| 1. |
- Aad, G., et al.
(författare)
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Readiness of the ATLAS Tile Calorimeter for LHC collisions
- 2010
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 70:4, s. 1193-1236
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Tidskriftsartikel (refereegranskat)abstract
- The Tile hadronic calorimeter of the ATLAS detector has undergone extensive testing in the experimental hall since its installation in late 2005. The readout, control and calibration systems have been fully operational since 2007 and the detector has successfully collected data from the LHC single beams in 2008 and first collisions in 2009. This paper gives an overview of the Tile Calorimeter performance as measured using random triggers, calibration data, data from cosmic ray muons and single beam data. The detector operation status, noise characteristics and performance of the calibration systems are presented, as well as the validation of the timing and energy calibration carried out with minimum ionising cosmic ray muons data. The calibration systems' precision is well below the design value of 1%. The determination of the global energy scale was performed with an uncertainty of 4%.
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| 2. |
- Aad, G., et al.
(författare)
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Studies of the performance of the ATLAS detector using cosmic-ray muons
- 2011
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 71:3
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Tidskriftsartikel (refereegranskat)abstract
- Muons from cosmic-ray interactions in the atmosphere provide a high-statistics source of particles that can be used to study the performance and calibration of the ATLAS detector. Cosmic-ray muons can penetrate to the cavern and deposit energy in all detector subsystems. Such events have played an important role in the commissioning of the detector since the start of the installation phase in 2005 and were particularly important for understanding the detector performance in the time prior to the arrival of the first LHC beams. Global cosmic-ray runs were undertaken in both 2008 and 2009 and these data have been used through to the early phases of collision data-taking as a tool for calibration, alignment and detector monitoring. These large datasets have also been used for detector performance studies, including investigations that rely on the combined performance of different subsystems. This paper presents the results of performance studies related to combined tracking, lepton identification and the reconstruction of jets and missing transverse energy. Results are compared to expectations based on a cosmic-ray event generator and a full simulation of the detector response.
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| 3. |
- Aad, G., et al.
(författare)
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The ATLAS Inner Detector commissioning and calibration
- 2010
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 70:3, s. 787-821
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Tidskriftsartikel (refereegranskat)abstract
- The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data-taking with single LHC beams and cosmic rays. The initial detector operation, hardware commissioning and in-situ calibrations are described. Tracking performance has been measured with 7.6 million cosmic-ray events, collected using a tracking trigger and reconstructed with modular pattern-recognition and fitting software. The intrinsic hit efficiency and tracking trigger efficiencies are close to 100%. Lorentz angle measurements for both electrons and holes, specific energy-loss calibration and transition radiation turn-on measurements have been performed. Different alignment techniques have been used to reconstruct the detector geometry. After the initial alignment, a transverse impact parameter resolution of 22.1 +/- 0.9 mu m and a relative momentum resolution sigma (p) /p=(4.83 +/- 0.16)x10(-4) GeV(-1)xp (T) have been measured for high momentum tracks.
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| 4. |
- Aad, G., et al.
(författare)
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The ATLAS Simulation Infrastructure
- 2010
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 70:3, s. 823-874
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Tidskriftsartikel (refereegranskat)abstract
- The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid. This simulation requires many components, from the generators that simulate particle collisions, through packages simulating the response of the various detectors and triggers. All of these components come together under the ATLAS simulation infrastructure. In this paper, that infrastructure is discussed, including that supporting the detector description, interfacing the event generation, and combining the GEANT4 simulation of the response of the individual detectors. Also described are the tools allowing the software validation, performance testing, and the validation of the simulated output against known physics processes.
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| 5. |
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| 6. |
- Bengtsson, Kenneth, et al.
(författare)
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Så kan Sverige bli ledande nation i resurseffektivitet
- 2016
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Ingår i: Dagens Nyheter. - 1101-2447. ; :2016-04-30
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Ny rapport. Det svenska näringslivet kan bli mer hållbart, resurssmart och därmed internationellt konkurrenskraftigt. Men för det behövs en tydlig politisk avsiktsförklaring och riktlinjer. Vi har listat sex områden där policyutveckling brådskar, skriver företrädare för näringsliv, forskning och myndigheter i en gemensam uppmaning.
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| 7. |
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| 8. |
- Aad, G., et al.
(författare)
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Commissioning of the ATLAS Muon Spectrometer with cosmic rays
- 2010
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 70:3, s. 875-916
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Tidskriftsartikel (refereegranskat)abstract
- The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their alignment, the detector control system, the data acquisition and the analysis programs. We present the performance in the relevant parameters that determine the quality of the muon measurement. We discuss the single element efficiency, resolution and noise rates, the calibration method of the detector response and of the alignment system, the track reconstruction efficiency and the momentum measurement. The results show that the detector is close to the design performance and that the Muon Spectrometer is ready to detect muons produced in high energy proton-proton collisions.
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| 9. |
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| 10. |
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| 11. |
- Aad, G., et al.
(författare)
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The ATLAS Experiment at the CERN Large Hadron Collider
- 2008
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Ingår i: Journal of Instrumentation. - 1748-0221. ; 3:S08003
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Forskningsöversikt (refereegranskat)abstract
- The ATLAS detector as installed in its experimental cavern at point 1 at CERN is described in this paper. A brief overview of the expected performance of the detector when the Large Hadron Collider begins operation is also presented.
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| 12. |
- Andersson, Erik, et al.
(författare)
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Cost-effectiveness of internet-based cognitive behavior therapy for irritable bowel syndrome: results from a randomized controlled trial
- 2011
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Ingår i: BMC Public Health. - : BioMed Central. - 1471-2458. ; 11:215
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Tidskriftsartikel (refereegranskat)abstract
- Background: Irritable Bowel Syndrome (IBS) is highly prevalent and is associated with a substantial economic burden. Cognitive behavior therapy (CBT) has been shown to be effective in treating IBS. The aim of this study was to evaluate the cost-effectiveness of a new treatment alternative, internet-delivered CBT based on exposure and mindfulness exercises. Methods: Participants (N = 85) with IBS were recruited through self-referral and were assessed via a telephone interview and self-report measures on the internet. Participants were randomized to internet-delivered CBT or to a discussion forum. Economic data was assessed at pre-, post- and at 3-month and 1 year follow-up. Results: Significant cost reductions were found for the treatment group at $16,806 per successfully treated case. The cost reductions were mainly driven by reduced work loss in the treatment group. Results were sustained at 3-month and 1 year follow-up. Conclusions: Internet-delivered CBT appears to generate health gains in IBS treatment and is associated with cost-savings from a societal perspective.
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| 13. |
- Andersson, Erik, et al.
(författare)
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Internet-based cognitive behavior therapy for obsessive compulsive disorder: A pilot study
- 2011
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Ingår i: BMC Psychiatry. - : BioMed Central. - 1471-244X. ; 11:125
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Tidskriftsartikel (refereegranskat)abstract
- Background: Cognitive behavior therapy (CBT) is widely regarded as an effective treatment for obsessive compulsive disorder (OCD), but access to CBT therapists is limited. Internet-based CBT (ICBT) with therapist support is a way to increase access to CBT but has not been developed or tested for OCD. The aim of this study was to evaluate ICBT for OCD. less thanbrgreater than less thanbrgreater thanMethod: An open trial where patients (N = 23) received a 15-week ICBT program with therapist support consisting of psychoeducation, cognitive restructuring and exposure with response prevention. The primary outcome was the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), which was assessed by a psychiatrist before and immediately after treatment. Secondary outcomes were self-rated measures of OCD symptoms, depressive symptoms, general functioning, anxiety and quality of life. All assessments were made at baseline and post-treatment. less thanbrgreater than less thanbrgreater thanResults: All participants completed the primary outcome measure at all assessment points. There were reductions in OCD symptoms with a large within-group effect size (Cohens d = 1.56). At post-treatment, 61% of participants had a clinically significant improvement and 43% no longer fulfilled the diagnostic criteria of OCD. The treatment also resulted in statistically significant improvements in self-rated OCD symptoms, general functioning and depression. less thanbrgreater than less thanbrgreater thanConclusions: ICBT with therapist support reduces OCD symptoms, depressive symptoms and improves general functioning. Randomized trials are needed to confirm the effectiveness of this new treatment format.
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| 14. |
- Andreou, Dimitrios, et al.
(författare)
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Cardiac left ventricular ejection fraction in men and women with schizophrenia on long-term antipsychotic treatment
- 2020
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Ingår i: Schizophrenia Research. - : Elsevier BV. - 0920-9964 .- 1573-2509. ; 218, s. 226-232
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Tidskriftsartikel (refereegranskat)abstract
- Patients with schizophrenia exhibit a higher cardiovascular mortality compared to the general population which has been attributed to life-style factors, genetic susceptibility and antipsychotic medication. Recent echocardiographic studies have pointed to an association between clozapine treatment and reduced left ventricular ejection fraction (LVEF), a measure that has been inversely associated with adverse outcomes including all-cause mortality. Cardiovascular magnetic resonance (CMR) is considered the reference method for LVEF measurement. The aim of the present study was to investigate the LVEF in patients with schizophrenia on long-term treatment with antipsychotics and healthy controls. Twenty-nine adult patients with schizophrenia on long-term medication with antipsychotics and 27 age-, sex- and body mass index-matched healthy controls (mean ages 44 and 45 years, respectively) were recruited from outpatient psychiatric clinics in Uppsala, Sweden. The participants were interviewed and underwent physical examination, biochemical analyses, electrocardiogram and CMR. Men with schizophrenia on long-term antipsychotic treatment showed significantly lower LVEF than controls (p = 0.0076), whereas no such difference was evident among women (p = 0.44). Specifically, clozapine-treated male patients had 10.6% lower LVEF than male controls (p = 0.0064), whereas the LVEF was 5.5% below that of controls among male patients treated with non-clozapine antipsychotics (p = 0.047). Among medicated men with schizophrenia, we found significantly lower LVEF compared to healthy individuals, suggesting the need of routine cardiac monitoring in this patient group. This is the first study showing a significant negative association between treatment with non-clozapine antipsychotics and LVEF.
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| 15. |
- Arvidsson, Björn, et al.
(författare)
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Online capillary solid phase extraction and liquid chromatographic separation with quantitative tandem mass spectrometric detection (SPE-LC-MS/MS) of ximelagatran and its metabolites in a complex matrix.
- 2009
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Ingår i: Journal of chromatography. B. - : Elsevier BV. - 1570-0232 .- 1873-376X. ; 877:3, s. 291-297
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Tidskriftsartikel (refereegranskat)abstract
- This work presents the development and validation of a fully automated quantitative analysis method of melagatran, its prodrug ximelagatran, and its major metabolites for the study of drug behavior in biofluids. The method involves online sample clean-up and enrichment on a C4 capillary column followed by separation on a capillary C18 column. Electrospray ionization tandem mass spectrometric detection in positive ion mode was performed with multiple reactions monitoring of eight different transients, divided into two time segments with four transients each. The structural similarity, the complexity of the matrix (pig liver extract) and the formation of isobaric fragment ions, made efficient chromatographic separation necessary. The analysis method provides valid accuracy (<9%; RSD%), precision (<8%; RSD%), linearity (<1.2 nM–1 μM; R2 > 0.999), limit of quantitation (<3.6 nM), retention repeatability (<1.2%; RSD%), selectivity, as well as analyte and column stabilities over a wide concentration range.
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| 16. |
- Bialik, Erik, et al.
(författare)
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Ionization of Cellobiose in Aqueous Alkali and the Mechanism of Cellulose Dissolution
- 2016
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Ingår i: The Journal of Physical Chemistry Letters. - : American Chemical Society. - 1948-7185. ; 7:24, s. 5044-5048
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Tidskriftsartikel (refereegranskat)abstract
- Cellulose, one of the most abundant renewable resources, is insoluble in most common solvents but dissolves in aqueous alkali under a narrow range of conditions. To elucidate the solubilization mechanism, we performed electrophoretic NMR on cellobiose, a subunit of cellulose, showing that cellobiose acts as an acid with two dissociation steps at pH 12 and 13.5. Chemical shift differences between cellobiose in NaOH and NaCl were estimated using 2D NMR and compared to DFT shift differences upon deprotonation. The dissociation steps are the deprotonation of the hemiacetal OH group and the deprotonation of one of four OH groups on the nonreducing anhydroglucose unit. MD simulations reveal that aggregation is suppressed upon charging cellulose chains in solution. Our findings strongly suggest that cellulose is to a large extent charged in concentrated aqueous alkali, a seemingly crucial factor for solubilization. This insight, overlooked in the current literature, is important for understanding cellulose dissolution and for synthesis of new sustainable materials.
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| 17. |
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| 18. |
- Bäckstrand, Jenny, 1979-, et al.
(författare)
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A method for customer-driven purchasing
- 2013
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Ingår i: Operations Management at the Heart of the Recovery. - : International Annual EurOMA Conference.
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Konferensbidrag (refereegranskat)
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| 19. |
- Cavefors, Oscar, et al.
(författare)
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Regional left ventricular systolic dysfunction associated with critical illness: incidence and effect on outcome
- 2021
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Ingår i: Esc Heart Failure. - : Wiley. - 2055-5822. ; 8:6, s. 5415-5423
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Tidskriftsartikel (refereegranskat)abstract
- Aims Left ventricular (LV) dysfunction can be triggered by non-cardiac disease, such as sepsis, hypoxia, major haemorrhage, or severe stress (Takotsubo syndrome), but its clinical importance is not established. In this study, we evaluate the incidence and impact on mortality of LV dysfunction associated with critical illness. Methods and results In this single-centre, observational study, consecutive patients underwent an echocardiographic examination within 24 h of intensive care unit (ICU) admission. LV systolic dysfunction was defined as an ejection fraction (EF) < 50% and/or regional wall motion abnormalities (RWMA). A cardiologist assessed patients with LV dysfunction for the presence of an acute or chronic cardiac disease, and coronary angiography was performed in high-risk patients. Of the 411 patients included, 100 patients (24%) had LV dysfunction and in 52 (13%) of these patients, LV dysfunction was not attributed to a cardiac disease. Patients with LV dysfunction and non-cardiac disease had higher mortality risk score (Simplified Acute Physiologic Score 3 score), heart rate, noradrenaline doses, and lactate levels as well as decreased EF, stroke volume, and cardiac output compared with patients with normal LV function. Diagnoses most commonly associated with LV dysfunction and non-cardiac disease were sepsis, respiratory insufficiency, major haemorrhage, and neurological disorders. RWMA (n = 40) with or without low EF was more common than global hypokinesia (n = 12) and was reversible in the majority of cases. Twelve patients had a circumferential pattern of RWMA in concordance with Takotsubo syndrome. Crude 30 day mortality was higher in patients with LV dysfunction and non-cardiac disease compared with patients with normal LV function (33% vs. 18%, P = 0.023), but not after risk adjustment (primary outcome) {odds ratio [OR] 1.56 [confidence interval (CI) 0.75-3.39], P = 0.225}. At 90 days, crude mortality was 44% and 22% (P = 0.002), respectively, in these groups. This difference was also significant after risk adjustment [OR 2.40 (CI 1.18-4.88), P = 0.016]. Conclusions Left ventricular systolic dysfunction is commonly triggered by critical illness, is frequently seen as regional hypokinesia, and is linked to an increased risk of death. The prognostic importance of LV dysfunction in critical illness might be underestimated.
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| 20. |
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| 21. |
- Degerman, Erik, et al.
(författare)
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Effekter av kalkning på fisk i rinnande vatten : Resultat från 30 år av elfisken i kalkade vattendrag
- 2015
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- I denna rapport har vi utvärderat effekten av kalkning på fisk i vattendrag på nationell nivå med fokus på perioden 1982–2012. Uppgifter om kalkdoser, kalkningsmetoder, vattenkemi och elfiskedata från 609 vattendrag över hela Sverige har använts. Sammanlagt ingick 1029 elfiskelokaler från kalkade vatten och 195 lokaler från okalkade referensvattendrag (totalt 17 492 elfisketillfällen). Referensvattendragen har utgående från pH och alkalinitet indelats i sura, neutrala och kalkrika. Totalt fångades 38 fiskarter, 2 kräftarter och 2 fiskhybrider vid elfiskena. Den vanligaste arten var öring som erhölls vid 90 % av elfisketillfällena, därefter kom elritsa (33 %) och stensimpa (24 %). Den vattenkemiska effekten har inte utvärderats närmare, men det förelåg en tydlig effekt på pH av kalkning och efter 5-8 års kalkning var lägsta uppmätta pH signifikant över 6,0 som medelvärde för samtliga kalkade vatten. Andelen tillfällen med sura episoder (pH <6,0 respektive pH <5,6) minskade över tid. De vattendrag där det var svårast att upprätthålla pH över 5,6 hade små avrinningsområden (<10 km2), låg andel sjö och en låg kalkdos. Kalkning med doserare uppvisade en högre frekvens av sura episoder jämfört med sjö- och våtmarkskalkning. Efter ett antal år fungerade doserarkalkningen bättre, ofta efter att den kombinerats med våtmarkskalkning. Resultaten från 30 års elfisken visar att kalkningsverksamheten successivt har nått förväntade resultat. Antalet fångade fiskarter ökade signifikant efter kalkstart och efter 13-16 år hade antalet nått nivån i neutrala referenser. På de kalkade lokalerna ökade 13 av 14 undersökta arter i förekomst och 8 av dessa signifikant: abborre, bergsimpa, braxen, gädda, lake, lax, mört och öring. Andel elfisketillfällen med konstaterad reproduktion, dvs. förekomst av årsungar, ökade signifikant efter kalkning och nådde samma nivåer som i neutrala referenser för öring, lax, stensimpa, elritsa, gädda, lake och mört. För öring tog det över 12 år efter kalkstart innan reproduktionen motsvarade den i neutrala referenser. Den ekologiska statusen förbättrades signifikant. Sju år efter påbörjad kalkning uppnåddes en signifikant förändring i ekologisk status och efter tolv år visade medelvärdet för lokalerna på god ekologisk status. Sammantaget visade resultaten på en normalisering av fiskfaunan på kalkade lokaler. Genomgående var fiskfaunan signifikant skild från den i sura referenser och blev med tiden alltmer lik den i neutrala referenser, men var fortfarande klart skild från den i kalkrika referenser. Det var tydligt att återkolonisationen av arter tog lång tid, vilket innebär att kalkningsverksamheten måste vara långsiktig. På lokaler med vattenkemisk provtagning minst fyra gånger under året undersöktes effekten av årets lägsta uppmätta pH på fisk. I neutrala referensvattendrag konstaterades reproduktion av öring vid i medeltal 82,8 % av elfisketillfällena. I kalkade vattendrag ökade andelen tillfällen med öringreproduktion med uppmätt lägsta pH. Ett lägsta pH på 5,6-5,9 låg i underkant för en reproduktion som i neutrala referenser, medan ett lägsta pH på 6,0-6,2 låg i överkant. Även för flera andra arter ökade andelen elfisketillfällen då reproduktion konstaterades med ökat lägsta uppmätta pH, t ex för elritsa, lax och simpor (berg- och stensimpa sammantaget). För elritsa krävdes ett lägsta pH på 6,0-6,2 för att nå reproduktion som i neutrala referenser, för simpor krävdes över 6,2. Ekologisk status är ett index som visar om fiskfaunan liknar den i opåverkade vatten. Medelvärdet för ekologisk status i neutrala referenser var 0,52. På kalkade lokaler där lägsta uppmätta pH under året understeg 6,0 var den ekologiska statusen signifikant lägre än i neutrala referenser. På kalkade lokaler som hade ett uppmätt lägsta pH på minst 6,0 var den ekologiska statusen högre och likvärdig med den i neutrala referenser. Vår slutsats är att i försurade vattendrag innebär ett mål för lägsta pH på 5,6 en betydande risk att en normaliserad fiskfauna inte uppnås. Vi anser att målet för kalkningsverksamheten ska vara en normalisering av flora och fauna och utgående från fisk bör lägsta tillåtna pH därför sättas till minst 6,0.
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| 22. |
- Degerman, Erik, et al.
(författare)
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Long term trends of fish after liming of Swedish streams and lakes
- 2016
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Ingår i: Atmospheric Environment. - : Elsevier BV. - 1352-2310. ; 146, s. 245-251
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Tidskriftsartikel (refereegranskat)abstract
- Thousands of Swedish acidified lakes and streams have been regularly limed for about 30 years. Standard sampling of fish assemblages in lakes and streams was an important part of monitoring the trends after liming, i.e. sampling with multi-mesh gillnets in lakes (EN 14757) and electrofishing in streams (EN 14011). Monitoring data are nationally managed, in the National Register of Survey test-fishing and the Swedish Electrofishing Register. We evaluated long-term data from 1029 electrofishing sites in limed streams and gillnet sampling in 750 limed lakes, along with reference data from 195 stream sites and 101 lakes with no upstream liming in their catchments. The median year of first liming was 1986 for both streams and lakes. The proportion of limed stream sites with no fish clearly decreased with time, mean species richness and proportion of sites with brown trout (Salmo trutta) recruits increased. There were no consistent trends in fish occurrence or species richness at non-limed sites, but occurrence of brown trout recruits also increased in acid as well as neutral reference streams. Abundance of brown trout, perch (Perca fluviatilis) and roach (Rutilus rutilus) increased significantly more at limed sites than at non-limed reference sites sampled before and after 1986. The mean species richness did not change consistently in limed lakes, but decreased in low alkalinity reference lakes, and fish abundance decreased significantly in limed as well as in non-limed lakes.
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| 23. |
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| 24. |
- Edo, Mar, et al.
(författare)
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Assessment of chemical and material contamination in waste wood fuels : a case study ranging over nine years
- 2016
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Ingår i: Waste Management. - : Elsevier. - 0956-053X .- 1879-2456. ; 49, s. 311-319
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Tidskriftsartikel (refereegranskat)abstract
- The increased demand for waste wood (WW) as fuel in Swedish co-combustion facilities during the last years has increased the import of this material. Each country has different laws governing the use of chemicals and therefore the composition of the fuel will likely change when combining WW from different origins. To cope with this, enhanced knowledge is needed on WW composition and the performance of pre-treatment techniques for reduction of its contaminants. In this study, the chemical and physical characteristics of 500 WW samples collected at a co-combustion facility in Sweden between 2004 and 2013 were investigated to determine the variation of contaminant content over time. Multivariate data analysis was used for the interpretation of the data. The concentrations of all the studied contaminants varied widely between sampling occasions, demonstrating the highly variable composition of WW fuels. The efficiency of sieving as a pre-treatment measure to reduce the levels of contaminants was not sufficient, revealing that sieving should be used in combination with other pre-treatment methods. The results from this case study provide knowledge on waste wood composition that may benefit its management. This knowledge can be applied for selection of the most suitable pre-treatments to obtain high quality sustainable WW fuels.
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| 25. |
- Eriksen, Jon, et al.
(författare)
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The Blue Move for a Green Economy : Mulighetsstudie for hydrogen produksjon,industri, lagring og distribusjon
- 2017
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Blue Move har utarbeidet en rapport som belyser 12 ulike muligheter for produksjon, industri, lagring og distribusjon av hydrogen i ØKS-regionen.Rapporten belyser ogs viktigheten av lav elavgift for hydrogenproduksjon gjennom beregninger gjort for en nyetablert hydrogenstasjon.Interreg-prosjektet Blue Move arbeider for å fremme økt bruk av fornybar energi som erstatning for fossile drivstoff i ØKS-regionen. Mulighetsstudien som er samlet i denne rapporten ser nærmere på hvilke produksjonsmetoder som er mest relevante, relatert til tilgjengelig fornybar kraft. Videre beskriver den hvordan hydrogenet kan anvendes utover veitransport, og på hvilken måte det kan ha betydning for veitransport at det også kommer andre anvendelsesområder.
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