长江流域营养物质估算汇总(仅考虑到主要途径) (IMAGE) Science China Press Caption 根据2003-2015年期间的考察和文献数据汇编,对氮、磷的主要源和汇进行了比较和总结。与流域中保留的营养物质相比,入海的河流通量非常小。 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.