目前陆地生态系统产氧分布图 (IMAGE) Science China Press Caption 目前陆地生态系统主要的氧源位于热带地区,而且产氧量随着纬度的增加而减小。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.