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Journal of Environmental Management

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https://www.readbyqxmd.com/read/28738203/early-detection-monitoring-for-aquatic-non-indigenous-species-optimizing-surveillance-incorporating-advanced-technologies-and%C3%A2-identifying-research-needs
#1
REVIEW
Anett S Trebitz, Joel C Hoffman, John A Darling, Erik M Pilgrim, John R Kelly, Emily A Brown, W Lindsay Chadderton, Scott P Egan, Erin K Grey, Syed A Hashsham, Katy E Klymus, Andrew R Mahon, Jeffrey L Ram, Martin T Schultz, Carol A Stepien, James C Schardt
Following decades of ecologic and economic impacts from a growing list of nonindigenous and invasive species, government and management entities are committing to systematic early- detection monitoring (EDM). This has reinvigorated investment in the science underpinning such monitoring, as well as the need to convey that science in practical terms to those tasked with EDM implementation. Using the context of nonindigenous species in the North American Great Lakes, this article summarizes the current scientific tools and knowledge - including limitations, research needs, and likely future developments - relevant to various aspects of planning and conducting comprehensive EDM...
July 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28738202/predicting-carbon-benefits-from-climate-smart-agriculture-high-resolution-carbon-mapping-and-uncertainty-assessment-in-el-salvador
#2
Sean Patrick Kearney, Nicholas C Coops, Kai M A Chan, Steven J Fonte, Pablo Siles, Sean M Smukler
Agroforestry management in smallholder agriculture can provide climate change mitigation and adaptation benefits and has been promoted as 'climate-smart agriculture' (CSA), yet has generally been left out of international and voluntary carbon (C) mitigation agreements. A key reason for this omission is the cost and uncertainty of monitoring C at the farm scale in heterogeneous smallholder landscapes. A largely overlooked alternative is to monitor C at more aggregated scales and develop C contracts with groups of land owners, community organizations or C aggregators working across entire landscapes (e...
July 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28738201/interbasin-water-transfer-for-the-rehabilitation-of-a-transboundary-mediterranean-stream-an-economic-analysis
#3
Ariel Akron, Andrea Ghermandi, Tamar Dayan, Yaron Hershkovitz
Global demand for freshwater is increasing as human population grows, climate changes and water resources are being overexploited. Consequently, many freshwater ecosystems, particularly in water-stressed regions, are severely degraded. Here we present a unique case of an Interbasin Water Transfer (IWT) project aiming at ecosystem rehabilitation and recreation enhancement of an intermittent transboundary stream (Ayun, Israel). For the past century, water diversion at the Lebanese side had led to flow secession in the Israeli Ayun Nature Reserve during the dry season (May-November)...
July 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735211/runoff-initiation-soil-detachment-and-connectivity-are-enhanced-as-a-consequence-of-vineyards-plantations
#4
A Cerdà, S D Keesstra, J Rodrigo-Comino, A Novara, P Pereira, E Brevik, A Giménez-Morera, M Fernández-Raga, M Pulido, S di Prima, A Jordán
Rainfall-induced soil erosion is a major threat, especially in agricultural soils. In the Mediterranean belt, vineyards are affected by high soil loss rates, leading to land degradation. Plantation of new vines is carried out after deep ploughing, use of heavy machinery, wheel traffic, and trampling. Those works result in soil physical properties changes and contribute to enhanced runoff rates and increased soil erosion rates. The objective of this paper is to assess the impact of the plantation of vineyards on soil hydrological and erosional response under low frequency - high magnitude rainfall events, the ones that under the Mediterranean climatic conditions trigger extreme soil erosion rates...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735210/moisture-content-prediction-in-poultry-litter-using-artificial-intelligence-techniques-and-monte-carlo-simulation-to-determine-the-economic-yield-from-energy-use
#5
José Octavio Rico-Contreras, Alberto Alfonso Aguilar-Lasserre, Juan Manuel Méndez-Contreras, Jhony Josué López-Andrés, Gabriela Cid-Chama
The objective of this study is to determine the economic return of poultry litter combustion in boilers to produce bioenergy (thermal and electrical), as this biomass has a high-energy potential due to its component elements, using fuzzy logic to predict moisture and identify the high-impact variables. This is carried out using a proposed 7-stage methodology, which includes a statistical analysis of agricultural systems and practices to identify activities contributing to moisture in poultry litter (for example, broiler chicken management, number of air extractors, and avian population density), and thereby reduce moisture to increase the yield of the combustion process...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735209/seasonal-performance-of-denitrifying-bioreactors-in-the-northeastern-united-states-field-trials
#6
Bahareh Hassanpour, Shree Giri, William T Pluer, Tammo S Steenhuis, Larry D Geohring
Denitrifying bioreactors are increasingly being used for nitrate removal from agricultural drainage water. Filled with carbon substrates, often woodchips, denitrifying bioreactors provide a favorable anaerobic environment for denitrification. Despite performing well in loess soils in the Midwestern United States, field bioreactors have not yet been evaluated in shallow soils over glacial till that are characteristic for the Northeastern United States. This study, therefore, investigates the performance of bioreactors and provides design criteria for shallow soil with flashy discharges...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735208/sectoral-linkage-analysis-of-three-main-air-pollutants-in-china-s-industry-comparing-2010-with-2002
#7
Weiwei He, Yuan Wang, Jian Zuo, Yincheng Luo
To investigate the driving forces of air pollution in China, the changes in linkages amongst inter-industrial air pollutant emissions were analyzed by hypothetical extraction method under the input-output framework. Results showed that the emissions of SO2, soot and dust from industrial sources increased by 56.46%, 36.95% and 11.69% respectively in 2010, compared with 2002. As major contributors to emissions, the power and gas sectors were responsible for the growing SO2 emissions, the nonmetal products sector for soot emissions, and the metals mining, smelting and pressing sectors for dust emissions...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735207/nutrient-balancing-for-phytoremediation-enhancement-of-urea-manufacturing-raw-wastewater
#8
Sara Yavari, Amirhossein Malakahmad, Nasiman B Sapari, Saba Yavari, Eakalak Khan
Application of urea manufacturing wastewater to teak (Tectona grandis) trees, a fast growing tropical timber plants, is an environmentally-friendly and cost-effective alternative for treatment of nitrogen-rich wastewater. However, the plant growth is strongly limited by lack of phosphorus (P) and potassium (K) elements when the plants are irrigated with wastewater containing high concentration of nitrogen (N). A greenhouse experiment was conducted to optimize the efficiency of teak-based remediation systems in terms of nutrient balance...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735206/electrochemical-treatment-of-biologically-pre-treated-dairy-wastewater-using-dimensionally-stable-anodes
#9
Vlasia Markou, Maria-Christina Kontogianni, Zacharias Frontistis, Athanasia G Tekerlekopoulou, Alexandros Katsaounis, Dimitris Vayenas
In this work, electrochemical oxidation of aerobically pre-treated dairy wastewaters using IrO2-Pt coated dimensionally stable anodes was investigated. It was found that IrO2/Ti electrode outperforming Pt/Ti and IrO2-Pt/Ti at lower current densities, while Pt/Ti achieved better efficiency at higher current density. Among the different parameters which were studied, the current density was the most crucial for the efficiency of the process. A current density of 100 mA/cm(2) led to almost complete removal of 3700 mg/L COD after 360 min of treatment using IrO2/Ti electrode and 0...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735205/unconventional-gas-development-facilitates-plant-invasions
#10
Kathryn M Barlow, David A Mortensen, Patrick J Drohan, Kristine M Averill
Vegetation removal and soil disturbance from natural resource development, combined with invasive plant propagule pressure, can increase vulnerability to plant invasions. Unconventional oil and gas development produces surface disturbance by way of well pad, road, and pipeline construction, and increased traffic. Little is known about the resulting impacts on plant community assembly, including the spread of invasive plants. Our work was conducted in Pennsylvania forests that overlay the Marcellus and Utica shale formations to determine if invasive plants have spread to edge habitat created by unconventional gas development and to investigate factors associated with their presence...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735204/developing-an-ecosystem-model-of-a-floating-wetland-for-water-quality-improvement-on-a-stormwater-pond
#11
Brendan McAndrew, Changwoo Ahn
An ecosystem model was developed to assist with designing and implementing a floating wetland (FW) for water quality management of urban stormwater ponds, focusing on nitrogen (N) removal. The model is comprised of three linked submodels: hydrology, plant growth, and nitrogen. The model was calibrated with the data that resulted from a FW constructed and implemented as part of an interdisciplinary pedagogical project on a university campus, titled "The Rain Project", which raised awareness of stormwater issues while investigating the potential application of green infrastructure for sustainable stormwater management...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28735203/grape-stalk-application-for-caffeine-removal-through-adsorption
#12
Rodrigo Portinho, Odivan Zanella, Liliana Amaral Féris
Concern over emerging pollutants presence in water resources is growing, justifying the search for alternative or additional techniques to those applied in conventional water treatment processes. Use of adsorption with agricultural wastes directly as adsorbents or as precursors for activated carbon synthesis is a viable method, combining removal efficiency, low cost and biodegradability of the material applied. This study investigated the employability of grape stalk, a waste from grape industrialization process without effective use, in caffeine removal from aqueous solution...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28734202/creating-institutional-flexibility-for-adaptive-water-management-insights-from-two-management-agencies
#13
Michael Peat, Katie Moon, Fiona Dyer, William Johnson, Susan J Nichols
Adaptive management is an experimental approach used by water management agencies around the world to manage and restore aquatic ecosystems. The effectiveness of the approach can often be constrained by inflexible institutional arrangements. In this paper we compare two cases where agencies have implemented adaptive management to manage and restore aquatic ecosystems. Our aim was to understand practitioners' perceptions of how institutional flexibility can be created for adaptive management. We interviewed 14 adaptive management practitioners working in the Murray-Darling Basin, Australia and 14 practitioners in Southern Florida, United States of America...
July 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28734201/modification-of-chemical-properties-cu-fractionation-and-enzymatic-activities-in-an-acid-vineyard-soil-amended-with-winery-wastes-a-field-study
#14
Isabel Rodríguez-Salgado, Paula Pérez-Rodríguez, Antía Gómez-Armesto, Montserrat Díaz-Raviña, Juan Carlos Nóvoa-Muñoz, Manuel Arias-Estévez, David Fernández-Calviño
The effects of adding two winery wastes, perlite waste (PW) and bentonite waste (BW), to an acid vineyard soil were assessed using some chemical and biological soil properties in a field study that lasted 18 months. The addition of PW (up to 81 Mg ha(-1)) had neither significant nor permanent effects on soil characteristics such as the pH, organic matter content or nutrient concentrations, the amounts of copper or zinc, or the electrical conductivity. Moreover, no persistent negative effects were found on the enzymatic activities after PW application...
July 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28732277/assessment-of-metal-and-pah-profiles-in-suds-soil-based-on-an-improved-experimental-procedure
#15
Damien Tedoldi, Ghassan Chebbo, Daniel Pierlot, Yves Kovacs, Marie-Christine Gromaire
The increasing use of infiltration-based systems for stormwater management questions the soil's ability to act as a long-term filter for runoff contaminants, and brings about operational matters regarding the most effective maintenance practices to enhance contaminant retention in SUDS. This paper reports the vertical extent of metal and PAH contamination in the soil of seven source-control devices in operation for more than 10 years, assessed via a two-step sampling strategy to optimize the representativeness of the contamination profiles...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28732276/sampling-and-single-particle-analysis-for-the-chemical-characterisation-of-fine-atmospheric-particulates-a-review
#16
REVIEW
Michele Elmes, Massimo Gasparon
To better understand the potential environmental and human health impacts of fine airborne particulate matter (APM), detailed physical and chemical characterisation is required. The only means to accurately distinguish between the multiple compositions in APM is by single particle analysis. A variety of methods and instruments are available, which range from filter-based sample collection for off-line laboratory analysis to on-line instruments that detect the airborne particles and generate size distribution and chemical data in real time...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28732275/plot-farm-and-watershed-scale-effects-of-coffee-cultivation-in-runoff-and-sediment-production-in-western-puerto-rico
#17
Carlos E Ramos-Scharrón, Yasiel Figueroa-Sánchez
The combination of a topographically abrupt wet-tropical setting with the high level of soil exposure that typifies many sun-grown coffee farms represents optimal conditions for high erosion rates. Although traditionally considered as a main cause for water resource degradation, limited empirical evidence has existed to document its true contribution. This study relies on plot-scale experimental results conducted in western Puerto Rico to assess the impact of cultivated surfaces and farm access roads on runoff and sediment production from the plot to the farm and watershed scales...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28728973/sewer-mining-a-water-reuse-option-supporting-circular-economy-public-service-provision-and-entrepreneurship
#18
C Makropoulos, E Rozos, I Tsoukalas, A Plevri, G Karakatsanis, L Karagiannidis, E Makri, C Lioumis, C Noutsopoulos, D Mamais, C Rippis, E Lytras
Water scarcity, either due to increased urbanisation or climatic variability, has motivated societies to reduce pressure on water resources mainly by reducing water demand. However, this practice alone is not sufficient to guarantee the quality of life that high quality water services underpin, especially within a context of increased urbanisation. As such, the idea of water reuse has been gaining momentum for some time and has recently found a more general context within the idea of the Circular Economy. This paper is set within the context of an ongoing discussion between centralized and decentralized water reuse techniques and the investigation of trade-offs between efficiency and economic viability of reuse at different scales...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28728972/numerical-characterisation-of-one-step-and-three-step-solar-air-heating-collectors-used-for-cocoa-bean-solar-drying
#19
Elder Mendoza Orbegoso, Rafael Saavedra, Daniel Marcelo, Raúl La Madrid
In the northern coastal and jungle areas of Peru, cocoa beans are dried using artisan methods, such as direct exposure to sunlight. This traditional process is time intensive, leading to a reduction in productivity and, therefore, delays in delivery times. The present study was intended to numerically characterise the thermal behaviour of three configurations of solar air heating collectors in order to determine which demonstrated the best thermal performance under several controlled operating conditions. For this purpose, a computational fluid dynamics model was developed to describe the simultaneous convective and radiative heat transfer phenomena under several operation conditions...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28728971/a-multi-objective-optimization-approach-for-the-selection-of-working-fluids-of-geothermal-facilities-economic-environmental-and-social-aspects
#20
Juan Martínez-Gomez, Javier Peña-Lamas, Mariano Martín, José María Ponce-Ortega
The selection of the working fluid for Organic Rankine Cycles has traditionally been addressed from systematic heuristic methods, which perform a characterization and prior selection considering mainly one objective, thus avoiding a selection considering simultaneously the objectives related to sustainability and safety. The objective of this work is to propose a methodology for the optimal selection of the working fluid for Organic Rankine Cycles. The model is presented as a multi-objective approach, which simultaneously considers the economic, environmental and safety aspects...
July 17, 2017: Journal of Environmental Management
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