Seasonal variations of leaf nitrogen and phosphorus stoichiometry of three herbaceous species in Hangzhou Bay coastal wetlands, China
WU Tong-Gui, WU Ming, LIU Li, XIAO Jiang-Hua
Chin J Plant Ecol . 2010, (1): 23 -28 .  DOI: 10.3773/j.issn.1005-264x.2010.01.005