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  • Center for Embedded Network Sensing (UCLA) (879)

    CENS, a NSF Science & Technology Center, is developing Embedded Networked Sensing Systems and applying this revolutionary technology to critical scientific and social applications. Like the Internet, these large-scale, distributed, systems, composed of smart sensors and actuators embedded in the physical world, will eventually infuse the entire world, but at a physical level instead of virtual. ENS systems will form a critical infrastructure resource for society--they will monitor and collect information on such diverse subjects as plankton colonies, endangered species, soil & air contaminants, medical patients, and buildings, bridges and other man-made structures. Across this wide range of applications, Embedded Networked Sensing systems promise to reveal previously unobservable phenomena. The researchers in CENS are investigating fundamental properties of Embedded Networked Systems, developing new enabling technologies, and exploring novel scientific and educational applications. (5/21/2005)

  • DARES: Diatom Assessment of River Ecological Status (843)

    The objective of DARES is to develop a statistically-robust monitoring tool to enable the Environment Agency, Scottish Environmental Protection Agency and Environment and Heritage Service (Northern Ireland) to assess ecological status of rivers using benthic diatoms. The work falls into two broad stages: the compilation of a comprehensive database of diatom counts and associated chemical information, and the analysis of these data to develop a predictive tool. (4/30/2004)

  • Stream Periphyton Monitoring Manual (1092)

    This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand. In addition to describing these methods, the manual includes an identification guide to common periphyton in New Zealand streams and rivers and a field identification chart. The monitoring manual is a companion to the earlier publication, New Zealand Periphyton Guideline: Detecting, Monitoring and Managing Enrichment of Streams, which is available from the MfE website. Prepared for the New Zealand Ministry for the Environment by B.J.F. Biggs and C. Kilroy (2000). The site provides access to downloadable PDF files of sections and the entire manual. (8/12/2003)

  • Revised algal/invertebrate/fish sampling protocols (National Water-Quality Assessment Program) (1023)

    Algal, invertebrate, and fish communities are characterized as part of ecological studies in the U.S. Geological Survey.s National Water-Quality Assessment Program. Information from these ecological studies, together with chemical and physical data, provide an integrated assessment of water quality at local, regional, and national scales. Analysis and interpretation of water-quality data at these various geographic scales require accurate and consistent application of sampling protocols and sample-processing procedures. This report revises and unifies into a single document the algal, invertebrate, and fish community sampling protocols used in the National Water-Quality Assessment Program. (3/20/2003)

  • Power Analysis of Monitoring Programs: designing effective surveys (1149)

    Inherent to any monitoring program is variation in the numbers of plants and animals counted. If the noise from this extraneous variation is high enough and we have too few counts, then the program may fail to detect important underlying population trends in the sample population which, after all, is the goal of the monitoring program. This site is a an online guide to statistical power analysis that includes an introduction to power analysis and its implementation as well as links to additional resources, such as software [PC/Win] and a bibliography. (2/28/2003)

  • Processing, taxonomy, and quality control of benthic macroinvertebrate samples (1370)

    Moulton, S.R., II, Carter, J.L., Grotheer, S.A., Cuffney, T.F., and Short, T.M. Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-- Processing, taxonomy, and quality control of benthic macroinvertebrate samples: U.S. Geological Survey Open-File Report 00-212, 49 p. Available as .pdf document. (6/8/2001)

  • NCSE Recommendations: Improving Scientific Basis for Environmental Decisions (823)

    The National Council for Science and the Environment presented this report at the first National Conference on Science, Policy, and the Environment held during December 2000. Contents of the report include recommendations on maintenance of biodiversity and ecosystem health, human health, sustainable resources, and development of educational programs and information systems. (5/10/2001)

  • A Sampler for Quantifying the Vertical Distribution of Macroinvertebrates in Shallow Wetlands (1070)

    A sampler for quantifying the vertical distribution of aquatic macroinvertebrates in wetlands is described. It simultaneously collects benthic and pelagic invertebrates and partitions these into separate vertical profiles to facilitate studies of distribution patterns. Online version of:Mackay, Jeffrey, and Ned H. Euliss, Jr. 1993. A sampler for quantifying the vertical distribution of macroinvertebrates in shallow wetlands. California Fish and Game 79(3):126-130. From USGS-Northern Prairie Wildlife Research Center. (5/10/2001)

  • Potential Priority Watersheds: Protection of Water Quality from Contamination by Manure Nutrients (1086)

    The purpose of this paper is to identify those priority watersheds at the national level. The production of manure nutrients has been estimated previously for each county by Kellogg, Lander, Mofitt, and Gollehon (2000). However, nutrient loadings are not sufficient for estimating priority watersheds. The potential for manure nutrients to contaminate ground and surface water would be expected to be greatest not only where the manure application rates are high but also where environmental factors such as rainfall, leaching potential of the soil, runoff potential of the soil, and soil erosion rates are conducive to the loss of manure nutrients from the fields. Vulnerability indexes are derived in this paper from manure loading rates and environmental factors to identify areas of the country that are potentially most at risk. (5/10/2001)

  • Ecological Indicators for the Nation (883)

    Available for online viewing through the National Academy Press' Open Book program, this book identifies ecological indicators that can support U.S. policymaking and also be adapted to decisions at the regional and local levels. The committee describes indicators of land cover and productivity, species diversity, and other key ecological processes--explaining why each indicator is useful, what models support the indicator, what the measured values will mean, how the relevant data are gathered, how data collection might be improved, and what effects emerging technologies are likely to have on the measurements. Written by the National Research Council, Committee to Evaluate Indicators for Monitoring Aquatic and Terrestrial Environments. (4/26/2001)

  • Definition of Fisheries Technical Terms (944)

    Definitions of fisheries technical terms from NOAA's Northeast Fisheries Science Center. (3/29/2001)

  • USGS National Water Quality Lab - NWQL Reports (935)

    Index of primarily methods and procedure reports. Many have links to online versions (as .pdf or html) (10/13/2000)

What's New
  • Making Waves Podcast Episode 26: Carbon Fates, Dr. Erin Hotchkiss more
  • Fall 2017 Issue of In the Drift now available! more
  • September 2017 Issue of Freshwater Science now online more
  • Does Cultural Diversity Matter to Scientific Societies? Read the President's Environment more
  • SFS Student Presentation Awards! more
  • In the drift just fell into your sampler! The Spring 2015 Newsletter is here! more
  • Making Waves Podcast Episode 14: Nitrogen Fixation in a Warming World, Dr. Jill Welter more
  • The deadline to submit proposals for AQUATROP Special Sessions or Symposiums is now November 17, 2017

  • SFS joins CASS in condemning silencing of EPA scientists

  • Andy Leidolf appointed as SFS Executive Director



    Over 60 logos were submitted by 28 individuals and narrowed to 3 finalists. Now is your chance to select the winner.

  • SFS signs two letters sent to the US EPA regarding the Trump Administration's proposed revisions to the Waters of the US rule


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