5.2
definition of clearcutting
what is cutting down most/all of the trees in a forest at the same time?
the reason sustainable forestry is important
what is:
* to protect the environment?
* to maintain this industry for future generations?
one direct effect of clearcutting
what is:
* soil erosion?
* increased soil and water temp?
* flooding and landslides?
one sustainable method of lumber collection
what is:
* selective cutting?
* strip cutting?
why fires can be positive
what is:
* destroying dead biomass?
* preventing future uncontrollable fires?
* promotes nutrient cycling?
example of a tree disease
what is anthracnose or apple scab?