![](https://ales-cms.ales.ualberta.ca/silviculture/wp-content/uploads/sites/10/2018/04/Sebastian-Defense-April-2018--1024x812.jpg)
Congratulations Dr. Dietrich! It was a pleasure to be on Sebastian’s PhD committee and he did a great job at his defense yesterday. Thesis titled: Characterization of Soil Spatial Heterogeneity and Improvement of Capping Materials for Oil Sands Mine Reclamation to Reestablish Function of Native Boreal Upland Forest Ecosystems