water ecology Articles

  • The political ecology of water commercialisation in Kenya

    Water is an essential commodity for human life. It is also a political and environmental good. The latter attribute makes it a suitable candidate for analysis in the context of political ecology. This is what this paper does for Kenya's transitory period of water reforms. This paper considers conceptual issues concerning political ecology before proceeding to the empirical analysis. At the ...


    By Inderscience Publishers

  • Ecological Water Quality - Water Treatment and Reuse

    This book attempts to cover various issues of water quality in the fields of Hydroecology and Hydrobiology and present various Water Treatment Technologies. Sustainable choices of water use that prevent water quality problems aiming at the protection of available water resources and the enhancement of the aquatic ecosystems should be our main target. ...


    By IWA Publishing

  • Ecological Quality Ratios for Ecological Quality Assessment in Inland and Marine Waters

    The REBECCA project focuses on establishing quantitative relationships between physicochemical and hydromorphological pressures and biological indicators. One of the major applications of such relationships is to support the establishment of WFD compliant assessment and classification methods. All EU Member States are required to establish such methods for the different biological quality ...


  • Effects of iron on ecological communities

    Mark and I have been working with the Iron industry to try to understand the effects of iron on aquatic ecosystems. We have been analysing extensive field monitoring data on the quality of invertebrate communities in rivers and relating this to the levels of different forms of iron (total, dissolved, or particulate) that are present. Invertebrate communities do appear to be adversely affected ...


    By WCA Environment Ltd.

  • Ecological Monitoring of Accidental Water Pollution - Operational Guide

    An important component of Cedre’s work involves designing operational guides which present the results of studies, of experimental work and experience feedback from accidents which have occurred. This guide is aimed at decision-makers liable to be involved in designing and implementing ecological monitoring programmes in the aftermath of an accidental water pollution ...


    By CEDRE

  • Hydraulic “Fracking”: Are surface water impacts an ecological concern?

    Use of high‐volume hydraulic fracturing (HVHF) in unconventional reservoirs to recover previously inaccessible oil and natural gas is rapidly expanding in North America and elsewhere. Although hydraulic fracturing has been practiced for decades, the advent of more technologically advanced horizontal drilling coupled with improved slickwater chemical formulations has allowed extensive natural ...


    By John Wiley & Sons, Ltd.

  • TEDx Woods Hole: Ecological Design and Water Reuse

    Water is the basis of all life, and our planet faces deepening challenges related to water purity and availability. Jonathan Todd will discuss advanced ecological design projects, including future directions of sustainable wastewater and water management. This will include harvesting the carbon and nutrients from wastewater and converting them to energy and new resources. He will evaluate the ...


    By IWA Publishing

  • Water renewal timescales in an ecological reconstructed lagoon in China

    To improve water quality and construct a landscape lagoon in China, an ecological reconstruction plan for the Qilihai Lagoon (Changli County, Hebei) is proposed. A three-dimensional numerical model (EFDC) was used to study the water renewal capacity in the reconstructed lagoon by using residence time, exposure time and connectivity as timescales. The influences of wind and the depth of the tidal ...


    By IWA Publishing

  • Emerging Issues in Human and Ecological Health

    Filling in the gaps between continued population growth and environmental sustainability leads inexorably to questions about supplies of clean fresh water and our ability to manage our ecological resources so they can be enjoyed at their highest uses. This article presents an introduction to the technical aspects of two emerging areas that will be significant to environmental practices in Georgia ...


    By ENVIRON

  • Foundemental of Modern Ecological Sanitation (EcoSan)

    Ecological Sanitation (also: EcoSan, Sustainable Sanitation, Alternative Sanitation) is a sanitation approach which aims at collecting the different waste streams separately at source and treating them individually with the objective of recovering valuable nutrients andreusing the clarified water. Ecological sanitation technologies are based on the following three fundamental aspects : ...


    By IWA Publishing

  • How Communities Are Reducing Ecological Footprints

    MUNICIPAL LEADERS from San Francisco to Melbourne are engaging in sustainability actions from banning plastic bags and bottled water to making commitments to address climate change. But within and beyond cities, growing numbers of local communities are also going green, according to a new Vital Signs Update from the Worldwatch Institute. Worldwide, the 379 “ecovillages” currently registered with ...


    By BioCycle Magazine

  • Ecological risk assessment of atrazine in North American surface waters

    The article “The ecological risk assessment of atrazine in North American surface waters” [1] is one of the few among the 100 most cited articles in Environmental Toxicology and Chemistry to specifically address risk and/or assessment of risk, and it was the first to use probabilistic approaches for a pesticide. As with all science, it was one of many steps in the refinement of procedures for ...


    By John Wiley & Sons, Ltd.

  • Ecological Conditioning and Optimisation of a Once-Through Cooling Water System

    For the coming decade, Dow Benelux will need antifouling treatment for its cooling water system. Hypochlorite dosing is still considered to be the best available technology (BAT). This is based on proven effectiveness, large experience, moderate costs, opportunities to further optimise the chlorination procedure, and by the fact that in earlier studies low-level ...


    By Sweco Nederland BV

  • Identifying the key water levels in reservoir operation on ecological objectives

    This paper investigates the influences of reservoir water level variations of the operation rule curves on different objectives, especially on ecological objectives. Five representative ecological objectives are selected besides industrial and domestic (I&D) and agricultural water supply objectives. They can reflect the impacts of reservoir operation on different attributes of ecological ...


    By IWA Publishing

  • Traditional water rights, ecology and the public trust doctrine in Hawaii

    This case study discusses the implications of imposing the doctrine of public trust to ground and surface waters within the State of Hawaii and its effects on traditional rights that had previously evolved based on common law. It traces the major events of the history of water rights and practices beginning with the system devised by the indigenous Hawaiian people prior to the adoption of the ...


    By IWA Publishing

  • Impact of the Three Gorges reservoir operation on downstream ecological water requirements

    With population increase and economic growth, the flow regime of the Yangtze River has been altered to some extent by human activities, particularly dam construction. Dam-induced alterations in the flow regime of the Yangtze River will unavoidably influence water allocation among different water users and instream ecological water requirements may not be guaranteed during some months, ...


    By IWA Publishing

  • Ecological ambitions and complications in the regional implementation of the Water Framework Directive in the Netherlands

    The Water Framework Directive has introduced a new governance approach that offers implementing agencies in EU Member States policy discretion to implement ecological ambitions. The aim of this paper was to gain insight into the way regional actors use this discretion and into the rationale behind their behaviour. Our research revealed that in regional implementation processes in the Netherlands, ...


    By IWA Publishing

  • Indicators And Methods For The Ecological Status Assessment Under The Water Framework Directive

    The Water Framework Directive (WFD; 2000/60/EC) creates a new legislative framework to manage, use, protect, and restore surface water and groundwater resources within river basins and transitional (Iagoons and estuaries) and coastal waters in the European Union. The WFD aims to achieve sustainable management ofwater resources, to reach good ecological qualityand preventfurtherdeterioration of ...


  • Priorities to improve the ecological risk assessment and management for pesticides in surface water

    This paper deals with prospective and retrospective ecological risk assessment (ERA) procedures for pesticides in surface waters as performed under European legislation (Regulation 1107/2009/EC; Directive 2009/128/EC; Directive 2000/60/EC). Priorities to improve the aquatic risk assessment and management of pesticides are discussed on basis of the following five theses: The management of the ...


    By John Wiley & Sons, Ltd.

  • A holistic approach for evaluating ecological water allocation in the Yellow River basin of China

    The characteristics and sustainable management of water resources on a basin scale require that they should be managed using a holistic approach. In this study, a holistic methodology called the holistic approach in a basin scale (HABS) is proposed to determine the ecological water requirements of a whole basin. There are three principles in HABS. First, ecological water requirements in a basin ...


    By Springer

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