# name (nutrients.res)

The name of the reservoir and wetland nutrient record is a primary key referenced by the foreign keys [nut](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/reservoirs/reservoir.res/nut) in [**reservoir.res**](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/reservoirs/reservoir.res) and [nut](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/wetlands/wetland.wet/nut) in [**wetland.wet**](https://swatplus.gitbook.io/io-docs/~/changes/GiVD5ID0WVyRIAumaMy2/introduction/wetlands/wetland.wet). All names in the **nutrient.res** file must be unique.