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{"sheet":"Abiotic variables","index":0,"n_rows":83,"n_cols":6,"rows_kept":83,"cut":false,"hidden":false,"merged":[[2,0,14,0],[15,0,25,0],[57,0,80,0],[30,0,56,0],[26,0,27,0],[28,0,29,0],[0,0,0,5]]}
["Supplemental Table 1. Abiotic variables measurements"]
["Category","Variable","Units","Mean","Max","Min"]
["Total Metals","Al","mg/kg",9269.184753,21777.0842,2144.7518]
[null,"V","mg/kg",188.7807109,247.5514,139.4099]
[null,"Cr","mg/kg",110.7074255,189.9746,76.6102]
[null,"Fe","mg/kg",46943.25069,60660.5804,34655.5588]
[null,"Co","mg/kg",24.60888182,31.7128,16.576]
[null,"Ni","mg/kg",83.02837455,147.9183,41.1203]
[null,"Cu","mg/kg",54.1455,77.4436,29.6198]
[null,"Zn","mg/kg",165.7723873,202.7943,135.5186]
[null,"Ag","mg/kg",0.591818182,1.0441,0.0361]
[null,"Cd","mg/kg",0.107581818,0.2432,0.0716]
[null,"Ba","mg/kg",282.9846309,434.1848,136.2114]
[null,"Pb","mg/kg",21.08647818,34.247,11.5672]
[null,"Hg","mg/kg",37.29090909,66.0,6.0]
["Adsorbed Metals","Al","µg/kg",1798.122296,4512.768,914.8595]
[null,"V","µg/kg",227.34794,873.8374,100.46]
[null,"Cr","µg/kg",83.78971091,207.7939,22.8547]
[null,"Fe","µg/kg",37196.82369,42315.2505,28944.40733]
[null,"Co","µg/kg",37.58147636,84.4057,11.9789]
[null,"Ni","µg/kg",1131.232642,1908.6221,834.3498]
[null,"Cu","µg/kg",132.5044545,325.2734,27.3909]
[null,"Zn","µg/kg",415.1535109,774.5742,223.0462]
[null,"Cd","µg/kg",6.044396364,18.818,2.6421]
[null,"Ba","µg/kg",1887.340929,3483.4576,1077.7082]
[null,"Pb","µg/kg",55.73987455,90.2011,26.8862]
["Organic Matter","Organic Matter","%",1.631254545,2.894,1.148]
[null,"Organic Carbon","%",0.946209636,1.67843,0.66612]
["Total Hydrocarbons","Total aromatic hydrocarbons","µg/kg",72.44246364,125.4487,56.0708]
[null,"Total aliphatic hydrocarbons","µg/kg",3266.220182,6363.72,0.47]
["Aliphatic hydrocarbons","N-undecane","µg/kg",6.815454545,14.21,"<D.L."]
[null,"N-pentadecane","µg/kg",45.02181818,64.59,"<D.L."]
[null,"N-hexadecane","µg/kg",67.264,93.72,0.47]
[null,"N-heptadecane","µg/kg",58.70618182,78.93,"<D.L."]
[null,"N-octadecane","µg/kg",73.57945455,94.21,"<D.L."]
[null,"Phytane","µg/kg",54.182,71.27,"<D.L."]
[null,"N-nonadecane","µg/kg",84.33036364,114.56,"<D.L."]
[null,"N-Eicosane","µg/kg",98.39890909,210.32,"<D.L."]
[null,"N-heneicosane","µg/kg",109.1472727,345.47,"<D.L."]
[null,"N-docosane","µg/kg",117.3072727,539.12,"<D.L."]
[null,"N-tricosane","µg/kg",124.2707273,638.22,"<D.L."]
[null,"N-tetracosane","µg/kg",134.4238182,635.85,"<D.L."]
[null,"N-pentacosane","µg/kg",159.1256364,640.78,"<D.L."]
[null,"N-hexacosane","µg/kg",133.2561818,463.42,"<D.L."]
[null,"N-heptacosane","µg/kg",176.3185455,557.79,"<D.L."]
[null,"N-octacosane","µg/kg",145.4894545,412.9,"<D.L."]
[null,"N-nonacosane","µg/kg",286.5832727,579.13,"<D.L."]
[null,"N-triacontane","µg/kg",131.0985455,370.26,"<D.L."]
[null,"N-hentriacontane","µg/kg",515.888,1306.57,"<D.L."]
[null,"N-dotriacontane","µg/kg",108.3274545,257.73,"<D.L."]
[null,"N-tritriacontane","µg/kg",188.7434545,378.02,"<D.L."]
[null,"N-tetratriacontane","µg/kg",78.05145455,137.29,"<D.L."]
[null,"N-pentatriacontane","µg/kg",153.6267273,312.01,"<D.L."]
[null,"N-hexatriacontane","µg/kg",73.37272727,153.65,"<D.L."]
[null,"N-heptatriacontane","µg/kg",61.75909091,165.42,"<D.L."]
[null,"N-octatriacontane","µg/kg",24.89509091,152.77,"<D.L."]
[null,"N-nonatriacontane","µg/kg",5.936727273,87.84,"<D.L."]
["Aromatic hydrocarbons","Naphthalene","µg/kg",2.125705455,3.8087,0.8187]
[null,"2-methylnaphthalene","µg/kg",2.261496364,3.7068,1.3781]
[null,"1-methylnaphthalene","µg/kg",1.893941818,2.6077,1.3186]
[null,"Biphenyl","µg/kg",2.128618182,4.6915,0.8178]
[null,"2,6-Dimethylnaphthalene","µg/kg",2.617761818,4.331,1.8248]
[null,"Acenaphthylene","µg/kg",2.349578182,3.0393,2.1946]
[null,"Fluorene","µg/kg",2.546158182,3.1619,2.2435]
[null,"Dibenzothiophene","µg/kg",2.123730909,3.0754,1.7485]
[null,"Anthracene","µg/kg",3.297792727,4.5416,2.9733]
[null,"1-Methylphenanthrene","µg/kg",3.839903636,5.4868,2.9202]
[null,"2-Methylphenanthrene","µg/kg",3.424621818,4.1221,3.0012]
[null,"Fluoranthene","µg/kg",6.297774545,37.4915,3.3179]
[null,"Pyrene","µg/kg",1.287172727,3.4669,0.5762]
[null,"Benzo(a)anthracene","µg/kg",1.948692727,3.9379,1.5288]
[null,"Triphenylene","µg/kg",0.526647273,0.856,0.407]
[null,"Chrysene","µg/kg",0.66222,0.8666,0.5584]
[null,"Benzo(b)fluoranthene","µg/kg",2.903998182,4.4442,2.3021]
[null,"Benzo(k)fluoranthene","µg/kg",2.765252727,3.9409,2.3889]
[null,"Benzo(e)pyrene","µg/kg",3.587652727,4.6354,3.2962]
[null,"Benzo(a)pyrene","µg/kg",3.22566,4.4165,2.5299]
[null,"Perylene","µg/kg",3.803369091,10.719,2.1552]
[null,"Indene(1,2,3-cd)pyrene","µg/kg",2.313323636,3.938,1.7362]
[null,"Dibenzo(a,h)anthracene","µg/kg",3.127045455,3.3002,3.0582]
[null,"Benzo(g,h,i)perylene","µg/kg",2.396323636,3.7568,1.959]
[]
["<D.L. : Less than the detection limit"]

{"sheet":"Spectral feature selection","index":1,"n_rows":13,"n_cols":2,"rows_kept":13,"cut":false,"hidden":false,"merged":[]}
["Supplemental tabla 1. Abiotic variables with greater weight in spectral feature selection chosen with Relieff method. "]
["The closer to 1 is the position of the variable ranked, its contribution is greater to explain the data distribution."]
["Variables","Rank position"]
["Total aromatic hydrocarbon",1.0]
["Depth",2.0]
["Organic Matter (%)",3.0]
["Cd adsorbed",4.0]
["Total Al",5.0]
["Total Zn",6.0]
["Total Ag",7.0]
["Cu adsorbed",8.0]
["Total Cu",9.0]
["Total Co",10.0]