In southern Chile , south of the Biobío River , heavy precipitation has produced dense forests of laurels , magnolias , and various species of conifers and beeches , which become smaller and more stunted to the south .
In southern Chile , south of the Biobío River lots of rain has made dense forests of laurels , magnolias , and various species of conifers and beeches , which become smaller and more stunted to the south .