12 marzo 1977 anni - From 1977 to 1981, there was an average annual loss of 46 million ha^3 of forest biomass in Ontario
Descrizione:
- this was due to insects and decay
- one of the main insects that altered a lot of the landscape was the spruce budworm
Aggiunto al nastro di tempo:
ESTD17 Fauna and Flora of Toronto/ Rouge
Data:
