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  • 1
    Keywords: Känozoikum ; Vortiefe ; Westeuropa ; Basins (Geology) ; Europe, Western ; Cenozoic ; Europe ; Geology ; Geology, Stratigraphic
    Description / Table of Contents: B. Durand: Foreword / Geological Society, London, Special Publications, 134:vii-viii, doi:10.1144/GSL.SP.1998.134.01.01 --- Alain Mascle and Cai Puigdefàbregas: Tectonics and sedimentation in foreland basins: results from the Integrated Basin Studies project / Geological Society, London, Special Publications, 134:1-28, doi:10.1144/GSL.SP.1998.134.01.02 --- Guadalquivir and Ebro Foreland Basins (Spain) --- M. Fernàndez, X. Berástegui, C. Puig, D. García-Castellanos, M. J. Jurado, M. Torné, and C. Banks: Geophysical and geological constraints on the evolution of the Guadalquivir foreland basin, Spain / Geological Society, London, Special Publications, 134:29-48, doi:10.1144/GSL.SP.1998.134.01.03 --- X. Berástegui, C.J. Banks, C. Puig, C. Taberner, D. Waltham, and M. Fernàndez: Lateral diapiric emplacement of Triassic evaporites at the southern margin of the Guadalquivir Basin, Spain / Geological Society, London, Special Publications, 134:49-68, doi:10.1144/GSL.SP.1998.134.01.04 --- Edward A. Williams, Mary Ford, Jaume Vergés, and Andrea Artoni: Alluvial gravel sedimentation in a contractional growth fold setting, Sant Llorenç de Morunys, southeastern Pyrenees / Geological Society, London, Special Publications, 134:69-106, doi:10.1144/GSL.SP.1998.134.01.05 --- J. Vergés, M. Marzo, T. Santaeulària, J. Serra-Kiel, D. W. Burbank, J. A. Muñoz, and J. Giménez-Montsant: Quantified vertical motions and tectonic evolution of the SE Pyrenean foreland basin / Geological Society, London, Special Publications, 134:107-134, doi:10.1144/GSL.SP.1998.134.01.06 --- Wouter Nijman: Cyclicity and basin axis shift in a piggyback basin: towards modelling of the Eocene Tremp-Ager Basin, South Pyrenees, Spain / Geological Society, London, Special Publications, 134:135-162, doi:10.1144/GSL.SP.1998.134.01.07 --- Anna Travé, Pierre Labaume, Francesc Calvet, Albert Soler, Jordi Tritlla, Martine Buatier, Jean-Luc Potdevin, Michel Séguret, Suzanne Raynaud, and Louis Briqueu: Fluid migration during Eocene thrust emplacement in the south Pyrenean foreland basin (Spain): an integrated structural, mineralogical and geochemical approach / Geological Society, London, Special Publications, 134:163-188, doi:10.1144/GSL.SP.1998.134.01.08 --- French Western Alps --- W. Henry Lickorish and Mary Ford: Sequential restoration of the external Alpine Digne thrust system, SE France, constrained by kinematic data and synorogenic sediments / Geological Society, London, Special Publications, 134:189-211, doi:10.1144/GSL.SP.1998.134.01.09 --- Andrea Artoni and Lawrence D. Meckel III: History and deformation rates of a thrust sheet top basin: the Barrême basin, western Alps, SE France / Geological Society, London, Special Publications, 134:213-237, doi:10.1144/GSL.SP.1998.134.01.10 --- Yann Philippe, Eric Deville, and Alain Mascle: Thin-skinned inversion tectonics at oblique basin margins: example of the western Vercors and Chartreuse Subalpine massifs (SE France) / Geological Society, London, Special Publications, 134:239-262, doi:10.1144/GSL.SP.1998.134.01.11 --- Christian Beck, Eric Deville, Eric Blanc, Yann Philippe, and Marc Tardy: Horizontal shortening control of Middle Miocene marine siliciclastic accumulation (Upper Marine Molasse) in the southern termination of the Savoy Molasse Basin (northwestern Alps/southern Jura) / Geological Society, London, Special Publications, 134:263-278, doi:10.1144/GSL.SP.1998.134.01.12 --- Swiss, German and Austrian Molasse Basin --- Martin Burkhard and Anna Sommaruga: Evolution of the western Swiss Molasse basin: structural relations with the Alps and the Jura belt / Geological Society, London, Special Publications, 134:279-298, doi:10.1144/GSL.SP.1998.134.01.13 --- J. Zweigel, T. Aigner, and H. Luterbacher: Eustatic versus tectonic controls on Alpine foreland basin fill: sequence stratigraphy and subsidence analysis in the SE German Molasse / Geological Society, London, Special Publications, 134:299-323, doi:10.1144/GSL.SP.1998.134.01.14 --- J. Zweigel: Reservoir analogue modelling of sandy tidal sediments, Upper Marine Molasse, SW Germany, Alpine foreland basin / Geological Society, London, Special Publications, 134:325-337, doi:10.1144/GSL.SP.1998.134.01.15 --- Ludwig R. Wagner: Tectono-stratigraphy and hydrocarbons in the Molasse Foredeep of Salzburg, Upper and Lower Austria / Geological Society, London, Special Publications, 134:339-369, doi:10.1144/GSL.SP.1998.134.01.16 --- Numerical Modelling --- Stefan Bornholdt and Hildegard Westphal: Automation of stratigraphic simulations: quasi-backward modelling using genetic algorithms / Geological Society, London, Special Publications, 134:371-379, doi:10.1144/GSL.SP.1998.134.01.17 --- Taco den Bezemer, Henk Kooi, Yuri Podladchikov, and Sierd Cloetingh: Numerical modelling of growth strata and grain-size distributions associated with fault-bend folding / Geological Society, London, Special Publications, 134:381-401, doi:10.1144/GSL.SP.1998.134.01.18 --- B. Andeweg and S. Cloetingh: Flexure and ‘unflexure’ of the North Alpine German-Austrian Molasse Basin: constraints from forward tectonic modelling / Geological Society, London, Special Publications, 134:403-422, doi:10.1144/GSL.SP.1998.134.01.19
    Pages: Online-Ressource (VIII, 427 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1862390150
    Language: English
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  • 2
    ISSN: 1432-1424
    Keywords: Maxi-K channel ; Aortic smooth muscle ; Pyrimidine nucleotides ; UTP ; Proteinkinase C
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The known action of uridine triphosphate (UTP) to contract some types of vascular smooth muscle, and the present finding that it is more potent than adenosine triphosphate in eliciting an increase in cytosolic Ca2+ concentration in aortic smooth muscle, led us to investigate the mode of action of this nucleotide. With this aim, cultured bovine aorta cells were subjected to patch-clamp methodologies under various conditions. Nucleotide-induced variations in cytosolic Ca2+ were monitored by using single channel recordings of the high conductance Ca2+-activated K+ (Maxi-K) channel within on-cell patches as a reporter, and whole-cell currents were measured following perforation of the patch. In cells bathed in Na+-saline, UTP (〉30 nm) induced an inward current, and both Maxi-K channel activity and unitary current amplitude of the Maxi-K channel transiently increased. Repetitive exposures elicited similar responses when 5 to 10 min wash intervals were allowed between challenges of nucleotide. Oscillations in channel activity, but not oscillation in current amplitude were frequently observed with UTP levels 〉 0.1 μm. Cells bathed in K+ saline (150 μ m) were less sensitive to UTP (∼5-fold), and did not show an increase in unitary Maxi-K current amplitude. Since the increase in amplitude occurs due to depolarization of the cell membrane, a change in amplitude was not observed in cells previously depolarized with K+ saline. The enhancement of Maxi-K channel activity in the presence of UTP was not diminished by Ca2+ entry blockers or by removal of extracellular Ca2+. However, in the latter case, repetitive responses progressively declined. These observations, as well as data comparing the action of low concentrations of Ca2+ ionophores (〈5 μm) to that of UTP indicate that both agents elevate cytosolic Ca2+ by mobilization of this ion from intracellular pools. However, the Ca2+ ionophore did not cause membrane depolarization, and thus did not change unitary current amplitude. The effect of UTP on Maxi-K channel activity and current amplitude was blocked by pertussis toxin and by phorbol 12-myristate 13-acetate (PMA), but was not modified by okadaic acid, or by inhibitors of protein kinase C (PKC). Our data support a model in which a pyrimidinergic receptor is coupled to a G protein, and this interaction mediates release of Ca2+ from intracellular pools, presumably via the phosphatidyl inositol pathway. This also results in activation of membrane channels that give rise to an inward current and depolarization. Ultimately, smooth muscle contraction ensues. PKC does not appear to be directly involved, even though the UTP response is blocked by low nm levels of PMA. While the latter data implicate PKC in diminishing the UTP response, agents that inhibit either PKC or phosphatase activity did not prevent abolition of UTP responses by PMA, nor did they modify basal channel activity.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Terra nova 9 (1997), S. 0 
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The western Mediterranean late Oligocene–Miocene basins (Alboran, Valencia and Provençal basins) are a coherent system of interrelated troughs. In all basins normal faults and thermal subsidence migrated toward the east progressively moving to the Miocene-to-Pleistocene Algerian and Tyrrhenian basins. All those troughs appear elements of the back-arc opening related to the eastward roll-back of the W-directed Apennines–Maghrebides subduction zone, similarly to western Pacific back-arc settings.These late Oligocene–early Miocene basins nucleated both within the Betic cordillera (e.g. Alboran sea) and in its foreland (Valencia and Provençal troughs). The N40–70° direction of grabens is oblique to the coexisting N60–80°-trending orogen and shows its structural independence from the orogenic roots. Thus, as the extension cross-cuts the orogen and developed also well outside the thrust belt front, the westernmost basins of the Mediterranean had to develop independently from the Alps-Betics orogen. Therefore, the Alboran extension, considered a classic example of a basin generated by the collapse of an orogen, cannot be ascribed to the detachment or annihilation of the lithospheric root. In contrast with the eastward migrating extensional basins, the Betic-Balearic thrust front was migrating westward producing interference or inversion structures.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Archiv der Mathematik 65 (1995), S. 61-68 
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 5
  • 6
    Publication Date: 2005-11-01
    Print ISSN: 0031-9155
    Electronic ISSN: 1361-6560
    Topics: Biology , Medicine , Physics
    Published by Institute of Physics
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  • 7
  • 8
    Publication Date: 2020-07-03
    Description: Agricultural activities induce micro-topographical changes, soil compaction and structural changes due to soil cultivation, which directly affect ecosystem services. However, little is known about how these soil structural changes occur during and after the planting of orchards, and which key factors and processes play a major role in soil compaction due to cultivation works. This study evaluates the improved stock unearthing method (ISUM) as a low-cost and precise alternative to the tedious and costly traditional core sampling method, to characterize the changes in soil compaction in a representative persimmon orchard in Eastern Spain. To achieve this goal, firstly, in the field, undisturbed soil samples using metallic core rings (in January 2016 and 2019) were collected at different soil depths between 45 paired-trees, and topographic variations were determined following the protocol established by ISUM (January 2019). Our results show that soil bulk density (Bd) increases with depth and in the inter-row area, due to the effect of tractor passes and human trampling. The bulk density values of the top surface layers (0–12 cm) showed the lowest soil accumulation, but the highest temporal and spatial variability. Soil consolidation within three years after planting as calculated using the core samples was 12 mm, whereas when calculated with ISUM, it was 14 mm. The quality of the results with ISUM was better than with the traditional core method, due to the higher amount of sampling points. The ISUM is a promising method to measure soil compaction, but it is restricted to the land where soil erosion does not take place, or where soil erosion is measured to establish a balance of soil redistribution. Another positive contribution of ISUM is that it requires 24 h of technician work to acquire the data, whereas the core method requires 272 h. Our research is the first approach to use ISUM to quantify soil compaction and will contribute to applying innovative and low-cost monitoring methods to agricultural land and conserving ecosystem services.
    Electronic ISSN: 2077-0472
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 9
    Publication Date: 2015-09-29
    Description: Questions Is there any evidence of coordination among leaf, stem and root traits, and thereby of the existence of a plant economics spectrum at the species and community level in Mediterranean forests? Are these traits related to plant size and seed mass? Location Mediterranean forests and shrublands, Sierra Morena mountains, Córdoba, southern Spain. Methods We selected nine woody plant communities along a natural local gradient of soil water and nutrient availability. We measured key leaf, stem, root and whole-plant traits for 38 dominant woody plant species. The variation across species of 15 functional traits (of the leaf, stem and root) was analysed and coordination among them was tested. We explored the relationships between these traits (hereafter ‘resource-use traits’ due to their close association with the acquisition–conservation trade-off) and plant height and seed mass. Finally, we compared results at species level with those calculated at community level, considering community-weighted means (CWMs). Results We found a significant coordination between traits belonging to different plant organs, and propose the existence of a plant economics spectrum in Mediterranean forests along the environmental gradient. However, weaker relationships were found within groups of species under similar environmental conditions. We did not find the expected orthogonal relationships between plant height, seed mass and resource-use traits. Relationships among functional traits were stronger at the community level than at the species level. Conclusions This study reveals a high degree of functional coordination between traits belonging to different plant organs at both species and community level, and suggests the existence of a plant economics spectrum across 38 Mediterranean woody plant species. However, this general trend of functional coordination between organs became weaker or disappeared when considering restricted groups of species belonging to environmentally similar sites (e.g. dry vs wet sites), suggesting that the diversification of strategies within communities is not related to the economics spectrum at a lower spatial scale. Interestingly, the high degree of coordination between resource-use traits and seed mass at the community level seems to support the tolerance–fecundity model, which predicts an inverse relationship between fecundity and stress tolerance. The main novelty of this study comes from the rigorous analysis of coordination among functional traits belonging to different plant organs (leaf, stem and root) related to resource-use strategies. In addition, we compared them with those related with competitive (plant height) and reproductive ability (seed mass). The study was carried out on Mediterranean woody plant communities along an environmental gradient in south Spain.
    Print ISSN: 1100-9233
    Electronic ISSN: 1654-1103
    Topics: Biology
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  • 10
    Publication Date: 2019
    Description: There are many factors involved in the release of CO2 emissions from the soil, such as the type of soil management, the soil organic matter, the soil temperature and moisture conditions, crop phenological stage, weather conditions, residue management, among others. This study aimed to analyse the influence of these factors and their interactions to determine the emissions by evaluating the environmental cost expressed as the kg of CO2 emitted per kg of production in each of the crops and seasons studied. For this purpose, a field trial was conducted on a farm in Seville (Spain). The study compared Conservation Agriculture, including its three principles (no-tillage, permanent soil cover, and crop rotations), with conventional tillage. Carbon dioxide emissions measured across the four seasons of the experiment showed an increase strongly influenced by rainfall during the vegetative period, in both soil management systems. The results of this study confirm that extreme events of precipitation away from the normal means, result in episodes of high CO2 emissions into the atmosphere. This is very important because one of the consequences for future scenarios of climate change is precisely the increase of extreme episodes of precipitation and periods extremely dry, depending on the area considered. The total of emission values of the different plots of the study show how the soils under the conventional system (tillage) have been emitting 67% more than soils under the conventional agriculture system during the 2010/11 campaign and 25% for the last campaign where the most appreciable differences are observed.
    Electronic ISSN: 2071-1050
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI
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