Data DOIs
Plant community  https://doi.org/10.6073/pasta/c771ce4b4eb9527b85bceb67c59b3bab 
Snow depth  https://doi.org/10.6073/pasta/8186d641539c37787495804b817e55ed 
Air temperature https://doi.org/10.6073/pasta/846acb40f7e8a0491ee789428f4e4bea 
Nitrogen deposition https://nadp.slh.wisc.edu/sites/ntn-CO02/