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Exhumation of the North Atlantic Margin : Timing, Mechanisms and Implications for Petroleum Exploration (2002)

Geological Society (London, U.K.) ; Dor´, A. G. ; Cartwright, J. A. ; [et al.]

London : The Geological Society

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Description / Table of Contents: Northwest Europe has undergone repeated episodes of exhumation (the exposure of formerly buried rocks) due to such factors as post-orogenic unroofing, rift-shoulder uplift, hotspot activity, compressive tectonics, eustatic sea-level change, glaciation and isostatic readjustment. The main observational legacy of this exhumation around the North Atlantic is preserved in the comparatively young (Mesozoic and Cenozoic) geological record of this region. Despite a rapid increase in the understanding of the exhumation of this area, there are still many unknowns: the relative intensity of the various phases and their geographical variation; mechanisms of uplift; primary causes of exhumation. Tied to these problems is the larger-scale question of whether the circum-North Atlantic is unique or whether its behaviour is typical for passive margins. There have been several attempts in recent years to bring together researchers to address these questions, but these have often focused on one particular geographical area or one particular exhumation phase. Before an integrated story can emerge, disciplines that have traditionally remained apart need to come together: geomorphology and offshore seismic interpretation; Palaeogene and Neogene studies; Scandinavian and British-Irish research schools. This volume represents a first step in this direction by providing an inter-disciplinary set of studies over a wide latitudinal range of the NW European margin. The studies presented here are based on a variety of techniques that have been employed to address the main concerns of North Atlantic exhumation history, including timing, mechanisms and the sedimentary response of the continental margin. The 25 papers presented in this volume have

Pages: Online-Ressource (494 Seiten)

ISBN: 1862391122

URL: http://sp.lyellcollection.org/content/196/1.toc

Language: English

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RIGID-Resistivity Instrument for Ground Ice Detection. First Aurora Student Design Contest, ESA. Universitat Politecnica de Catalunya, Barcelona (Spain) 8-9 September 2003 (2003)

De Pascale, G. ; Haltigin, T. ; Lantuit, Hugues ; [et al.]

In: EPIC3.

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Publication Date: 2019-07-17

Repository Name: EPIC Alfred Wegener Institut

Type: Conference , notRev

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Corporate Governance of Banks in Developing Economies: concepts and issues (2004)

Arun, T. G. ; Turner, J. D.

Oxford, UK : Blackwell Publishing Ltd.

Corporate governance 12 (2004), S. 0

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ISSN: 1467-8683

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Political Science , Economics

Notes: This paper discusses the corporate governance of banking institutions in developing economies. This is an important issue given the essential role that banks play in the financial systems of developing economies and the widespread banking reforms that these economies have implemented. Based on a theoretical discussion of the corporate governance of banks, we suggest that banking reforms can only be fully implemented once a prudential regulatory system is in place. An integral part of banking reforms in developing economies is the privatisation of banks. We suggest that corporate governance reforms may be a prerequisite for the successful divestiture of government ownership. Furthermore, we also suggest that the increased competition resulting from the entrance of foreign banks may improve the corporate governance of developing-economy banks.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1467-8683.2004.00378.x

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An extragalactic supernebula confined by gravity (2003)

Beck, S. C. ; Crosthwaite, L. P. ; Larkin, J. E. ; [et al.]

[s.l.] : Macmillian Magazines Ltd.

Nature 423 (2003), S. 621-623

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ISSN: 1476-4687

Source: Nature Archives 1869 - 2009

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Notes: [Auszug] Little is known about the origins of globular clusters, which contain hundreds of thousands of stars in a volume only a few light years across. Radiation pressure and winds from luminous young stars should disperse the star-forming gas and disrupt the formation of the cluster. Globular clusters ...

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1038/nature01689

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Determination of deoxynivalenol and nivalenol chemotypes of Fusarium culmorum isolates from England and Wales by PCR assay (2004)

Jennings, P. ; Coates, M. E. ; Turner, J. A. ; [et al.]

Oxford, UK : Blackwell Science Ltd

Plant pathology 53 (2004), S. 0

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ISSN: 1365-3059

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Functioning Tri13 and Tri7 genes are required for the production of nivalenol and 4-acetyl nivalenol, respectively, in Fusarium species producing type B trichothecenes. Mutations have been identified in isolates which are able to produce deoxynivalenol (DON) but unable to convert this to nivalenol (NIV). In such isolates of Fusarium culmorum, the Tri7 gene is deleted entirely. PCR assays specific for functional and nonfunctional/deleted versions of Tri7 and Tri13 were used to determine the ability of 153 single spore isolates of F. culmorum to produce the 8-ketotrichothecenes deoxynivalenol and nivalenol. The isolates were collected from 76 different locations across England and Wales between 1994 and 2002. Four isolates were also obtained from one field in Scotland. Both DON and NIV chemotypes of F. culmorum were identified, with DON chemotypes predominating overall. In addition, all DON chemotypes were shown to produce 3-acetyl DON using primer sets developed to Tri3. From fields where more than one F. culmorum isolate was obtained, isolates were not exclusively of a single chemotype. Differences in the distribution of DON and NIV chemotypes were identified, with a greater proportion of NIV chemotypes present in the south and west of England and Wales, whereas a greater proportion of DON chemotypes were found in the north and east of England. Seasonal differences in the ratio of DON:NIV chemotypes were indicated. However, these were related to seasonal variation in the distribution of F. culmorum.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.0032-0862.2004.00985.x

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Predicting light leaf spot (Pyrenopeziza brassicae) risk on winter oilseed rape (Brassica napus) in England and Wales, using survey, weather and crop information (2004)

Welham, S. J. ; Turner, J. A. ; Gladders, P. ; [et al.]

Oxford, UK : Blackwell Science Ltd

Plant pathology 53 (2004), S. 0

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ISSN: 1365-3059

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Data from surveys of winter oilseed rape crops in England and Wales in growing seasons with harvests in 1987–99 were used to construct statistical models to predict, in autumn (October), the incidence of light leaf spot caused by Pyrenopeziza brassicae on winter oilseed rape crops the following spring (March/April), at both regional and individual crop scales. Regions (groups of counties) with similar seasonal patterns of incidence (percentage of plants affected) of light leaf spot were defined by using principal coordinates analysis on the survey data. At the regional scale, explanatory variables for the statistical models were regional weather (mean summer temperature and mean monthly winter rainfall) and survey data for regional light leaf spot incidence (percentage of plants with affected pods) in July of the previous season. At the crop scale, further explanatory variables were crop cultivar (light leaf spot resistance rating), sowing date (number of weeks before/after 1 September), autumn fungicide use and light leaf spot incidence in autumn. Risk of severe light leaf spot (〉 25% plants affected) in a crop in spring was also predicted, and uncertainty in predictions was assessed. The models were validated using data from spring surveys of winter oilseed rape crops in England and Wales from 2000 to 2003, and reasons for uncertainty in predictions for individual crops are discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-3059.2004.01105.x

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Determination of deoxynivalenol- and nivalenol-producing chemotypes of Fusarium graminearum isolated from wheat crops in England and Wales (2004)

Jennings, P. ; Coates, M. E. ; Walsh, K. ; [et al.]

Oxford, UK : Blackwell Science Ltd

Plant pathology 53 (2004), S. 0

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ISSN: 1365-3059

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Fusarium graminearum, one of the causal agents of fusarium head blight (FHB) of wheat in the UK, can be broadly divided into two chemotypes based on the production of the 8-ketotrichothecenes deoxynivalenol (DON) and nivalenol (NIV). DON-producing isolates can be further distinguished on the basis of the predominant acetyl DON derivative that they produce; 3-acetyl DON (3-AcDON) or 15-acetyl DON (15-AcDON). Functional Tri13 and Tri7 are required for the production of NIV and 4-acetyl NIV, respectively, whereas, in isolates that produce only DON and its acetylated derivatives, these genes are nonfunctional or absent. Infections caused by F. graminearum are becoming more frequent in the UK; however, it is unknown whether these represent more than one chemotype. In this study, polymerasae chain reaction (PCR) assays specific for functional and nonfunctional/deleted versions of Tri7 and Tri13 were used to characterize 101 single-spore isolates of Fusarium graminearum as DON or NIV chemotypes. Primer sets developed to Tri3 were used to classify DON chemotypes further by the acetyl derivative produced (3-AcDON or 15-AcDON). Isolates were collected from 65 fields located around England and Wales between 1997 and 2002. All three chemotypes were identified from the F. graminearum population of England and Wales, with 15-AcDON chemotypes predominating overall. All isolates characterized as 3- or 15-AcDON chemotypes had nonfunctional versions of both genes. Where multiple isolates were collected from a field, mixed-chemotype populations were identified. Variation in the number of 11-bp repeats in Tri7 was detected among 3- and 15-AcDON chemotypes. Seventy-two of the 76 DON chemotypes (95%) were classified as 15-AcDON producers and the remaining four isolates (5%) as 3-AcDON producers. In all four isolates with a 3-AcDON chemotype, Tri7 was deleted from the trichothecene gene cluster. There was no evidence of regional variation between 3-AcDON, 15-AcDON or NIV chemotypes within the F. graminearum population.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.0032-0862.2004.01061.x

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Financial Sector Reforms in Developing Countries: The Indian Experience (2002)

Arun, T. G. ; Turner, J. D.

Oxford, UK and Boston, USA : Blackwell Publishers Ltd

The @world economy 25 (2002), S. 0

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ISSN: 1467-9701

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Law , Economics

Notes: This study is based on the premise that the success/failure of financial sector reforms depends heavily on country specific factors and makes an attempt to examine these factors in the Indian context. The financial sector reforms analysed in this paper include the deregulation of interest rates, increasing competition and foreign ownership, and the introduction of financial supervision. We argue that an economic rationale for a gradualist approach to financial reform is that it is stability enhancing. Furthermore, we suggest that India’s complex political economy has resulted in a gradual approach to reform, and this approach has been successful along the dimension of banking stability.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/1467-9701.00440

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Exhumation of the North Atlantic margin: introduction and background (2002)

Dore, A. G. ; Cartwright, J. A. ; Stoker, M. S. ; [et al.]

In: Geological Society Special Publication 196: 1-12.

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Publication Date: 2002-01-01

Description: Since consolidation during the Caledonian and Variscan orogenies, NW Europe has undergone repeated episodes of exhumation (the exposure of formerly buried rocks) as a result of such factors as post-orogenic unroofing, rift-shoulder uplift, hotspot activity, compressive tectonics, eustatic sea-level change, glaciation and isostatic readjustment. Modern measurement techniques, such as apatite fission-track analysis, have helped to establish useful denudation chronologies for this entire time span. However, the main observational legacy of exhumation around the North Atlantic is preserved in the comparatively young (Mesozoic and Cenozoic) geological record of this region. This is clearly reflected by the unifying theme of this volume, which documents evidence for the widespread uplift and emergence of large sections of the North Atlantic margin in Cenozoic time. All students of NW European geology are aware of the compelling palaeogeographical evidence for the transition at the end of the Cretaceous from shelf seas and low-relief landmasses to an area dominated by highlands and newly emergent landmasses, flanked by shelves dominated by rejuvenated clastic deposition. Similarly, it is also widely known that the highlands of Norway and Scotland do not represent the original Caledonian mountain range but must be instead a product of late emergence or uplift. The Cenozoic uplift of Fennoscandia in particular has a long history of study. It is arguably one of the oldest debates in the history of systematic geology and featured prominently in Lyell's Principles of Geology (Lyell 1830-1875). All of this early work was, of course, based on onshore observations. By the late ... This 250-word extract was created in the absence of an abstract.

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