Climate change poses a real threat to the global ecosystems around the world. However, the positive and negative feedbacks as well as the disparities of scales that key processes operate over make analyses complex. Further, most current multi-decadal impact studies have omitted small-scale ecosystem processes and feedbacks, i.e vegetation pattern formation processes, reducing the realism of the model and the accuracy of their predictions. We invite contributions that address how fine-scale ecosystem and hydrological processes can realistically be included in simulations over large areas and for multi-decadal impact assessments.