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排序方式: 共有203条查询结果,搜索用时 31 毫秒
1.
Ray Maher Melanie Maher Clive A. McAlpine Samuel Mann Leonie Seabrook 《Sustainability Science》2018,13(5):1357-1373
Sustainability challenges rarely align with the conventional boundaries of our disciplines, institutions and means of communication. To address these challenges amid real-world complexity, we need to think holistically and collaborate across disciplines. In this paper, we synthesise three themes: (1) more integrated conceptual frameworks; (2) digital visual communication which provides fluid expression of complex ideas and perceptions; and (3) online networks which can empower sustainability initiatives and communicate them across social and institutional barriers at a global scale. Each of these tools can help to overcome persistent barriers to sustainability. When used together, they provide a strategic basis for the design of digital collaboration platforms for addressing sustainability challenges. Using design thinking, we developed a Synergy Map which identifies relationships among a number of barriers to sustainability and conceptual and digital tools which help to address them. The Map identifies the potential for synthesising these tools into effective digital artefacts. We provide several examples and identify characteristics of particular value for overcoming barriers to sustainability. Combining new theoretical developments in sustainability sciences with recent advances in communication and networking technologies offers substantial potential for advancing sustainability on multiple fronts. 相似文献
2.
Kelsey RH Scott GI Porter DE Thompson B Webster L 《Environmental monitoring and assessment》2003,81(1-3):337-348
Multiple Antibiotic Resistance (MAR) analysis and regression modeling techniques were used to identify surface water areas impacted by fecal pollution from human sources, and to determine the effects of land use on fecal pollution in Murrells Inlet, a small, urbanized, high-salinity estuary located between Myrtle Beach and Georgetown, South Carolina. MAR analysis was performed to identify areas in the estuary that are impacted by human-source fecal pollution. Additionally, regression analysis was performed to determine if an association exists between land use and fecal coliform densities over the ten-year period from 1989 to 1998. Land-use variables were derived using Geographic Information System (GIS) techniques and were used in the regression analysis.MAR analyses were conducted by comparing the frequency and patterns of antibiotic resistance found in Escherichia coli isolates derived from surface water samples and from sewage sources in the Murrells Inlet sewage collection system. The MAR results suggest that the majority of the fecal pollution detected in the Murrells Inlet estuary may be from non-human sources, including fecal coliforms isolated from areas in close proximity to high densities of active septic tanks.A MAR Index, which measures the frequency of antibiotic resistance, was calculated for each of twenty-three water samples and nine sewage samples. The antibiotic resistance pattern comparisons were performed using cluster analysis. Although the MAR indices indicated that several surface water sites had potential human-source contamination, the cluster analysis suggests that only one sampling site had MAR patterns that were similar to those found in the sewage samples. This site was in close proximity to several large pleasure boats as well as a sewage collection system lift station, but was not near areas with active septic tanks. The results of the regression analysis also suggest that sewage sources and rainfall runoff from urbanized areas may contribute to fecal pollution in the estuary. 相似文献
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Ruth E. Alcock Ruth Boumphrey Heath M. Malcolm Daniel Osborn Kevin C. Jones 《Ambio-人类环境杂志》2002,31(3):202-206
1977~1998年间,在苏格兰西部的艾尔萨克雷格对收集到的塘鹅蛋中的多氯联苯(PCB)同类物进行了回顾性分析.对一些年份所收集的塘鹅蛋中每年选择8~10个对其PCB同类物浓度范围分别进行了分析.所有的同类物在几年之内浓度都降在低,但不同的同类物降解速率不同. 相似文献
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Tina Kosjek Noelia Negreira Ester Heath Miren López de Alda Damià Barceló 《Environmental science and pollution research international》2016,23(15):14706-14717
Etoposide susceptibility to microbiological breakdown was studied in a batch biotransformation system, in the presence or absence of artificial wastewater containing nutrients, salts and activated sludge at two concentration levels. The primary focus of the present study was to study etoposide transformation products by ultra-high performance liquid chromatography coupled to high-resolution hybrid quadrupole-Orbitrap tandem mass spectrometry (MS/MS). Data-dependent experiments combining full-scan MS data with product ion spectra were acquired to identify the molecular ions of etoposide transformation products, to propose the molecular formulae and to elucidate their chemical structures. Due to the complexity of the matrix, visual inspection of the chromatograms showed no clear differences between the controls and the treated samples. Therefore, the software package MZmine was used to facilitate the identification of the transformation products and speed up the data analysis. In total, we propose five transformation products; among them, four are described as etoposide transformation products for the first time. Even though the chemical structures of these new compounds cannot be confirmed due to the lack of standards, their molecular formulae can be used to target them in monitoring studies. 相似文献
7.
Justyna Likus-Cieślik Marcin Pietrzykowski Marta Szostak Melanie Szulczewski 《Environmental monitoring and assessment》2017,189(2):87
This work aims to assess the spatial distribution and concentration of sulfur in the topsoil layer and to determine the relationships between sulfur concentration, soil pH, soil electrical conductivity, and plant cover at the reforested site of the former sulfur mine (Southern Poland). Soil samples were collected from 0 to 20 cm (topsoil) from a total of 86 sampling points in a regular square grid with sides of 150 m. Plant cover was assayed in circular plots with an area of 100 m2, divided into a woody plant layer and herbaceous plant layer. Soil properties such as particle size distribution, pH in KCl and H2O, soil electrical conductivity (EC), soil organic carbon (SOC), total nitrogen (NT), and total sulfur (ST) were determined. The degree of soil contamination with sulfur was assessed based on the guidelines of the Institute of Soil Science and Plant Cultivation (IUNG), Poland. The results indicate that remediation and application of lime were not fully effective in spatial variation, because 33 points with sulfur contamination above 500 mg kg?1 were observed. These spots occurred irregularly in the topsoil horizons. This high sulfur concentration in the soil did not result in severe acidification (below 4.5) in all cases, most likely due to neutralization from the application of high doses of flotation lime. High vegetative cover occurred at some points with high soil sulfur concentrations, with two points having S concentration above 40,000 mg kg?1 and tree cover about 60%. Numerous points with high soil EC above 1500 μS cm?1 as well as limited vegetation and high soil sulfur concentrations, however, indicate that the reclamation to forest is still not completely successful. 相似文献
8.
David M. Oliver Nick D. Hanley Melanie van Niekerk David Kay A. Louise Heathwaite Sharyl J. M. Rabinovici Julie L. Kinzelman Lora E. Fleming Jonathan Porter Sabina Shaikh Rob Fish Sue Chilton Julie Hewitt Elaine Connolly Andy Cummins Klaus Glenk Calum McPhail Eric McRory Alistair McVittie Amanna Giles Suzanne Roberts Katherine Simpson Dugald Tinch Ted Thairs Lisa M. Avery Andy J. A. Vinten Bill D. Watts Richard S. Quilliam 《Ambio》2016,45(1):52-62
The use of molecular tools, principally qPCR, versus traditional culture-based methods for quantifying microbial parameters (e.g., Fecal Indicator Organisms) in bathing waters generates considerable ongoing debate at the science–policy interface. Advances in science have allowed the development and application of molecular biological methods for rapid (~2 h) quantification of microbial pollution in bathing and recreational waters. In contrast, culture-based methods can take between 18 and 96 h for sample processing. Thus, molecular tools offer an opportunity to provide a more meaningful statement of microbial risk to water-users by providing near-real-time information enabling potentially more informed decision-making with regard to water-based activities. However, complementary studies concerning the potential costs and benefits of adopting rapid methods as a regulatory tool are in short supply. We report on findings from an international Working Group that examined the breadth of social impacts, challenges, and research opportunities associated with the application of molecular tools to bathing water regulations. 相似文献
9.
Innovative aspects of environmental chemistry and technology regarding air,water, and soil pollution
Katsoyiannis Ioannis A. Lammel Gerhard Samara Constantini Ernst Mathias Wenk Jannis Torretta Vincenzo Voutsa Dimitra Vollertsen Jes Bucheli Thomas D. Godbersen Levke Lambropoulou Dimitra Heath Ester Kallenborn Roland Giannakoudakis Dimitrios Deliyanni Eleni Bandosz Teresa J. Ražić Slavica Samanidou Viktoria Papa Ester Lacorte Silvia Katsoyiannis Athanasios 《Environmental science and pollution research international》2021,28(42):58958-58968
Environmental Science and Pollution Research - 相似文献
10.
Ivančev-Tumbas Ivana Lužanin Zorana Česen Marjeta Bogunović Minja Sekulić Tatjana Djaković Heath David Heath Ester 《Environmental science and pollution research international》2021,28(42):59368-59381
Environmental Science and Pollution Research - This study reports how adding a membrane filter (0.45-μm cellulose nitrate filter) between a glass fibre filter and the solid phase extraction... 相似文献