Springtime Drought Affects Net Carbon Balance in Evergreen Black Spruce Trees, Damaging Canopy Development Drought during budbreak affects branch morphology and physiology. The researchers studied effects of drought and re-hydration on early season branch development, carbon uptake, and internal carbon cycling in 10-year-old Picea mariana (black spruce) trees. During a six-week drought treatment, researchers measured … Continue reading Springtime Drought Affects Net Carbon Balance in Evergreen Black Spruce Trees, Damaging Canopy Development