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Integrated Environmental Assessment and Management

Virgile Baudrot, Philippe Veber, Guillaume Gence, Sandrine Charles
Mechanistic modelling approaches, as the toxicokinetic-toxicodynamic (TKTD) framework, are promoted by international institutions as EFSA and OECD to assess the environmental risk of chemical products generated by human activities. TKTD models can encompass a large set of mechanisms describing the kinetics of compounds inside organisms (e.g. uptake and elimination) and their effect at the level of individuals (e.g. damage accrual, recovery and death mechanism). Compared to classical dose-response models, TKTD approaches have many advantages as taking into account temporal aspects of exposure and toxicity, considering data-points all along the experiment and not only at the end, and making predictions for untested situations as realistic exposure scenarios...
May 20, 2018: Integrated Environmental Assessment and Management
Keith M Somers, Bruce W Kilgour, Kelly R Munkittrick, Tim J Arciszewski
Environmental effects monitoring (EEM) has been traditionally used to evaluate the effects of existing facilities discharging liquid effluents into natural receiving waters in Canada. EEM also has the potential to provide feedback to an ongoing project in an adaptive management context, and can inform the design of future projects. EEM, consequently, can and should also be used to test the predictions of effects related to new projects. Despite EEM's potential for widespread applicability, challenges related to the effective implementation of EEM include the use of appropriate study designs, as well as to the adoption of tiers for increasing or decreasing monitoring intensity...
May 16, 2018: Integrated Environmental Assessment and Management
Glenn Suter
Nations that develop water quality benchmark values have relied primarily on standard data and methods. However, experience with chemicals such as Se, ammonia, and tributyltin has shown that standard methods do not adequately address some taxa, modes of exposure and effects. Development of benchmark values that are protective requires an explicit description of the issues, a problem formulation. In particular, the assessment endpoints and other dimensions should be specified for each chemical so that the necessary data will be obtained and appropriate analyses will be performed...
May 14, 2018: Integrated Environmental Assessment and Management
J P Staveley, J W Green, J Nusz, D Edwards, K Henry, M Kern, A M Deines, R Brain, B Glenn, N Ehresman, T Kung, K Ralston-Hooper, F Kee, S McMaster
Inherent variability in Non-Target Terrestrial Plant (NTTP) testing of pesticides creates challenges for using and interpreting these data for risk assessment. Standardized NTTP testing protocols were initially designed to calculate the application rate causing a 25% effect (ER25, used in the U.S.) or a 50% effect (ER50, used in Europe) for various measures based on the observed dose-response. More recently, the requirement to generate a no-observed-effect rate (NOER), or, in the absence of a NOER, the rate causing a 5% effect (ER05), has raised questions about the inherent variability in, and statistical detectability of, these tests...
May 4, 2018: Integrated Environmental Assessment and Management
F H Tincani, M M Cestari
Over time ecotoxicology has become increasingly complex and more relevant to the decision-making of environment-related issues. However, with complexity and relevance comes responsibility. If on the one hand, the development of fine methodology and computing power are an ally against the rapidly changing environmental conditions, on the other it gives us the obligation to serve accurate results without generating too many false leads (Baker, 2016; Stewart 2018).This article is protected by copyright. All rights reserved...
April 30, 2018: Integrated Environmental Assessment and Management
Martin Vallon, Christian Dietzen, Silke Laucht, Jan-Dieter Ludwigs
An assessment of potential risks of pesticides on wildlife is required during the process of product registration within Europe, because of the importance of agricultural landscapes as wildlife habitats. Despite their peculiarity and their specific role as artificial wetlands, rice paddies are to date pooled with cereals in guidance documents on how to conduct risk assessments for birds and mammals in Europe. Hence, the focal species currently considered in risk assessments for rice paddies are those known from cereal fields and can therefore be expected to differ significantly from the species actually occurring in the wet environments of rice paddies...
April 25, 2018: Integrated Environmental Assessment and Management
Mohammad Gheibi, Mohsen Karrabi, Ali Mohammadi, Azin Dadvar
SOAR is a strategic planning framework that helps organizations focus on their current strengths and opportunities, and create a vision of future aspirations and the result they will bring. PESTLE is an analytical framework for understanding external influences on a business. This research paper describes a field study and interview of city hall managers from the city of Mashhad, Iran conducted to investigate the application of SOAR and PESTLE frameworks for managing Mashhad's air pollution. Strategies are prioritized by technique for order of preference by similarity to ideal solution (TOPSIS), Shannon entropy (SE), and analytic network process (ANP) multi-criteria decision-making (MCDM) methods considering economic conditions, managers' opinions, consensus, city council approvals and national documents...
April 16, 2018: Integrated Environmental Assessment and Management
Jeffrey M Giddings, David Campana, Shyam Nair, Richard Brain
The U.S. Environmental Protection Agency (USEPA) has historically utilized different methods to derive an aquatic level of concern (LoC) for atrazine, though all have generally relied on an expanding set of mesocosm and microcosm ("cosm") studies for calibration. The database of results from ecological effects studies with atrazine in cosms now includes 108 data points from 39 studies and forms the basis for assessing atrazine's potential to impact aquatic plant communities. Inclusion of the appropriate cosm studies and accurate interpretation of each data point - delineated as binary scores of "effect" (effect score 1) or "no effect" (effect score 0) of a specific atrazine exposure profile on plant communities in a single study - is critical to USEPA's approach to determining the LoC...
April 16, 2018: Integrated Environmental Assessment and Management
Dario Frascari, Giulio Zanaroli, Mohamed Abdel Motaleb, Giorgio Annen, Khaoula Belguith, Sara Borin, Redouane Choukr-Allah, Catherine Gibert, Atef Jaouani, Nicolas Kalogerakis, Fawzi Karajeh, Philippe A Ker Rault, Roula Khadra, Stathis Kyriacou, Wen-Tao Li, Bruno Molle, Marijn Mulder, Emmanuel Oertlé, Consuelo Varela Ortega
Mediterranean African Countries (MACs) face a major water crisis. The annual renewable water resources are close to the 500 m3 /capita threshold of absolute water scarcity, and water withdrawals exceed total renewable water resources by 30%. Such a low water availability curbs economic development in particular in the field of agriculture, that accounts for 86% of freshwater consumption. The analysis of the current situation of wastewater treatment, irrigation and water management in MACs and of the research projects targeted to these countries indicates the need for i) an enhanced capacity to analyze water stress, ii) the development of water management strategies capable to include wastewater reuse, and iii) development of locally-adapted water treatment and irrigation technologies...
March 30, 2018: Integrated Environmental Assessment and Management
Jörg Römbke, Jeannette Bernard, Fabrice Martin-Laurent
The lack of standardized methods to study soil organisms prevents comparisons across datasets and the development of new global and regional experiments and assessments. Moreover, standardized methods are needed to evaluate the impact of anthropogenic stressors such as chemicals on soil organism communities in the regulatory context. The goal of this contribution is to summarize current methodological approaches to measure structural and functional diversity of soil organisms, and to identify gaps and methodological improvements so as to cross datasets generated worldwide...
March 30, 2018: Integrated Environmental Assessment and Management
Tjalling Jager, Roman Ashauer
Environmental risk assessment (ERA) of chemicals relies on the combination of exposure and effects assessment. Exposure concentrations are commonly estimated using mechanistic fate models, but the effects side is restricted to descriptive statistical treatment of toxicity data. Mechanistic effect models are gaining interest in a regulatory context, which has also sparked discussions on model quality and good modeling practice. Proposals for good modeling practice of effect models currently focus very much on population and community models, whereas effects models also exist at the individual level, falling into the category of toxicokinetic-toxicodynamic (TKTD) models...
March 24, 2018: Integrated Environmental Assessment and Management
Sara Lovtang, Damon Delistraty, Elizabeth Rochette
We challenge the suggestion by Sample et al. (2015) that a depth of 305 cm (10 ft) exceeds the depth of biological activity in soils at the Hanford Site or similar sites. Instead, we support the standard point of compliance, identified in the Model Toxics Control Act in the state of Washington, which specifies a depth of 457 cm (15 ft) for the protection of both human and ecological receptors at the Hanford Site. Our position is based on additional information considered in our expanded review of the literature, the influence of a changing environment over time on plant community dynamics at the Hanford Site, as well as the inherent uncertainty in the Sample et al...
March 23, 2018: Integrated Environmental Assessment and Management
Katie L Hill, Roger L Breton, Gillian E Manning, R Scott Teed, Marie Capdevielle, Brian Slezak
Triclosan is an antibacterial and antifungal chemical used in a variety of consumer products, including soaps, detergents, moisturizers, and cosmetics. Aquatic ecosystems may be exposed to triclosan following the release of remaining residues in wastewater effluents and biosolids. In December 2017, Environment and Climate Change Canada (ECCC) released a federal environmental quality guideline (FEQG) report that contained a federal water quality guideline (FWQG) for triclosan. This guideline will be used as an adjunct to the risk assessment and risk management of priority chemicals identified under the Government of Canada's Chemicals Management Plan (CMP)...
March 12, 2018: Integrated Environmental Assessment and Management
Sarah M Elliott, Mark E Brigham, Richard L Kiesling, Heiko L Schoenfuss, Zachary G Jorgenson
The North American Great Lakes are a vital natural resource that provide fish and wildlife habitat, as well as drinking water and waste assimilation services for millions of people. Tributaries to the Great Lakes receive chemical inputs from various point and nonpoint sources, and thus are expected to have complex mixtures of chemicals. However, our understanding of the co-occurrence of specific chemicals in complex mixtures is limited. To better understand the occurrence of specific chemical mixtures in the US Great Lakes Basin, surface water from 24 US tributaries to the Laurentian Great Lakes was collected and analyzed for diverse suites of organic chemicals, primarily focused on chemicals of concern (e...
March 8, 2018: Integrated Environmental Assessment and Management
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May 2018: Integrated Environmental Assessment and Management
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May 2018: Integrated Environmental Assessment and Management
Jordan R Anderson, Dana L Winkelman
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May 2018: Integrated Environmental Assessment and Management
John Toll
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May 2018: Integrated Environmental Assessment and Management
Nancy W Shappell
No abstract text is available yet for this article.
May 2018: Integrated Environmental Assessment and Management
Wayne G Landis, David R Fox
No abstract text is available yet for this article.
May 2018: Integrated Environmental Assessment and Management
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