Publications

 

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*Postdoc; ^Student



In Review


[64]  King AW, Andres RJ, Davis KJ, Hafer M, Hayes DJ, Huntzinger DN, de Jong B, Kurz WA, McGuire AD, Vargas R, Wei Y, West TO, Woodall CW. North America’s net terrestrial carbon exchange with the atmosphere 1990-2009.


[63] Cueva A^, Bahn M, Litvak M, Pumpanen J, Vargas R. A multisite analysis of temporal random errors in soil CO2 efflux.


[62] Rodriguez-Robles U, Arredondo JT, Huber-Sannwald E, Vargas R. Dual-isohydric and anisohydric stomatal regulation of plant water-survival and coexistence under extreme drought in tropical semiarid mixed forest.


[61] Dore S, Fry DL, Collins BM, Vargas R, Stephens SL. Carbon dynamics in a Sierra Nevada mixed conifer forest following tree harvesting and prescribed fire.


[60] Reimer JJ*, Vargas R, Rivas D, Gaxiola-Castro G, Hernandez-Ayon M, Lara-Lara R. Sea surface temperature influence on terrestrial gross primary production along the southern California Current.


[59] Reimer JJ*, Cueva A^,  Gaxiola-Castro G, Lara-Lara R, Vargas R. Random error analysis of pCO2 and FCO2 related to seasonal upwelling in an eastern boundary current.


[58] Vargas R. Variación temporal en los flujos de CO2 del suelo en un bosque tropical seco. (Book Chapter)



In press


[57] Nziguheba G, Vargas R, Bationo A, Black H, Buschiazzo D, de-Brogniez D, Joosten H, Melillo J, Richter DB, Termansen M. Soil Carbon, a Critical Natural Resource: Long-term goals, short-term actions. (Book Chapter)



2014


[56]  Leon E^, Vargas R,  Bullock S, Lopez E, Panosso AR, La Scala N. Hot spots, hot moments and spatio-temporal controls on soil CO2 efflux in a water-limited ecosystem. Soil Biology and Biogeochemistry 77:12-21 [PDF]


[55] Banwart, S., H. Black, Z. Cai, P. Gicheru, H. Joosten, R. Victoria, E. Milne, E. Noellemeyer, U. Pascual, G. Nziguheba, R. Vargas, A. Bationo, D. Buschiazzo, D. de-Brogniez, J. Melillo, D. Richter, M. Termansen, M. van Noordwijk, T. Goverse, C. Ballabio, T. Bhattacharyya, M. Goldhaber, N. Nikolaidis, Y. Zhao, R. Funk, C. Duffy, G. Pan, N. la Scala, P. Gottschalk, N. Batjes, J. Six, B. van Wesemael, M. Stocking, F. Bampa, M. Bernoux, C. Feller, P. Lemanceau, and L. Montanarella (2014) Benefits of soil carbon: report on the outcomes of an international scientific committee on problems of the environment rapid assessment workshop. Carbon Management 5:185-192 [PDF]


[54] Dietze MC, Sala A, Carbone MS, Czimczik CI, Mantooth JA, Richardson AD, Vargas R (2014) Nonstructural carbon in woody plants. Annual Review of Plant Biology. 65:667-687 [PDF]


[53] Vicca S, Bahn M, Estiarte M, van Loon EE, Vargas R, Alberti G, Ambus P, Arain A, Beier C, Bentley LP, Borken W, Buchmann N, Collins SL, de Dato G, Dukes JS, Escolar C, Fay P, Guidolotti G, Hanson PJ, Kahmen A, Kröel-Dulay G, Ladreiter-Knauss T, Larsen KS, Lellei-Kovacs E, Lebrija-Trejos E, Maestre FT, Marhan S, Marshall M, Meir P, Miao Y, Muhr J, Niklaus PA, Ogaya R, Peñuelas J, Poll C, Rustad LE, Savage K, Schindlbacher A, Schmidt IK, Smith AR, Sotta ED, Suseela V, Tietema A, van Gestel N, van Straaten O, Wan S, Weber U, Janssens IA (2014) Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? A synthesis of manipulation experiments. Biogeosciences. 11:2991-3013 [PDF]


[52] Heffernan JB, Soranno PA, Angilletta MJ, Buckley LB, Gruner DS, Keitt TH, Kellner JR, Kominoski JS, Rocha AV, XiaoJ, Harms TK, Goring SJ, Koenig LE, McDowell WH, Powell H, Richardson AD, Stow CA, Vargas R, Weathers KC (2014) Macrosystems Ecology: understanding ecological pattern and processes at continental scales. Frontiers in Ecology and the Environment. 12(1):5-14 [PDF]


[51] Levy O, Ball BA, Bond-Lamberty B, Cheruvelil KS, Finley AO, Lottig N, Punyasena SW, Xiao J, Zhou J, Buckley LB, Filstrup CT, Keitt T, Kellner JR, Knapp AK, Richardson AD, Stow C, Tcheng D, Toomey M, Vargas R, Voordeckers JW, Wagner, Williams JW (2014) Approaches for advancing scientific understanding of macrosystems. Frontiers in Ecology and the Environment. 12(1):15-23 [PDF]



2013


[50] Vargas R, Paz F, de Jong B (2013) Quantification of forest degradation and belowground carbon dynamics: ongoing challenges for monitoring, reporting and verification for REDD+. Carbon Management. 4(6), 579-582 [PDF]


[49] Reimer JJ*, Vargas R, Smith SV, Lara-Lara R, Gaxiola-Castro G, Hernandez-Ayon M, Castro A, Escoto-Rodriguez M, Martinez-Osuna J (2013) Air-sea CO2 fluxes in the near-shore and coastal zone influenced by the California Current. Journal of Geophysical Research-Oceans. 118:4795-4810 [PDF]


[48] Ding R, Kang S, Vargas R, Zhang  Y, Hao X, Tong L (2013) Multiscale spectral analysis of temporal variability in evapotranspiration over irrigated croplands in an arid region. Agricultural Water Management. 130:79-89 [PDF]


[47] Stoy PC, Dietze M, Richardson AD, Vargas R, Barr AG, Anderson RS, Arain MA, Baker IT, Black TA, Chen JM, Cook RB, Gough CM, Grant RF, Hollinger DY, Izaurralde C, Kucharik CJ, Lafleur P, Law BE, Liu S, Lokupitiya E, Luo Y, Munger JW, Peng C, Poulter B, Price DT, Ricciuto DM, Riley WJ, Sahoo AK, Schaefer K, Schwalm CR, Tian H, Verbeeck H, Weng E (2013) Evaluating the agreement between measurements and models of net ecosystem exchange at different times and time scales using wavelet coherence: An example using data from the North American Carbon Program Site-Level Interim Synthesis. Biogeosciences. 10, 6893-6909 [PDF]


[46] Vargas R, Sonnentag O, Abramowitz G, Carrara A, Chen JM, Ciais P, Correia A, Keenan TF, Kobayashi H, Ourcival J-M, Papale D, Pearson D, Pereira JS, Piao S, Rambal S, Baldocchi DD (2013) Drought influences the accuracy of simulated ecosystem fluxes: a model-data meta-analisis for Mediterranean oak woodlands. Ecosystems. 16:749-764 [PDF]


[45] Fares S, Vargas R, Detto M, Goldstein A, Karlik J, Paoletti E, Vitale M (2013) Tropospheric ozone reduces carbon assimilation in trees: estimates from analysis of continuous flux measurements. Global Change Biology. 19:2427-2443 [PDF]


[44] Vargas R, Yépez EA, Andrade JL, Angeles G, Arredondo T, Castellanos AE, Delgado-Balbuena J, Garatuza-Payan J, González del Castillo E, Oechel W, Rodriguez JC, Sánchez-Azofeifa A, Velasco E, Vivoni ER, Watts C (2013) Progress and opportunities for monitoring greenhouse gases fluxes in Mexican ecosystems: the MexFlux network. Atmosfera. 26(3):325-336 [PDF]



2012


[43] Vargas R (2012) How a hurricane disturbance influences extreme CO2 fluxes and variance in a tropical forest. Environmental Research Letters. 7:035704  [PDF]  

  -see press release -


[42] Ryu Y, Verfaillie J, MacFarlane C, Kobayashi H, Sonnentag O, Vargas R, Ma S, Baldocchi DD (2012) Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras. Remote Sensing of Environment. 126:116-125 [PDF]


[41] Schaefer K, Schwalm C, Williams C, Arain MA, Barr A, Chen J, Davis KJ, Dimitrov D, Hilton TW, Hollinger DY, Humphreys E, Poulter B, Raczka BM, Richardson AD, Sahoo A, Thornton P, Vargas R, Verbeeck H, Anderson R, Baker I, Black TA, Bolstad P, Chen J, Curtis P, Desai AR, Dietze M, Dragoni D, Gough C, Grant RF, Gu L, Jain A, Kucharik C, Law B, Liu S, Lokipitiya E, Margolis HA, Matamala R, McCaughey JH, Monson R, Munger JW, Oechel W, Peng C, Price DT, RicciutoD, Riley WJ, Roulet N, Tian H, Tonitto C, Torn M, Weng E, Zhou X. (2012) A modle-data comparison of gross primary productivity: results from the North American carbon Program site synthesis. Journal of Geophysical Research-Biogeosciences. 117:G03010 [PDF]


[40] Kim DG, Vargas R, Bond-Lamberty B, Turetsky M (2012) Effects of rewetting and thawing on soil gas fluxes: a review of current literature and suggestions for future research. Biogeosciences. 9:2459-2483 [PDF]     -- See Blog -    - See open access data -


[39] Vargas R, Loescher HW, Arredondo T, Huber-Sannwald E, Lara-Lara R, Yépez EA (2012) Opportunities for advancing carbon cycle science in Mexico: towards a continental scale understanding. Environmental Science and Policy. 21:84-93 [PDF]


[38] Baldocchi DD, Reichstein M, Papale D, Koteen L, Vargas R, Agarwal D, Cook R (2012) The Role of Flux Networks in Biogeosciences. EOS Transactions AGU. 93(23):217-218 [PDF]


[37] Querejeta JI, Egerton-Warburton LM, Prieto I, Vargas R, Allen MF (2012) Changes in soil hyphal abundance and viability can alter the patterns of hydraulic redistribution by plant roots. Plant and Soil. 355:63-73 [PDF]


[36]  Vargas R, Collins SL, Thomey M , Johnson J, Brown R, Natvig D, Friggens M. Precipitation variability and fire influence the temporal dynamics of soil CO2 efflux in an arid grassland. (2012) Global Change Biology 18:1401-1411 [PDF]      - Cover image -


[35]  Richardson A, Anderson R, Arain MA, Barr A, Bohrer G, Chen G, Chen J, Ciais P,  Davis K, Desai A, Dietze M, Dragoni D, Garrity SR, Gough CM, Grant R, Hollinger DY, Margolis HA, McCaughey H, Migliavacca M, Monson RK, Munger JW, Poulter B, Raczka BM, Ricciuto DM, Sahoo AK, Schaefer K, Tian H, Vargas R, Verbeeck H, Xiao J, Xue Y (2012) Terrestrial biosphere models need better representation of vegetation phenology: results from the North American Carbon Program Site Synthesis. Global Change Biology. 18:566-584 [PDF]


[34]  Heinemeyer A, Wilkinson M, Vargas R, Subke JA, Casella E, Morison JIL, Ineson P (2012)

Exploring the “overflow tap” theory: linking forest soil CO2 fluxes and individual mycorrhizosphere components to photosynthesis. Biogeosciences. 9:79-95  [PDF]  - Open Access -


[33]  Ryu Y, Baldocchi DD, Black AT, Detto M, Law BE, Leuning R, Miyata A, Reichstein M, Vargas R, Ammann C, Beringer J, Flanagan LB, Gu L, Hutley L, Kim J, McCaughey H, Moors E, Rambal S, Vesala T (2012). On the temporal upscaling of evapotranspiration from instantaneous remote sensing measurements to 8-day mean daily-sums. Agricultural and Forest Meteorology. 152:212-222 [PDF]



2011


[32]  Dietze M, Vargas R, Richardson AD, Stoy P, Barr A, Anderson R, Arain A, Baker I, Black AT, Chen J, Cias P, Flanagan L, Gough C, Grant R, Hollinger D, Izaurralde RC, Kucharik C, Lafleur P, Liu S, Lokupitiya E, Luo Y, Munger JW, Peng C, Poulter B, Price D, Ricciuto D, Riley W, Sahoo A, Schaefer K, Suyker A, Tian H, Tonitto C, Verbeeck H, Verma S, Wang W. Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis. (2011) Journal of Geophysical Research-Biogeosciences. 116: G04029 [PDF]


[31]  Liu S, Bond-Lamberty B, Hicke JA, Vargas R, Zhao S, Chen J, Edburg SL, Liu J, McGuire AD, Xiao J, KeaneR, Yuan W, Tang J, Luo Y, Potter Y, Oeding J. (2011) Simulating the impacts of disturbances on forest carbon cycling in North America: Processes, data, models, and challenges. Journal of Geophysical Research-Biogeosciences. Vol 116, G00K08 [PDF]


[30]  Vargas R, Yepez E. (2011) Toward a Mexican eddy covariance network for Carbon Cycle Science. Eos Transactions AGU. 92(37):307 [PDF]


[29]  Vargas R, Baldocchi DD, Bahn M, Hanson PJ, Hosman KP, Kulmala L, Pumpanen J, Yang B  (2011) On the multi-temporal correlation between photosynthesis and soil CO2 efflux: reconciling lags and observations. New Phytologist. 191:1006-1017 [PDF]


[28]  Sonnentag O, Detto M, Vargas R, Ryu Y, Runkle BRK, Kelly M, Baldocchi DD (2011) Tracking the structural and functional development of a perennial pepperweed(Lepidium latifolium L.) infestation using a multi-year archive of webcam imagery and eddy covariance measurements. Agricultural and Forest Meteorology. 151:916-926 [PDF]


[27]  Harmon M, Bond-Lamberty B, Tang J,  Vargas R (2011). Heterotrophic respiration in disturbed forests: a review with examples from North America. Journal of Geophysical Research-Biogeosciences.Vol. 116, G00K04 [PDF]


[26]  Masek J, Cohen W, Leckie D, Wulder M, Vargas R, de Jong B, Healey S, Law B, Birdsey RA, Houghton R, Mildrexler D, Goward S, Kurz W, Smith B (2011). Recent rates of forest harvest and conversion in North America. Journal of Geophysical Research-Biogeosciences. Vol. 116, G00K03 [PDF]


[25] Mahecha MD, Reichstein M, Carvalhais N, Lasslop G, Lange H, Seneviratne SI, Vargas R, Ammann C, Arain MA, Cescatti A, Janssens IA, Migliavacca M, Montagnani L, Richardson AD (2011). Response to comment on: Global convergence in the temperature sensitivity of respiration at ecosystem level. Science. 331:1265 [PDF]


[24] Thomey M, Collins SL, Vargas R, Johnson J, Brown R, Natvig D, Friggens M (2011) Effect of precipitation variability on net primary production and soil respiration in a Chihuahuan desert grassland. Global Change Biology. 17(4):1505-1515 [PDF]


[23] Vargas R, Carbone M, Reichstein M, Baldocchi DD (2011) Frontiers and challenges in soil respiration research: from measurements to model-data integration. Biogeochemistry. 102:1-13 [PDF]   - Open Access -



2010


[22] Richardson AD, Black AT, Ciais P, Delbart N, Dunn AL, Friedl MA, Gobron N, Hollinger DY, Kutsch WL, Longdoz B, Luyssaert S, Migliavacca M, Montagnani L, Munger JW, Moors E, Piao S, Rebmann C, Reichstein M, Saigusa N, Tomelleri E, Vargas R, Varlagin A, Vesala T (2010) Influence of spring and autumn phenological switches on forest ecosystem productivity. Philosophical Transactions of the Royal Society. 365:3227-3246. [PDF]


[21] Vargas R, Baldocchi DD, Allen MF, Bahn M, Black TA, Collins SL, Curiel Yuste J, Hirano T, Jassal RS, Pumpanen J, Tang J (2010) Looking deeper into the soil: environmental controls and seasonal lags of soil CO2 production and efflux across multiple vegetation types. Ecological Applications. 20(6):1569-1582. [PDF]


[20]  Mahecha MD, Reichstein M, Carvalhais N, Lasslop G, Lange H, Seneviratne SI, Vargas R, Ammann C, Arain MA, Cescatti A, Janssens IA, Migliavacca M, Montagnani L, Richardson AD (2010). Global convergence in the temperature sensitivity of respiration at ecosystem level. Science. 329:838-840. [PDF]  - Supplementary information -


[19] Bahn M,  Reichstein M, Davidson EA, Grünzweig J, Jung J, Carbone MS, Epron D, Misson L, Nouvellon Y, Roupsard O, Savage K, Trumbore SE, Gimeno C, Curiel Yuste J, Tang J, Vargas R, Janssens IA (2010). Soil respiration at mean annual temperature predicts annual total across biomes. Biogeosciences. 7:2147-2157. [PDF]  - Open Access -


[18] Hasselquist N, Vargas R, Allen MF (2010) Using soil sensing technology to examine interaction and controls between ectomycorrhizal growth and environmental factors on soil CO2 dynamics. Plant and Soil. 331:17-29   [PDF]    - Open Access -


[17] Vargas R, Detto M, Baldocchi DD, Allen MF (2010) Multiscale analysis of temporal variability of soil CO2 production as influenced by weather and vegetation. Global Change Biology. 16:1589-1605  [PDF]


[16] Vargas R, Hasselquist N, Allen EB, Allen MF (2010) Effects of a hurricane disturbance on aboveground forest structure, arbuscular mycorrhizae and belowground carbon in a restored tropical forest. Ecosystems. 13:118-128       [PDF]     - Open Access -


[15] Ryu Y, Sonnentag O, Nilson T, Vargas R, Kobayashi H, Baldocchi DD (2010) How to quantify tree leaf area index in an open savanna ecosystem: A multi-intrument and multi-model approach. Agricultural and Forest Meteorology. 150:63-76  [PDF]


[14] Vargas R, Baldocchi DD, Querejeta JI, Curtis PS, Hasselquist NJ, Janssens IA, Allen MF, Montagnani L (2010) Ecosystem CO2 fluxes of arbuscular and ectomycorrhizal dominated vegetation types are differentially influenced by precipitation and temperature. New Phytologist 185: 226-236   [PDF]      -- See Figure 1 --



2009


[13] Allen EB, Querejeta JI, Vargas R, Estrada-Medina H, Egerton-Warburton L, Gómez-Pompa A, Allen MF (2009) Restoration and mycorrhizae in seasonal tropical forest: fungal species composition, carbon accumulation, and water relations. Pp. 159-184 in Álvarez-Sánchez, J. (ed.). Ecología de micorrizas arbusculares y restauración de ecosistemas. Universidad Nacional Autónoma de México. 361 pp. (ISBN:978-607-02-0712-9).


[12] Vargas R (2009) On the fate of old stored carbon after large-scale disturbances in plants. Plant Signaling and Behavior 4(7):617-619. [PDF]   -- Evaluated in Faculty 1000 --


[11] Vargas R, Trumbore SE, Allen MF (2009)  Evidence of old carbon used to grow new fine roots in a tropical forest. New Phytologist 182:710-718 [PDF]


[10] Vargas R, Allen EB, Allen MF (2009) Effects of vegetation thinning on above- and belowground carbon in a seasonally dry tropical forest in Mexico. Biotropica. 41: 302-311 [PDF]



2008


[9] Vargas R and Allen MF (2008) Environmental controls and the influence of vegetation type, fine roots and rhizomorphs on diel and seasonal variation in soil respiration. New Phytologist. 179: 460-471 [PDF]


[8] Vargas R and Allen MF (2008) Diel patterns of soil respiration after hurricane Wilma in a tropical forest. Journal of Geophysical Research-Biogeosciences. vol. 113, G03021 [PDF]


[7] Vargas R and Allen MF (2008) Dynamics of fine root, fungal rhizomorphs and soil respiration in a mixed temperate forest: integrating sensors and observations. Vadose Zone Journal. 7(3):1055-1064 [PDF]     --- See Press Release --


[6] Carbone M and Vargas R (2008) Automated soil respiration measurements: new information, opportunities, and challenges. New Phytologist. 117(2): 295-297  [PDF]             


[5] Vargas R, Allen MF, Allen EB (2008) Biomass and carbon accumulation in a fire chronosequence of a seasonally dry tropical forest. Global Change Biology.14:109-124 [PDF] 



2007


[4] Allen MF, Vargas R, Graham EA, Swenson W, Hamilton M, Taggart M, Harmon TC, Rat’ko A, Rundel P, Fulkerson B, Estrin D. 2007. Soil sensor technology: Life within a pixel. BioScience. 57(10):859-867 [PDF]


[3] Vargas R, Cook R, Agarwal D, Boden T, Papale D, van Ingen C, Yang B, Baldocchi DD (2007) The Future of the Worldwide Flux Tower Databases. FLUXNET Workshop, Oak Ridge National Laboratory, Oak Ridge, TN, USA. [PDF]


[2] Vargas R and Novelo E. 2007. Seasonal changes in periphyton nitrogen fixation in a protected tropical wetland. Biology and Fertility of Soils. 43(3):367-372 [PDF]



2003


[1] Vargas R and Novelo E (2003) Fijación de nitrógeno por Cyanoporkaryota en la Reserva Ecológica El Edén, Q.R., México. Mexican Studies. 19(2):277-286 [PDF]  



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