Cedar Creek Ecosystem Science Reserve site, station Old Field 70 at Cedar Creek, study of plant biomass of Cyperus schweinitzii in units of gramsPerSquareMeter on a yearly timescale

The EcoTrends project was established in 2004 by Dr. Debra Peters
(Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and
Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)
to support the collection and analysis of long-term ecological datasets.
The project is a large synthesis effort focused on improving the accessibility
and use of long-term data. At present, there are ~50 state and federally funded
research sites that are participating and contributing to the EcoTrends project,
including all 26 Long-Term Ecological Research (LTER) sites and sites funded by
the USDA Agriculture Research Service (ARS), USDA Forest Service,
US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal
(http://www.ecotrends.info). This web portal enables the continuation of data
compilation and accessibility by users through an interactive web application.
Ongoing data compilation is updated through both manual and automatic
processing as part of the LTER Provenance Aware Synthesis Tracking
Architecture (PASTA). The web portal is a collaboration between the Jornada LTER
and the LTER Network Office. The following dataset from Cedar Creek Ecosystem Science Reserve (CDR)
contains plant biomass of Cyperus schweinitzii measurements in gramsPerSquareMeter units
and were aggregated to a yearly timescale.

EcoTrends项目由Debra Peters博士（乔纳达盆地长期生态研究站［Jornada Basin LTER］，美国农业部农业研究服务局乔纳达实验牧场）与Ariel Lugo博士（卢奎洛长期生态研究站［Luquillo LTER］，美国农业部林务局卢奎洛实验林）于2004年创立，旨在支持长期生态数据集的采集与分析工作。该项目是一项大型综合研究计划，致力于提升长期生态数据的可获取性与利用效率。目前，约有50个州级及联邦资助的研究站点参与并为EcoTrends项目贡献数据，其中包括全部26个长期生态研究（Long-Term Ecological Research, LTER）站点，以及由美国农业部农业研究服务局（USDA Agriculture Research Service, ARS）、美国农业部林务局、美国能源部、美国地质调查局（US Geological Survey, USGS）及众多高校资助的站点。EcoTrends项目的数据可通过探索性网络门户（http://www.ecotrends.info）获取。该门户通过交互式Web应用程序，为用户提供持续的数据整合与可访问服务。作为长期生态研究溯源感知综合跟踪架构（LTER Provenance Aware Synthesis Tracking Architecture, PASTA）的组成部分，持续推进的数据整合工作通过手动与自动两种处理方式完成更新。该网络门户由乔纳达LTER与LTER网络办公室合作开发。来自塞达克里克生态系统科学保护区（Cedar Creek Ecosystem Science Reserve, CDR）的如下数据集包含以克每平方米为单位的旋鳞莎草（Cyperus schweinitzii）生物量测量数据，且已按年尺度进行聚合。