Study on Low-carbon and Ecological Compensation Mechanism of Vegetable Production 并列题名：Study on Low-carbon and Ecological Compensation Mechanism of Vegetable Production Study on low-carbon ecological towns and technological innovation Study on improving ecological compensation mechanism Study on regional ecological compensation mechanism Research on ecological compensation mechanism of Poyang Lake river basin Water ecological compensation mechanism: case and implications Ecological compensation mechanism of mineral resources Study on farmland protection compensation mechanism in China 并列题名：Ecological compensation mechanism of mineral resources