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. 2018 Aug 2;13(8):e0201350. doi: 10.1371/journal.pone.0201350

Fig 1. The a priori model for leaf P concentrations.

Fig 1

Single headed arrows indicate a causal influence of one variable upon another. Double headed arrows indicate correlation between two variables. Abbreviations: MAT, mean annual temperature; MAP, mean annual precipitation; TSN, total soil nitrogen; TSK, total soil potassium; TSP, total soil phosphorus; LMT, leaf morphological trait; LMA, leaf mass per area; LA, leaf area; LDW, leaf dry weight; Pmass, leaf phosphorus per unit mass; Parea, leaf phosphorus per unit area.