Supporting Material

Ecological stoichiometry of nitrogen, phosphorous and sulfur in China’s forests

Appendix S1

Fig. S1.Vegetation map of the eight Chinese forest types. +indicatessampling site locations

Table S1.Contents of N, P and S in dominant plant species from eight forest types ofChina

Forest type * / species / Forest sites / n / N / P / S
mg·g-1 / mg·g-1 / mg·g-1
mean SE / mean SE / mean SE
CTC / Larixsibirica / Xinjiang / 3 / 24.4 0.2 / 1.8 / 0.8
Larixolgensis / Jilin / 1 / — / 1.9 / 0.3
Pinussibirica / Xinjiang / 1 / — / 1.7 / 2.5
Piceajezoensis / Jilin / 1 / — / 2.2 / 0.4
Piceacrassifolia / Ningxia / 2 / — / 1.1 / 2.6
Abiesnephrolepis / Jilin / 1 / — / 1.3 / 0.6
Lycopodiumclavatum / Jilin / 2 / — / 1.0 / 0.7
Lycopodiumcomplanatum / Jilin / 1 / — / 0.5 / 1.1
Lycopodiumobscurum / Jilin / 1 / — / 1.2 / 1.0
Lycopodiumannotinum / Jilin / 2 / — / 1.4 / 1.0
Rhododendron dauricum / Heilongjiang / 1 / — / 2.1 / 1.5
Pteridiumaquilinum / Heilongjiang / 1 / 12.8 / 0.8 / 0.9
Pinusdensiflora / Hebei / 2 / 10.0 0.1 / 0.7 / 0.5
Pinustabulaeformis / Ningxia,InnerMongolia,Shanxi,
Liaoning,Hebei / 5 / 9.9 0.1 / 0.9 / 0.7
Pinusbungeana / Shanxi / 1 / 11.30 / 0.3 / 0.7
Platycladusorientalis / Inner Mongolia,
Shanxi / 2 / 13.6 / 1.3 / 0.8
Average / 14.2 1.7 / 1.2 0.1 / 1.0 0.1
STC / Pinusmassoniana / Sichuan,Jiangxi,
Guangdong,Guangxi,
Guizhou / 23 / 11.1 0.1 / 0.8 / 0.7
Pinusyunnanensis / Yunnan / 2 / 8.2 0.4 / 0.2 / 0.6
Pinusarmandii / Shanxi,Yunnan / 3 / 13.6 0.4 / 0.8 / 1.2 0.1
Cunninghamialanceolata / Guizhou,Sichuan,
Guangxi / 9 / 17.0 0.4 / 0.8 / 0.8
Keteleeriaevelyniana / Yunnan / 1 / 6.3 / 0.8 / 0.1
Cupressusfunebris / Sichuan,Guizhou / 8 / 11.0 0.3 / 1.3 / 2.1 0.1
Cupressusduclouxiana / Yunnan / 2 / 9.2 0.2 / 0.8 / 1.0
Juniperusformosana / Yunnan / 1 / 9.3 / 0.2 / 1.4
Larixgriffithiana / Tibet / 1 / — / 2.8 / 0.7
Pinusdensata / Sichuan / 1 / — / 0.7 / 0.9
Piceaasperata / Sichuan / 1 / — / 1.0 / 1.9
Picealikiangensis / Qinghai / 1 / 16.9 / 2.3 / —
Piceapurpurea / Qinghai / 1 / — / 1.0 / 0.4
Abiesfaxoniana / Sichuan / 2 / — / 1.0 / 0.6
Abiesspectabilis / Tibet / 1 / — / 1.7 / 0.3
Tsugachinensis / Sichuan / 1 / 9.0 / 1.2 / 0.3
Average / 11.8 0.9 / 0.9 0.1 / 1.0 0.1
CB / Tiliaamurensis / Jilin / 1 / — / 3.7 / 0.6
Acer mono / Jilin / 1 / — / 3.4 / 0.8
Loniceramaximoviczii / Jilin / 1 / — / 2.3 / 0.9
Pinustabulaeformis / Beijing / 6 / 11.7 0.6 / 1.1 0.2 / 0.3
Quercusvariabilis / Beijing / 1 / 20 / 0.6 / —
Quercuswutaishansea / Beijing / 1 / 23 / 0.8 / —
Platycladusorientalis / Beijing / 1 / 5 / 0.9 / —
Pinuskoraiensis / Jilin / 3 / 13.9 2.4 / 1.4 0.3 / 0.5
Quercusmongolica / Jilin / 1 / 10 / 1 / —
Fraxinusmandshurica / Heilongjiang / 1 / 23 / 3 / —
Pinussylvestris / Liaoning / 3 / 10.0 1.1 / 0.9 / —
Larixgmelinii / Heilongjiang / 1 / 16.8 / 2.9 / —
Pinusmassoniana / Anhui,Guangxi,
Guangdong / 4 / 15.0 0.7 / 2.0 0.4 / —
Pinusarmandii / Shanxi / 1 / 13.0 / 1.2 / —
Average / 13.6 0.9 / 1.6 0.2 / 0.6 0.1
DBS / Quercusmongolica / Heilongjiang / 1 / 18.9 / 2.0 / 0.9
Quercusliantungensis / Shanxi / 1 / 16.0 / 0.5 / 1.0
Quercusdentata / Hebei / 1 / 10.7 / 1.0 / 0.6
Quercusacutissima / Hebei / 2 / 15.3 0.2 / 0.6 / 0.6
Tiliamongolica / Inner Mongolia,
Shanxi / 2 / 18.5 / 1.4 0.1 / 1.2
Ulmuspumila / Hebei,Shanxi,
Ningxia / 3 / 30.1 / 1.5 0.1 / 1.0
Betulapendula / Xinjiang / 2 / 22.3 0.2 / 2.3 0.1 / 1.0
Betulaplatyphylla / Tibet / 1 / — / 0.6 / 0.7
Betulaermanii / Jilin / 1 / — / 2.0 / 0.3
Populusdaviadiana / Ningxia,Sichuan / 2 / 19.8 / 1.4 / 2.2 0.1
Populustremula / Xinjiang / 1 / 20.5 / 1.1 / 1.4
Populuseuphratica / Xinjiang / 7 / 25.8 / 1.0 / 8.0 0.3
Populuspruinosa / Xinjiang / 2 / — / 0.5 / 5.7 0.3
Elaeagnusangustifolia / Xinjiang / 2 / — / 0.8 / 3.7
Elaeagnusmoorcroftii / Xinjiang / 2 / — / 0.5 / 4.4
Average / 20.4 1.6 / 1.1 0.1 / 3.4 0.8
SEDB / Pteroceltistartarinowii / Guangxi / 2 / — / 1.2 / 0.3
Celtissinensis / Guizhou,Sichuan / 4 / 13.0 0.2 / 1.0 / 1.4
Ulmusparvifolia / Guangxi,Sichuan / 2 / — / 0.4 / 2.7 0.2
Ulmustankinensis / Guangxi / 1 / — / 1.1 / 0.3
Pistaciachinensis / Guizhou,Sichuan / 2 / — / 0.8 / 1.2 0.1
Rhuschinensis / Guizhou / 1 / — / 1.1 / 1.0
Rhus succedanea / Guangxi / 1 / — / 0.6 / 1.1
Paliurushemsleyanus / Guangxi / 1 / — / 1.0 / 0.7
Sapiumsebiferum / Guangxi / 1 / — / 1.4 / 1.5
Sapiumrotundifolia / Guangxi / 1 / — / 0.8 / 0.4
Koelreuteria minor / Guangxi / 1 / — / 0.8 / 1.2
Eriobotrya japonica / Guangxi / 1 / — / 0.7 / 0.2
Prunus sp. / Guangxi / 1 / — / 0.8 / 0.2
Cladrastiswilsonii / Guangxi / 1 / — / 1.0 / 0.8
Cornusfordii / Guangxi / 1 / — / 0.8 / 0.9
Fraxinuschinensis / Guangxi / 1 / — / 0.9 / 2.1
Ligustrumretusum / Guangxi / 1 / — / 0.5 / 1.2
Liquidambar formosana / Guizhou / 2 / — / 0.9 / 0.9
Engelhardtiachrysolepis / Guangxi / 1 / — / 0.5 / 1.0
Myricarubra / Guizhou / 2 / — / 1.0 / 4.0
Quercusfabri / Guizhou,Jiangxi / 5 / 15.5 0.2 / 0.9 / 0.8
Castaneasequinii / Guizhou / 1 / — / 0.4 / 0.3
Cyclobalanopsisglauca / Guizhou,Guangxi / 11 / 12.5 0.1 / 0.7 / 0.8
Cinnamomumcalcarea / Guangxi / 2 / — / 0.8 / 0.5
Castanopsishystrix / Guizhou / 1 / — / 0.6 / 0.7
Platycaryastrobilacea / Guizhou / 4 / 20.8 / 0.6 / 0.7
Acer sp. / Guizhou / 1 / — / 1.1 / 0.5
Acer lucidum / Guizhou / 1 / — / 0.7 / 0.8
Carpinuscordata / Guizhou / 1 / — / 0.3 / 0.9
Populusadenopoda / Guizhou / 1 / — / 0.7 / 1.7
Daphniphyllumcalycinum / Guangxi / 1 / — / 9.7 / 0.6
Cyclobalanopsisoxylon / Guangxi / 1 / — / 0.5 / 0.4
Faguslongipetiolata / Guangxi / 1 / — / 0.8 / 0.6
Castanopsiseyreivar.caudata / Guangxi / 1 / — / 1.0 / 0.5
Acer sinense / Guangxi / 1 / — / 1.1 / 0.7
Ternstroemiagymnanthera / Guangxi / 1 / — / 0.6 / 1.1
Daphniphyllumoldhami / Guangxi / 1 / — / 0.9 / 0.2
Manglietiachungii / Guangxi / 1 / — / 1.2 / 0.5
Alniphyllumfortunei / Guangxi / 1 / — / 1.0 / 0.5
Dendronbenthamiacapitata / Yunnan / 1 / 17.1 / 0.6 / 2.8
Lithocarpuscalophyllus / Guangxi / 1 / — / 0.6 / 0.4
Lithocarpushancei / Guangxi / 1 / — / 0.8 / 0.2
Average / 14.7 1.1 / 0.9 0.1 / 1.0 0.1
SEB / Cyclobalanopsisglauca / Guizhou,Zhejiang,
Jiangxi,Guangxi / 5 / 12.5 0.2 / 0.7 / 0.6
Cyclobalanopsisglaucoides / Yunnan / 2 / 14.8 0.1 / 0.5 / 1.2
Cyclobalanopsisgracilis / Sichuan / 1 / — / 0.4 / 0.6
Castanopsiseyrei / Guangxi,Zhejiang / 7 / 11.7 / 0.9 / 0.6
Castanopsisselerophylla / Jiangxi,Guangxi / 4 / 12.4 0.1 / 0.9 / 0.6
Castanopsiscarlesii / Sichuan,Guangxi / 4 / 9.9 / 0.8 / 0.9
Castanopsisfargesii / Guizhou / 1 / — / 0.8 / 0.9
Castanopsisfissa / Guangxi / 1 / — / 1.2 / 0.4
Castanopsistibetana / Guizhou,Zhejiang,
Guangxi / 3 / 10.9 0.1 / 0.5 / 0.5
Castanopsisfabri / Guangxi / 1 / — / 1.0 / 0.7
Castanopsisorthacantha / Guangxi / 1 / — / 0.8 / 0.6
Castanopsisdelavayt / Yunnan / 1 / 22.3 / 0.8 / 1.6
Castanopsishystrix / Guangxi,Guizhou / 6 / 27.5 / 0.7 / 0.7
Castanopsisceratacantha / Guizhou / 3 / — / 0.8 / 1.0
Castanopsis sp. / Guizhou / 1 / — / 0.1 / 0.6
Lithocarpusdealbatus / Yunnan / 1 / 14.8 / 0.6 / 1.0
Quercusacutissima / Guizhou,Jiangxi / 4 / 11.3 / 1.0 / 0.8
Quercusfabri / Guizhou,Jiangxi / 7 / 15.2 0.1 / 1.0 / 0.9
Castaneasequinii / Guizhou,Jiangxi / 4 / 12.9 / 2.4 0.1 / 1.0
Liquidambar formosana / Guizhou,Jiangxi / 9 / 26.6 / 1.2 / 0.6
Schimasuperba / Jiangxi,Zhejiang / 2 / 13.1 0.1 / 0.4 / 1.1
Schimaargentea / Guangxi / 1 / — / 1.4 / 0.4
Schimawallichii / Guangxi / 1 / — / 0.7 / 0.4
Ternstroemiagymnanthera / Yunnan,Guangxi / 2 / 26.6 / 0.5 / 1.0 0.1
Adinandramillettii / Guangxi / 1 / — / 0.2 / 0.5
Cryptocaryachingii / Guangxi / 1 / — / 0.6 / 2.0
Platycaryastrobilacea / Guizhou / 1 / — / 1.1 / 0.4
Engelhardtiachrysolepis / Guizhou / 2 / — / 0.6 / 0.6
Daphniphyllumglaucescens / Guizhou,Sichuan / 2 / 12.9 / 0.9 / 1.0 0.1
Myricarubra / Guizhou / 4 / — / 0.4 / 1.2
Quercusaquifolioides / Sichuan / 1 / 12.2 / 6.4 / 0.9
Average / 14.6 1.0 / 0.9 0.1 / 0.8 0.1
T / Burretiodendronhsienmu / Guangxi / 1 / — / 1.6 / —
Garciniapaucinervis / Guangxi / 1 / — / 0.5 / 1.0
Garciniatinctoria / Guangxi / 1 / — / 0.5 / 1.0
Ostodespaniculatus / Guangxi / 1 / — / 1.3 / 1.5
Cinnamomumcalcarea / Guangxi / 1 / — / 0.8 / 0.2
Diospyrosdumatorum / Guangxi / 1 / — / 0.9 / 0.9
Tarrietiaparvifolia / Guangdong,Hainan / 1 / — / 0.7 / 1.4
Gironnierasubsequalis / Guangdong,Hainan / 1 / — / 1.2 / 1.4
Albizziachinensis / Guangxi / 1 / 19.0 / 1.5 / 1.1
Cryptocarya sp. / Guangdong,Hainan / 1 / 22.2 / 0.4 / 4.1
Liquidambar formosana / Guangxi / 1 / — / 1.1 / 0.4
Lithocarpusxylocarpus / Yunnan / 1 / 12.2 / 0.8 / —
Machilusviridis / Yunnan / 1 / 12.7 / 0.9 / —
Castanopsiswattii / Yunnan / 1 / 14.3 / 1.0 / —
Schimanoronhae / Yunnan / 1 / 10.4 / 0.8 / —
Manglietiainsignis / Yunnan / 1 / 11.2 / 0.7 / —
Hartiasinensis / Yunnan / 1 / 10.9 / 0.8 / —
Lithocarpusjingdongensis / Yunnan / 1 / 14.4 / 1.2 / —
Vaticamangachapoi / Hainan / 1 / 16.0 / 1.8 / —
Keteleeriahainanensis / Hainan / 1 / 9.63 / 1.3 / —
Pinusfenzeliana / Hainan / 1 / 12.1 / 1.2 / —
Cryptocaryadensiflora / Hainan / 1 / 11.5 / 1.7 / —
Illiciumternstroemioides / Hainan / 1 / 8.95 / 1.6 / —
Syzygiumaraiocladum / Hainan / 1 / 11.0 / 1.0 / —
Phyllanthusemblica / Hainan / 1 / 16.9 / 1.7 / —
Quercuskerrii / Hainan / 1 / 17.1 / 1.4 / —
Dacrydiumpierrei / Hainan / 1 / 7.2 / 1.4 / —
Quercustiaoloshanica / Hainan / 1 / 11.4 / 1.3 / —
Quercus sp. / Hainan / 1 / 22.0 / 1.2 / —
Lithocarpushandelianus / Hainan / 1 / 10.3 / 1.2 / —
Beilschmiediaintermedia / Hainan / 1 / 10.8 / 1.1 / —
Machiluschinensis / Hainan / 1 / 9.3 / 0.8 / —
Machilusbreviflora / Hainan / 1 / 12.6 / 1.2 / —
Alseodaphnehainanensis / Hainan / 1 / 10.6 / 1.8 / —
Polyalthialaui / Hainan / 1 / 19.6 / 2.0 / —
Alphonseamonogyna / Hainan / 1 / 16.9 / 2.0 / —
Diospyroshowii / Hainan / 1 / 13.2 / 1.2 / —
Diospyrosinflata / Hainan / 1 / 11.1 / 1.0 / —
Artocarpustonkinensis / Hainan / 1 / 13.5 / 1.4 / —
Pseudostreblusindica / Hainan / 1 / 15.7 / 1.4 / —
Adinandrahainanensis / Hainan / 1 / 9.8 / 1.0 / —
Schimasuperba / Hainan / 1 / 10.8 / 0.8 / —
Xanthophyllumhainanense / Hainan / 1 / 12.2 / 1.6 / —
Syzygiumcumini / Hainan / 1 / 9.0 / 1.6 / —
Altingiaoborata / Hainan / 1 / 8.4 / 1.1 / —
Micheliabalansae / Hainan / 1 / 10.1 / 1.3 / —
Gironnierasubaequalis / Hainan / 1 / 40.1 / 1.4 / —
Hopeahainanensis / Hainan / 1 / 14.5 / 1.4 / —
Engelhardtiaroxburghiana / Hainan / 1 / 15.9 / 1.4 / —
Litchi chinensis / Hainan / 1 / 12.7 / 1.3 / —
Pentaphylaxeuryoides / Hainan / 1 / 13.1 / 1.5 / —
Symplocospaniculata / Hainan / 1 / 15.8 / 1.3 / —
Mallotusapelta / Hainan / 1 / 15.4 / 4.3 / —
Lanneacoromandelica / Hainan / 1 / 20.0 / 2.3 / —
Polyalthiacerasoides / Hainan / 1 / 20.4 / 0.8 / —
Castanopsisfarmosana / Hainan / 1 / 16.8 / 1.9 / —
Trematomentosa / Hainan / 1 / 26.5 / 3.6 / —
Microcospaniculata / Hainan / 1 / 26.9 / 2.0 / —
Pterospermumheterophyllum / Hainan / 1 / 14.5 / 2.5 / —
Dalbergiaodorifera / Hainan / 1 / 27.6 / 0.3 / —
Bruguierasexangula / Hainan / 1 / 21.7 / 3.6 / —
Ceriopstagal / Hainan / 1 / 13.2 / 2.0 / —
Aegicerascorniculatum / Hainan / 1 / 9.7 / 2.6 / —
Average / 14.8 0.8 / 1.5 0.1 / 1.3 0.3
STB / Phyllostachyspubescens / Guangxi / 1 / 16.7 / 1.3 / 1.0
Phyllostachys praecox / Zhejiang / 1 / 10.7 / 2.4 / —
Fargesiaspathacea / Yunnan / 1 / 21.4 / 1.1 / —
Average / 16.3 2.5 / 1.6 0.3 / 1.0

Note:* CTC, cold-temperate and temperate coniferous forest; TSC, tropical and subtropical coniferous forest; CB, coniferous and broad-leaf mixed forest; DBS, deciduous broad- or small-leaf forest; SEDB, subtropical evergreen and deciduous broad-leaf forest; SEB, subtropical (sclerophyllous) evergreen broad-leaf forest; T, tropical forest; and STB, subtropical and tropical bamboo forest.n represents number of plant species samples. For each species, the content of a nutrient is the average of several samples.

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