Survey and study on the wild fruit tree resources of China 并列题名：Survey and study on the wild fruit tree resources of China Survey and mapping of the rangeland resources of China Survey and study on the key protected species in typical nature reserves of China 并列题名：Case study on the disputes of land and resources in China 并列题名：Survey and study on the key protected species in typical nature reserves of China 并列题名：Survey and mapping of the rangeland resources of China Case study on the disputes of land and resources in China