Natural regeneration is promoted by silvicultural
practices such as light felling, weeding, and soil
amelioration. Light felling possibly reduces reproduction
effective population sizes of tree species with
limited dispersal of genes through seed and pollen.
Thus, it is expected to promote genetic differentiation
among patches of natural regeneration due to uneven
contributions of seed- and pollen-parents. Similar
levels of genetic variation and no losses of genetic
diversity at RFLP and SSR gene loci were observed in
regeneration of trial plots of Eucalyptus sieberi in
Australia after large-scale clear cutting (10 ha) followed
by direct aerial re-sowing, seed trees with site
preparation by mechanical disturbance, and seed trees
with site preparation by burning