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  • Fisheries
  • Geology
  • Life and Medical Sciences
  • 2000-2004  (64)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Agriculture and human values 17 (2000), S. 125-139 
    ISSN: 1572-8366
    Keywords: Environment ; Fisheries ; Fordism ; Nation-State ; Regulation ; Supranational State ; Transnational corporations ; Transnational State
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This analysis uses an analytical frameworkgrounded in political economy perspectives of theglobalization of the agro-food sector combined with acase study approach focusing on the Marine StewardshipCouncil (MSC) to inform discussions regarding thecharacteristics of societal regulation in thepost-Fordist era. More specifically, this analysisuses the case of the emergence of the MSC toinvestigate propositions regarding the existence of,and location of, nascent forms of a transnationalState. The MSC proposes to regulate the certificationof sustainable fisheries at the global level throughan eco-labeling program. The MSC was created in 1996by the transnational environmental organization theWorld Wildlife Fund and the transnational corporationUnilever. The emergence of the MSC has generatedheated discussion in fisheries management circles thatis in general divided along North/South lines. Thisanalysis indicates that the case of the MSC providesvaluable insights into the possible characteristics ofsupranational regulatory mechanisms that might emulatethe role of the nation-State in the post-Fordist era.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental geology 39 (2000), S. 1169-1180 
    ISSN: 1432-0495
    Keywords: Key words Geochemistry ; Geology ; Hydrogeology ; Hydrothermal waters ; Isotopes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract  Curuksu is a low temperature hydrothermal system located within the upper sector of the B. Menderes Graben. The hydrologic structure of the Curuksu hydrothermal system is largely controlled by major graben faults where it is characterized by the presence of two thermal reservoirs. One is formed by Paleozoic quartzite, schist and marble units, and the second consists of Pliocene limestone-travertine units. The thermal conditions in the Curuksu region indicate that the regional tectonics and resulting local stress field control low temperatures activity. Temperatures of 30 springs emerging in the study area range between 15 and 55  °C. These springs are classified as cold fresh, warm mineral and thermal waters. Pamukkale, Karahayıt and Honaz springs are steam condensate waters, whereas Curuksu springs are commonly steam-heated waters with respect to the major anion concentrations. The reservoir temperatures have been estimated from chemical compositions by utilizing simultaneously, geothermometers and mixing models. According to these thermometric methods, the most probable subsurface temperature is in the range of 62–90  °C. However, the mixing models suggest a temperature level of 80  °C for the parent water. The system has low total dissolved solid (TDS) of ∼1000–1500 mg/l, which indicate that these waters undergo conductive cooling within the reservoir.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1439-863X
    Keywords: Key words Major ions ; Stream waters ; Water-rock interaction ; Geology ; Mapping ; Median Tectonic Line ; Nagano Prefecture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Major ion concentrations were determined for a large number of stream water samples collected from the mountainous area around the Median Tectonic Line (MTL) in the mid to southern part of Nagano Prefecture, Japan. The MTL, a major fault in the accretionary sedimentary complex to Japan Arc, extending linearly in the east–west direction in southwest Japan, bends in this area to south–north along the Akaishi Mountain chain. To the east of the MTL are, in order, Jurassic metamorphic rocks, including black/green schists and ultra-basic serpentinite (Sambagawa-Mikabu Belt); Jurassic mudstone with voluminous chert and calcite (Chichibu Belt); and Cretaceous sandstone (Shimanto Belt). On the other hand, on the west side of the MTL, Cretaceous granitic rocks (including tonalite and quartzdiorite) intruded and significantly metamorphosed the Jurassic sedimentary systems (Ryoke-Belt). In this area, more than 200 water samples were collected from small streams. Ion concentrations were analyzed by ion chromatography, whereby higher ion concentrations relatively rich in Mg2+ and Ca2+ and lower concentrations relatively rich in Na+ were obvious for the streams in Sambagawa-Mikabu, Chichibu, and Ryoke Belts, respectively. These tendencies could be explained by whole rock analysis on XRF (X-ray fluorescence spectrometry) as well as by a preliminary leaching experiment of the powdered rock samples with water. The results strongly suggested that the analytical data of the major ions in the stream waters might be compiled into a hydrogeochemical map, corresponding to the geological map.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of engineering geology and the environment 59 (2000), S. 87-97 
    ISSN: 1435-9537
    Keywords: Key words Vaiont ; Ancient landslide ; Geology ; Geomorphology ; Mots clés Vaiont ; Glissement ancien ; Géologie ; Géomorphologie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Résumé À cause de la longue période écoulée depuis le glissement du Vaiont en 1963, et de l'intérít renouvelé autour de ce phénoméne complexe, on a décidé de réexaminer cette longue histoire en utilisant aussi des documents inédits (photos et ecrits) de la période 1958–1963. Ici on décrit, en particulier, les aspects géologiques et géomorphologiques de la zone en question, dans le but díexpliquer comment, depuis 1959 déjà on avait décelé sur le flanc gauche de la Vallée du Vaiont un ancien glissement. La connaissance de la complexité géologique locale et des risques potentiels qu'elle présentait, ont été dans cette periode étroitement liés aux choix décidés par la Société SADE et par la Société Nationale d'Élctricité (ENEL). On a formulé ici une hypothése pour expliquer comment ce désastre a pu réellement se produire. Sur l'interprétation de ce glissement, toujours objet de recherches et de discussions, on présente ici les principaux travaux, dont la plus grande partie est basée sur l'hypothése de E. Semenza. Toutefois, à distance de presque 30 ans, beaucoup de questions sont encore sans réponses complétes, et pour cela deviennent une source d'intérêt, ce qui stimule de nombreux chercheurs.
    Notes: Abstract  In view of the length of time that has elapsed since the 1963 Vaiont landslide and the recent renewed interest in this complex phenomenon, it was decided to look back over its history through unpublished documents and pictures of that period (1958–1963). Particular attention was paid to the geological and geomorphological features in order to explain how, since 1959, an ancient landslide has been identified on the left side of the Vaiont valley. The Vaiont landslide has been the subject of much research and discussion and as more than 30 years later many questions are still open, it is a source of stimulus for many researchers. The paper considers the main interpretative studies undertaken to date and proposes an hypothesis of what may really have happened.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Environment, development and sustainability 2 (2000), S. 277-304 
    ISSN: 1573-2975
    Keywords: Systems of Knowledge ; Local Knowledge ; Fisheries ; Resource Management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Sociology
    Notes: Abstract During the last 20 years, the existence of rich systems of local knowledge, and their vital support to resource use and management regimes, has been demonstrated in a wide range of biological, physical and geographical domains, such as agriculture, animal husbandry, forestry and agroforestry, medicine, and marine science and fisheries. Local knowledge includes empirical and practical components that are fundamental to sustainable resource management. Among coastal-marine fishers, for example, regular catches and, often, long-term resource sustainment are ensured through the application of knowledge that encompasses empirical information on fish behaviour, marine physical environments, fish habitats and the interactions among ecosystem components, as well as complex fish taxonomies. Local knowledge is therefore an important cultural resource that guides and sustains the operation of customary management systems. The sets of rules that compose a fisheries management system derive directly from local concepts and knowledge of the resources on which the fishery is based. Beyond the practical and the empirical, it is essential to recognise the fundamental socio-cultural importance of local knowledge to any society. It is through knowledge transmission and socialisation that worldviews are constructed, social institutions perpetuated, customary practices established, and social roles defined. In this manner, local knowledge and its transmission, shape society and culture, and culture and society shape knowledge. Local knowledge is of great potential practical value. It can provide an important information base for local resources management, especially in the tropics, where conventionally-used data are usually scarce to non-existent, as well as providing a shortcut to pinpoint essential scientific research needs. To be useful for resources management, however, it must be systematically collected and scientifically verified, before being blended with complementary information derived from Western-based sciences. But local knowledge should not be looked on with only a short-term utilitarian eye. Arguments widely accepted for conserving biodiversity, for example, are also applicable to the intellectual cultural diversity encompassed in local knowledge systems: they should be conserved because their utility may only be revealed at some later date or owing to their intrinsic value as part of the world's global heritage. At least in cultures with a Western liberal tradition, more than lip-service is now being paid to alternative systems of knowledge. The denigration of alternative knowledge systems as backward, inefficient, inferior, and founded on myth and ignorance has recently begun to change. Many such practices are a logical, sophisticated and often still-evolving adaptation to risk, based on generations of empirical experience and arranged according to principles, philosophies and institutions that are radically different from those prevailing in Western scientific circles, and hence all-but incomprehensible to them. But steadfastly held prejudices remain powerful. In this presentation I describe the 'design principles' of local knowledge systems, with particular reference to coastal-marine fishing communities, and their social and practical usefulness. I then examine the economic, ideological and institutional factors that combine to perpetuate the marginalisation and neglect of local knowledge, and discuss some of the requirements for applying local knowledge in modern management.
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  • 6
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    In:  J. Geophys. Res., Hannover, Conseil de l'Europe, vol. 107, no. B10, pp. ETG 10-1 to ETG 10-10, pp. 2241, (ISSN: 1340-4202)
    Publication Date: 2002
    Keywords: Geodesy ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Inelastic ; Rheology ; Subduction zone ; 7209 ; Seismology: ; Earthquake ; dynamics ; and ; mechanics ; 3040 ; Marine ; Geology ; and ; Geophysics: ; Plate ; tectonics ; (8150, ; 8155, ; 8157, ; 8158) ; 8150 ; Tectonophysics: ; Plate ; boundary--general ; (3040) ; 7230 ; Seismology: ; Seismicity ; and ; seismotectonics ; JGR
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  • 7
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    In:  J. Geophys. Res., Amsterdam, Schweizerbart'sche Verlagsbuchhandlung, vol. 107, no. B10, pp. ECV 6-1-ECV 6-17, pp. 2223, (ISSN 0016-8548, ISBN 3-510-50045-8)
    Publication Date: 2002
    Description: We use laboratory experiments and numerical models to quantify the effects of dike interaction on the focusing of magma as it ascends in the upper mantle. Laboratory experiments involve injecting buoyant fluid into the base of a tank filled with solidified gelatin. When we initiate two dikes parallel to each other, but separated by a horizontal distance x, they tend to merge as they ascend. This behavior is also predicted by numerical models of two-dimensional dikes. The key parameters that control the maximum horizontal separation x c over which dikes will intersect are dike driving pressures, dike head lengths L (i.e., the length over which driving pressure is large), and the difference between the principal stresses of the remote stress field. When the remote differential stress is small compared to the dike driving pressure, two dikes of equal driving pressure and length will intersect over distances of x c ? L. This distance decreases with increasing remote differential stress. We quantify the effects on magma transport from a broad lateral distribution of magma using numerical simulations of multiple-dike interaction. When the average dike spacing prior to interaction is within ?3 L and remote differential stresses are insignificant, dike interaction can focus magma over horizontal distances many times L but at least ?6 L. Dike interaction can focus magma in the asthenosphere beneath mid-ocean ridges for low mantle viscosities (?10 19 Pa s) and if dikes initiate with average separations of a few hundred meters, or less. Such focusing is predicted to grow dikes of increasing magma flux approaching lateral separations of a kilometer.
    Keywords: Fluids ; Plate tectonics ; ascent ; sheeted ; dykes ; Modelling ; JGR ; 8434 ; Volcanology: ; Magma ; migration ; 8145 ; Tectonophysics: ; Physics ; of ; magma ; and ; magma ; bodies ; 8120 ; Dynamics ; of ; lithosphere ; and ; mantle--general ; 3035 ; Marine ; Geology ; and ; Geophysics: ; Midocean ; ridge ; processes
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  • 8
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    In:  Tectonics, Warszawa, Conseil de l'Europe, vol. 21, no. 5, pp. 10-1 to 10-17, pp. 1046, (ISSN: 1340-4202)
    Publication Date: 2002
    Keywords: Fault zone ; Greece ; 3025 ; Marine ; Geology ; and ; Geophysics: ; Marine ; seismics ; (0935) ; 8010 ; Structural ; Geology: ; Fractures ; and ; faults ; 8105 ; Tectonophysics: ; Continental ; margins ; and ; sedimentary ; basins ; 8107 ; Continental ; neotectonics ; 8123 ; Dynamics, ; seismotectonic
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  • 9
    Publication Date: 2002
    Keywords: Structural geology ; rifting ; Fault zone ; Volcanology ; 8010 ; Structural ; Geology: ; Fractures ; and ; faults ; 8150 ; Tectonophysics: ; Plate ; boundary ; general ; (3040) ; 3035 ; Marine ; Geology ; and ; Geophysics: ; Midocean ; ridge ; processes ; 9325 ; Information ; Related ; to ; Geographic ; Region: ; Atlantic ; Ocean ; JGR ; Gljufura
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  • 10
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    In:  Geophys. Res. Lett., Oxford and Edinburgh, Blackwell Scientific Publications, vol. 29, no. 10, pp. 122-1 to 122-4, pp. 1484, (ISBN: 0534351875, 2nd edition)
    Publication Date: 2002
    Keywords: Earthquake ; Tsunami(s) ; Modelling ; GRL ; Hebert ; Schindele ; 3020 ; Marine ; Geology ; and ; Geophysics: ; Littoral ; processes ; 4255 ; Oceanography: ; General: ; Numerical ; modeling ; 4564 ; Physical: ; Tsunamis ; and ; storm ; surges ; 9355 ; Information ; Related ; to ; Geographic ; Region: ; Pacific ; Ocean ; SRICHWALSKI
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