Competition, Drought, Season Length? Disentangling Key Factors for Local Adaptation in Two Mediterranean Annuals across Combined Macroclimatic and Microclimatic Aridity Gradients
ABSTRACT Competition in mesic sites and drought stress combined with short growing seasons in drier sites are key environmental factors along macroclimatic aridity gradients.They impose a triangular trade‐off for local adaptation.However, as experiments have rarely disentangled their effects on plant fitness, uncertainty remained whether mesic po