Bibliografie tematiche / Scotland – Hebrides

Letteratura scientifica selezionata sul tema "Scotland – Hebrides"

Autore: Grafiati
Pubblicato: 25 luglio 2024

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Articoli di riviste sul tema "Scotland – Hebrides"

1

IMBER, J., R. A. STRACHAN, R. E. HOLDSWORTH e C. A. BUTLER. "The initiation and early tectonic significance of the Outer Hebrides Fault Zone, Scotland". Geological Magazine 139, n. 6 (novembre 2002): 609–19. http://dx.doi.org/10.1017/s0016756802006969.

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Abstract (sommario):
The Outer Hebrides Fault Zone is a major ESE-dipping detachment exposed within basement gneisses of the Archaean–Palaeoproterozoic Lewisian Complex, northwest Scotland. The fault zone exhibits a long-lived displacement history and was active during Proterozoic, end-Silurian, Carboniferous and Mesozoic times. The earliest deformation event preserved onshore was associated with top-to-the-NW ductile thrusting. A previous study proposed that thrust-related protomylonitic and mylonitic fabrics are cross-cut by amphibolites (‘Younger Basics’) and Laxfordian granite and pegmatite sheets. This evidence was used to suggest that ductile thrusting occurred during the Palaeoproterozoic Inverian event at c. 2500 Ma. Our observations demonstrate, however, that mylonitic fabrics within the ductile thrust zone are superimposed on all components of the gneiss complex including amphibolites and Laxfordian intrusions. It therefore follows that the Outer Hebrides Fault Zone cannot be older than c. 1685 Ma, the age of recently dated Laxfordian granites in the Outer Hebrides. Geochronological studies have shown that the basement blocks of the northern Outer Hebrides and Scottish mainland have different geological histories and were amalgamated during Proterozoic times at or after c. 1700 Ma. We propose that early ductile thrusting along the Outer Hebrides Fault Zone formed part of this amalgamation process leading to burial and reheating of the footwall gneisses in Lewis and north Harris. This would account for the c. 1100 Ma thermal event recorded by previous workers and implies that ductile thrusting along the Outer Hebrides Fault Zone is of Grenvillian age.
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2

Pierce, G. J., e M. B. Santos. "Diet of harbour seals (Phoca vitulina) in Mull and Skye (Inner Hebrides, western Scotland)". Journal of the Marine Biological Association of the United Kingdom 83, n. 3 (9 aprile 2003): 647–50. http://dx.doi.org/10.1017/s0025315403007604h.

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Abstract (sommario):
Data on the diets of harbour seals (Phoca vitulina) from two islands in the Inner Hebrides (Scotland, UK) based on collections of faecal samples made in 1993 and 1994 are presented. The diet included a range of fish and cephalopod species, of which the most important were gadoids, particularly whiting (Merlangius merlangus), along with pelagic scad (Trachurus trachurus) and herring (Clupea harengus). There were significant temporal and spatial (between-island) differences in diet. The relatively high importance of pelagic species and the low importance of sandeels (Ammodytidae) is consistent with previous studies on grey seals (Halichoerus grypus) in the Inner Hebrides but differs from studies based in other parts of Scotland.
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3

Dawson, Tom. "Community Rescue: Saving sites from the sea". AP: Online Journal in Public Archaeology 6, n. 2 (7 gennaio 2017): 5. http://dx.doi.org/10.23914/ap.v6i2.78.

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Erosion threatens coastal sites around the globe and Scotland has been pioneering a methodology of community action that brings local groups and professional together to work at sites before they are destroyed. This builds upon the Historic Scotland rapid coastal surveys and the follow-up analysis of collected data to prioritise action. Projects such as Shorewatch and the Scotland’s Coastal Heritage at Risk Project (SCHARP) have seen communities update records and participate in practical work. This paper presents the background to these community initiatives, giving details of two projects; the excavation of an Iron Age Wheelhouse in the Hebrides and the relocation of Bronze Age structures in Shetland.
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4

Lane, Cathy. "Mapping the Outer Hebrides in sound: towards a sonic methodology". Island Studies Journal 11, n. 2 (2016): 343–58. http://dx.doi.org/10.24043/isj.353.

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Scottish Gaelic is still widely spoken in the Outer Hebrides, remote islands off the West Coast of Scotland, and the islands have a rich and distinctive cultural identity, as well as a complex history of settlement and migrations. Almost every geographical feature on the islands has a name which reflects this history and culture. This paper discusses research which uses sound and listening to investigate the relationship of the islands’ inhabitants, young and old, to placenames and the resonant histories which are enshrined in them and reveals them, in their spoken form, as dynamic mnemonics for complex webs of memories. I speculate on why this ‘place-speech’ might have arisen from specific aspects of Hebridean history and culture and how sound can offer a new way of understanding the relationship between people and island toponymies.
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5

Morton, Nicol. "Jurassic subsidence history in the Hebrides, N.W. Scotland". Marine and Petroleum Geology 4, n. 3 (agosto 1987): 226–42. http://dx.doi.org/10.1016/0264-8172(87)90046-8.

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6

Moore, P. G. "The Lochbuie Marine Institute, Isle of Mull, Scotland". Archives of Natural History 40, n. 1 (aprile 2013): 45–51. http://dx.doi.org/10.3366/anh.2013.0135.

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Abstract (sommario):
The Lochbuie Marine Institute on the Isle of Mull (Inner Hebrides), established in 1886, had links with the short-lived National Fish Culture Association of Great Britain and Ireland (inaugurated 1882). Its amalgamation with the Scottish Marine Station at Granton (Edinburgh) was informally suggested in 1887, but it ceased to exist about this time.
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7

Ryan, Anthony W., Valeria Mattiangeli e Jarle Mork. "Genetic differentiation of blue whiting (Micromesistius poutassou Risso) populations at the extremes of the species range and at the Hebrides–Porcupine Bank spawning grounds". ICES Journal of Marine Science 62, n. 5 (1 gennaio 2005): 948–55. http://dx.doi.org/10.1016/j.icesjms.2005.03.006.

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Abstract The blue whiting, Micromesistius poutassou (Teleostei, Gadidae) is found between latitudes 26° and 82°N along the continental margin of the Northeast Atlantic, with smaller populations in the Northwest Atlantic and the Mediterranean. There is an annual spawning aggregation on the Porcupine Bank and Hebridean Shelf (west of Ireland and Scotland, respectively), where most of the blue whiting population of the Northeast Atlantic spawns. Analysis of samples from the Barents Sea, the Northeast Atlantic, and the Mediterranean (n = 850, 11 samples) using one minisatellite and five microsatellite loci revealed significant geographic heterogeneity and isolated populations at the extremes of the species range in the Barents Sea and the Mediterranean. Furthermore, there was evidence of genetic heterogeneity among samples taken during the spawning season on the Porcupine Bank and Hebridean Shelf, with highly significant differentiation between the samples taken in the Hebrides in 1992 and 1998.
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8

Fielding, Alan H., David Anderson, Catherine Barlow, Stuart Benn, Robin Reid, Ruth Tingay, Ewan D. Weston e D. Philip Whitfield. "Golden Eagle Populations, Movements, and Landscape Barriers: Insights from Scotland". Diversity 16, n. 4 (25 marzo 2024): 195. http://dx.doi.org/10.3390/d16040195.

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Abstract (sommario):
GPS satellite tracking allows novel investigations of how golden eagles Aquila chrysaetos use the landscape at several scales and at different life history stages, including research on geographical barriers which may prevent or limit range expansion or create population/sub-population isolation. If there are significant barriers to golden eagle movements, there could be demographic and genetic consequences. Genetic studies have led investigations on the identification of sub-species, populations, and sub-populations but should be conjoined with demographic studies and dispersal movements to understand fully such designations and their geographic delimitation. Scottish eagles are genetically differentiated from continental European birds, with thousands of years of separation creating a distinct population, though without sub-species assignation. They present unique research opportunities to examine barriers to movements illustrated by satellite tracking under Scotland’s highly variable geography. We primarily examined two features, using more than seven million dispersal records from satellite tags fitted to 152 nestlings. The first was the presence of unsuitable terrestrial habitat. We found few movements across a region of largely unsuitable lowland habitat between upland regions substantially generated by geological features over 70 km apart (Highland Boundary Fault and Southern Uplands Fault). This was expected from the Golden Eagle Topography model, and presumed isolation was the premise for an ongoing reinforcement project in the south of Scotland, translocating eagles from the north (South Scotland Golden Eagle Project: SSGEP). Second was that larger expanses of water can be a barrier. We found that, for a northwestern archipelago (Outer Hebrides), isolated by ≥24 km of sea (and with prior assignation of genetical and historical separation), there were no tagged bird movements with the Inner Hebrides and/or the Highlands mainland (the main sub-population), confirming their characterisation as a second sub-population. Results on the willingness of eagles to cross open sea or sea lochs (fjords) elsewhere in Scotland were consistent on distance. While apparently weaker than the Outer Hebrides in terms of separation, the designation of a third sub-population in the south of Scotland seems appropriate. Our results validate the SSGEP, as we also observed no movement of birds across closer sea crossings from abundant Highland sources to the Southern Uplands. Based on telemetric results, we also identified where any re-colonisation of England, due to the SSGEP, is most likely to occur. We emphasise, nevertheless, that our study’s records during dispersal will be greater than the natal dispersal distances (NDDs), when birds settle to breed after dispersal, and NDDs are the better shorter arbiter for connectivity.
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OSINSKI, G. R., G. I. ALSOP e G. J. H. OLIVER. "Extensional tectonics of the Outer Hebrides Fault Zone, South Uist, northwest Scotland". Geological Magazine 138, n. 3 (maggio 2001): 325–44. http://dx.doi.org/10.1017/s0016756801005325.

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Abstract (sommario):
The Outer Hebrides Fault Zone is a major ESE-dipping reactivated structure within Lewisian basement gneisses of the Laurentian craton, northwest Scotland. Detailed mapping in South Uist reveals important new evidence that contributes to a better understanding of the kinematic evolution of the fault zone. Large quantities of pseudotachylite which characterize the fault zone on South Uist may in part be lithologically controlled, and therefore of little value in determining areas of greatest deformation and displacement. Only limited evidence is preserved for ductile and brittle thrust-sense movements along this portion of the fault zone. The tectonics of the fault zone on South Uist are dominated by structures associated with several episodes of pervasive top-down-to-the-SE to -ENE brittle extensional deformation, which are progressively overprinted by protophyllonitic and phyllonitic fabrics associated with top-down-to-the-E to -ENE extension. A series of late-stage high-angle normal faults record top-down-to-the-ESE to -ENE extension and cut the phyllonites. Fluid inclusion studies from syntectonic quartz veins constrain the conditions of phyllonite formation at 370 ± 20 °C. Field evidence suggests that this section of the Outer Hebrides Fault Zone may have been largely unaffected by sinistral strike-slip reactivation as reported along-strike to the north, suggesting both a varied and compartmentalized tectonic and evolutionary history along the length of the Outer Hebrides Fault Zone.
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SZULC, A. G., G. I. ALSOP e G. J. H. OLIVER. "Kinematic and thermal constraints on the reactivation of the Outer Hebrides Fault Zone, NW Scotland". Geological Magazine 145, n. 5 (22 luglio 2008): 623–36. http://dx.doi.org/10.1017/s0016756808004925.

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Abstract (sommario):
AbstractThe Outer Hebrides Fault Zone is a major easterly dipping reactivated shear zone which displaces Lewisian gneiss of the Laurentian craton, NW Scotland. Despite a number of detailed field studies, the fault zone remains poorly understood with regard to both its age of inception and precise conditions of reactivation. The island of Scalpay in the northern portion of the Outer Hebrides Fault Zone provides exceptional exposures through a variety of reactivated fault rock types and therefore represents an ideal location to investigate fault zone evolution via fluid inclusion studies of syn-tectonic quartz veins. This fluid inclusion study constrains reactivation temperatures more precisely than hitherto possible with top-to-the-NW ductile thrusting occurring at 500 ± 30°C. Subsequent phyllonitization is associated with oblique sinistral top-to-the-NE strike-slip at 230 ± 20°C, followed by a discrete system of top-to-the-NE/SE extensional detachments at 150 ± 20°C. Other recent fluid inclusion studies in the southern portion of the Outer Hebrides Fault Zone constrain phyllonitization associated with top-to-the-E displacement to 370 ± 20°C, with subsequent top-to-the-NE extensional detachments operating at 150–210°C. Thus, late-stage extensional detachment systems record consistent conditions of reactivation along the strike length of the Outer Hebrides Fault Zone. However, our results also clearly emphasize that conditions of earlier fault zone reactivation and phyllonitization were highly heterogeneous between the northern and southern portions, thus suggesting a spatial and temporal variation in the deformation and/or fluid flux system.
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Tesi sul tema "Scotland – Hebrides"

1

Thomas, Sarah Elizabeth. "From Rome to 'the ends of the habitable world' the provision of clergy and church buildings in the Hebrides, circa 1266 to circa 1472 /". Thesis restricted. Connect to e-thesis to view abstract. Move to record for print version, 2008. http://theses.gla.ac.uk/684/.

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Abstract (sommario):
Thesis (Ph.D.) - University of Glasgow, 2008.
Ph.D. thesis submitted to the Faculty of Arts, Departments of Archaeology and History, University of Glasgow, 2008. Includes bibliographical references. Print version also available.
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2

Wilkinson, Mark. "Sandstone-hosted concretionary cements of the Hebrides, Scotland". Thesis, University of Leicester, 1989. http://hdl.handle.net/2381/34983.

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Abstract (sommario):
The geometries of the sandstone-hosted calcite concretions of the Jurassic Valtos Sandstone Formation and Bearreraig Sandstone Formation are described and related to the processes operating during concretion growth. As concretionary bodies analogous to those studied form potential permeability barriers within some North Sea petroleum reservoirs; the relationship between the growth processes and permeability barrier formation is examined. The growth times for model spherical concretions are calculated for the complex carbonate-water system. Two growth processes are modelled, solute transport and surface reaction. Growth times for a 1m diameter concretion forming under geologically reasonable conditions are predicted to be 22.3Ma, which reduces to 8.8Ma in porewaters flowing at 1m/year. The depth of formation of the concretions is assessed, through an examination of depth dependent properties of both the host-sediment and the calcite cement, and is found to be less than 500m. Concretion formation preceeded the Paleocene igneous activity which affected the Hebrides. The majority of the concretions examined formed at burial depths which were too great to allow effective contact between the concretions and seawater. The major source of carbonate was the dissolution of aragonitic shell material from within the host sandbody. The nature of the porewaters from which the concretions formed is assessed. The majority were meteoric in origin, though some marine influence is noted. The minor element contents of the cements cannot be used to calculate porewater compositions, as disequilibrium between the porewaters and the cements can be demonstrated. A model is proposed to account for the minor element patterns. Crystal breeding can be demonstrated to have occurred during concretion growth. A hypothesis is presented to explain the petrographic features of a typical Valtos Sandstone Formation concretion.
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3

Stahl, Anke-Beate. "Place-names of Barra in the Outer Hebrides". Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/15754.

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Abstract (sommario):
The aim of the thesis is to examine the nomenclature of the Barra Isles by investigating the distribution and interaction of Norse, Gaelic and English name-forming elements. Consideration is given to the historical, political and economic reasons for changes in placenames, and the language situation is assessed. In a theory-based chapter the function of names, naming strategies, name changes, and reasons for loss of names are examined. The main thrust is to compile a gazetteer of place-names gathered both from historical documents such as maps, sea-charts, registers and travel literature, and from interviews with local people. With the help of a database the corpus is analysed with regard to semantics, morphology and naming intention. Finally, a consideration of the historical development of names illustrates degrees of stability and of change in the place-names of Barra.
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4

Kaye, Katherine Jean. "The impacts of agricultural development grants in the Outer Hebrides, Scotland". Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314994.

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5

Mulder, Ymke Lisette Anna. "Aspects of vegetation and settlement history in the Outer Hebrides, Scotland". Thesis, University of Sheffield, 2000. http://etheses.whiterose.ac.uk/10367/.

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Abstract (sommario):
Although the Outer Hebrides today are virtually treeless, many parts of the islands appear to have sustained woodland during the early Holocene. The reasons for the decline in trees and shrubs, which took place between the Mesolithic and Iron Age periods, may include natural factors (e.g. climate or soil change) and/or human impact. In order to gain an insight into the relationship between people and vegetation change, profiles from five sites were analysed for pollen, spores and microscopic charcoal content: Loch a' Chabhain and Loch Airigh na h-Achlais (South Uist), Fobost (a valley mire in South Uist); Loch Olabhat (North Uist), and the Neolithic archaeological site of Eilean Domhnuill (located in Loch Olabhat). Other than at the archaeological site, arboreal pollen values were high (>75%) at the beginning of the Holocene. There is no evidence for a clear Mesolithic presence at any of the sites. Inferred woodland decline started c. 7900 BP (8690 cal BP) at Frobost, probably due to an expansion of the mire, and c. 5300 BP (6080 cal BP) at Loch a' Chabhain, probably also due to natural factors. Both areas may have been used for grazing from the Neolithic onwards. At Loch Airigh na h-Achlais woodland reduction started in the Neolithic, accelerating during the Bronze Age, perhaps due to climatic deterioration and/or grazing pressures. The profile from Loch Olabhat has strong evidence of human impact during the early Neolithic: a decline in arboreal taxa, an increase in cultural indicators, and signs of erosion in the catchment area. Woodland removal and cultivation here may ultimately have led to rising loch levels and the inundation of Eilean Domhnuill. At Loch Airigh na h-Achlais and Loch Olabhat there may be evidence for heathland management by fire during prehistoric and historical times. Archaeological evidence points to a shift in settlement areas between the Iron Age and the Neolithic, from peat-covered inland areas to the machair along the west coast. A general expansion in heath and mire communities suggests that inland localities may have become increasingly infertile.
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Tsoumakos, Petros E. "Interpretation of a seismic survey of crustal structure in western Scotland and the Hebrides". Thesis, University of Glasgow, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236701.

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7

Muir, Roderick John. "The precambrian basement and related rocks of the southern Inner Hebrides, Scotland". Thesis, Cardiff University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339724.

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8

Johnston, Anne R. "Norse settlement in the Inner Hebrides ca. 800-1300; with special reference to the islands of Mull, Coll and Tiree". Thesis, University of St Andrews, 1991. http://hdl.handle.net/10023/2950.

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Abstract (sommario):
The thesis aims to elucidate the form, extent and chronological development of Norse colonial settlement in the Inner Hebridean islands of Mull, Coll, Thee and Lismore in the period ca 800-1300. Tiree, Coll and Lismore are studied in their entirety while an area from each of the parochial divisions on Mull is selected. Historically Mull, Coll and Tiree have an essential territorial unity in that they formed part of the territory of the cenel Loairn within the kingdom of Dalriada in the pre-Norse period. With the division of the Isles in 1156 all three islands fell into the hands of Somerled of Argyll and in the immediate post-Norse period remained as a unit in the possession of the MacDougals. Geographically the islands differ greatly from one another and show a wide range of geological structures, landforms, soil types and vegetation, and climatic conditions. They thus offer an opportunity for analysing settlement location, development and expansion within a relatively small geographical area and yet one which encompasses a variety of natural incentives and constraints. Lismore, lying to the north-west of the above group and strategically situated at the mouth of the Great Glen was important in the pre-Norse period as a major Celtic monastic centre. The island is included by way of contrast, for its site and situation and close proximity to mainland Scotland suggested that the Norse settlement of the island may have been of a different character to that found on Mull, Coll and Tiree. An area of the Norwegain 'homeland', the Sunnmore islands lying off the west coast of Norway is looked at for comparative purposes. This allows an investigation of the evolution of Norse settlement and the coining of names within a purely Norse environment. This helps clarify the process of settlement development and expansion and the accompanying naming practices in a colonial setting where, particularly on Mull and Lismore, a dense Gaelic overlay often obscures salient features of the Norse settlement pattern. The methodology employed is both inter-disciplinary and retrospective allowing successive layers of settlement to be 'peeled back' in order to expose the pattern of settlement as it may have existed in the Norse period. The thesis divides into two parts. The first analyses settlement by settlement, the islands in question. The second concentrates on the major issues pertinent to settlement evolution. Norse and Gaelic settlement names are discussed together with the administrative and ecclesiastical organisation of the Isles. This leads to the formulation of a 'model for Norse settlement' for the Inner Hebrides.
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9

Imber, Jonathan. "Deformation and fluid-rock interaction along then reactivated Outer Hebrides fault zone, Scotland". Thesis, Durham University, 1998. http://etheses.dur.ac.uk/2022/.

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Abstract (sommario):
The Outer Hebrides Fault Zone (OHFZ) is a major, moderately E- to ESE-dipping long-lived reactivated fault zone which is developed in, and cross-cuts, crystalline amphibolite to granulite grade Lewisian basement gneisses, NW Scotland. A complex assemblage of different fault rocks and structures is presently exposed along the OHFZ, which reflects deformation at a range of crustal depths and metamorphic (temperature, pressure, fluid activity) conditions. Detailed field and microstructural observations have demonstrated that segments of the fault zone which display evidence of repeated reactivation over long periods of geological time (movements range from late Laxfordian / Grenvillian to Oligocene in age) are characterised by intense, localised greenschist facies retrogression and the development of sericite- and chlorite-bearing phyllonitic shear zones. In contrast, phyllonite is absent from segments of the fault zone which have not suffered extensive reactivation. These observations are consistent with phyllonitisation at mid-crustal depths having caused profound long-term mechanical weakening of the OHFZ,Two phases of retrogression and phyllonitisation have been recognised along the OHFZ:Upper greenschist facies, Late Laxfordian / Grenvillian phyllonitisation, which occurred at between 15 and 17km depth (Lewis and Harris only), and Lower greenschist facies, Caledonian phyllonitisation, which occurred at between 8 and 9km depth (Lewis, Harris and the Uists).Microstructural and geochemical studies of selected phyllonites from reactivated segments of the OHFZ demonstrate that greenschist facies retrogression and phyllonitisation were promoted by the influx of warm (c.250 to 450 C), hydrous iron^ and magnesium-bearing, oxidising fluids into the fault zone. Fluid flow during upper greenschist facies phyllonitisation was focused into pre-existing bands of highly strained quartzo-feldspathic mylonite, whilst fluid flow during lower greenschist facies phyllonitisation was focused predominantly into pre-existing brittle fractures and cataclastic crush zones. Thus, the distribution and intensity of fluid flow, and hence the distribution and intensity of retrogression and phyllonitisation were ultimately governed by the nature of pre-existing permeability pathways through the fault zone. It is therefore concluded that the long-term rheological evolution of reactivated basement fault zones is inexorably linked to the mid-crustal permeability evolution of such structures
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Wakefield, Matthew Ian. "Ostracoda (Crustacea) of the Great Estuarine Group (Bathonian, Middle Jurassic), Inner Hebrides, Scotland". Thesis, University of Leicester, 1991. http://hdl.handle.net/2381/34977.

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Abstract (sommario):
The Ostracoda of the Great Estuarine Group, Inner Hebrides, Scotland are monographed. These are referred to Order Podocopida, Suborder Podocopina, superfamilies Cytheracea, Cypridacea and Darwinulacea, seven families, five subfamilies, 17 genera (three new) and 41 species (25 new, 11 in open nomenclature). The stratigraphic occurrence of the ostracod species is determined for the Islands of Skye, Eigg and Muck. The major lithostratigraphic subdivisions of the Great Estuarine Group are reflected in the ostracod fauna. The ostracod species are largely endemic to the Hebrides; there are generic level affinities with other British sequences. Ostracod genera are used to interpret the palaeosalinity of deposition of the Duntulm and Kilmaluag formations. In some cases the palaeosalinity of deposition of individual beds is corroborated using C & O stable isotope analyses. Three salinity controlled ostracod assemblages are recognised and are interpreted to have migrated within the Kilmaluag lagoon due to increased freshwater or brackish-marine water input. By comparison with the associated molluscs, conchostracans and algae, four salinity events are detected within the type section of the Kilmaluag Formation. The Kilmaluag Formation was deposited within shallow, low energy freshwater lagoons with a tenuous link to a water body of brackish-marine salinity producing a salinity gradient. Salinity is the primary control upon faunal and floral occurrences within the Lealt Shale Formation. Relative salinity tolerances are estimated for 26 ostracod species from the formation. Based upon ostracod and mollusc data this formation has rapidly and frequently fluctuating palaeosalinity values. O isotope analyses of the bivalve Praemytilus strathairdensis show a positive correlation with the palaeosalinity fluctuations; the percentage abundances of the alga Botryococcus show a negative correlation. Variations in the adductor muscle-scar rosette of Darwinula muscula are due to the mostly ontogenetic subdivision of scars. Different fossil and Recent species of Darwinula are shown to have different rosette patterns.
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Libri sul tema "Scotland – Hebrides"

1

Thompson, Francis G. The western isles of Scotland. New York: New Amsterdam, 1988.

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2

Boyd, J. Morton. The Hebrides. Edinburgh: Birlinn, 1996.

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3

Boyd, J. Morton. The Hebrides. Edinburgh: Birlinn, 1996.

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4

Boyd, J. Morton. The Hebrides. Edinburgh: Birlinn, 1996.

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5

Samuel, Johnson. Journey to the Hebrides. Edinburgh: Canongate, 1996.

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6

Pankhurst, R. J. Flora of the Outer Hebrides. London: Natural History Museum Publications, 1991.

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7

Marion, Sinclair, e Newton Michael Steven 1965-, a cura di. Hebridean odyssey: Songs, poems, prose, and pictures from the Hebrides of Scotland. Edinburgh: Polygon, 1996.

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8

Walker, M. J. C. Field guide: Isle of Mull, Inner Hebrides, Scotland. Cambridge: Quaternary Research Association, 1985.

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9

The Hebrides at war. Edinburgh: Canongate, 1998.

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10

Angus, Stewart. The Outer Hebrides: The shaping of the islands. Cambridge: White Horse Press, 1997.

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Capitoli di libri sul tema "Scotland – Hebrides"

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Sutherland, D. G., J. M. Gray, A. G. Dawson, C. K. Ballantyne, M. J. C. Walker e H. J. B. Birks. "Inner Hebrides". In Quaternary of Scotland, 357–407. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1500-1_11.

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Sutherland, D. G., J. E. Gordon, W. Ritchie e M. J. C. Walker. "Outer Hebrides". In Quaternary of Scotland, 409–34. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1500-1_12.

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Melin, Mats, e Jennifer Schoonover. "Aberdeenshire to the Hebrides". In Dance Legacies of Scotland, 131–61. Abingdon, Oxon ; New York, NY : Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.4324/9781003043607-8.

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Emeleus, C. H. "The Rhum Layered Complex, Inner Hebrides, Scotland". In Origins of Igneous Layering, 263–86. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-017-2509-5_8.

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Tate, Jim, Ina Reiche, Flavia Pinzari, Jane Clark e David Caldwell. "History and surface condition of the Lewis Chessmen in the collection of the National Museums Scotland (Hebrides, late twelfth to early thirteenth centuries)". In Museums and Archaeology, 167–80. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003341888-18.

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Blackley, Stan, David McVey, Maria Scholten e Adam Veitch. "Adding Value to a Scottish Rye Landrace: Collaborative Research into New Artisanal Products". In Seeds for Diversity and Inclusion, 137–48. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89405-4_9.

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AbstractHebridean rye (Secale cereale), a high-yield landrace grown by crofters in Scotland’s Highlands and Islands, has traditionally been used as livestock feed. This multi-author study presents and analyses findings into the crop’s potential as the raw material for locally produced flour, bread and beer, offering new opportunities in sustainable seed saving, small-scale agriculture, food production and eco-enterprise. The authors—part of the project’s multidisciplinary team of researchers, artisanal food producers and crofters—explicate aspects of the pioneering project, from conditions on Uist’s coastal machair where the rye originates, to testing seasonal varieties in mainland Lochaber and assessing nutritional qualities and consumer acceptance of novel products. They conclude that Hebridean rye, with its potential for crofters in remote locales and local businesses, could help in preserving agrobiodiversity, traditional knolwedge and practices, crofting culture and economic resilience in the north and north-west of Scotland.
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"Iona (Inner Hebrides, Scotland)". In Northern Europe, 348–51. Routledge, 2013. http://dx.doi.org/10.4324/9780203059159-83.

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Clancy, Thomas Owen. "The Church and Gaelic–Norse Contact in the Hebrides". In The Viking Age in Scotland, 143–52. Edinburgh University Press, 2023. http://dx.doi.org/10.3366/edinburgh/9781474485821.003.0012.

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Within the context of the unresolved linguistic debate concerning the relationship between Norse and Gaelic in the Hebrides during the Viking Age and Late Norse periods, this chapter explores the sociolinguistic space inhabited by the Hebridean church in the Viking Age. Expanding upon ideas addressed in Vikings in Scotland in 1998, the church is identified as providing a measure of continuity, helping to maintain indigenous Christianity, languages, and place-names through the time of Viking invasion and settlement. Gaelic is also considered as a high-status language, due to its links to the Christianity that Scandinavians in the Hebrides adopted, potentially as early as the initial landnám. As well as some island names indicating early Scandinavian settlers added Gaelic saints to their pantheon, it is also suggested that the Scandinavian settlers may have respected and accommodated churches and church personnel on the islands on which they settled.
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Macniven, Alan. "Norse Settlement in the Southern Hebrides: The Place-name Evidence from Islay". In The Viking Age in Scotland, 123–34. Edinburgh University Press, 2023. http://dx.doi.org/10.3366/edinburgh/9781474485821.003.0010.

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This chapter suggests we rethink assumptions about weaker landnám in the southern Hebrides, and on Islay in particular, given prominent Old Norse nature generics, the survival of Old Norse place-names on prime land throughout Islay, and the virtual absence of a pre-Old Norse onomastic stratum. Since at least the 19th century, scholars have attempted to understand Scandinavian settlement in the Hebrides amid the fog of a post-Viking-Age resurgence and northern expansion of Gaelic over areas with an Old Norse-speaking interlude. Key questions centre on the linguistic border of Gaelic and Pictish before Old Norse speakers settled in the first half of the 9th century, how extensive the settlement of Old Norse speakers was and whether there were distinct north-western and south-eastern sociolinguistic regions in the Hebrides. The research outlined in this chapter concludes that the initial impact of Viking settlement in the southern, Inner Hebrides, was very similar to that in the north.
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Auer, Christian. "83. Emigration from the Hebrides, 1855". In Scotland and the Scots, 1707-2007, 248–49. Presses universitaires de Strasbourg, 2013. http://dx.doi.org/10.4000/books.pus.10154.

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Atti di convegni sul tema "Scotland – Hebrides"

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Vögler, Arne, e Vengatesan Venugopal. "Hebridean Marine Energy Resources: Wave-Power Characterisation Using a Buoy Network". In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83658.

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The Outer Hebrides of Scotland were identified as an area with a high wave power resource of 42.4kW/m. The Outer Hebrides of Scotland are currently targeted by a range of developers for demonstration and commercial developments of wave energy converters and current planning efforts are based on initial deployments by 2014. Technology providers with well advanced plans to develop the Hebridean wave resource include Aquamarine Power (Oyster) [1], Pelamis (P2) [2] and Voith Wavegen (OWC) [3]; all of these companies are partners in the Hebridean Marine Energy Futures project [4] to help move the industry into the commercialisation stage. As part of the Hebridean Marine Energy Futures project, a three year programme aimed at developing a high resolution wave energy resource map to support the site selection process of marine energy developers, a network of three wave measuring buoys was deployed 15km offshore in a depth of 60m and at distances of 11km between buoys. Measured wind and wave data from this buoy network for autumn 2011 are analysed and presented in this paper along with estimated wave power for the same duration.
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Vögler, Arne, e Vengatesan Venugopal. "Observations on Shallow Water Wave Distributions at an Ocean Energy Site". In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41044.

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The paper analyses the changes in wave conditions during wave propagation between intermediate and shallow water depths at a potential wave energy deployment location. The Outer Hebrides of Scotland in the United Kingdom are home to the world’s largest fully consented wave power project and hence a detailed understanding of the local resource is important to the developer to inform annual yield forecasting, technology refinements, and installation and operational plans. To support wave power projects and to reduce uncertainty and risk associated with yield production and performance estimates of energy developments, a sensor network was installed in the area from 2011–2013. Consisting of three floating buoys in intermediate depth and two combined acoustic and pressure sensors in the nearshore region, the data obtained from the different sensors at different locations in close proximity to each other have given a valuable insight in the hydrodynamic wave processes in the area. Data of the two acoustic sensors and one wave buoy are analysed in this paper for a period covering the full range of sea states to be expected throughout a calendar year. Distributions of maximum and significant wave heights, wave steepness and wave direction during a range of different meteorological conditions are examined and a comparison between the different sensor locations is included. The analysis also considers different distributions of both wave power and period observed during the measurement campaign.
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Rollin, K. E. "Analytic Signal and Deconvolution of Potential Field Data on the Hebridean Margin , NW Scotland". In 59th EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.131.gen1997_f038.

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Lavidas, George, Vengatesan Venugopal, Daniel Friedrich e Atul Argawal. "Wave Energy Assessment and Wind Correlation for the North Region of Scotland, Hindcast Resource and Calibration, Investigating for Improvements of Physical Model for Adaptation to Temporal Correlation". In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23935.

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Wave energy sites around Scotland, are considered one of the most energetic waters, as they are exposed to the Atlantic Ocean. The amount of energy reaching the shoreline provides an opportunity for wave energy deployments. Currently, considerations on wave devices expect them to be installed at nearshore locations. That means that the potential wave resource has to be investigated, since deep to shallow water interactions alter the shape of propagated waves. Resource assessment for these regions is essential in order to estimate the available and extractable energy resource. Although several numerical models exist for wave modelling, not all are suitable for nearshore applications. For the present work, the nearshore wave model SWAN has been used to simulate waves for the Hebridean region. The set-up, calibration and validation of the model are discussed. The resulting wave conditions are compared with buoy measurements. Results indicate that the modelling technique performed well.
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Rapporti di organizzazioni sul tema "Scotland – Hebrides"

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Brophy, Kenny, e Alison Sheridan, a cura di. Neolithic Scotland: ScARF Panel Report. Society of Antiquaries of Scotland, giugno 2012. http://dx.doi.org/10.9750/scarf.06.2012.196.

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The main recommendations of the Panel report can be summarised as follows: The Overall Picture: more needs to be understood about the process of acculturation of indigenous communities; about the Atlantic, Breton strand of Neolithisation; about the ‘how and why’ of the spread of Grooved Ware use and its associated practices and traditions; and about reactions to Continental Beaker novelties which appeared from the 25th century. The Detailed Picture: Our understanding of developments in different parts of Scotland is very uneven, with Shetland and the north-west mainland being in particular need of targeted research. Also, here and elsewhere in Scotland, the chronology of developments needs to be clarified, especially as regards developments in the Hebrides. Lifeways and Lifestyles: Research needs to be directed towards filling the substantial gaps in our understanding of: i) subsistence strategies; ii) landscape use (including issues of population size and distribution); iii) environmental change and its consequences – and in particular issues of sea level rise, peat formation and woodland regeneration; and iv) the nature and organisation of the places where people lived; and to track changes over time in all of these. Material Culture and Use of Resources: In addition to fine-tuning our characterisation of material culture and resource use (and its changes over the course of the Neolithic), we need to apply a wider range of analytical approaches in order to discover more about manufacture and use.Some basic questions still need to be addressed (e.g. the chronology of felsite use in Shetland; what kind of pottery was in use, c 3000–2500, in areas where Grooved Ware was not used, etc.) and are outlined in the relevant section of the document. Our knowledge of organic artefacts is very limited, so research in waterlogged contexts is desirable. Identity, Society, Belief Systems: Basic questions about the organisation of society need to be addressed: are we dealing with communities that started out as egalitarian, but (in some regions) became socially differentiated? Can we identify acculturated indigenous people? How much mobility, and what kind of mobility, was there at different times during the Neolithic? And our chronology of certain monument types and key sites (including the Ring of Brodgar, despite its recent excavation) requires to be clarified, especially since we now know that certain types of monument (including Clava cairns) were not built during the Neolithic. The way in which certain types of site (e.g. large palisaded enclosures) were used remains to be clarified. Research and methodological issues: There is still much ignorance of the results of past and current research, so more effective means of dissemination are required. Basic inventory information (e.g. the Scottish Human Remains Database) needs to be compiled, and Canmore and museum database information needs to be updated and expanded – and, where not already available online, placed online, preferably with a Scottish Neolithic e-hub that directs the enquirer to all the available sources of information. The Historic Scotland on-line radiocarbon date inventory needs to be resurrected and kept up to date. Under-used resources, including the rich aerial photography archive in the NMRS, need to have their potential fully exploited. Multi-disciplinary, collaborative research (and the application of GIS modelling to spatial data in order to process the results) is vital if we are to escape from the current ‘silo’ approach and address key research questions from a range of perspectives; and awareness of relevant research outside Scotland is essential if we are to avoid reinventing the wheel. Our perspective needs to encompass multi-scale approaches, so that ScARF Neolithic Panel Report iv developments within Scotland can be understood at a local, regional and wider level. Most importantly, the right questions need to be framed, and the right research strategies need to be developed, in order to extract the maximum amount of information about the Scottish Neolithic.
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