Using height growth to model local and regional response of trembling aspen (Populus tremuloides Michx.) to climate within the boreal forest of western Québec

► Trembling aspen productivity overtime as influenced by climate was modeled. ► The model explains and predicts most of the variation overtime in aspen productivity. ► The model reveals that aspen responds more to a local climate than a regional climate. ► Local site factors e.g. soil clay content interact with climate to influence aspen productivity substantially.