Table 1.

Brief description of 11 sampling locations

Latitude and longitudeSiteSymbolsSoil typesBiome classificationDominant plants
68°N, 19°EAbisko, Sweden (NERC site)ABSpodosolTundraEmpetrum hermaphroditum, Vaccinium, lichen
68°N, 150°WToolik Lake LTER, AlaskaTKGelisolTundraEriophorum vaginatum
66°N, 19°EReivo, Sweden (NERC site)RESpodosolBoreal forestPinus sylvestris, Vaccinium myrtillus, Empetrum hermaphroditum, Pleurozium schreberi
64°N, 148°WBonanza, LTER, AlaskaBZInceptisolBoreal forestPicea mariana
39°N, 97°WKonza Prairie LTER, KansasKZMolisolGrasslandAmbrosia, Symphotrichum
10°N, 84°WLa Selva, Costa RicaCRInceptisol and ultisolTropical forestPentaclethra macroloba
1°S, 37°EKenya, Kapiti RanchKYVertisolArid grasslandThemeda triandra, Digitaria macroblephara, Penisetum mezianum
13°S, 70°WPeru, Los Amigos Biological StationPUUltisol and inceptisolTropical forestBertholletia excelsa and other Lecythidaceae
34°S, 18°ECape Peninsula, South AfricaSASpodosolMediterraneanErica (heather), Elegia caspidata, Elegia filacea
42°S, 171°ENew Zealand, forestsNZInceptisolWarm temperate rainforest“Mixed podicarp-hardwood,” Dacrydium cupressinum, Quintinia acutifolia, Weinmannia racemosa
45°S, 70°WArgentina, INTA Río Mayo StationARAridisolShrub steppeMulinum spinosum, Adesmia campestris, Senecio filaginoides, Stipa speciosa, Stipa humilis, Poa ligularis
  • LTER, Long Term Ecological Research; INTA, Instituto Nacional de Tecnología Agropecuaria; NERC, National Environment Research Council.