Seasonal characteristics of the diffuse attenuation coefficient of Meiliang Bay waters and its primary contributors Occurrence and output of all types of belowground buds of Leymus chinensis and the dynamics of formation and maintenance of aboveground shoots Seasonal variations of leaf nitrogen and phosphorus stoichiometry of three herbaceous species in Hangzhou Bay coastal wetlands, China Absorption characteristics and seasonal variations of optically active water constituents from Liaohe River Seasonal Variations and Cluster Analysis of the Turf Weed Communities in Shenzhen, China