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  • 1
    Call number: 9/M 04.0316
    In: Geological Society special publication
    Description / Table of Contents: Content: Exhumation of the North Atlantic margin: introduction and background, A G Dore, J A Cartwright, M S Stoker, J P Turner and N White Present and past influence of the Iceland Plume on sedimentation, S M Jones, N White, B J Clarke, E Rowley and K Gallagher Timing and mechanisms of North Atlantic Cenozoic uplift: evidence for mantle upwelling, M Rohrman, P A Van Der Beek, R D Van Der Hilst and P Reemst Paleocene initiation of Cenozoic uplift in Norway, S B Nielsen, G E Paulsen, D L Hansen, L Gemmer, O R Clausen, B H Jacobsen, N Balling, M Huuse and K Gallagher A structural transect between the central North Sea Dome and the South Swedish Dome: Middle Jurassic-Quaternary uplift-subsidence reversal and exhumation across the eastern North Sea Basin, O Graversen Cenozoic inversion and uplift of southern Britain, D J Blundell Landforms and uplift in Scandinavia, K Lidmar-Bergstrom and J O Naslund Pattern and timing of the post-Caledonian denudation of northern Scandinavia constrained by apatite fission-track thermochronology, B W H Hendriks and P A M Andriessen Along-slope variation in the late Neogene evolution of the mid-Norwegian margin in response to uplift and tectonism, D Evans, S McGiveron, Z Harrison, P Bryn and K Berg Reconstructing the erosion history of glaciated passive margins: applications of in situ produced cosmogenic nuclide techniques, A P Stroeven, D Fabel, J Harbor, C Hattestrand and J Kleman The thermotectonic development of southern Sweden during Mesozoic and Cenozoic time, C Cederbom Neogene uplift and erosion of southern Scandinavia induced by the rise of the South Swedish Dome, P Japsen, T Bidstrup and K Lidmar-Bergstrom Cenozoic uplift and denudation of southern Norway: insights from the North Sea Basin, M Huuse Tectonic impact on sedimentary processes during Cenozoic evolution of the northern North Sea and surrounding areas, J I Faleide, R Kyrkjebo, T Kjennerud, R H Gabrielsen, H Jordt, S Fanavoll and M D Bjerke Scotland's denudational history: an integrated view of erosion and sedimentation at an uplifted passive margin, A Hall and P Bishop Cenozoic evolution of the Faroe Platform, comparing denudation and deposition, M S Andersen, A B Sorensen, L O Boldreel and T Nielsen Late Neogene development of the UK Atlantic margin, M S Stoker Quantifying exhumation from apatite fission-track analysis and vitrinite reflectance data: precision, accuracy and latest results from the Atlantic margin of NW Europe, P F Green, I R Duddy and K A Hegarty Sonic velocity analysis of the Tertiary denudation of the Irish Sea basin, P D Ware and J P Turner The Post-Variscan thermal and denudational history of Ireland, P A Allen, S D Bennett, M J M Cunningham, A Carter, K Gallagher, E Lazzaretti, J Galewsky, A L Densmore, W E A Phillips, D Naylor and C S Hach Prediction of the hydrocarbon system in exhumed basins, and application to the NW European margin, A G Dore, D V Corcoran and I C Scotchman Geological and geochemical consequences of basin exhumation, and commercial implications, L C Price Diagenesis and fluid flow in response to uplift and exhumation, J Parnell Uplift-related hydrocarbon accumulations: the release of natural gas from groundwater, B Cramer, S Schlomer and H S Poelchau Depressurization of hydrocarbon-bearing reservoirs in exhumed basin settings: evidence from Atlantic margin and borderland basins, D V Corcoran and A G Dore
    Type of Medium: Monograph available for loan
    Pages: 494 S. , Ill., graph. Darst., Kt.
    ISBN: 1862391122
    Series Statement: Geological Society special publication 196
    Classification:
    Deposits
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 329-330 (Jan. 2000), p. 331-338 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0025-1747
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: The case will test two hypotheses regarding three variables influencing the level of employee satisfaction and organizational citizenship at GAMMA, a manufacturer of plastics. Two hypotheses were developed from a review of the literature and initial results from exploratory research (?H1: low employee satisfaction at GAMMA is a direct result of an autocratic leadership style, low trust environment and weak corporate culture; H2: low employee citizenship is a direct result of low employee satisfaction). Results suggest that although the perception was that employee satisfaction and organizational citizenship were low (from the exploratory research); both quantitative and descriptive data indicated these were not. Moreover, the hypotheses were not conclusively supported quantitatively. High trust was not obtained. Also a specific high leadership style and a specific culture resulting in high employee satisfaction were also questionable. Moreover, it was not observed that a strong correlation existed statistically. H1 is therefore not conclusive quantitatively. H2 does not demonstrate a high level of employee citizenship and employee satisfaction correlation. Despite these results, it is recommended management employ the following action plan: do not change current leadership style; develop an action plan to increase trust starting with increasing accessibility of management to employees; develop an action plan to move from current culture to preferred expressed culture starting by rewarding team activity rather than individual activities; improve employee satisfaction even if the observed level is medium to high.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: To determine the structure of human faecal microbiota, faecal samples from 23 healthy individuals were analysed with a similar set of probes targeting six phylogenetic groups using rRNA dot-blot hybridisation and whole cell fluorescent in situ hybridisation (FISH) combined with flow cytometry. When microbiota compositions derived by each method were compared, the results were not statistically different for Clostridium coccoides, Fusobacterium prausnitzii, Bifidobacterium spp. and Enterobacteria. Conversely, the proportions were significantly different for Bacteroides and Atopobium (P〈0.05). The metabolic state of these bacteria within the colon could explain the discrepancy observed between the rRNA level and the actual cell proportion. However, both approaches supplied consistent and complementary information on the structure of the faecal microbiota. FISH combined with flow cytometry appears best suited to future high throughput analysis.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Leprosy is caused by Mycobacterium leprae and affects about 700,000 individuals each year. It has long been thought that leprosy has a strong genetic component, and recently we mapped a leprosy susceptibility locus to chromosome 6 region q25–q26 (ref. 3). Here we investigate ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillian Magazines Ltd.
    Nature 424 (2003), S. 754-757 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The oceans represent a significant sink for atmospheric carbon dioxide. Variability in the strength of this sink occurs on interannual timescales, as a result of regional and basin-scale changes in the physical and biological parameters that control the flux of this greenhouse gas into and out ...
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: This paper presents CO2 flux data from 18 forest ecosystems, studied in the European Union funded EUROFLUX project. Overall, mean annual gross primary productivity (GPP, the total amount of carbon (C) fixed during photosynthesis) of these forests was 1380 ± 330 gC m−2 y−1 (mean ±SD). On average, 80% of GPP was respired by autotrophs and heterotrophs and released back into the atmosphere (total ecosystem respiration, TER = 1100 ± 260 gC m−2 y−1). Mean annual soil respiration (SR) was 760 ± 340 gC m−2 y−1 (55% of GPP and 69% of TER).Among the investigated forests, large differences were observed in annual SR and TER that were not correlated with mean annual temperature. However, a significant correlation was observed between annual SR and TER and GPP among the relatively undisturbed forests. On the assumption that (i) root respiration is constrained by the allocation of photosynthates to the roots, which is coupled to productivity, and that (ii) the largest fraction of heterotrophic soil respiration originates from decomposition of young organic matter (leaves, fine roots), whose availability also depends on primary productivity, it is hypothesized that differences in SR among forests are likely to depend more on productivity than on temperature.At sites where soil disturbance has occurred (e.g. ploughing, drainage), soil espiration was a larger component of the ecosystem C budget and deviated fromthe relationship between annual SR (and TER) and GPP observed among the less-disturbed forests. At one particular forest, carbon losses from the soil were so large, that in some years the site became a net source of carbon to the atmosphere. Excluding the disturbed sites from the present analysis reduced mean SR to 660 ± 290 gC m−2 y−1, representing 49% of GPP and 63% of TER in the relatively undisturbed forest ecosystems.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Simultaneous measurements of net ecosystem CO2 exchange (NEE) were made in a Florida scrub-oak ecosystem in August 1997 and then every month between April 2000 to July 2001, using open top chambers (NEEO) and eddy covariance (NEEE). This study provided a cross validation of these two different techniques for measuring NEE. Unique characteristics of the comparison were that the measurements were made simultaneously, in the same stand, with large replicated chambers enclosing a representative portion of the ecosystem (75 m2, compared to approximately 1–2 ha measured by the eddy covariance system). The value of the comparison was greatest at night, when the microclimate was minimally affected by the chambers. For six of the 12 measurement periods, night NEEO was not significantly different to night NEEE, and for the other periods the maximum difference was 1.1 µmol m−2s−1, with an average of 0.72 ± 0.09 µmol m−2s−1. The comparison was more difficult during the photoperiod, because of differences between the microclimate inside and outside the chambers. During the photoperiod, air temperature (Tair) and air vapour pressure deficits (VPD) became progressively higher inside the chambers until mid-afternoon. In the morning NEEO was higher than NEEE by about 26%, consistent with increased temperature inside the chambers. Over the mid-day period and the afternoon, NEEO was 8% higher that NEEE, regardless of the large differences in microclimate. This study demonstrates both the uses and difficulties associated with attempting to cross validate NEE measurements made in chambers and using eddy covariance. The exercise was most useful at night when the chamber had a minimal effect on microclimate, and when the measurement of NEE is most difficult.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: We report the results of a 2-year study of effects of the elevated (current ambient plus 350 μmol CO2 mol−1) atmospheric CO2 concentration (Ca) on net ecosystem CO2 exchange (NEE) of a scrub–oak ecosystem. The measurements were made in open-top chambers (OTCs) modified to function as open gas-exchange systems. The OTCs enclosed samples of the ecosystem (ca. 10 m2 surface area) that had regenerated after a fire, 5 years before, in either current ambient or elevated Ca. Throughout the study, elevated Ca increased maximum NEE (NEEmax) and the apparent quantum yield of the NEE (φNEE) during the photoperiod. The magnitude of the stimulation of NEEmax, expressed per unit ground area, was seasonal, rising from 50% in the winter to 180% in the summer. The key to this stimulation was effects of elevated Ca, and their interaction with the seasonal changes in the environment, on ecosystem leaf area index, photosynthesis and respiration. The separation of these factors was difficult. When expressed per unit leaf area the stimulation of the NEEmax ranged from 7% to 60%, with the increase being dependent on increasing soil water content (Wsoil). At night, the CO2 effluxes from the ecosystem (NEEnight) were on an average 39% higher in elevated Ca. However, the increase varied between 6% and 64%, and had no clear seasonality. The partitioning of NEEnight into its belowground (Rbelow) and aboveground (Rabove) components was carried out in the winter only. A 35% and 27% stimulation of NEEnight in December 1999 and 2000, respectively, was largely due to a 26% and 28% stimulation of Rbelow in the respective periods, because Rbelow constituted ca. 87% of NEEnight. The 37% and 42% stimulation of Rabove in December 1999 and 2000, respectively, was less than the 65% and 80% stimulation of the aboveground biomass by elevated Ca at these times. An increase in the relative amount of the aboveground biomass in woody tissue, combined with a decrease in the specific rate of stem respiration of the dominant species Quercus myrtifolia in elevated Ca, was responsible for this effect. Throughout this study, elevated Ca had a greater effect on carbon uptake than on carbon loss, in terms of both the absolute flux and relative stimulation. Consequently, for this scrub–oak ecosystem carbon sequestration was greater in the elevated Ca during this 2-year study period.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Termites are an important group of terrestrial insects that harbor an abundant gut microbiota, many of which contribute to digestion, termite nutrition and gas (CH4, CO2 and H2) emission. With 2200 described species, termites also provide a good model to study relationships between host diet and gut microbial community structure and function. We examined the relationship between diet and gut prokaryotic community profiles in 24 taxonomically and nutritionally diverse species of termites by using nucleic acid probes targeting 16S-like ribosomal RNAs. The relative abundance of domain-specific 16S-like rRNAs recovered from gut extracts varied considerably (ranges: Archaea (0–3%); Bacteria (15–118%)). Although Bacteria were always detectable and the most abundant, differences in domain-level profiles were correlated with termite diet, as evidenced by higher relative abundances of Archaea in guts of soil-feeding termites, compared to those of wood-feeding species in the same family. The oligonucleotide probes also readily distinguished gut communities of wood-feeding taxa in the family Termitidae (higher termites) from those of other wood-feeding termite families (lower termites). The relative abundances of 16S-like archaeal rRNA in guts were positively correlated with rates of methane emission by live termites, and were consistent with previous work linking high relative rates of methanogenesis with the soil (humus)-feeding habit. Probes for methanogenic Archaea detected members of only two families (Methanobacteriaceae and Methanosarcinaceae) in termite guts, and these typically accounted for 60% of the all archaeal probe signal. In four species of termites, Methanosarcinaceae were dominant, a novel observation for animal gut microbial communities, but no clear relationship was apparent between methanogen family profiles and termite diet or taxonomy.
    Type of Medium: Electronic Resource
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