Cedar Creek Ecosystem Science Reserve site, station Old Field 35 at Cedar Creek, study of animal abundance of Melanoplus dawsoni in units of numberPer200Sweeps 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 animal abundance of Melanoplus dawsoni measurements in numberPer200Sweeps units
and were aggregated to a yearly timescale.

EcoTrends项目由Debra Peters博士（约拿盆地长期生态研究站，美国农业部农业研究服务局（United States Department of Agriculture Agricultural Research Service, USDA-ARS）约拿实验牧场）与Ariel Lugo博士（卢奎洛长期生态研究站，美国农业部林务局（United States Department of Agriculture Forest Service, USDA-FS）卢奎洛实验林）于2004年创立，旨在支撑长期生态数据集的收集与分析工作。该项目为大型综合研究计划，核心目标在于提升长期生态数据的可获取性与复用率。当前，共有约50个州级与联邦级资助的研究站点参与并向EcoTrends项目贡献数据，其中涵盖全部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（ARS）、美国农业部林务局（FS）、美国能源部、美国地质调查局（United States Geological Survey, USGS）及众多高校资助的研究站点。EcoTrends项目的数据集可通过探索性网络门户（http://www.ecotrends.info）获取。该门户依托交互式网页应用，支持用户持续开展数据汇编与数据获取工作。依托LTER溯源感知综合跟踪架构（Provenance Aware Synthesis Tracking Architecture, PASTA），项目组通过手动与自动结合的处理流程，对持续推进的数据汇编工作进行更新。该网络门户由约拿LTER站与LTER网络办公室联合开发运营。本项来自雪松溪生态科学保护区（Cedar Creek Ecosystem Science Reserve, CDR）的数据集，包含以每200次扫捕数量（numberPer200Sweeps）为单位的Melanoplus dawsoni种群丰度实测数据，并已聚合至年度时间尺度。