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Träfflista för sökning "WFRF:(Edman Gunnar) srt2:(2000-2004)"

Sökning: WFRF:(Edman Gunnar) > (2000-2004)

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  • Dåderman, Anna Maria, 1953-, et al. (författare)
  • Flunitrazepam abuse and personality characteristics inmale forensic psychiatric patients
  • 2001
  • Ingår i: Psychiatry Research. - Goettingen : Elsevier. - 0165-1781 .- 1872-7123. ; 103:1, s. 27-42
  • Tidskriftsartikel (refereegranskat)abstract
    • Sixty male non-psychotic forensic psychiatric patients, aged 16-35 years, were studied after they completed their ordinary forensic psychiatric assessment (FPA). The prevalence of flunitrazepam (FZ) abuse was investigated by using both structured and in-depth interviews with the objective of studying the relationship between the abuse and personality traits. The patient’s characteristics, DSM-IV disorders, and actual sentences were obtained by studying their files. In order to obtain measures on their personality traits, self-report inventories were administered to the patients. Eighteen out of 60 patients were FZ abusers, but only 4 of them received a diagnosis related to the FZ abuse during the ordinary FPA. In almost all cases, however, indications of the FZ abuse were found in the files. No differences in personality traits were found between the groups. The frequency of previous admissions to an FPA and actual sentences of robbery, weapons offenses, narcotic-related offenses, and other crimes, such as theft, among the FZ abusers deviated significantly from forensic non-FZ abusers. Therefore, the FZ abuse per se might be more responsible for their tendency to commit crimes characterized by danger and thrill-seeking, such as robbery, weapons offences, and theft, than personality. The most important conclusion is that assessment of FZ abuse is needed in forensic psychiatry.
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  • Edman, Mattias, et al. (författare)
  • Local dispersal sources strongly affect colonization patterns of wood-decaying fungi on experimental spruce logs
  • 2004
  • Ingår i: Ecological Applications. - : Wiley. - 1051-0761 .- 1939-5582. ; 14:3, s. 893-901
  • Tidskriftsartikel (refereegranskat)abstract
    • Coarse woody debris (CWD) is an important habitat for many species in forest ecosystems. However, forestry has decreased the abundance of CWD so that many wood-dependent species have become threatened. To alleviate this problem, guidelines for a more biodiversity-oriented forestry focus on increasing CWD in managed forests. Unfortunately, how this increase is to be allocated on a landscape scale is not well understood. The present study reports an experiment in which freshly cut logs of varying sizes were placed in stands with contrasting abundance of natural CWD and subsequently varying pools of wood-inhabiting species. The first six years of colonization by wood fungi show that local abundance and composition of the fungal flora strongly influenced colonization. Higher species richness was observed in CWD-rich sites, and several species were more frequent on the experimental logs at CWD-rich sites. The strong within-site effect is interpreted as resulting from high spore deposition from the local species pool. This is supported by spore deposition estimates of Fomitopsis rosea, a red-listed species that only occurred on experimental logs at the CWD-rich sites. F. rosea had a 9-180 times higher spore deposition at the CWD-rich sites compared to the CWD-poor sites. The species richness and composition on small logs differed from that of large logs with higher richness on the latter. The results strongly suggest that restoration efforts would be more efficient if directed toward sites close to CWD-rich sites and that preferably large logs should be created.
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  • Edman, Mattias, et al. (författare)
  • Spatial pattern of downed logs and wood-living fungi in an old-growth spruce forest
  • 2001
  • Ingår i: Journal of Vegetation Science. - 1100-9233 .- 1654-1103. ; 12:5, s. 609-620
  • Tidskriftsartikel (refereegranskat)abstract
    • Since many wood-living forest species are influenced by the dynamics of coarse woody debris (CWD), information about the spatial pattern of CWD under natural conditions is essential to understand species distributions. In this study we examined the spatial pattern of downed logs and wood-decaying fungi in an old-growth boreal Picea abies forest in northwestern Sweden that is governed by gap-phase dynamics. The spatial pattern of wood-decaying fungi was studied to draw conclusions about species dispersal abilities. A total of 684 logs with a diameter 10 cm were mapped and analysed with Ripley's K-function. The distribution of all logs taken together displayed a significant aggregated pattern up to 45 m. The different decay stages also deviated from random expectations. Fairly fresh logs and logs in the middle decay stage were clumped up to about 25 and 35 m respectively, and late decayed logs aggregated up to 95 m. Logs with diameters from 10-29 cm were aggregated up to 25 m, whereas logs ≥30 cm diameter were randomly distributed. The result suggests that gap-dynamics do have an impact on the spatial pattern of the CWD, creating fine-scale clumping. The random distribution of large logs may result from the slightly regular spacing of large living trees. The spatial patterns of 16 species (n 20) of wood-decaying fungi were analysed with Ripley's K-function. Three patterns were aggregated, for Gloeophyllum sepiarium, Coniophora olivacea and Vesiculomyces citrinus. These results indicate that the distribution of most species at the stand level is generally not influenced by dispersal limitations.
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  • Nygren De Boussard, Catharina, et al. (författare)
  • S100 in mild traumatic brain injury
  • 2004
  • Ingår i: Brain Injury. - : Informa UK Limited. - 0269-9052 .- 1362-301X. ; 18:7, s. 671-83
  • Tidskriftsartikel (refereegranskat)abstract
    • PRIMARY OBJECTIVES: To examine the diagnostic value of S100 in mild traumatic brain injury (MTBI). RESEARCH DESIGN: Prospective cohort study. METHODS AND PROCEDURES: S100B, S100A1B and S100BB concentrations were examined in sera from patients with MTBI with an arrival Glasgow Coma Scale score of 15 or 14, patients with orthopaedic injuries and non-injured subjects. MAIN OUTCOME AND RESULTS: Mean values and proportions of subjects above cut-off limits for S100B and S100A1B were significantly higher in each trauma group than in non-injured controls, but only for S100A1B when patients with MTBI were compared with controls with orthopaedic injuries. Using a 97.5 percentile cut-off limit, the sensitivity of S100A1B for MTBI vs orthopaedic injury was 61% (95% confidence interval (CI) 49-73%), specificity 77% (95% CI 62-93%). The area under the ROC curve did not approach 0.9 for any cut off limit. CONCLUSIONS: Diagnostic validity of S100 in acute MTBI was not demonstrated. S100A1B has merits for long-term prognostic studies.
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