Fall 2011 plant monitoring survey -- biomass calculated from shoot height and flowering status of plants in permanent plots at GCE sampling sites 1-10

The biomass of plants surveyed in permanent plots at 10 GCE LTER sampling sites in October 2011 was estimated based on allometric relationships between biomass and shoot height and flowering status derived for each site, zone, and species in October 2002 and October 2008. Biomass was only calculated for dominant species, including Spartina alterniflora, S. cynosuroides, Juncus roemerianus, and Zizaniopsis miliacea, as well as rarer species including Scirpus spp, Panicum spp. and Typha angustifolia. This data set is based on GCE plant monitoring survey data set PLT-GCEM-1112a, and allometric relationships were based on GCE data sets PLT-GCEM-0211b, PLT-GCEM-0711, and PLT-GCEM-2011.

2011年10月，针对10个GCE LTER长期生态研究固定采样样地中完成调查的植物生物量，研究基于2002年10月与2008年10月期间针对各采样点、区域及物种建立的生物量与株高及开花状态间的异速生长关系进行估算。本次生物量计算仅覆盖优势物种与稀有种群：优势物种包含互花米草（Spartina alterniflora）、盐地鼠尾粟（Spartina cynosuroides）、鲁氏灯心草（Juncus roemerianus）以及黍形赞草（Zizaniopsis miliacea）；稀有种群则包括藨草属（Scirpus spp.）、黍属（Panicum spp.）与窄叶香蒲（Typha angustifolia）。本数据集依托GCE植物监测调查数据集PLT-GCEM-1112a构建，其异速生长关系所依据的GCE数据集包括PLT-GCEM-0211b、PLT-GCEM-0711及PLT-GCEM-2011。