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Integrated Environmental Assessment and Management

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https://www.readbyqxmd.com/read/30375166/using-spatial-and-temporal-variability-data-to-optimize-sediment-toxicity-identification-evaluation-tie-study-designs
#1
Darrin J Greenstein, Ashley N Parks, Steven M Bay
Toxicity tests are an important aspect of sediment quality assessments, but knowledge of the cause of toxicity is needed to determine effective management actions. Toxicity Identification Evaluation (TIE) methods were developed to meet this need. While TIE methods manuals provide information on the procedures, little information on study design is presented. The level of variability associated with performing TIEs and how to account for it is also not addressed. The goal of this study was to collect data on both the spatial and temporal variability associated with sediment TIEs using the amphipod Eohaustorius estuarius 10-day survival test and then apply that information to make recommendations for designing future TIE studies...
October 29, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30298984/practical-advice-for-selecting-or-determining-trophic-magnification-factors-for-application-under-the-european-union-water-framework-directive
#2
Karen A Kidd, Lawrence P Burkhard, Marc Babut, Katrine Borgå, Derek Cg Muir, Olivier Perceval, Heinz Ruedel, Kent Woodburn, Michelle R Embry
European Union Directive 2013/39/EU, which amended and updated the Water Framework Directive (WFD; 2000/60/EC) and its Daughter Directive (2008/105/EC), sets Environmental Quality Standards for biota (EQSbiota ) for a number of bioaccumulative chemicals. These chemicals pose a threat to both aquatic wildlife and human health via the consumption of contaminated prey or the intake of contaminated food originating from the aquatic environment. EU Member States will need to establish programs to monitor the concentration of 11 priority substances in biota, and assess compliance against these new standards for the classification of surface water bodies...
October 9, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30259671/using-voluntary-agreements-to-exclude-stock-from-waterways-an-evaluation-of-project-success-and-persistence
#3
Harriet Elizabeth Moore, Ian D Rutherfurd
Agriculture is one of the major drivers of ecological degradation in river basins. Excluding stock (cows and sheep) from grazing riverbanks, and accessing rivers, is one of the most common river restoration activities. To be effective, stock exclusion must be maintained indefinitely. In Australia, and elsewhere, stock exclusion projects are most commonly implemented by establishing voluntary agreements between landholders and government agencies. This study examined: the extent to which landholders in three catchment management authority (CMA) regions in south east Australia maintain stock exclusion from waterways, whether vegetation on riverbanks recovered, and the effectiveness of assessment methods...
September 26, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30246394/evaluating-the-ecosystem-services-and-benefits-of-wetland-restoration-using-the-rapid-benefit-indicators-approach
#4
Marisa Mazzotta, Justin Bousquin, Walter Berry, Claudette Ojo, Rick McKinney, Kristen Hyckha, Caroline Gottschalk Druschke
Wetlands in urban and urbanizing areas are often smaller, more degraded, and subject to more stressors than those in undeveloped locations. Their restored level of functioning may never equal that of a site in an undisturbed landscape. Yet, the social benefits from restoring these wetlands may be significant, because of the relative scarcity of wetlands and natural areas in urban settings and because of the large number of people who may benefit. In this study, we have outlined a systematic approach to compiling non-monetary indicators of wetlands restoration benefits: The Rapid Benefit Indicators (RBI) Approach...
September 23, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30242966/modelling-pharmaceutical-emissions-and-their-toxicity-related-impacts-in-life-cycle-assessment-lca-a-review
#5
REVIEW
Yasmine Emara, Annekatrin Lehmann, Marc-William Siegert, Matthias Finkbeiner
Over the last few decades, worldwide detection of active pharmaceutical ingredients (APIs) in aquatic environments and the associated toxicological effects on wildlife and human health have become a matter of public and scientific debate. While life cycle assessment (LCA) and life cycle impact assessment (LCIA) models are increasingly used to assess the potential eco- and human-toxicological impacts of chemical emissions, few studies have looked into the issue of modelling pharmaceutical emissions specifically and their toxicity-related effects in an LCA-context...
September 22, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30207049/integrating-laboratory-and-field-studies-to-assess-impacts-of-discharge-from-a-uranium-mine-and-validate-a-water-quality-guideline-value-for-magnesium
#6
Melanie A Trenfield, Andrew J Harford, Thomas Mooney, Mark Ellis, Chris Humphrey, Rick A van Dam
Magnesium (Mg) is a primary contaminant in mine water discharges from the Ranger Uranium Mine (north Australia). Site-specific water quality guideline values (WQGVs) for Mg have been derived from laboratory and field studies. Contaminated groundwater with elevated electrical conductivity and metals (Mg, Mn, U, SO4 , and Ca) was detected flowing from the mine site into adjacent surface waters. This provided an opportunity to investigate the protectiveness of the Mg WQGV by conducting an integrated laboratory and field study...
September 12, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30144268/risk-based-approach-in-the-revised-eu-drinking-water-legislation-opportunities-for-bioanalytical-tools
#7
Milou M L Dingemans, Kirsten A Baken, Ron van der Oost, Merijn Schriks, Annemarie P van Wezel
A plethora of in vitro bioassays is developed in the context of chemical risk assessment and clinical diagnostics to test effects on different biological processes. Such assays can also be implemented in effect-based monitoring (EBM) of (drinking) water quality in parallel to chemical analyses. EBM can provide insight in the risks for environmental and human health associated with exposure to (unknown) complex low-level mixtures of micropollutants, which fits in the risk-based approach that was recently introduced in the European Drinking Water Directive...
August 24, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30136757/assessment-of-chronic-low-dose-elemental-and-radiological-exposures-to-biota-at-the-kanab-north-uranium-mine-site-in-the-grand-canyon-watershed
#8
Danielle Cleveland, Jo Ellen Hinck, Julia S Lankton
High grade uranium ore (U) deposits are in various stages of exploitation across the Grand Canyon watershed, yet the impacts of U mining on ecological and cultural resources are largely unknown. We characterized the concentrations of aluminum (Al), arsenic (As), bismuth (Bi), cadmium (Cd), cobalt (Co), copper (Cu), iron (Fe), lead (Pb), mercury (Hg), molybdenum (Mo), nickel (Ni), selenium (Se), silver (Ag), thallium (Tl), thorium (Th), U, and zinc (Zn), gross alpha and beta activities, and U and Th radioisotopes in soil, vegetation (Hesperostipa comata, Artemisia tridentata, Tamarix chinensis), and rodents (Peromyscus maniculatus, P...
August 23, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30318726/considering-the-values-stakeholders-wish-to-sustain-in-decision-making
#9
EDITORIAL
Sabine E Apitz
No abstract text is available yet for this article.
November 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30117284/advancing-alternatives-assessment-for-safer-chemical-substitution-a-research-and-practice-agenda
#10
Joel Tickner, Molly Jacobs, Tim Malloy, Topher Buck, Alex Stone, Ann Blake, Sally Edwards
Alternatives assessment has emerged as a science policy field that supports the evaluation and adoption of safer chemistries in manufacturing processes and consumer products. The recent surge in the development and practice of alternatives assessment has revealed notable methodological challenges. Spurred by this need, we convened an informal community of practice comprising industry experts, academics, and scientists within government and nongovernmental organizations to prioritize a research and practice agenda for the next 5 years that, if implemented, would significantly advance the field of alternatives assessment...
August 17, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30117283/using-bayesian-networks-to-predict-risk-to-estuary-water-quality-and-patterns-of-benthic-environmental-dna-in-queensland
#11
Scarlett E Graham, Anthony A Chariton, Wayne G Landis
Predictive modeling can inform natural resource management by representing stressor-response pathways in a logical way and quantifying the effects on selected endpoints. This study demonstrates a risk assessment model using the Bayesian network relative risk model (BN-RRM) approach to predict water quality and, for the first time, eukaryote environmental DNA (eDNA) data as a measure of benthic community structure. Environmental DNA sampling is a technique for biodiversity measurements that involves extracting DNA from environmental samples, amplicon sequencing a targeted gene, in this case the 18s rDNA gene (which targets eukaryotes), and matching the sequences to organisms...
August 17, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30117277/short-term-to-long-term-extrapolation-of-lethal-effects-of-an-herbicide-on-the-marine-mysid-shrimp-americamysis-bahia-by-use-of-the-general-unified-threshold-model-of-survival-guts
#12
Faten Gabsi, Andreas Solga, Eric Bruns, Christopher Leake, Thomas G Preuss
Risk assessments for plant protection products and their active ingredients that are based on standard laboratory tests performed under constant exposure conditions may result in an overestimation of risks because exposure in the environment is often characterized by a few short peaks. Here, the General Unified Threshold Model of Survival (GUTS) was used to conduct a refined risk assessment for the herbicide tembotrione and its effects on the marine invertebrate Americamysis bahia, for which the standard chronic effect assessment failed...
August 17, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30117274/nanosilver-enabled-food-storage-container-tradeoffs-environmental-impacts-versus-food-savings-benefit-informed-by-literature
#13
Edward I Westerband, Andrea L Hicks
Globally, thousands of tons of food are lost each year due to spoilage and degraded quality. This loss is a current critical issue that must be addressed to ensure adequate food supply for the growing world population; the use of technology and regulatory practices are avenues to a solution. One considered approach is the reduction of the microorganism population on the surface of food products to delay spoilage through the use of antimicrobials. One current method is the use of the antimicrobial properties of nanoscale silver (nAg) particles to prolong the freshness of stored food by reducing the bacteria present...
August 17, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30095221/bioavailability-of-mercury-in-power-plant-wastewater-and-ambient-river-samples-evidence-that-the-regulation-of-total-mercury-is-not-appropriate
#14
Robin J Reash
Mercury (Hg) is a neurotoxin that can cause debilitating effects to human and environmental receptors under high exposure conditions. For industrial and municipal point sources that discharge Hg, wastewater limitations on total Hg (THg) concentrations or loads are typical. While this regulatory practice provides simplicity for regulated industry and water resource agencies (i.e., for analytical detection and reporting purposes), it ignores the important considerations of speciation and bioavailability. In this study, water samples were collected from multiple power plant wastewater, simulated mixing zone, and ambient river locations (N = 10 to 20) and were analyzed for bioavailable Hg forms (methylmercury and acid-labile Hg, or BHg), THg, and dissolved Hg...
August 10, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30079459/an-integrative-model-to-assess-water-quality-in-china-s-taihu-lake-basin-comparing-single-factor-and-multifactor-assessments
#15
Huaqing Zhu, Xiwu Lu
To determine the differences between single-factor assessment (SFA) and multifactor assessment (MFA) of the water quality in Taihu Lake Basin in China, a software program was developed to perform absolute distance (AD) computations between SFA and MFAs that refer to the Nemerow comprehensive index (NCI) and fuzzy comprehensive assessment (FCA). Symbolic models were established to describe the computation types and sequences that are involved in the models above. Water data that were obtained weekly from 7 monitoring sites (MSs) of the basin over 10 years were tested to generate water quality grades and ADs...
August 5, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30024091/macroinvertebrate-sensitivity-thresholds-for-sediment-in-virginia-streams
#16
Heather Govenor, Leigh Anne H Krometis, Lawrence Willis, Paul L Angermeier, W Cully Hession
Sediment is the most commonly identified pollutant associated with macroinvertebrate community impairments in freshwater streams nationwide. Management of this physical stressor is complicated by the multiple measures of sediment available (e.g., suspended, dissolved, bedded) and the variability in natural "healthy" sediment loadings across ecoregions. Here we examine the relative importance of 9 sediment parameters on macroinvertebrate community health as measured by the Virginia Stream Condition Index (VSCI) across 5 ecoregions...
July 19, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/30024088/structural-alerts-for-the-identification-of-bioaccumulative-compounds
#17
Cecile Valsecchi, Francesca Grisoni, Viviana Consonni, Davide Ballabio
Legislators have included bioaccumulation in the evaluation of chemicals in the framework of the European Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation. REACH requires information on the bioconcentration factor (BCF), which is a parameter for assessing bioaccumulation and encourages the use of a weight-of-evidence approach, including predictions from quantitative structure-activity relationships (QSARs). This study presents a novel approach, based on structural alerts, to be used as a decision-support system for the identification of substances with bioaccumulation potential...
July 19, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/29968963/relative-abundance-trends-of-bird-populations-in-high-intensity-croplands-in-the-central-united-states
#18
Jason B Belden, Scott T McMurry, Jonathan D Maul, Richard A Brain, Lula T Ghebremichael
Declining bird populations across the United States have been noted in a number of studies. Although multiple explanations have been proposed as causes of these declines, agricultural intensification has often been suggested as a significant driver of bird population dynamics. Using spatially explicit USDA-NASS Cropland Data Layer, we examined this relationship by comparing bird count data from the Breeding Bird Survey collected between 1995 and 2016 across 13 states in the central United States to corresponding categorical changes in land cover within a 2-km radius of each survey transect...
July 2, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/29963740/quantifying-wildlife-and-navigation-benefits-of-a-dredging-beneficial-use-project-in-the-lower-atchafalaya-river-a-demonstration-of-engineering-with-nature%C3%A2
#19
Christy M Foran, Kelly A Burks-Copes, Jacob Berkowitz, Jeffrey Corbino, Burton C Suedel
The US Army Corps of Engineers (USACE) operates and maintains numerous projects in support of its various civil works missions including flood damage risk reduction, navigation, and ecosystem restoration. Originally authorized on an economic basis, these projects may produce a broad array of unaccounted for ecosystem services (ESs) that contribute to overall human, societal, and environmental well-being. Efforts are underway to capture the full array of environmental, economic, and social impacts of these projects...
July 2, 2018: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/29906356/beyond-citizen-science-multigenerational-education-and-mentoring-in-environmental-monitoring-a-case-study
#20
Beth Polidoro, Cassandra Clement
No abstract text is available yet for this article.
July 2018: Integrated Environmental Assessment and Management
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