Georgia Coastal Ecosystems site, station Zone 1, Creek Bank, study of animal density of Polymesoda caroliniana in units of numberPerMeterSquared 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 Georgia Coastal Ecosystems (GCE)
contains animal density of Polymesoda caroliniana measurements in numberPerMeterSquared units
and were aggregated to a yearly timescale.

EcoTrends项目于2004年由黛布拉·彼得斯博士（约纳达盆地长期生态研究站，Jornada Basin LTER，美国农业部农业研究局约纳达实验牧场，USDA-ARS Jornada Experimental Range）与阿里尔·卢戈博士（卢基略长期生态研究站，Luquillo LTER，美国农业部林务局卢基略实验森林，USDA-FS Luquillo Experimental Forest）创立，旨在支撑长期生态数据集的采集与分析工作。本项目属于大型综合研究计划，核心目标为提升长期生态数据的可获取性与应用效能。目前，共有约50个州级与联邦资助的研究站点参与并为本项目贡献数据，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局（ARS）、美国农业部林务局、美国能源部、美国地质调查局（USGS）和众多高校资助的研究站点。EcoTrends项目的数据可通过探索性网络门户（http://www.ecotrends.info）获取。该门户依托交互式Web应用程序，可实现数据的持续汇编，并为用户提供便捷的数据访问渠道。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，正在推进的数据汇编工作通过人工与自动两种处理方式完成更新。本网络门户由约纳达长期生态研究站（Jornada LTER）与长期生态研究网络办公室联合开发。以下来自佐治亚海岸生态系统（Georgia Coastal Ecosystems, GCE）的数据集，包含以每平方米数量（numberPerMeterSquared）为单位的卡罗来纳厚壳蛤（Polymesoda caroliniana）动物密度测量数据，且所有数据均已聚合至年度时间尺度。