Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Toward a mental systems approach to human relationships with wildlife: the role of emotional dispositions
    Jacobs, M.H. ; Vaske, J.J. ; Roemer, J.M. - \ 2012
    Human Dimensions of Wildlife 17 (2012)1. - ISSN 1087-1209 - p. 4 - 15.
    Emotions toward wildlife are basic and important determinants of relationships with wildlife. Addressing emotional dispositions—criteria against which the emotional relevance of objects or situations is appraised—could foster the study of emotions toward wildlife in connection with cognitions. This article reviews various approaches to the study of emotions, gives an account of the working of emotions, and discusses the nature and properties of emotional dispositions. Emotional dispositions are relatively stable traits. Research has identified a limited set of general emotional dispositions that are employed to judge situations (including situations involving wildlife): (a) novelty, (b) valence, (c) conduciveness to goals, (d) agency, and (e) compatibility with standards. Emotional dispositions toward various species of wildlife can be innate or learned. It is largely unknown which emotional dispositions humans have toward which species; answering this question should be a primary topic for future research
    Approaches to analyse interactions of climate change, acidification and ozone
    Ierland, E.C. van; Ignaciuk, A. ; Kroeze, C. ; Brink, C. ; Schmieman, E. ; Builtjes, P. ; Roemer, M. ; Mayerhofer, P. - \ 2002
    Wageningen [etc.] : Wageningen University [etc.] - ISBN 9789058510860 - 129
    luchtverontreiniging - klimaatverandering - verzuring - eutrofiëring - ozon - interacties - wiskundige modellen - dynamische modellen - milieuwetenschappen - ozonlaag - air pollution - climatic change - acidification - eutrophication - ozone - interactions - mathematical models - dynamic models - environmental sciences - ozone layer
    Approaches to analyse interactions of climate change, acidification and ozone
    Ierland, E.C. van; Ignaciuk, A. ; Kroeze, C. ; Brink, C. ; Schmieman, E. ; Builtjes, P. ; Roemer, M. ; Mayerhofer, P. - \ 2002
    Bilthoven : NOP (New methodologies to analyse interactions of climate change, acidification and ozone 954277) - ISBN 9789058510860 - 130 p.
    Inhomogeneity in response to air pollution in European children (PEACE project)
    Roemer, W. ; Clench-Aas, J. ; Englert, N. ; Hoek, G. ; Katsouyanni, K. ; Pekkanen, J. ; Brunekreef, B. - \ 1999
    Occupational and Environmental Medicine 56 (1999). - ISSN 1351-0711 - p. 86 - 92.
    Chronic respiratory symptoms: skin test results and lung function as predictors of acute respiratory symptoms.
    Timonen, K.L. ; Schwartz, J. ; Nielsen, J. ; Gotti, A. ; Vondra, V. ; Gratziou, C. ; Giaever, P. ; Roemer, W. ; Brunekreef, B. - \ 1998
    American Journal of Respiratory and Critical Care Medicine 157 (1998). - ISSN 1073-449X - p. A642 - A642.
    Different responses on air pollution within panels of the PEACE study.
    Roemer, W. ; Hoek, G. ; Brunekreef, B. ; Schouten, J.P. ; Baldini, G. ; Clench-Aas, J. ; Englert, N. ; Fischer, P. ; Forsberg, B. ; Haluszka, J. ; Kalandidi, A. - \ 1998
    American Journal of Respiratory and Critical Care Medicine 157 (1998). - ISSN 1073-449X - p. A878 - A878.
    Daily variations in air pollution and respiratory health in a multicentre study: the PEACE project.
    Roemer, W. ; Hoek, G. ; Brunekreef, B. ; Haluszka, J. ; Kalandidi, A. ; Pekkanen, J. - \ 1998
    European Respiratory Journal 12 (1998)6. - ISSN 0903-1936 - p. 1354 - 1361.
    The Pollution Effects on Asthmatic Children in Europe (PEACE) study is a multicentre study of the acute effects of particles with a 50% cut-off aerodynamic diameter of 10 μm (PM10), black smoke (BS), sulphur dioxide (SO2) and nitrogen dioxide (NO2) on the respiratory health of children with chronic respiratory symptoms. The study was conducted in the winter of 1993/1994 by 14 research centres in Europe. A total of 2,010 children, divided over 28 panels in urban and suburban locations, was followed for at least 2 months. Exposure to air pollution was monitored on a daily basis. Health status was monitored by daily peak expiratory flow (PEF) measurements and a symptom diary. The association between respiratory health and air pollution levels was calculated with time series analysis. Combined effect estimates of air pollution on PEF or the daily prevalence of respiratory symptoms and bronchodilator use were calculated from the panel-specific effect estimates. Fixed effect models were used and, in cases of heterogeneity, random effect models. No clear associations between PM10, BS, SO2 or NO2 and morning PEF, evening PEF, prevalence of respiratory symptoms or bronchodilator use could be detected. Only previous day PM10 was negatively associated with evening PEF, but only in locations where BS was high compared to PM10 concentrations. There were no consistent differences in effect estimates between subgroups based on urban versus suburban, geographical location or mean levels of PM10, BS, SO2 and NO2. The lack of association could not be attributed to a lack of statistical power, low levels of exposure or incorrect trend specifications. In conclusion, the PEACE project did not show effects of particles with a 50% cutoff aerodynamic diameter of 10 μm, black smoke, sulphur dioxide or nitrogen dioxide on morning or evening peak expiratory flow or the daily prevalence of respiratory symptoms and bronchodilator use.
    The PEACE project: general discussion.
    Roemer, W. ; Hoek, G. ; Brunekreef, B. ; Schouten, J.P. ; Baldini, G. ; Clench-Aas, J. ; Englert, N. ; Fischer, P. ; Forsberg, B. ; Haluszka, J. ; Kalandidi, A. - \ 1998
    European Respiratory Review 52 (1998). - ISSN 0905-9180 - p. 125 - 130.
    Effect of short-term changes in urban air pollution on the respiratory health of children with chronic respiratory symptoms: the PEACE project: introduction.
    Roemer, W. ; Hoek, G. ; Brunekreef, B. ; Schouten, J.P. ; Baldini, G. ; Clench-Aas, J. ; Englert, N. ; Fischer, P. ; Forsberg, B. ; Haluszka, J. ; Kalandidi, A. - \ 1998
    European Respiratory Review 52 (1998). - ISSN 0905-9180 - p. 4 - 11.
    Air pollution and respiratory health of children: the PEACE panel study in Teplice, Czech Republic.
    Kotesovec, F. ; Vitnerova, N. ; Leixner, M. ; Benes, I. ; Skoorkovsky, J. ; Roemer, W. - \ 1998
    European Respiratory Review 8 (1998)52. - ISSN 0905-9180 - p. 70 - 77.
    As part of a multicentre study (the Pollution Effects on Asthmatic Children in Europe (PEACE) project) the acute effects of air pollution on the health of susceptible children was investigated. Eighty nine children in the urban and 77 children in the rural area were followed during the study period (January-March 1994). The urban area, Teplice, is located in the northern part of the Czech Republic and due to a high concentration of industry has heavily polluted air. Prachatice, in the south of the Czech Republic, served as a control because of substantially lower levels of air pollution. Ambient air pollution (SO2, NO2, NO, NO(x), particles with a 50% cut-off aerodynamic diameter of 10 μm (PM10), black smoke) was measured daily. Peak expiratory flow (PEF) was measured in the morning and evening during the whole testing period. A diary concerning respiratory symptoms was filled in every day by the parents of each child involved in the study. In the urban area, no significant adverse relationship between the parameters being followed and air pollution was found. The statistically significant improvement of some parameters by increased air pollution was unexpected, but may have been caused by increased bronchodilator use. Nevertheless, a slight nonsignificant tendency towards decreasing PEF values with increasing air pollution was observed in the rural area. Prevalence analysis suggested a relationship between air pollution and cough and phlegm in the urban area. No clear effect of air pollution on respiratory health could be demonstrated.
    Air pollution and respiratory health of children: the PEACE panel study in Athens, Greece.
    Kalandidi, A. ; Gratziou, C. ; Katsouyanni, K. ; Manalis, N. ; Tzala, L. ; Pantazopoulou, A. ; Efthimiou, M. ; Roussos, C. ; Roemer, W. - \ 1998
    European Respiratory Review 52 (1998). - ISSN 0905-9180 - p. 117 - 124.
    Association between PM10 and decrements of peak expiratory flow rates in children: reanalysis of data from five panel studies.
    Hoek, G. ; Dockery, D.W. ; Pope, A. ; Neas, L. ; Roemer, W. ; Brunekreef, B. - \ 1998
    European Respiratory Journal 11 (1998). - ISSN 0903-1936 - p. 1307 - 1311.
    Air pollution and respiratory health of children: the PEACE panel study in Krakow., Poland.
    Haluszka, J. ; Pisiewics, K. ; Miczynski, J. ; Roemer, W. ; Tomalak, W. - \ 1998
    European Respiratory Review 8 (1998)52. - ISSN 0905-9180 - p. 94 - 100.
    The Krakow panel study was performed as part of the Pollution Effects on Asthmatic Children in Europe (PEACE) project. The aim of the study was to examine the acute effects of short-term changes in air pollution on symptomatic children. Krakow served as the urban area and Rabka, a small health resort 70 km south of Krakow, as the control area. In the first stage, two panels of children (86 from urban and 80 from control area) were selected according to relevant answers to a screening questionnaire. For 12 winter weeks a diary study was performed. Children measured their peak expiratory flow twice a day and made notes on respiratory signs and symptoms, as well as on medication use. Monitoring stations collected data on air pollution in both areas for the same 12 weeks. Multivariate regression models did not show a consistent relationship between air pollution and peak expiratory flow or with respiratory symptom prevalence or incidence. No effect of air pollution could be established.
    Air pollution and respiratory health of children: the PEACE panel study in Umea., Sweden.
    Forsberg, B. ; Segerstedt, B. ; Stjernberg, N. ; Roemer, W. - \ 1998
    European Respiratory Review 8 (1998)52. - ISSN 0905-9180 - p. 12 - 19.
    The Pollution Effects on Asthmatic Children in Europe (PEACE) study examined the acute effects of short-term changes in air pollution on symptomatic children. We were one of 14 research centres in Europe that used a common study protocol. Seventy five children in an urban panel and 72 children in a control panel, selected with a screening questionnaire, were characterized with lung function tests and skin-prick tests and followed in a 12 week diary study. Identical air quality monitoring stations were set up in our two study areas. The levels and ranges in concentrations for all air pollution indices were small. A negative correlation was seen between time spent outdoors and pollution levels, which may have weakened the correlation between personal exposure and outdoor concentrations and obscured any effect of air pollution. No consistent pattern of relations between air pollution and adverse effects were found, but particulates and nitrogen dioxide tended to be associated with a nonsignificant increase in symptoms and medication use on the same day. No clear effect of air pollution on respiratory health could be demonstrated.
    Air pollution and respiratory health of children: the PEACE study in Oslo, Norway.
    Clench-Aas, J. ; Bartonova, A. ; Skjonsberg, O.H. ; Leegaard, J. ; Hagen, L.O. ; Giaever, P. ; Moseng, J. ; Roemer, W. - \ 1998
    European Respiratory Review 8 (1998)52. - ISSN 0905-9180 - p. 36 - 43.
    As a part of the Pollution Effects on Asthmatic Children in Europe (PEACE) investigation, a 10 week panel study was conducted in Oslo, Norway, from December 1, 1993 to February 14, 1994. Of the 180 children recruited, 125 satisfactorily filled out a daily diary for the entire period, in addition to measuring peak expiratory, flow (PEF) twice daily. The children fulfilled the common PEACE selection criteria for having shown symptoms of lower airways disease. In Norway, geographic and climatic considerations led to choosing the control and urban sites slightly differently from other countries. The urban half of the population of school-age children was selected from those living in the city centre at low altitude whereas the control group lived in the regions surrounding the city, at higher elevations, usually above the winter inversion layer. This led to higher concentrations in the urban region as compared to the control, of particles with a 50% cut-off aerodynamic diameter of 10 μm (PM10) (period average of 19.3 vs 11.2 μg.m-3), black smoke (period average of 27.6 vs 13.1 μg.m-3), NO2 (period average of 49.3 vs 20.8 μg.m-3) and SO2 (period average of 12.4 vs 3.4 μg.m-3). The statistical multivariate, autoregressive time-series based analysis showed no consistent adverse relationship between symptom incidence, prevalence, bronchodilator use or PEF and air pollution exposure in children in Oslo. For symptom prevalence, however, some positive correlations were present, indicative of an adverse effect of pollution exposure, especially to SO2. The prevalence of phlegm in the control population was positively associated with exposure to all compounds. PEF showed conflicting results with both negative and positive associations, yet giving an indication of a slight adverse effect of particles and NO/NO2. Most adverse associations of air pollution with health parameters were found in the control population. In conclusion, no clear effects of air pollution could be seen on peak expiratory flow or medication use. The control panel tended to react more strongly to air pollution levels.
    Panel studies for investigating the acute health effects of air pollution.
    Brunekreef, B. ; Hoek, G. ; Roemer, W. ; Zee, S. van der - \ 1998
    European Respiratory Review 8 (1998). - ISSN 0905-9180 - p. 131 - 134.
    Home dampness and respiratory health status in European children.
    Andriessen, J.W. ; Roemer, W. ; Brunekreef, B. - \ 1998
    Clinical and Experimental Allergy 28 (1998). - ISSN 0954-7894 - p. 1191 - 1200.
    Living in a damp home has been associated with impaired respiratory health in previous studies, but objective data on lung function variability and atopy have been lacking from most studies. Data collected in the winter of 1993-1994 in the framework of the PEACE study (Pollution Effects on Asthmatic Children in Europe) were used to study the association between home dampness and Peak Flow (PEF) variability, frequency of respiratory symptoms and relief medication use during the period of observation. Children were selected with a screening questionnaire on the basis of positive answers to questions on symptoms of asthma and chronic cough. Children were instructed to perform PEF measurements with Miniwright PEF meters twice daily over a period of 2 months. Parents kept diaries on respiratory symptoms and medication use of their children. Data on demographic and housing characteristics were derived from a parent-administered questionnaire. As indicators for home dampness reported moisture stains and moulds were used. Children were tested for atopy with skin-prick tests. Data from 1614 children from 13 centres in 10 different countries were available for analysis. Linear regression models and prevalence rate ratios were used to investigate the association between home dampness and PEF variability and the period prevalence of cough, phlegm, lower and upper respiratory symptoms and bronchodilator use. In atopic children, PEF variability was positively related to self-reported moulds but not to moisture stains. The period prevalence of cough and upper respiratory symptoms was significantly higher in children living in houses with reported moulds, compared with 'dry' homes. These results show that self-reported moulds in homes are associated with objective as well as subjective markers of airway lability in European children with chronic respiratory symptoms.
    Pollution effects on asthmatic children in Europe : the PEACE study
    Roemer, W. - \ 1998
    Agricultural University. Promotor(en): B. Brunekreef; G. Hoek. - S.l. : Roemer - ISBN 9789054859611 - 143
    luchtverontreiniging - astma - kinderen - europa - air pollution - asthma - children - europe

    This thesis is based upon the 'Pollution Effects on Asthmatic Children in Europe (PEACE)' study. The PEACE study is a multi-centre study of the acute effects of particles with a 50% cut-off aerodynamic diameter of 10 µm (PM 10 ), Black Smoke (BS), SO 2 and NO 2 on respiratory health of children with chronic respiratory symptoms. The aims of the PEACE study were to obtain comparable data on particle concentrations during winter time in various urban and non urban locations in Europe, to assess the relationship between short term fluctuations in air pollution and short term fluctuations in respiratory health in children with chronic respiratory symptoms, to evaluate if medical characteristics of the subjects are related to differences in response to air pollution and to evaluate if the composition of the particles is related to the response to air pollution.

    The study was conducted in the winter of 1993-1994 by 14 research centres in Europe. 2010 children, divided over 28 panels in urban and suburban locations were followed during at least two months. Exposure to air pollution was monitored on a daily basis. Health status was monitored by daily Peak Expiratory Flow (PEF) measurements and a symptom diary. The association between respiratory health and air pollution levels was calculated with time series analysis, adjusting for time trends, temperature and day of the week.

    The difference of particle concentrations across countries appeared to be considerably larger than the difference between the urban and suburban location within countries. PM 10 and BS concentrations in the urban area were on average 22% and 43% higher than the corresponding suburban area concentrations respectively. PM 10 concentrations from all Western and Central European locations were significantly correlated in time. No clear associations between PM 10 , BS, SO 2 or NO 2 and morning PEF, evening PEF, prevalence of respiratory symptoms or bronchodilator use could be detected. There were no consistent differences in effect estimates between subgroups based on urban vs. suburban, geographical location or mean levels of PM 10 , BS, SO 2 and NO 2 . None of the predefined potentially more sensitive subgroups showed a consistent association between air pollution, PEF and respiratory symptoms. Daily concentrations of most elemental concentrations in PM 10 were not associated with daily variation in PEF or prevalence of respiratory symptoms or bronchodilator use. However, daily iron and silicon concentrations were related to daily phlegm prevalence.

    No clear relation could be established between changes in PM 10 , BS, SO 2 or NO 2 and changes in respiratory health. This lack of response is not in agreement with earlier studies with comparable levels of exposure to particulate matter. Concentrations of iron and silicon in PM 10 were associated with prevalence of phlegm and were a better predictor of health effects than PM 10 mass concentrations.

    Eindrapportag.
    Zee, S. van der; Hoek, G. ; Roemer, W. ; Janssen, N. ; Harssema, H. ; Brunekreef, B. ; Boezen, M. ; Kerkhof, M. ; Vonk, J. ; Schouten, J. ; Postma, D. ; Gerritsen, J. - \ 1997
    Unknown Publisher - 79 p.
    Chronic respiratory symptoms, skin test results, and lung function as predictors of peak flow variability.
    Timonen, K.L. ; Nielsen, J. ; Schwartz, J. ; Gotti, A. ; Vondra, V. ; Gratziou, C. ; Giaever, P. ; Roemer, W. ; Brunekreef, B. - \ 1997
    American Journal of Respiratory and Critical Care Medicine 156 (1997). - ISSN 1073-449X - p. 776 - 782.
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