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Environmental Management

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https://www.readbyqxmd.com/read/29654363/assessing-the-hydrogeomorphic-effects-of-environmental-flows-using-hydrodynamic-modeling
#1
Angela Gregory, Ryan R Morrison, Mark Stone
Water managers are increasingly using environmental flows (e-flows) as a tool to improve ecological conditions downstream from impoundments. Recent studies have called for e-flow approaches that explicitly consider impacts on hydrogeomorphic processes when developing management alternatives. Process-based approaches are particularly relevant in river systems that have been highly modified and where water supplies are over allocated. One-dimensional (1D) and two-dimensional (2D) hydrodynamic models can be used to resolve hydrogeomorphic processes at different spatial and temporal scales to support the development, testing, and refinement of e-flow hypotheses...
April 13, 2018: Environmental Management
https://www.readbyqxmd.com/read/29654362/an-improved-approach-for-forecasting-ecological-impacts-from-future-drilling-in-unconventional-shale-oil-and-gas-plays
#2
Brad D Wolaver, Jon Paul Pierre, Svetlana A Ikonnikova, John R Andrews, Guinevere McDaid, Wade A Ryberg, Toby J Hibbitts, Charles M Duran, Benjamin J Labay, Travis J LaDuc
Directional well drilling and hydraulic fracturing has enabled energy production from previously inaccessible resources, but caused vegetation conversion and landscape fragmentation, often in relatively undisturbed habitats. We improve forecasts of future ecological impacts from unconventional oil and gas play developments using a new, more spatially-explicit approach. We applied an energy production outlook model, which used geologic and economic data from thousands of wells and three oil price scenarios, to map future drilling patterns and evaluate the spatial distribution of vegetation conversion and habitat impacts...
April 13, 2018: Environmental Management
https://www.readbyqxmd.com/read/29651686/tackling-the-relevance-of-packaging-in-life-cycle-assessment-of-virgin-olive-oil-and-the-environmental-consequences-of-regulation
#3
Alejandra Navarro, Rita Puig, Elena Martí, Alba Bala, Pere Fullana-I-Palmer
Production and consumption of olive oil is very important in Europe, being this product a basic element in the Mediterranean diet since long ago. The project objective is two-fold: a study of the contribution of virgin olive oils (VOOs) usual packaging to the whole life cycle of the product and a study of the environmental consequences of the Spanish Government regulation on VOO packaging. A life cycle assessment (LCA) according to ISO 14044 has been performed using the CML methodology for the impact assessment...
April 12, 2018: Environmental Management
https://www.readbyqxmd.com/read/29644425/turbidity-responses-from-timber-harvesting-wildfire-and-post-fire-logging-in-the-battle-creek-watershed-northern-california
#4
Jack Lewis, Jonathan J Rhodes, Curtis Bradley
The Battle Creek wa tershed in northern California was historically important for its Chinook salmon populations, now at remnant levels due to land and water uses. Privately owned portions of the watershed are managed primarily for timber production, which has intensified since 1998, when clearcutting became widespread. Turbidity has been monitored by citizen volunteers at 13 locations in the watershed. Approximately 2000 grab samples were collected in the 5-year analysis period as harvesting progressed, a severe wildfire burned 11,200 ha, and most of the burned area was salvage logged...
April 11, 2018: Environmental Management
https://www.readbyqxmd.com/read/29637278/integrating-qualitative-and-quantitative-methods-in-participatory-modeling-to-elicit-behavioral-drivers-in-environmental-dilemmas-the-case-of-air-pollution-in-talca-chile
#5
Franziska Meinherz, Nuno Videira
The aim of this paper is to contribute to the exploration of environmental modeling methods based on the elicitation of stakeholders' mental models. This aim is motivated by the necessity to understand the dilemmas and behavioral rationales of individuals for supporting the management of environmental problems. The methodology developed for this paper integrates qualitative and quantitative methods by deploying focus groups for the elicitation of the behavioral rationales of the target population, and grounded theory to code the information gained in the focus groups and to guide the development of a dynamic simulation model...
April 10, 2018: Environmental Management
https://www.readbyqxmd.com/read/29637277/quantifying-the-hydrological-effect-of-permitted-water-abstractions-across-spatial-scales
#6
D J Booker
Water abstraction from rivers and aquifers has considerable potential to alter flow regimes, thereby influencing the physical, chemical, and ecological well-being of freshwater ecosystems. The economic and social benefits of abstraction need to be balanced against its potentially deleterious consequences for hydrologically-driven ecological functions, ecosystem services, cultural values, and recreation. In New Zealand, recent legislation states that limits for the use of water resources should be set for all waterbodies to manage the potential cumulative impacts of abstraction and reduce allocation of the hydrological resource in over-allocated catchments...
April 10, 2018: Environmental Management
https://www.readbyqxmd.com/read/29637276/combining-ecosystem-services-assessment-with-structured-decision-making-to-support-ecological-restoration-planning
#7
David M Martin, Marisa Mazzotta, Justin Bousquin
Accounting for ecosystem services in environmental decision making is an emerging research topic. Modern frameworks for ecosystem services assessment emphasize evaluating the social benefits of ecosystems, in terms of who benefits and by how much, to aid in comparing multiple courses of action. Structured methods that use decision analytic-approaches are emerging for the practice of ecological restoration. In this article, we combine ecosystem services assessment with structured decision making to estimate and evaluate measures of the potential benefits of ecological restoration with a case study in the Woonasquatucket River watershed, Rhode Island, USA...
April 10, 2018: Environmental Management
https://www.readbyqxmd.com/read/29626224/who-wants-to-save-the-forest-characterizing-community-led-monitoring-in-prey-lang-cambodia
#8
Nerea Turreira-García, Henrik Meilby, Søren Brofeldt, Dimitris Argyriou, Ida Theilade
Community monitoring is believed to be successful only where there is sustained funding, legislation for communities to enforce rules, clear tenure rights, and an enabling environment created by the state. Against this backdrop, we present the case of an autonomous grassroots-monitoring network that took the initiative to protect their forest, in a context, where no external incentives and rule enforcement power were provided. The aim was to analyze the socio-demographic and economic backgrounds, motivations and achievements of forest monitors, compared to non-monitors in the same communities...
April 6, 2018: Environmental Management
https://www.readbyqxmd.com/read/29623401/the-art-of-co-production-of-knowledge-in-environmental-sciences-and-management-lessons-from-international-practice
#9
Ida Nadia S Djenontin, Alison M Meadow
This review paper addresses the challenging question of "how to" design and implement co-production of knowledge in climate science and other environmental and agricultural sciences. Based on a grounded theory review of nine (9) published case studies of transdisciplinary and collaborative research projects, the paper offers a set of common themes regarding specific components and processes for the design, implementation, and achievement of co-production of knowledge work, which represent the "Modus Operandi" of knowledge co-production...
April 5, 2018: Environmental Management
https://www.readbyqxmd.com/read/29619503/on-abandoning-hypothesis-testing-in-environmental-standard-compliance-assessment
#10
Song S Qian, Robert J Miltner
We use basic characteristics of statistical significance test to argue the abandonment of hypothesis testing in environmental standard (or criterion) compliance assessment. The typical sample size used for environmental assessment is small, and the natural variation of many water quality constituent concentrations is high. These conditions lead to low statistical power of the hypothesis tests used in the assessment process. As a result, using hypothesis testing is often inefficient in detecting noncompliance...
April 4, 2018: Environmental Management
https://www.readbyqxmd.com/read/29605830/policy-coherence-and-interplay-between-climate-change-adaptation-policies-and-the-forestry-sector-in-nepal
#11
Sunita Ranabhat, Rucha Ghate, Laxmi Dutt Bhatta, Nand Kishor Agrawal, Sunil Tankha
Least Developed Countries are likely to be hit the hardest by climate change and need focused efforts towards adaptation. Nepal recognizes that it needs to integrate climate change adaptation into various policies, but limited understanding of how to make these policies coherent is among the factors that hinder effective adaptation action. This can lead to wasted resources and lost opportunities. This paper applies concepts from policy coherence for development frameworks and policy content analysis to examine coherence in Nepal's climate and forest policies-and discusses the factors hindering effective implementation...
March 31, 2018: Environmental Management
https://www.readbyqxmd.com/read/29600435/putting-climate-adaptation-on-the-map-developing-spatial-management-strategies-for-whitebark-pine-in-the-greater-yellowstone-ecosystem
#12
Kathryn B Ireland, Andrew J Hansen, Robert E Keane, Kristin Legg, Robert L Gump
Natural resource managers face the need to develop strategies to adapt to projected future climates. Few existing climate adaptation frameworks prescribe where to place management actions to be most effective under anticipated future climate conditions. We developed an approach to spatially allocate climate adaptation actions and applied the method to whitebark pine (WBP; Pinus albicaulis) in the Greater Yellowstone Ecosystem (GYE). WBP is expected to be vulnerable to climate-mediated shifts in suitable habitat, pests, pathogens, and fire...
March 29, 2018: Environmental Management
https://www.readbyqxmd.com/read/29600434/environmental-behavior-among-russian-youth-the-role-of-self-direction-and-environmental-concern
#13
Alexander Zibenberg, Itay Greenspan, Tally Katz-Gerro, Femida Handy
Previous research that has tried to identify the personal values that best explain variance in pro-environmental attitudes tended to focus on biospheric and universalism values. This paper examines the importance of self-direction as a value underlying young people's inclination to adopt pro-environmental behaviors and environmental activism. We expect that individuals who emphasize a self-direction value, which fosters creativity, motivates innovation, and promotes coping with challenges, are likely to respond in more self-directed and autonomous ways to emerging environmental practices...
March 29, 2018: Environmental Management
https://www.readbyqxmd.com/read/29594380/an-attempt-to-find-a-suitable-biomass-for-biochar-based-polypropylene-biocomposites
#14
Oisik Das, Nam Kyeun Kim, Mikael S Hedenqvist, Richard J T Lin, Ajit K Sarmah, Debes Bhattacharyya
Four biomass wastes (rice husk, coffee husk, coarse wool, and landfill wood) were added with biochar and polypropylene (PP) to manufacture biocomposites. Individual biomasses were tested for their combustion behavior using cone calorimeter. Biocomposites were analyzed for their fire/thermal, mechanical, and morphological properties. Wood had the most desirable comprehensive effect on both the mechanical and fire properties of composites. In particular, wood and biochar composite exhibited the highest values of tensile/flexural properties with a relatively low peak heat release rate...
March 28, 2018: Environmental Management
https://www.readbyqxmd.com/read/29589139/fish-community-structure-and-diet-responses-to-newbury-weirs-in-a-low-gradient-river
#15
Sophia M Bonjour, Heidi M Rantala, Micah G Bennett, Matt R Whiles
Restoration projects are often implemented to address specific issues in the environment. Consequences of a restoration project, if any are measured, typically focus on direct changes to the projects focus. However, changing habitat structure likely results in changes to the environment that affect the communities living there. Rock weirs have been used for channel stabilization in many midwestern rivers. Previous research in a southern Illinois river found that weirs benefitted aquatic macroinvertebrate and riparian bird communities by enhancing habitat heterogeneity and insect emergence production...
March 27, 2018: Environmental Management
https://www.readbyqxmd.com/read/29572559/an-integrative-review-of-empirical-research-on-perceptions-and-behaviors-related-to-prescribed-burning-and-wildfire-in-the-united-states
#16
Lauren Nicole Dupéy, Jordan W Smith
Social science research from a variety of disciplines has generated a collective understanding of how individuals prepare for, and respond to, the risks associated with prescribed burning and wildfire. We provide a systematic compilation, review, and quantification of dominant trends in this literature by collecting all empirical research conducted within the U.S. that has addressed perceptions and behaviors surrounding various aspects of prescribed burning and wildfire. We reviewed and quantified this literature using four thematic categories covering: (1) the theory and methods that have been used in previous research; (2) the psychosocial aspects of prescribed burning and wildfire that have been studied; (3) the biophysical characteristics of the fires which have been studied; and (4) the types of fire and management approaches that have been examined...
March 23, 2018: Environmental Management
https://www.readbyqxmd.com/read/29564496/understanding-the-patterns-and-drivers-of-air-pollution-on-multiple-time-scales-the-case-of-northern-china
#17
Yupeng Liu, Jianguo Wu, Deyong Yu, Ruifang Hao
China's rapid economic growth during the past three decades has resulted in a number of environmental problems, including the deterioration of air quality. It is necessary to better understand how the spatial pattern of air pollutants varies with time scales and what drive these changes. To address these questions, this study focused on one of the most heavily air-polluted areas in North China. We first quantified the spatial pattern of air pollution, and then systematically examined the relationships of air pollution to several socioeconomic and climatic factors using the constraint line method, correlation analysis, and stepwise regression on decadal, annual, and seasonal scales...
March 21, 2018: Environmental Management
https://www.readbyqxmd.com/read/29560524/efo-lci-a-new-life-cycle-inventory-database-of-forestry-operations-in-europe
#18
Giuseppe Cardellini, Tatiana Valada, Claire Cornillier, Estelle Vial, Marian Dragoi, Venceslas Goudiaby, Volker Mues, Bruno Lasserre, Arkadiusz Gruchala, Per Kristian Rørstad, Mathias Neumann, Miroslav Svoboda, Risto Sirgmets, Olli-Pekka Näsärö, Frits Mohren, Wouter M J Achten, Liesbet Vranken, Bart Muys
Life cycle assessment (LCA) has become a common methodology to analyze environmental impacts of forestry systems. Although LCA has been widely applied to forestry since the 90s, the LCAs are still often based on generic Life Cycle Inventory (LCI). With the purpose of improving LCA practices in the forestry sector, we developed a European Life Cycle Inventory of Forestry Operations (EFO-LCI) and analyzed the available information to check if within the European forestry sector national differences really exist...
March 20, 2018: Environmental Management
https://www.readbyqxmd.com/read/29556722/the-insignificance-of-thresholds-in-environmental-impact-assessment-an-illustrative-case-study-in-canada
#19
Cathryn Clarke Murray, Janson Wong, Gerald G Singh, Megan Mach, Jackie Lerner, Bernardo Ranieri, Guillaume Peterson St-Laurent, Alice Guimaraes, Kai M A Chan
Environmental assessment is the process that decision-makers rely on to predict, evaluate, and prevent biophysical, social, and economic impacts of potential project developments. The determination of significance in environmental assessment is central to environmental management in many nations. We reviewed ten recent environmental impact assessments from British Columbia, Canada and systematically reviewed and scored significance determination and the approaches used by assessors, the use of thresholds in significance determination, threshold exceedances, and the outcomes...
March 19, 2018: Environmental Management
https://www.readbyqxmd.com/read/29546634/lessons-from-philippines-mpa-management-social-ecological-interactions-participation-and-mpa-performance
#20
Julia Twichell, Richard Pollnac, Patrick Christie
International interest in increasing marine protected area (MPA) coverage reflects broad recognition of the MPA as a key tool for marine ecosystems and fisheries management. Nevertheless, effective management remains a significant challenge. The present study contributes to enriching an understanding of best practices for MPA management through analysis of archived community survey data collected in the Philippines by the Learning Project (LP), a collaboration with United States Coral Triangle Initiative (USCTI), United States Agency for International Development (USAID), and partners...
March 15, 2018: Environmental Management
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