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Historical shipwrecks in marine environments are continuously decomposed by wood-degrading organisms, adapted to this specific environment. To protect the wrecks from degradation and to preserve the unique remains for future generations, reburial of wrecks using various covering materials has been suggested as a long-term preservation method. The following experiment was carried out to study the bio-protective effect of sediment. Sound oak, pine, and birch samples were buried above and within marine sediment in Marstrand harbour, and retrieved for analysis after 6, 12, 24, and 36 months. Macroscopic as well as light-microscopic examinations were carried out on each occasion. Marine borers (shipworm, Limnoria), soft rot and tunnelling bacteria were wood degraders immediately above the seabed; soft rot, tunnelling bacteria, and erosion bacteria were active 10 cm below the seabed; erosion bacteria were the only degraders at a depth of 43 cm below the seabed. The wood species had different durability towards the decay agents. After 3 years, wood samples above the seabed were totally decomposed, whereas wood was highly protected at 43 cm depth in sediment. In the sediment, decay decreased significantly with depth of burial. The results suggest that reburial of shipwrecks in marine sediment can be recommended as a simple and efficient method for long-term preservation of the wooden cultural heritage. 相似文献
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Cecilia A. Buccellato Sebastiano Tusa 《International Journal of Nautical Archaeology》2013,42(1):76-86
Within the framework of the activities of the Soprintendenza del Mare of Sicily, a bronze ram was recovered just north of the Straits of Messina, in the area of Acqualadroni. This paper discusses technical and iconographic features of the ram and compares them with others found in Sicily, Piraeus, Tuscany and Athlit. The study shows the Acqualadroni Ram has more analogies with the latter, although it also has unique features. Radiocarbon dating suggests that the ram was used on a warship dating from the mid‐2nd century BC. It is therefore possible that the Acqualadroni Ram was lost during the Naulochus battle (36 BC) or during the Civil Wars that gave rise to the rule of Octavian. 相似文献
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Julien Louys Carlo Meloro Sarah Elton Peter Ditchfield Laura C. Bishop 《Journal of archaeological science》2011
Analysis of dental mesowear is a useful tool to examine dietary strategies in ungulates, and provides a palaeoenvironmental proxy at archaeological and palaeontological sites. We examine the distribution of traditional qualitative mesowear variables amongst 33 species of extant African antelope. We also examine the relationship of our dataset with the original dataset of Fortelius and Solounias (2000). We find that confining mesowear analyses to antelope species alone reduces their discriminating power relative to that found in analyses using a broader range of taxa. Variability in mesowear scores along the toothrow suggest that different teeth do not wear equivalently over an individual’s life-time, so it is important to confine comparisons to individual tooth positions for palaeodietary classifications. Mesowear scores from the third upper molar were found to have the greatest discriminating power. Frugivores displayed unique mesowear signatures, suggesting that this trophic guild should be taken into consideration separately in future mesowear analyses. These results have implications which can improve the application and the discriminatory power of mesowear analyses for the determination of the palaeodiets of extinct taxa, and, by extension, their palaeoenvironments. 相似文献
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Krafft F 《Berichte zur Wissenschaftsgeschichte》2003,26(3):157-182
Pharmacy serving to propagate the Lutherian doctrine of justification: "Christus as a pharmacist" is an interconfessional, but confessionally differentiated symbolic motif (Sinnbildmotiv) of Christian folklore art in German-speaking countries. The article investigates the sociocultural conditions and prerequisites (German bible translation, religion and confession, piety, pharmacy, chymiatry, chemistry, apothecary training and status) for transfering the old metaphor and idea of Christ as a physician to the new vision of Christ as a apothecary who prepares and dispenses his heavenly medicine all by himself. In the early 17th century (especially in the 1610's) these requirements were fulfilled, so that the oldest known witness to this motif transfer (picturing the so-called Heilandsruf of Matthew 11, 28), a genre picture of 1619, will be the first pictural version of this motif in general. It was created by the protestant Painter Mich(a)el Herr of Nuremberg. In the abstract and reduced form of a devotional picture this motif then became widespread in churches and vicarages, in monasteries and their apothecaries as well as in private houses (with small altars: Herrgottswinkel). The oldest yet known examples are works from around 1630. For the first time during the Thirty Year's War, it served in this form for propagating the Lutherian justification doctrine (now referring to Jesaja 55, 1), saying that the belief in Christ is enough to be released from all sins (sola fide). Around 1650, as a reaction to that, a catholic version of the devotional picture was created, claiming and picturing that in contrast eucharist is the highest and real, healing medium' of Christ to redemption. All pictures of this version avoid quoting Jesaja 55, 1, whereas all protestant pictures quote this verse from the Bible word-for-word. 相似文献
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The Wreck of the Warship Northumberland on the Goodwin Sands,England, 1703: an interim report
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The Northumberland, a third‐rate man‐of‐war was lost with all hands during the Great Storm of 26–27 November 1703 on the Goodwin Sands—famously known as ‘the ship swallower’. It was rediscovered in 1980 by local divers following the location of a sister ship, the Stirling Castle. Since, the primary concern has been to record exposed structural remains, ordnance and artefacts, and interpret the wreck formation of the site. This paper describes the results of this work, and discusses in particular the size of the keel, the use of chocks, and standardization of ordnance in the Restoration Navy through reference to comparable ship‐finds and historical records. 相似文献
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MIKKEL RYTTER 《Anthropology today》2018,34(3):12-14
This article discusses how the values and aspirations of the neo‐liberal competition state (konkurrencestat) and self‐dependent society (selvstændighedssamfund) have affected recently arrived refugees in Denmark. Besides a stricter border regime, the so‐called ‘refugee crisis’ of 2015 also resulted in a new version of ‘integration’ in Denmark that emphasizes the values of responsibility (ansvar), self‐sufficiency (selvforsørgelse) and independence (uafhængighed), as refugees are expected to start working more or less from day one after their arrival. This has led to numerous creative integration programmes in Danish municipalities. 相似文献
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LAURIE GUY 《The Journal of religious history》2006,30(1):61-76
This article explores the attitude of New Zealand churches to homosexuality from the 1960s to the 1980s and their varied stances regarding homosexual law reform in 1985–86. In the early 1960s church and society were in lockstep in publicly supporting traditional sexual morality. Major and wider attitudinal change in the later 1960s and into the 1970s led to changing attitudes in relation to homosexuality. At this time churches in New Zealand were weakening in numbers and in influence. One response was to embrace societal causes; another was to react against societal change. Marked “liberal” and “conservative” polarization led to a collapse of the “theological middle.” New Zealand churches were divided over homosexual law reform in 1985. Conservative Christians looked to biblical texts while liberal Christians focused on wider issues in society. The conservative Christian defeat in the decrimialization struggle was a defeat on a broader front. 相似文献
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MUBBASHIR RIZVI 《Anthropology today》2018,34(3):15-18
The discourse of the ‘war on terror’ fails to address the complex and multifaceted structural violence of landlessness, food insecurity and environmental degradation that afflicts the world. Pakistan, for instance, has been a subject of great discussion and geopolitical analysis as the ground zero in the war against terror. However, the scholarship on terrorism in Pakistan analyzes militant and jihadi groups as discrete agents of primordial conflicts, spy agencies and sectarian rivalries with little analysis of the history of the cold war and the effects of the Afghan war. In this article, the author analyzes how the global ‘war on terror’ has proliferated into seemingly unrelated domains of life, and specifically how anti‐terror security legislation has pulled the rug out from under the most successful peasant land rights movement in Pakistan. 相似文献
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The pattern of initial settlement in the Shire of Denmark in Western Australia is mapped using land registrations of the date of the first lease and first freehold grant. Settlement started near the main rivers before World War I and accelerated with Group Settlements of the 1920s. However, many Group settlers abandoned their land before 1940. Little development occurred until in-migration during the last 30 years. Local persistence of families was estimated from records of land tenure, rate books, electoral rolls, postal directories and interviews. The rate of persistence of families on each block varied considerably. Geographical expansion of holdings among successive generations of founding families reflects more general processes such as clone colonization in which, by mutual support and intra-family co-operation, families undertake short-distance migration to newly acquired—often abandoned—holdings. In this way, settlers have gradually created a continuously settled landscape in this once densely forested area of south-western Australia. Land alienation has occurred since 1900 in the study area of 217 surveyed lots, or ‘blocks’ which are, on average, 150 acres (70 hectares) in size. The geographical pattern of initial settlement comprised isolated sites, occupied in the wake of early lumbering, rather than a linear frontier. 相似文献
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《Journal of Historical Geography》2005,31(3):496-512
Prompted by contemporary concerns in the West over a global vision of nature and society at risk, this paper builds on recent studies of expertise within a broader public culture. By focusing on earlier episodes of social and political uncertainty, the paper argues that there is scope to extend such analysis in terms of historical geographies of specialist knowledge. The paper examines the formative years of British ecology, a discipline which from its beginnings in the wake of urban industrialism more than a century ago, was centrally concerned with the relations of human well-being and the environment. In exploring when, where and how an ecological expertise became defined, it shifts the focus from familiar milestones in the discipline's public recognition. By tracing the discursive and material practices of those who sought to identify and define ecology as a specialism, the paper illustrates the importance of groupings within and beyond accredited expertise in giving it meaning and purpose. In doing so it highlights the fragility and fluidity of the boundaries around ‘expertise’, and the significance of geographical context and connections in shaping its conduct and content. In terms of broader historical geographies, the paper suggests that while ‘expert’ cultures may be projected as giving greater public reassurance, the sense of certainty that this implies disguises complex processes in which the boundaries are imprecise between specialist and lay knowledge and between scientific and public spaces. 相似文献
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Xueqin Mei 《Frontiers of History in China》2007,2(2):121-144
By and large, there are three kinds of research on environment: the history of environment as a field of natural history studies,
the history of environment as within the scope of history of society studies, and environmental history as the study of the
relationship between human and nature. The methodological perspective of the relationship between humanity and environmental
distinguishes the third from the previous two. From this perspective, when we probe the mutual effects between human and nature,
we will stress on their interactions. The new era and the realities of contemporary society foster the rise of environmental
history, which has not only theoretical values but also practical significance.
Translated from Xueshu Yanjiu 学术研究 (Academic Research), 2006, (9):12–22 相似文献