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Table 2 Correlation matrix (Pearson non-parametric correlation) for analysed variables (*90% significance, **95% significance). Data (N = 10) correspond to 10 studied species (Pinus halepensis, Quercus ilex., Quercus faginea, Quercus suber, Erica arborea, Arbutus unedo, Pistacia lentiscus, Calicotome spinosa, Juniperus oxycedrus and Tetraclinis articulata)

From: Flammability of some companion species in cork oak (Quercus suber L.) forests

 

FMC

TTI

PHRR

AEHC

RMF

FMC

1.000

− 0.223

− 0.571*

− 0.787**

0.478

TTI

 

1.000

0.726**

0.624**

− 0.365

PHRR

  

1.000

0.866**

− 0.596*

AEHC

   

1.000

− 0.690**

RMF

    

1.000

  1. FMC fuel moisture content, TTI time to ignition, PHRR peak heat release rate, AEHC average effective heat of combustion, RMF residual mass fraction