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Direct and indirect climate controls predict heterogeneous early-mid 21st century wildfire burned area across western and boreal North America

Fig 4

Direct and indirect influences of seasonal temperature and snow cover duration on annual area burned.

Results of Structural Equation Models (SEM;1974–2004) show the direct path coefficients for (a) spring and (b) winter temperature on LDPS, (c) the direct effect of LDPS on AAB, the indirect effects of (d) spring and (e) winter temperature on AAB as expressed by variation in LDPS, and the direct effects of (f) spring and (g) winter temperature on AAB.

Fig 4

doi: https://doi.org/10.1371/journal.pone.0188486.g004