Very cool atmosphere and use of Dorian. I especially like 1:50 to the end it is very soothing to my ears. I disagree with Kale on the strings, I think they sound great, the reverb helps of course but the bank you have with the high strings vibrato sounds nice. The only compositional aspect I would look is before 1:50 when you're playing with the root chord going to another chord and immediately going back to root chord, I was not convince on where this was going, you could probably work on this part and add something in the arrangement that would help the flow of going somewhere or stay modal the entire way until 1:50 and find something to add to the flow.
Nonetheless, that is an awesome soundscape, I really enjoyed it, good job !