... exter-nal factors, as its germination rates vary according to the age of the seeds and the treatments to which they weresubjected. As the storage time of E. globulus seeds in-creases, they become ... sensitive to seed ageand the effects of fire. Of the two species of pine studied,P. pinaster is the least sensitive to seed age and the ef-fects of fire, and also has a larger mass.It is ... the process of germination, and their dif-fering sensibility to high temperatures, ash, and the effect of both of these together. E. globulus is the species with the smallest seeds, and is the...