Acquisition of Instrumentation for the Institute of Ecosystem Studies' Central Analytical Laboratory

[0216161]美国生态系统研究所（IES）的Kathleen C. Weathers博士获得了一项资助，通过更换大量使用和过时的仪器来升级IES的中央分析实验室。它们的制造商已经或即将停止为这些仪器提供替换零件或支持。仪器包括碳氮硫分析仪、连续流分析仪和电感耦合等离子体光谱仪。所有这些仪器都是为IES的核心生态研究项目生成数据的关键，并且都被学生使用。许多个人研究项目将通过使用这些工具得到支持。例如，这些仪器将用于生成以下数据：1)IES的两个长期生态研究（LTER）站点（哈伯德布鲁克和巴尔的摩）的基线化学，这两个站点是NSF LTER网络的组成部分。巴尔的摩生态系统研究是这个由近25个站点组成的网络中仅有的两个“城市”项目之一；2)哈德逊河研究小组，他们研究了哈德逊河功能的许多方面，包括入侵的双壳类动物斑马贻贝对哈德逊生态系统的影响；3)一个测试全球假设的项目，即蚯蚓入侵北温带森林将对这些生态系统的营养保留和吸收产生重大影响；4)研究昆虫采伐后森林生态系统氮素的流失及氮素有效性在控制流失中的作用；5)调查山毛榉树皮病入侵对卡茨基尔山生态系统功能影响的项目（卡茨基尔山的溪流是纽约市的饮用水来源）；6)以及IES环境监测计划，该计划在哈德逊河谷800公顷的受保护地点产生了降水化学，空气质量，气象，干湿沉积，森林生长，森林养分循环和溪流化学的极有价值的记录。IES分析实验室是一个共享的资源：平均80%的科学人员和大量的研究生，博士后助理，REU学生，合作者和访客使用其设施来分析生态样本，从降水和贯穿到土壤和咸水。IES分析实验室目前每年对主要无机和有机离子进行50,000到60,000次分析，包括对33个（目前资助的）国家科学基金会（NSF）资助项目中的许多项目进行样品分析。这些项目包括来自IES的pi，以及IES以外的合作者，他们的隶属关系各不相同，包括来自世界各国的同事。此外，美国国家卫生研究院、美国农业部、环境保护局、安德鲁·w·梅隆基金会、玛丽·弗拉格勒·卡里慈善信托基金、哈德逊河基金会等资助的项目也是IES分析实验室的主要分析设施。广泛的博士后、研究生、本科生（通过NSF本科生研究经验资助）学生的研究也在这个实验室完成。

Abstract0216161Weathers, Kathleen C.A grant has been awarded to Dr. Kathleen C. Weathers of the Institute of Ecosystem Studies (IES) to upgrade IES's central Analytical Laboratory through the replacement of instruments that are both used heavily and outdated. Their manufacturers either have, or will soon cease to provide replacement parts or support for these instruments. The instruments are a carbon-nitrogen-sulfur analyzer, a continuous flow analyzer, and an inductively coupled plasma spectrometer. All of these instruments are critical for generating data for core ecological research programs at IES, and all are used by students. Many individual research projects will be supported through the use of these instruments. For example, the instruments will be used to generate data: 1) on the baseline chemistry for both of IES's Long-Term Ecological Research (LTER) sites (Hubbard Brook and Baltimore), which are components of the NSF's LTER network. The Baltimore Ecosystem Study is one of only two "urban" projects in this network of nearly 25 sites; 2) for the Hudson River research group, who investigate many aspects of the function of the River, including the effect of an invading bivalve, the zebra mussel, on the Hudson ecosystem; 3) for a project testing the global hypothesis that earthworm invasion of north temperate forests will have large consequences for nutrient retention and uptake in these ecosystems; 4) for research on the loss of nitrogen (N) from forest ecosystems after insect defoliation and the role of N availability in controlling that loss; 5) for a project investigating the effect of beech bark disease invasion on the functioning of the Catskill Mountain ecosystem (whose streams are the source of drinking water for New York City); 6) and for the IES Environmental Monitoring Program, which has generated an extremely valuable record of precipitation chemistry, air quality, meteorology, wet and dry deposition, forest growth, forest nutrient cycling, and stream chemistry at a protected 800 ha location in the Hudson Valley.The IES Analytical Laboratory is a shared resource: on average 80% of its scientific staff and a large number of graduate students, postdoctoral associates, REU students, collaborators and visitors use its facilities for analysis of ecological samples, ranging from precipitation and throughfall to soils and saline waters. The IES Analytical Laboratory currently performs between 50,000 and 60,000 analyses a year for major inorganic and organic ions, including sample analysis for many of the 33 (currently funded) National Science Foundation (NSF)-sponsored projects. These projects include PIs from IES, as well as collaborators outside of IES whose affiliations vary widely and include colleagues from countries throughout the world. In addition, the IES Analytical Laboratory serves as the primary analytical facility for projects funded by the National Institutes of Health, the US Department of Agriculture, the Environmental Protection Agency, the Andrew W. Mellon Foundation, the Mary Flagler Cary Charitable Trust, the Hudson River Foundation, and others. Extensive postdoctoral, graduate, undergraduate (through an NSF Research Experiences for Undergraduates grant) student research is also done in this laboratory.