Research questions investigated Trenched Trenched Trenched Untrenched Untrenched Untrenched
C I A C I A
1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines? 1. Do treatments influence NSCs of ponderosa pines?
Does trenching affect carbohydrates?
X
X
Do bark beetle attacks affect carbohydrates?
X
X
Does microbial inoculations affect carbohydrates?
X
X
2. Is drought-biotic stressor interaction significant for NSCs and terpene concentrations-bark beetle attacks X X X X
Is drought-biotic stressor interaction significant for NSCs and terpene concentrations-inoculations
X
X
X X
3. Do changes in NSCs result in changes in defense metabolites? X X X X X X
4. Do concentrations of carbohydrates and terpenes vary between dying and live trees within the same treatment? X
Do concentrations of carbohydrates and terpenes vary between dying and control live trees?
X
X
5. Can interactions between carbohydrates and terpenes explain tree mortality? X X X X X X