[1]KirchmanD L, Wheeler P A. Uptake of ammonium and nitrate by heteotrophic bacteria and phytoplankton in the sub-Arctic Pacific [J]. Deep-SeaRes (Ⅰ), 1998, 45:347 - 365.
[6]Puddu A, Zoppini A, Fazi S, et al. Bacterial uptake of DOM released from P- limited phytoplankton[J]. FEMS Microbiology Ecology, 2003, 46(3): 257 - 268.