Supplementary material: Table S1. Sample source and all mean inter-lab calibrated essential amino acid values (δ13CEAA) used in
this study. Means are based on 2 technical replicates for each biological sample and 3 technical replicates for fungi, bacteria, and plant
reference samples (Larsen et al., 2013).
ID
F1
Sample
Fungi
F2
Fungi
F3
F4
F5
F6
F7
F8
F9
Fungi
Fungi
Fungi
Fungi
Fungi
Fungi
Fungi
B1
Bacteria
B10
B11
B12
B3
B4
B5
B6
B7
B8
B9
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Species
Ascomycota
Aureobasidium
pullulans
Bionectria orhroleuca
Nectria vilior
Unidentified
Unidentified
Unidentified
Mortierella alpi
Unidentified
Burkholderia
xenovorans
Bacteria G
Bacteria H
Bacteria J
Klebsiella sp.
Rhodococcus sp.
Bacteria B
Bacteria C
Bacteria D
Bacteria E
Bacteria F
Category
Fungi
LDA
Training set
Ile
-24
Lys
-22.6
Phe
-26.9
Val
-25.6
Fungi
Training set
-22.8
-21
-26.1
-22.2
Fungi
Fungi
Fungi
Fungi
Fungi
Fungi
Fungi
Training set
Training set
Training set
Training set
Training set
Training set
Training set
-25.4
-23.2
-9.1
-8.7
-10
-6.6
-9.8
-22.2
-23.1
-7.2
-9
-8.7
-5.5
-7.9
-29.7
-27.5
-14.1
-14.8
-15
-12.9
-14.8
-26.6
-27.3
-10.9
-8.8
-10.6
-9.2
-12.1
Bacteria
Training set
-12.5
-4.9
-18.3
-14.1
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Bacteria
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Training set
-19.2
-19.1
-24.6
-19.5
-24.3
-16.6
-17.6
-16.1
-16.6
-21.7
-12.3
-13.1
-19.3
-14.8
-15.7
-9.3
-9.8
-7.4
-9
-16
-20.4
-21.5
-28.3
-24.1
-28.5
-17.9
-19.7
-18
-17.3
-26.6
-22
-22.7
-26.5
-21.4
-26.9
-18.3
-21.6
-19.6
-18.2
-25.6
T1
T10
Plants
Plants
T11
Plants
T12
T2
T3
T4
T5
T6
T7
T8
T9
T1
T2
T3
T4
T5
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Termite
Termite
Termite
Termite
Termite
Quercus robur
Salix reticulata
Eriophorum
angustifolium
Rumex arcticus
Alnus glutinosa
Salix sp.
Polygonum viviparum
Carex aquatilis
Calamagrostis cadensis
Menganthes trifoliata
Betula
Carex utriculata
Termite carcass
Termite carcass
Termite carcass
Termite carcass
Termite carcass
TG1
Termite gut
Termite gut filtrate
TG2
Termite gut
Termite gut filtrate
TG3
Termite gut
Termite gut filtrate
TG4
Termite gut
Termite gut filtrate
TG5
Termite gut
Termite gut filtrate
Wood 1A
Wood 1B
Wood
Wood
Wood
Wood
Plants
Plants
Training set
Training set
-29.7
-25.7
-20.1
-17.7
-32.1
-26
-37.7
-31
Plants
Training set
-23.8
-16.3
-26.5
-30.5
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Plants
Termite carcass
Termite carcass
Termite carcass
Termite carcass
Termite carcass
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Wood
Wood
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Training set
Termite carcass
Termite carcass
Termite carcass
Termite carcass
Termite carcass
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Termite gut
filtrate
Wood
Wood
-28.2
-31.3
-24.8
-27.9
-27.3
-27.7
-28
-25.7
-28.3
-26.59
-26.56
-27.62
-27.97
-26.11
-20.1
-22.4
-17
-18.4
-17
-19.5
-18
-18.4
-18.8
-19.7
-19.28
-21.72
-24.37
-20.04
-29.5
-33.4
-26.6
-28.4
-27.2
-28.4
-28.2
-27.4
-28.5
-26.84
-26.54
-27.25
-27.66
-26.25
-34.7
-36.6
-31.9
-33.8
-32.1
-32.6
-32.7
-31.1
-33.2
-27.4
-26.79
-28.92
-28.77
-26.89
-42.35
-18.93
-25.37
-27.08
-29.26
-20.8
-28.16
-27.68
-31.3
-18.05
-27.47
-28.79
-32.96
-19.78
-27.4
-27.05
-28.49
-21.98
-27.92
-27.41
-21.54
-27.45
-19.49
-24.46
-26.35
-29.78
-24.83
-29.53
Wood 2B
ALB-FS-1
ALB-FS-2B
Wood
Fusarium
sp.
Fusarium
sp.
Wood
Wood
Wood
-23.78
-20.36
-27.44
-27.74
Test fungus
Test fungus
Predictor
-20.73
-19.50
-26.54
-22.49
Test fungus
Test fungus
Predictor
-23.19
-23.44
-27.54
-25.29