zooplankton monitoring Articles

  • Heterogeneity of water quality in Huai River, China by using bio-monitoring data

    A new approach by combining bioindicators (BiI) and biotic indices (BIs) for evaluating water quality is presented in this paper. It is then applied to the Huai River Basin (HRB), China, which is well-known globally for its heavy anthropogenic influences. Results indicate that the spatial distribution of BI-indicated water quality has roughly the same pattern as that shown by BiI, but the ...


    By IWA Publishing

  • Ocean carbon: A dent in the iron hypothesis

    Oceanographers Jim Bishop and Todd Wood of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have measured the fate of carbon particles originating in plankton blooms in the Southern Ocean, using data that deep-diving Carbon Explorer floats collected around the clock for well over a year. Their study reveals that most of the carbon from lush plankton blooms never reaches the ...

  • Toxicity Evaluation of Wastewater Treatment Plant Effluents Using Daphnia magna

    Abstract Toxicity evaluation is an important parameter in wastewater quality monitoring as it provides the complete response of test organisms to all compounds in wastewater. The water flea Daphnia magna straus is the most commonly used zooplankton in toxicological tests. The objective of this study was to evaluate the acute toxicity of effluents from different units of Isfahan Wastewater ...

  • Bioaccumulation of petroleum hydrocarbons in arctic amphipods in the oil development area of the Alaskan Beaufort Sea

    An objective of a multiyear monitoring program, sponsored by the US Department of the Interior, Bureau of Ocean Energy Management was to examine temporal and spatial changes in chemical and biological characteristics of the Arctic marine environment resulting from offshore oil exploration and development activities in the development area of the Alaskan Beaufort Sea. To determine if petroleum ...


    By John Wiley & Sons, Ltd.

  • Microbial water quality of recreational lakes near Tbilisi, Georgia

    Microbial safety of recreational water is one of the major human public health issues in developing countries. Three water bodies, the Tbilisi Sea, Kumisi and Lisi lakes, in the South Caucasus region near Tbilisi, Georgia, were monitored in 2006–2009 to determine microbiological quality using standard methods. Microbial pollution indicators were determined in parallel with phytoplankton ...


    By IWA Publishing

  • Contaminant driven genetic erosion: A case study with Daphnia longispina

    Natural populations exposed to pollutants are predicted to experience a loss of genetic diversity, especially through genetic drift, gene flow (emigration), and/or selection (as sensitive genotypes may be lost). In the present study, the authors discuss the use of selectable markers and neutral markers to evaluate a contaminant‐driven loss of genetic diversity and possible implications of genetic ...


    By John Wiley & Sons, Ltd.

  • Modeling the potential effects of atrazine on aquatic communities in midwestern streams

    The comprehensive aquatic systems model for atrazine (CASMATZ) estimates the potential toxic effects of atrazine on populations of aquatic plants and consumers in a generic lower‐order midwestern stream. The CASMATZ simulates the daily production of 20 periphyton and 6 aquatic vascular plant species. The modeled consumer community consists of 17 functionally defined species of zooplankton, ...


    By John Wiley & Sons, Ltd.

  • Integrated Modeling of Fate and Effects of Persistent Organic Pollutants in Marine Ecosystems

    Contaminants reach surface waters through different pathways, ranging from atmospheric deposition, infiltration in the soil during heavy rainfalls and migration with the groundwater or transport in particulate and dissolved phase in rivers. Domestic and industrial sewage water represents a major global source of pollution for surface water. Furthermore, agricultural activities may be associated ...


  • Valuing Plastic – The Case for Business Action

    Concern is growing over the threat that widespread plastic waste poses to marine life, with conservative estimates of the overall financial damage of plastics to marine ecosystems standing at US$13 billion each year, according to two reports released last week at the first United Nations Environment Assembly. The eleventh edition of the United Nations Environment Programme (UNEP) Year Book looks ...


    By GLOBE Foundation

  • Cyanide Spill at Baia Mare - Assessment Mission Report UNEP/OCHA

    Introduction On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea. A team of international ...

  • SolarBee Technical Bulletin

    A. SOLARBEE OVERVIEW 1. Origin of the SolarBee. Pump Systems, Inc. (PSI) developed, built and installed its first solar powered mixer in Dickinson, ND, in the summer of 1998. It was installed into a 30 acre x 13 foot deep municipal wastewater reservoir which had a long history of toxicity associated with ammonia, odor, and stratification problems. In six weeks the entire reservoir cleared up to ...


    By Medora Corporation

  • Non-Ionising Radiation

    Pressures on the environment may occur through chemical, physical and biological agents. The subject of this study is physical agents, where physical fields are examined. Physical fields are part of the natural environment. Depending upon their properties and the surrounding conditions, physical fields are transmitted through the spaces in which we live, potentially affecting human health and ...

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