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Potential reduction of Hartweg´s Pine (Pinus hartwegii Lindl.) geographic distribution

Fig 3

Principal components analysis of the environmental variables and altitude used in the modeling process of P. hartwegii.

The symbol “★” indicates the nine variables that further limit the niche breadth.

Fig 3

doi: https://doi.org/10.1371/journal.pone.0229178.g003