North Temperate Lakes site, station Trout Lake, study of animal abundance of Moxostoma anisurum in units of numberPerEffort 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 North Temperate Lakes (NTL)
contains animal abundance of Moxostoma anisurum measurements in numberPerEffort 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（LTER），美国农业部农业研究服务局（ARS）乔纳达实验牧场）与Ariel Lugo博士（卢基略长期生态研究站（LTER），美国农业部林务局卢基略实验森林）于2004年创立，旨在支撑长期生态数据集的采集与分析工作。
本项目为大型综合研究计划，核心聚焦于提升长期生态数据的可访问性与应用价值。目前共有约50个由州级与联邦政府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，以及美国农业部农业研究服务局（Agricultural Research Service, ARS）、美国农业部林务局、美国能源部、美国地质调查局（United States Geological Survey, USGS）资助的站点，另有众多高校参与其中。
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络应用程序，为用户提供持续的数据汇编与数据访问服务。
作为LTER溯源感知综合跟踪架构（Provenance Aware Synthesis Tracking Architecture, PASTA）的组成部分，持续开展的数据汇编工作通过人工与自动两种处理流程完成更新。
本网络门户由乔纳达LTER站与LTER网络办公室联合开发。
本次来自北温带湖泊（North Temperate Lakes, NTL）的数据集包含Moxostoma anisurum的种群丰度数据，其计量单位为单位采样努力量个体数（numberPerEffort），且已按年尺度完成聚合。