Data associated with the FLooded Upland Dynamics EXperiment (FLUDEX), conducted at the IISD Experimental Lakes Area 1997 to 2003, investigating reservoir flooding impacts on ecosystems, particularly the release of mercury and greenhouse gases.

The data included in this repository were collected over the course of the FLooded Upland Dynamics Experiment (FLUDEX) conducted at the IISD Experimental Lakes Area (IISD-ELA) from 1997 to 2003. A plethora of data was collected over five years of flooding three upland reservoir sites, in order to examine the relationship between the amount of flooded, and thus decomposed, terrestrial organic matter and the production of methylmercury (MeHg), total mercury (THg), and greenhouse gases (GHGs) in the reservoirs. Findings from this experiment suggest that the amount of organic carbon stored in a flooded site does not directly influence the amount of THg, MeHg, and GHGs produced, but it does affect the persistence of mercury in the reservoir and food web. This version of the repository contains data collected on water chemistry, benthic invertebrate (chironomid) emergence, mercury and methylmercury concentrations in the water and food web, stable isotopes of carbon and nitrogen in emerging insects and zooplankton, and abundance and biomass of zooplankton, phytoplankton, and bacteria. This data package contains only some of the data from the FLUDEX project. IISD-ELA hopes to add more data in subsequent versions.

本仓库收录的数据采集自1997年至2003年于国际可持续发展研究所实验湖区（IISD Experimental Lakes Area, IISD-ELA）开展的洪水高地动力学实验（FLooded Upland Dynamics Experiment, FLUDEX）。为探究被淹没并分解的陆地有机质储量与水库中甲基汞（methylmercury, MeHg）、总汞（total mercury, THg）及温室气体（greenhouse gases, GHGs）生成量之间的关联，研究团队在针对三处高地水库库区开展的五年淹没实验中，采集了海量观测数据。本实验结果显示，库区淹没位点储存的有机碳储量并不会直接影响总汞、甲基汞与温室气体的生成量，但会显著影响汞在水库及食物网中的滞留持久性。本版本仓库收录的数据涵盖：水体化学特征、底栖无脊椎动物（chironomid，摇蚊）的羽化动态、水体与食物网中的汞及甲基汞浓度、羽化昆虫与浮游动物体内的碳氮稳定同位素比值，以及浮游动物、浮游植物与细菌的丰度和生物量。本数据包仅收录FLUDEX项目的部分数据，IISD-ELA计划在后续版本中补充更多数据集。