![Retention treatment - Unlogged control](https://mothertreeproject.org/wp-content/uploads/2019/12/05_retention_control-1067x800.jpg)
1) Unlogged control
![Retention Treatment - Clearcut](https://mothertreeproject.org/wp-content/uploads/2019/12/01_retention_clearcut-1067x800.jpg)
2) Clearcut
No trees of any size retained
No trees of any size retained
Retention of 60% of the stand area in connected patches containing mature old Douglas-fir and their neighbours
Retained patches thinned from below by reaching in with a machine
All trees of all sizes cut in the 40% of the stand area that is cleared
Retained areas and gaps can be irregularly shaped