Supported by the Natural National Science Foundation of China(Nos.42076040,41676067);the National Basic Research Program of China(973 Program)(No.2015CB755904);the 111 Project(No.B13030)。
The composition and concentration of dissolved free amino acid(DFAA)of seawater samples collected in May 2016 from the surface to the hadal zone of the northern region of the Yap Trench were analyzed by pre-column der...