3390/rs11020204

Imagen foto_00000006

GIMMS NDVI time series reveal the extent, duration, and intensity of "blooming desert" events in the hyper-arid Atacama Desert, Northern Chile. R.O. Chávez, A. Moreira-Muñoz, M. Galleguillos, M. Olea, J. Aguayo, A. Latín, I. Aguilera-Betti, A.A. Muñoz, H. Manríquez. Int. Journal of applied Earth Observation and Geoinformation Volume 76, p.193-203.
https://doi.org/10.1016/j.jag.2018.11.013 

2018
Imagen foto_00000003

Human–environmental drivers and impacts of the globally extreme 2017 Chilean fires. David M. J. S. Bowman, Andrés Moreira-Muñoz, Crystal A. Kolden, Roberto O. Chávez, Ariel A. Muñoz, Fernanda Salinas, Álvaro González-Reyes, Ronald Rocco, Francisco de la Barrera, Grant J. Williamson, Nicolás Borchers, Luis A. Cifuentes, John T. Abatzoglou, Fay and H. Johnston. Ambio 48, 350–362 (2019).
https://doi.org/10.1007/s13280-018-1084-1 

2017
Imagen foto_00000008

The First Millennium-Age Araucaria Araucana in Patagonia. Isabella Aguilera-Betti, Ariel A. Muñoz, Daniel Stahle, Gino Figueroa, Fernando Duarte, Álvaro González-Reyes, Duncan Christie, Antonio Lara, Mauro E. González, Paul R. Sheppard, David Sauchyn, Andrés Moreira-Muñoz, Isadora Toledo-Guerrero, Matías Olea, Pablo Apaz, and Alfonso Fernandez. Tree-Ring Research 73 pp. 53-56.
https://doi.org/10.3959/1536-1098-73.1.53

2016
Imagen foto_00000010

A multi-scale approach to assess the effect of groundwater abstraction on Prosopis tamarugo in the Atacama Desert. Decuyper, M., Chávez, R.O., Copini, P., Sass-Klassen, U.0. Journal of Arid Environments 131, p.25-34.
https://doi.org/10.1016/j.jaridenv.2016.03.014 

Imagen foto_00000010

50 years of water extraction in the Pampa del Tamarugal basin: can Tamarugo trees survive in the hyper-arid Atacama Desert (Northern Chile)? Chávez, R.O., Clevers, J.G.P.W., Decuyper, M., De Bruin, S., Herold, M. Journal of Arid Environments 124, p. 292-303.
https://doi.org/10.1016/j.jaridenv.2015.09.007 

2014
Imagen foto_00000004

Detecting Leaf Pulvinar Movements on NDVI Time Series of Desert Trees: A New Approach for Water Stress Detection. Chávez, R.O., Clevers, J.G.P.W., Verbesselt, J., Naulin, P., Herold, M. PLoS One 9 (9).
https://doi.org/10.1371/journal.pone.0106613


2013

Imagen foto_00000002


Assessing water stress of desert Tamarugo trees using in situ data and very high spatial resolution remote sensing
.  Chávez, R.O., Clevers, J.G.P.W., Herold, M., Acevedo, E., Ortiz, M. Remote Sensing 5 (10), p. 5064 – 5088.
https://doi.org/10.3390/rs5105064

Imagen foto_00000005

Bayesian object-based estimation of LAI and chlorophyll from a simulated Sentinel-2 top-of-atmosphere radiance image. Laurent, V.C.E., Schaepman, M.E., Verhoef, W., Weyermann, J., Chávez, R.O. Remote Sensing of Environment 140, p. 318 – 329.
https://doi.org/10.1016/j.rse.2013.09.005 

Imagen foto_00000006

Modelling the spectral response of the desert tree Prosopis tamarugo to water stress. Chávez, R.O., Clevers, J.G.P.W., Herold, M., Ortiz, M., Acevedo, E. Int. Journal of applied Earth Observation and Geoinformation 21, p. 53 – 65.
https://doi.org/10.1016/j.jag.2012.08.013