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Environmental Management

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https://read.qxmd.com/read/30778652/stream-conditions-after-18-years-of-passive-riparian-restoration-in-small-fish-bearing-watersheds
#1
Kyle D Martens, Warren D Devine, Teodora V Minkova, Alex D Foster
Many of the ecological processes in the riparian forests and streams across the Pacific Northwest have become impaired through production forestry practices common prior to the 1990s. Some of these practices included forest harvest without stream buffers, removal of instream wood, road construction and use, and harvesting large proportions of watersheds. Passive ecological restoration (the use of natural processes of succession and disturbance to alleviate anthropogenic impacts over time) is a common practice used in the management of riparian forests previously subjected to production forestry...
February 18, 2019: Environmental Management
https://read.qxmd.com/read/30778651/a-simplified-method-to-assess-the-impact-of-sediment-and-nutrient-inputs-on-river-water-quality-in-two-regions-of-the-southern-coast-of-south-africa
#2
Hanlie Malherbe, David Le Maitre, Jay Le Roux, Stephan Pauleit, Carsten Lorz
Many rivers in the southern coastal region of the Western Cape Province, South Africa, are known to be in a poor state. Since the 1990s, the river water quality of this coastal region has been affected by increasing populations and by intensifying land use activities. Simplified risk assessment approaches are critical to identify in a timely manner areas where land use activities may impact water quality, particularly for regions with limited data. For this study, a simple assessment approach to estimate the impacts of land use activities on river water quality was improved by incorporating landscape potentials that take into account environmental factors...
February 18, 2019: Environmental Management
https://read.qxmd.com/read/30739152/integration-of-social-and-ecological-sciences-for-natural-resource-decision-making-challenges-and-opportunities
#3
Kelly F Robinson, Angela K Fuller, Richard C Stedman, William F Siemer, Daniel J Decker
The last 25 years have witnessed growing recognition that natural resource management decisions depend as much on understanding humans and their social interactions as on understanding the interactions between non-human organisms and their environment. Decision science provides a framework for integrating ecological and social factors into a decision, but challenges to integration remain. The decision-analytic framework elicits values and preferences to help articulate objectives, and then evaluates the outcomes of alternative management actions to achieve these objectives...
February 9, 2019: Environmental Management
https://read.qxmd.com/read/30739151/climate-change-communication-in-the-midwestern-united-states-perceptions-of-state-park-interpreters
#4
Vidya Balasubramanyam, Sonja Wilhelm Stanis, Mark Morgan, Ojetunde Ojewola
Parks and protected areas can be ideal settings for climate change communication since many visitors have an affinity for natural and cultural settings, and an interest in resource protection. However, climate-based education efforts in the Midwestern United States may need a slightly different approach since this region lacks obvious indicators, such as sea level rise and melting glaciers. Interpretation, an informal communication process designed to transmit scientific information to visitors in leisure-based settings, could be a useful strategy for engaging visitors in climate change discussions...
February 9, 2019: Environmental Management
https://read.qxmd.com/read/30739150/water-use-by-inland-aquaculture-in-thailand-stakeholder-perceptions-scientific-evidence-and-public-policy
#5
Louis Lebel, Phimphakan Lebel, C Joon Chuah
This paper assesses the significance of stakeholder discourses on uses of water by aquaculture for public policy. Our discourse analysis focuses on the experiences with inland aquaculture in Thailand, drawing from interviews with stakeholders, and evidence in public documents such as newspapers and television news reports. A key finding is that fish farms suffer significant losses from polluted run-off entering water bodies where fish are grown. Mass mortality events in river cage culture, in particular, attract media attention and are the core of the aquaculture-as-victim discourse...
February 9, 2019: Environmental Management
https://read.qxmd.com/read/30739149/environmental-pollution-management-and-sustainable-development-strategies-for-vietnam-and-other-developing-countries
#6
EDITORIAL
Tham C Hoang, Marsha C Black, Sandra L Knuteson, Aaron P Roberts
This editorial introduces the issue of selected papers that were presented at the third International Conference on Environmental Pollution, Restoration, and Management in Quy Nhon, Vietnam on 6-10 March 2017. While environmental problems caused by diverse municipal, industrial, and other economic development activities continue to increase in many Asian countries, public awareness about environmental management for public health and the environment remain at levels that favor accepting environmental degradation and impacts for tradeoffs with economic values...
February 9, 2019: Environmental Management
https://read.qxmd.com/read/30737526/neighborhood-parks-and-recreationists-exposure-to-ozone-a-comparison-of-disadvantaged-and-affluent-communities-in-los-angeles-california
#7
Patricia L Winter, Pamela E Padgett, Lee-Anne S Milburn, Weimin Li
Urban parks are valued for their benefits to ecological and human systems, likely to increase in importance as climate change effects continue to unfold. However, the ability of parks to provide those myriad benefits hinges on equitable provision of and access to green spaces and their environmental quality. A social-ecological approach was adopted in a study of urban park use by recreationists in the City of Los Angeles, contrasting two affluent and two disadvantaged communities situated in coastal and inland zones...
February 8, 2019: Environmental Management
https://read.qxmd.com/read/30712087/local-perceptions-of-hydraulic-fracturing-ahead-of-exploratory-drilling-in-eastern-south-africa
#8
Devan Allen McGranahan, Kevin P Kirkman
Applications for exploratory shale gas development via hydraulic fracturing (fracking) have raised concern about energy development impacts in South Africa. Initially, focus was on the arid Karoo, but interest now includes KwaZulu-Natal, a populous, agricultural province with high cultural, ecological, and economic diversity. We conducted focus groups and an online survey to determine how some South Africans perceive fracking. Focus group participants were unanimous in their opposition, primarily citing concerns over water quality and rural way-of-life...
February 2, 2019: Environmental Management
https://read.qxmd.com/read/30712086/frozen-histories-or-narratives-of-change-contextualizing-land-use-dynamics-for-conservation-of-historical-rural-landscapes
#9
Martin Dolejš, Jiří Nádvorník, Pavel Raška, Jiří Riezner
Current research has identified extensive changes in land-use structure and land management of Central European rural landscapes due to shifting political and economic trajectories. These changes are exemplified by diverse processes of agricultural intensification, privatization and land fragmentation, land abandonment and overall changes in modes of production. The extensive record of these historically specific processes has posed a fundamental challenge for rural landscape conservation, which is addressed in this paper...
February 2, 2019: Environmental Management
https://read.qxmd.com/read/30701282/merging-elaboration-and-the-theory-of-planned-behavior-to-understand-bear-spray-behavior-of-day-hikers-in-yellowstone-national-park
#10
Zachary D Miller, Wayne Freimund, Elizabeth Covelli Metcalf, Norma Nickerson, Robert B Powell
This research empirically merges together two related theories: the elaboration likelihood model and the theory of planned behavior. A structural equation modeling approach is used to evaluate the relationship between the two theories and their collective impacts on behavioral intentions. The results suggest elaboration predicts the components of the theory of planned behavior (attitudes, subjective norms, and perceived behavior control), which in turn all predicted behavior intentions. Furthermore, results showed that the components of the theory of planned behavior partially meditated the relationship between elaboration and behavioral intentions, indicating that elaboration works mostly through the components of the theory of planned behavior to impact behavioral intentions...
January 30, 2019: Environmental Management
https://read.qxmd.com/read/30688998/maple-syrup-producers-of-the-lake-states-usa-attitudes-towards-and-adaptation-to-social-ecological-and-climate-conditions
#11
Stephanie A Snyder, Michael A Kilgore, Marla R Emery, Marissa Schmitz
Maple syrup is an important non-timber forest product derived from the sap of the sugar maple (Acer saccharum Marshall). However, maple syrup producers are facing a diversity of challenges, including: potential range shifts in the maple resource; increasing variability in the timing, duration and yield of sap flow and syrup operations; invasive species, pests and diseases; and intergenerational land and business transfer challenges. Members of Maple Syrup Producer Associations in Minnesota, Wisconsin, and Michigan were surveyed to learn about their operations, adaptation strategies, concerns, and information needs...
January 28, 2019: Environmental Management
https://read.qxmd.com/read/30645675/drivers-and-management-implications-of-long-term-cisco-oxythermal-habitat-decline-in-lake-mendota-wi
#12
Madeline R Magee, Peter B McIntyre, Paul C Hanson, Chin H Wu
Cisco (Coregonus artedi) are an important indicator species for cold-water lake habitats in the Great Lakes region, and many populations have been extirpated at their southern range limit over the last century. Understanding the roles of climate and water quality in these extirpations should inform protection of cold-water fishes. Using the water temperature at the depth where dissolved oxygen falls to 3 mg L-1 (TDO3) as a metric, we investigated the roles of climate and water quality as drivers of habitat availability for cisco in Lake Mendota, WI, USA from 1976 to 2013...
January 15, 2019: Environmental Management
https://read.qxmd.com/read/30635682/meeting-water-quality-goals-by-spatial-targeting-of-best-management-practices-under-climate-change
#13
Yuelu Xu, Darrell J Bosch, Moges B Wagena, Amy S Collick, Zachary M Easton
Agricultural production is a major source of nonpoint source pollution contributing 44% of total nitrogen (N) discharged to the Chesapeake Bay. The United States Environmental Protection Agency (US EPA) established the Total Maximum Daily Load (TMDL) program to control this problem. For the Chesapeake Bay watershed, the TMDL program requires that nitrogen loadings be reduced by 25% by 2025. Climate change may affect the cost of achieving such reductions. Thus, it is necessary to develop cost-effective strategies to meet water quality goals under climate change...
January 11, 2019: Environmental Management
https://read.qxmd.com/read/30635681/incorporating-social-dimensions-in-planning-managing-and-evaluating-environmental-projects
#14
C Louise Goggin, Thomas Barrett, John Leys, Gregory Summerell, Emma Gorrod, Stuart Waters, Mark Littleboy, Tony D Auld, Michael J Drielsma, Brian R Jenkins
Most conservation research aims to inform management of environmental challenges, but scientific evidence is used inconsistently in environmental programmes and practice. We used semi-structured retrospective interviews to ask 12 environmental scientists and 14 practitioners (land managers, park rangers, project managers and planners from natural resource management agencies) about factors that facilitated and hindered the use of scientific input during 15 environmental projects. We used the common factors from interviews to develop a process model describing how scientific input informs programmes and practice...
January 11, 2019: Environmental Management
https://read.qxmd.com/read/30627765/invasive-alien-species-in-switzerland-awareness-and-preferences-of-experts-and-the-public
#15
Xenia Junge, Marcel Hunziker, Nicole Bauer, Arne Arnberger, Roland Olschewski
Invasive alien species (IAS) can cause ecological and economic damages. To reduce or prevent these damages different management and prevention strategies aim to impede new establishments or a further spreading of IAS. However, for these measures to be successful, public knowledge of risks and threats of IAS as well as public support for eradication measures are important prerequisites. We conducted a survey to examine (i) public and experts' awareness and knowledge of IAS, (ii) their preferences for six invasive plant species and (iii) their preferences for and trade-offs among management alternatives in Switzerland...
January 9, 2019: Environmental Management
https://read.qxmd.com/read/30607547/removal-of-selected-pharmaceuticals-and-personal-care-products-from-wastewater-using-soybean-peroxidase
#16
Neda Mashhadi, Keith E Taylor, Nathalie Jimenez, Sherin T Varghese, Yaniv Levi, Corinne Lonergan, Emilie Lebeau, Mathilde Lamé, Elodie Lard, Nihar Biswas
Personal care products and pharmaceuticals have been reported in various concentrations in the effluent of municipal sewage treatment plants (STP). Although they are generally found in the nanogram to microgram per liter range, many of them might have adverse health effects on humans at these concentrations. Conventional treatments applied at the STP are unable to effectively remove most of these recalcitrant compounds, thus there is a necessity for development of alternative treatment techniques. In this article, the efficiency of enzymatic treatment using soybean peroxidase in treating some commonly found micropollutants is discussed...
January 3, 2019: Environmental Management
https://read.qxmd.com/read/30542741/analyzing-social-networks-to-examine-the-changing-governance-structure-of-springsheds-a-case-study-of-sikkim-in-the-indian-himalayas
#17
Sudeshna Maya Sen, Aprajita Singh, Navarun Varma, Divya Sharma, Arun Kansal
The governance of natural resources now attracts greater participation of different stakeholders, ushering in a shift from conventional governance by the state to that by a network of stakeholders-a form of governance marked by a growing role of non-state and local actors. These changing dynamics are highlighted through a study of the governance network for springsheds in the Indian Himalayas by empirically mapping the changes in the Dhara Vikas Yojna, a plan or scheme (yojana) by the state for the development (vikas) of springs (dhara) in Sikkim, India, from policy planning to policy implementation...
December 12, 2018: Environmental Management
https://read.qxmd.com/read/30539225/multi-stage-optimization-approach-for-sustainable-municipal-solid-waste-collection-systems-in-urban-areas-of-asia-s-newly-industrialized-countries
#18
Moni M Mondal, Christopher J Speier, Dirk Weichgrebe
A multi-stage optimization approach for sustainable collection system design for urban municipal solid waste is developed for megacities in Asia's newly industrialized countries. The approach combines four methods-analysis of waste and area characteristics, data acquisition and evaluation by GIS, mathematical projection of existing and future collection systems, and identification of most suitable alternatives through comparative multi-criteria decision analysis (MCDA). The approach is applied in Bangalore, India with 1...
December 11, 2018: Environmental Management
https://read.qxmd.com/read/30539224/assessing-illinois-residents-support-for-natural-recolonization-of-apex-predators
#19
Adam C Landon, Craig A Miller, Brent D Williams
Understanding sources of difference in public attitudes toward wildlife is critical for the design of effective policy instruments. In this article we explored the role of wildlife value orientations and stakeholder group membership (general public versus agricultural producers) in shaping residents support for the natural recolonization of apex predators (black bear, cougar, gray wolf), in Illinois, USA. Results demonstrate differences in attitudes toward recolonization as a function of residents' basic beliefs about the human-wildlife relationship and stakeholder group membership...
December 11, 2018: Environmental Management
https://read.qxmd.com/read/30535797/young-forest-conservation-incentive-programs-explaining-re-enrollment-and-post-program-persistence
#20
Seth H Lutter, Ashley A Dayer, Jeffery L Larkin
Environmental conservation actions conducted by private landowners are critically important for conservation efforts worldwide. Incentive programs are used to engage landowners in voluntary conservation, but outcomes after landowners exit these programs are poorly understood. Previous research identified several pathways, including landowner motivations, cognitions, and resources, which could sustain or undermine continued conservation management behavior after incentive program participation. We tested the utility of these pathways for explaining management intentions of participants in U...
December 9, 2018: Environmental Management
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