Species interactions and plant traits of dune grasses in a burial experiment

A multi-factorial greenhouse experiment of three common dune grasses (Ammophila breviligulata, Uniola paniculata, and Spartina patens) in different interspecific combinations was performed, using sand burial and salinity sea spray as abiotic stressors. Sand burial (25 cm) was applied once at the beginning of the study. Sea spray was applied three times per week. Morphological measurements (leaf elongation, maximum root length, biomass, leaf C, N and isotopes) were collected after 12 weeks.

本研究开展了一项多因子温室试验，以3种常见沙丘草本植物（Ammophila breviligulata、Uniola paniculata和Spartina patens）为供试材料，设置不同种间组合，以沙埋与含盐海雾作为非生物胁迫因子。试验初始阶段一次性施加25 cm厚度的沙埋处理，含盐海雾每周施加3次。试验持续12周后，采集形态学指标数据，包括叶片伸长量、最大根长、生物量、叶片碳（C）、氮（N）含量及其同位素比值。