problems

Hello everyone I was wondering if anyone recognizes this “scale like” issue?? I’ve just acquired a small parcel in bonner MT. Near Missoula. I’ll attach a photo. The maples are not the only thing on the property with this issue.I also know this has to be two different problems, Thank you in...

Gday guys I've got a baumr ag sx72 I've had it for a couple of years always ran on 25:1. Tuned the saw when I first got it got it running really well, lately I've been doing milling with it and it seems to go really well until it gets hot. At first I thought it was the air filter it wasn't...