Acknowledgements
This research was carried out in the framework of the research contract (CDL-CTTRI-88-ARH/2018 REF.-138-88-ARH/2018) of the first author, funded by national funds (OE), through the Portuguese Foundation for Science and Technology (FCT/MCTES), in the scope of the framework contract foreseen in the numbers 4, 5 and 6 of the article 23, of the Decree-Law 57/2016, of August 29, changed by Law 57/2017, of July 19. Thanks are also due for the financial support to CESAM (UID/AMB/50017/2019), to FCT/MCTES through national funds, and the cofounding by the FEDER, within the PT2020 Partnership Agreement and Compete 2020. USDA Forest Service, Pacific Southwest Research Station provided some additional funds for supplies and travel. We thank Jayme Seehafer and Susan Edinger Marshall for their assistance in our lab analysis, Diane Sutherland, Will Olsen, Drew Coe, Sergio Prats Fons and Pilar Alegre Espada for their help with the field work. We also thank Will Olsen for an early version of Fig. 1, and Pete Robichaud and Bob Brown for the use of the simulator and associated supplies. We also thank CALFIRE and the BMDSF staff for their cooperation at the field location.