[1] With the first fire, hundreds and thousands succeeded, cataloging several provinces of Galicia as a catastrophic area[2] On Sunday 15 October 2017,[3] Galicia experienced an unusual heat wave at that time of the year, and shortly after noon the heat, the relative humidity of the air formula 30/30/30 = forest fire[4] (More than 30 degrees temperature, less than 30% humidity and winds of more than 30 kilometers per hour.)
That kind of business give profit to many people earning millions of euros but destroying the native forests,[6] also there is a liking of pollution in the sea (Ence, Celulosa, Paper pulp mill in Pontevedra).
The eucalyptus grow fast and takes a lot of water[7][8] The brush clearing, the lack of autochthonous Galician horses that eat the gorse and help to clean the forest, the disastrous forestry policy, the contracts in aircraft rentals, the lack of means and brigades for the extinction, or the increase of the plantation of eucalyptus that devastates the mountains and forests where there used to be native trees that protected it from fire.
The Galician Government began a compensation initiative to encourage the substitution of eucalyptus for native vegetation or to achieve its elimination in those areas where, by nature, no type of plantation existed.
[14] Eucalyptus is a support for the expansion of Velutina wasp, due to the high altitude of this species[15] and to be a perennial leaf that protects and camouflages throughout the year.