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  • 1.
    Bakker, Roel H.
    et al.
    Department of Applied Research in Care, University Medical Center Groningen, University of Groningen, The Netherlands.
    Pedersen, Eja
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Bio- och miljösystemforskning (BLESS).
    van den Berg, Godefridus Petrus
    GGD Amsterdam Public Health Service, Amsterdam, The Netherlands.
    Stewart, R.E.
    Department of Community & Occupational Health, University Medical Center Groningen, University of Groningen, The Netherlands.
    Lok, W.
    Department of Applied Research in Care, University Medical Center Groningen, University of Groningen, The Netherlands.
    Bouma, J.
    Department of Health Care, Science shop, University Medical Center Groningen, University of Groningen, The Netherlands.
    Impact of wind turbine sound on annoyance, self-reported sleep disturbance and psychological distress2012Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 425, s. 42-51Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Purpose of the research: The present government in the Netherlands intends to realize a substantial growth ofwind energy before 2020, both onshore and offshore. Wind turbines, when positioned in the neighborhood ofresidents may cause visual annoyance and noise annoyance. Studies on other environmental sound sources,such as railway, road traffic, industry and aircraft noise show that (long-term) exposure to sound can havenegative effects other than annoyance from noise. This study aims to elucidate the relation between exposureto the sound of wind turbines and annoyance, self-reported sleep disturbance and psychological distress ofpeople that live in their vicinity. Data were gathered by questionnaire that was sent by mail to a representativesample of residents of the Netherlands living in the vicinity of wind turbinesPrincipal results: A dose–response relationship was found between immission levels of wind turbine soundand selfreported noise annoyance. Sound exposure was also related to sleep disturbance and psychologicaldistress among those who reported that they could hear the sound, however not directly but with noiseannoyance acting as a mediator. Respondents living in areas with other background sounds were less affectedthan respondents in quiet areas.Major conclusions: People living in the vicinity of wind turbines are at risk of being annoyed by the noise, anadverse effect in itself. Noise annoyance in turn could lead to sleep disturbance and psychological distress. Nodirect effects of wind turbine noise on sleep disturbance or psychological stress has been demonstrated,which means that residents, who do not hear the sound, or do not feel disturbed, are not adversely affected.

  • 2.
    Berglund, Björn
    et al.
    Linköping University, Division of Medical Microbiology, Department of Clinical and Experimental Medicine, Linköping, Sweden.
    Khan, Ghazanfar Ali
    Department of Chemistry, Umeå University, Umeå, Sweden.
    Weisner, Stefan
    Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), Bio- och miljösystemforskning (BLESS), Våtmarkscentrum.
    Ehde, Per Magnus
    Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), Bio- och miljösystemforskning (BLESS), Våtmarkscentrum.
    Fick, Jerker
    Department of Chemistry, Umeå University, Umeå, Sweden.
    Lindgren, Per-Eric
    Linköping University, Division of Medical Microbiology, Department of Clinical and Experimental Medicine, Linköping, Sweden.
    Efficient removal of antibiotics in surface-flow constructed wetlands, with no observed impact on antibiotic resistance genes2014Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 476-477, s. 29-37Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Recently, there have been growing concerns about pharmaceuticals including antibiotics as environmental contaminants. Antibiotics of concentrations commonly encountered in wastewater have been suggested to affect bacterial population dynamics and to promote dissemination of antibiotic resistance. Conventional wastewater treatment processes do not always adequately remove pharmaceuticals causing environmental dissemination of low levels of these compounds. Using constructed wetlands as an additional treatment step after sewage treatment plants have been proposed as a cheap alternative to increase reduction of wastewater contaminants, however this means that the natural microbial community of the wetlands becomes exposed to elevated levels of antibiotics. In this study, experimental surface-flow wetlands in Sweden were continuously exposed to antibiotics of concentrations commonly encountered in wastewater. The aim was to assess the antibiotic removal efficiency of constructed wetlands and to evaluate the impact of low levels of antibiotics on bacterial diversity, resistance development and expression in the wetland bacterial community. Antibiotic concentrations were measured using liquid chromatography-mass spectrometry and the effect on the bacterial diversity was assessed with 16S rRNA-based denaturing gradient gel electrophoresis. Real-time PCR was used to detect and quantify antibiotic resistance genes and integrons in the wetlands, during and after the exposure period. The results indicated that the antibiotic removal efficiency of constructed wetlands was comparable to conventional wastewater treatment schemes. Furthermore, short-term treatment of the constructed wetlands with environmentally relevant concentrations (i.e. 100-2000 ng x 1(-1)) of antibiotics did not significantly affect resistance gene concentrations, suggesting that surface-flow constructed wetlands are well-suited for wastewater treatment purposes. (c) 2014 Elsevier B.V. All rights reserved.

  • 3.
    Nilsson, Josefin E.
    et al.
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Rydberglaboratoriet för tillämpad naturvetenskap (RLAS).
    Liess, Antonia
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Rydberglaboratoriet för tillämpad naturvetenskap (RLAS).
    Ehde, Per Magnus
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Rydberglaboratoriet för tillämpad naturvetenskap (RLAS).
    Weisner, Stefan E.B.
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Rydberglaboratoriet för tillämpad naturvetenskap (RLAS).
    Mature wetland ecosystems remove nitrogen equally well regardless of initial planting2020Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 716, artikkel-id 137002Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Restored and constructed semi-natural wetlands are increasingly used in the agricultural landscape to intercept nutrients from surface waters. Vegetated surface-flow wetlands remove more nitrogen (N) than those without vegetation. However, changes in N removal over time as differently vegetated wetlands progress from early successional stages to mature systems are less investigated. We monitored three different types of initial planting over the course of 12 years, with the aim to examine how planting of newly constructed wetlands affects long-term N removal. All our data were collected in an experimental wetland facility in south-western Sweden. The facility consists of 18 identical small (ca. 25 m2) surface-flow wetlands, simulating semi-natural wetlands in an agricultural landscape. Initially, the 18 wetlands were randomly divided into three treatments (vegetation types) with six replicates each and planted with (1) emergent vegetation, (2) submerged vegetation and (3) no vegetation for free development. Vegetation succession afterwards progressed uninhibited in all wetlands. Emergent vegetation wetlands initially removed more N than both submerged vegetation and free development wetlands. We found that N removal in submerged vegetation and free development wetlands increased with ecosystem age, whereas N removal in emergent vegetation wetlands did not. N removal in all three vegetation types converged when the wetlands reached a more mature state, around 8 years after wetland construction. However, although all wetlands contained emergent vegetation in year 8, the proportion of emergent vegetation cover and vegetation composition still differed substantially between wetland types. Our study indicates that it is not the cover of emergent vegetation per se which promotes higher N removal in more mature wetlands, but the maturation process itself; mature wetlands despite differing emergent vegetation coverage achieved equally high N removal. In conclusion, once wetlands reach maturity, beneficial effects of initial planting on N removal disappear. © 2020 The Authors. Published by Elsevier B.V.

  • 4.
    Pedersen, Eja
    et al.
    Environmental Psychology, Department of Architecture and Built Environment, LTH, Lund University, Sweden.
    Weisner, Stefan
    Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Rydberglaboratoriet för tillämpad naturvetenskap (RLAS).
    Johansson, Maria
    Environmental Psychology, Department of Architecture and Built Environment, LTH, Lund University, Sweden.
    Wetland areas' direct contributions to residents' well-being entitle them to high cultural ecosystem values2019Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 646, s. 1315-1326Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Wetlands in urban areas will be crucial to counteract the effects of climate change, for example, by improving flood protection and regulating local climate. To gain acceptance for larger-scale creation of wetlands, total values must be identified and revealed. Provisioning and regulating ecosystem services can be described as the quantitative effect, but cultural ecosystem services require other assessments. This study sought to determine whether peri-urban and urban wetland areas contribute to the well-being and quality of life of nearby residents, and to capture their value relative to two other types of green areas (i.e., parks and urban forests). A postal questionnaire survey, based on validated environmental psychology instruments, was distributed to residents in three municipalities with wetland areas of different structures and locations. In these municipalities, respondents (n = 474; response rate = 40%) reported that the wetland area contributed to several quality-of-life aspects, such as encountering nature and experiencing beauty. The areas also facilitated activities that support well-being, were perceived to have high restorative qualities, and evoked positive affective responses. All wetland areas were rated high on most of the measured concepts, but their value relative to other green areas differed possibly depending on the accessibility of the wetland and the availability of other green areas. The location and extent to which the wetland area was integrated in the residential area determined what quality-of-life aspects were most satisfied. Wetland areas can be ascribed cultural ecosystem service values based on how residents perceive their contribution to their quality of life. These values can be added to those of provisioning and regulating ecosystem services, forming the basis for planning urban environments. © 2018 The Authors

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