1) Background: Nowadays, the restoration of abandoned mines has gained more attention due to its significance in vegetation recovery and ecological security. Although some studies have indicated the sexual dimorphism of dioecious plants in response to the environmental adaptability, Seasea-buckthorn (Hippophae rhamnoides L.), a diecious species of widely used in afforestation and soil conservation, has not been explored their sexual interaction effect has not been studied the effects of sexual interactions on degraded ecosystem restoration; (2) Methods: In the situ experiment, the physiologica...