Effects of crown damage on tree mortality and tropical forest carbon cycling

Tree mortality plays an important role in shaping forest structure, community composition and biogeochemical cycles, and yet the causes of tree mortality remain poorly understood, leading to large uncertainty in predictions of future forest dynamics under global change. In this set of talks we describe 1) empirical analysis showing the importance of tree damage as a predictor of individual tree death and 2) how representing crown damage in a vegetation demographic model alters simulated tree mortality rates and carbon cycling. We will highlight the need to further our understanding of how stressors compound over time to kill trees, and the need to represent these legacy effects in vegetation models. We describe how the integration of field data and model development can improve our understanding of tropical forest functioning.

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