Forest Insect and Disease Tally System FINDIT User Manual RMRS GTR 49 Fs Fed Form

Instructions and help about Forest Insect And Disease Tally System FINDIT User Manual RMRS GTR 49 Fs Fed

we're standing in a mixed forest but it's dominated right here by balsam fir it's hard for me to know exactly how old they are but they're just judging them to be probably in the 30 year range or so these these balsam fir will be the most affected by the budworm if it was to build up to critical populations in a stand like this the spruce budworm is a member of Lepidoptera and it is a moth essentially that has its lifecycle in the in the main roost fir forest and throughout the canadian forest and every 30 to 60 years in this part of its range it will undergo a large outbreak and the budworm essentially d foliate stew trees over a period of years and after about 3 to 5 years of this kind of defoliation the trees begin to die the one in the civet and that from 1970 to 85 which many foresters are my age and older remember very well basically D foliated millions of acres of northern Maine there was a lot of mature spruce and fir at that point there was a lot of dependence on the spruce an