This is the author’s version of a work that was accepted for publication in Environmental pollution (Ed. Elsevier). Changes r esulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in thi s document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently p ublished in García-Gómez, Héctor, et al. “Atmospheric deposition of inorganic nitrogen in Spanish holm oak forests measured with ion -exchange resins and conventional collector. Supplementary materials” in Environmental pollution, vol. 216 (Sep. 2016), p. 653 -661. DOI 10.1016/j.envpol.2016.06.027 SUPPLEMENTARY MATERIAL Table A1. Methodological information and data from laboratory tests, field blanks and bulk deposition collectors in other studies. NO3- NH4+ P Area of T Number of Number collectors Number and type Study Location Climate (mm/ Deposition of N Ion exchange resin Extractant Sampling period lenght collection per Adsorpti Adsorpti (ºC) extractions per open-field plot of blanks Blank Intra-site Recovery Blank Intra-site Recovery y) plot (cm2) on on correction variability efficiency correction variability efficiency effiency effiency 0.014 ± Boutin et al., Subalpine (1500- mixed-bed IONAC® 3 in total (diferent non Pyrenees (France) 9.6 1245 4.5–6.6 kg ha-1 y-1 2 M KCl (200 ml) 2 1 month; during 5 months 2 628 12 % * 0.006 mg 19 % * 2015 2000 masl) NM-60 sites); field blanks detected N g-1 near near Brumbaugh et Alaska Boreal -4.4 1821 < 1 kg ha-1 y-1 2-stage columns 1 M KI 6 months 3 236 9; field blanks detection 8–10 % 106 ± 7 % detection 5–10 % 101 ± 3 % al., 2012 limits limits 27,0 1300 Cerón et al., Sub-humid warm / only throughfall mixed bed Amberlite™ only SE-Center Mexico / / 2 M KCl (200 ml) 3 2 months only throughfall only throughfall 3; field blanks 98.6 % only throughfall 98.6 % 2015 humid sub-warm < 1 kg ha-1 y-1 IRN150 throughfall 19.1 2238 Rocky Mountain National Park mixed bed Amberlite™ summer (> 3 months) and 1 per site; field < 0.003 mg < 0.003 mg Clow et al., 2015 Alpine / subalpine approx. 2 kg ha-1 y-1 1 M KI (200 ml) 2 2 470 16 % * 100 % 21 % * 88 % (USA) IRN150 winter (> 8 months) blank N g-1 N g-1 19.5 1380 201x7[717] & 0.003– 2M KCl (50 ml for 2 per site; fiel < 0.001 mg Fang et al., 2011 Southern China "warm and humid" – – 16.2–38.2 kg ha y -1 -1 001x7[732], 2 4 months 5 565 0.028 mg N 9–34 % 90–99 % 90 % 5–23 % 94–100 % 97 % 6.4 ml of resin) blank N g-1 21.9 1927 Guangzhou (China) g-1 San Bernardino Mountains (CA, Mediterranean semi- 155– mixed bed Amberlite™ Two periods of 3 and 4 months, < 0.001 mg 0.001 mg Fenn et al., 2002 1.9–5.1 kg ha-1 y-1 2 M KCl (200 ml) 3 4 314 5; lab blanks 104.4 % 104.5 % USA) arid 249 IRN150 respectively N g-1 N g-1 3-, 6-, 9- and 12-month periods Fenn and Poth, San Bernardino Mountains (CA, Mediterranean semi- 340– mixed bed Amberlite™ < 0.001 mg 3 mo.: 1–16 % 0.001 mg 3 mo.: 13–27 % 4.0–15.6 kg ha-1 y-1 2 M KCl (200 ml) 2 simultaneously during one 4 314 lab blanks 2004 USA) arid 840 IRN150 N g-1 1 y.: 8–61 % N g-1 1 y.: 21–69 % year Hansen, 2012 Grand Teton National Park 0.2–0.3 kg ha-1 1 (shaken for 70–90 days during the alpine 1 per plot; field < 0.001 mg < 0.001 mg ("Fenn Alpine semi-arid 8.5 155 mixed bed Rexin® 2 M KCl (100 ml) 4 2922 (USA) (summer) one hour) growing season (Jul-Oct) blanks N g-1 N g-1 collectors") Köhler et al., Lore Lindu National Park, 1.4–2.7 kg N-NO3 ha- mixed bed Amberlite™ 1 M NaCl (for 10 g 0.001 mg N Tropical 24.5 2500 1 -1 2 15–30 days during 1-2 years 3 851 1; lab blank 95% non measured 2012 Central Sulawesi (Indonesia) y MB 20 of resin) g-1 Mount Rainier, North Cascades, 1 field blank (per 0.001– Sheibley et al., 0.1–0.5 kg ha-1 mixed bed Amberlite™ 59–86 days; during summer approx. ≤ 0.001 mg approx. & Olympic Nat. Parks (WA, > 1219 m 1 N KI 2 5 1571 site) and 3 lab 0.003 mg N 9–36 % 90–91 % 7-89 % 74–96 % 2014 (summer) IRN150 2008 100 % N g-1 100 % USA) blanks g-1 Tuloss and 14– 500– mixed bed Amberlite™ California Mediterranean 2 M KCl (100 ml) 3 6 weeks; during 8 months 5 2454 90 - 95 % 90 - 95 % Cadenasso, 2015 17 940 IRN150 North– South Transect of Eastern -5.6– 526– mixed bed of #717 0.2 M KCl (100 90.3–95.5 90.9–100 Zhan et al., 2015 2.7–33.0 kg ha-1 y-1 3 1 month; during 3 years 5 192 2 field blanks > 99 % > 99 % China 22.1 1771 anion and #732 cation ml) % % 3 (shaken 30 Simkin et al., anion-exchange Dowex 93.9– Only laboratory test are considered here 1 M KI (50ml) min at 120 4-6 weeks 3 per concentration 3; lab blanks < DL 100 % non measured 2004 Monosphere 550-A 100.4 % rpm) 1M KCl (500 ml) van Dam et al., mixed bed Dowex 1- not not S Netherland and 1M HCl (500 1 2 weeks 860 NO 18 % 8% 1991 X8 and 50W-X8 measured measured ml) Wieder et al., Athabasca Oil Sands Region, mixed bed Amberlite™ 2 M KCl (40 +10 2: bath + 3–5 per period; lab Boreal - Subartic 1 387 < 1 kg ha-1 y-1 5–7 months (during 3,5 years) 3–5 236–1418 2010 Alberta (Canada) IRN150 ml) rinsing blank Equatorial with Yamashita et -1 -1 mixed bed Amberlite™ 1 M KCl (100 ml 1 per period; field Borneo island (Malaysia) modest annual 2778 2.2 kg ha y 2 5–7 months (during 2 years) 3 339 < 10–50 % < 8–25 % al., 2014 MB-1 for 2 g of resin) blank seasonality < 0.001– 0.024– Present work Barcelona region, Northeastern Mediterranean mixed bed Amberlite™ 15.2 652 3.5 kg ha-1 y-1 2 M KCl (200 ml) 2 3–4 months (during 2 years) 2 628 1-3; lab blanks 0.002 mg N 2–66 % 0.061 mg 0–141 % (CB) Spain subhumid IRN150 g-1 N g-1 Mediterranean < 0.001– 0.039– Present work mixed bed Amberlite™ Navarra region, Northern Spain continental- 12.3 645 5.4 kg ha-1 y-1 2 M KCl (200 ml) 2 3–5 months (during 2 years) 4 1257 2; lab blanks 0.006 mg N 5–67 % 0.071 mg 22 % (CA) IRN150 subhumid g-1 N g-1 0.001– 0.054– Present work Mediterranean -1 -1 mixed bed Amberlite™ Madrid region, Center Spain 14.6 348 3.1 kg ha y 2 M KCl (200 ml) 2 3–5 months (during 2 years) 4 1257 1; lab blanks 0.004 mg N 2–20 % 100 % 99 % 0.103 mg 4–27 % 100 % 112 % (TC) semiarid IRN150 g-1 N g-1 Figure A1. Diagrams of collectors deployed in the study sites. Figure A2. Monthly precipitation (top), and bulk (central) and net throughfall (bottom) deposition of nitrogen in the three sampling sites (CB in the left panel, CA in the Comentat [a1]: Yo eliminaria esta grafilca y pasaria los datos de pr y NTF a la Fig. 4 central one and TC in the right one). De todos modos, Solo si se mantiene la sección sobre la estacionalidad, que me parece que se podría quitar de este artículo pq se va un poco del tema