Figure 4
Quarterly average N:P ratio in non-aquaculture areas (NAA) and aquaculture areas (CAA) in the upstream Yellow River (UYR) from 2013 to 2017. (a) UYR, (b) LYR, (c) LXR, (d) LJR, (e) GBR, and (f) SZR.
Figure 4 | Scientific Reports
Quarterly average N:P ratio in non-aquaculture areas (NAA) and aquaculture areas (CAA) in the upstream Yellow River (UYR) from 2013 to 2017. (a) UYR, (b) LYR, (c) LXR, (d) LJR, (e) GBR, and (f) SZR.
