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Council for British Archaeology (2007) CBA Research Reports [data-set]. York: Archaeology Data Service [distributor] https://doi.org/10.5284/1000332
The Lancaster conference was concerned with evidence for topography, vegetation, soils, fauna, climate and ancient monuments of the prehistoric and early historic periods. E E Evans (1-5) introduced the concept of a 'pluvial' zone (to include Ireland), and stressed the enduring effects of early human interaction with upland environments. J A Taylor (6-19) illustrated from Welsh evidence the importance of meso- and microclimatic variations (arising from altitude, aspect, etc.) within the Highland zone and stressed the local or regional ecosystematic approach. D F Ball (20-27) described the major processes affecting Highland Zone soils and concluded that human interference had only increased inherent trends, not initiated them. R T Smith (27-37) presented methodological problems and case studies of the kinds of degradation of soil brought about by pastoralism, as well as arable cultivation, in W Yorkshire. The nine soil profiles cited by J C C Romans and L Robertson (37-9) provide an evolutionary sequence Early Neo-RB. Management of deer economies in prehistoric Britain was R E Chaplin's topic (40-42) with particular reference to their likely environmental effects. Pam Evans (43-8) interpreted Mesolithic settlement patterns in terms of the food and habitat needs of the aurochs, and attributed the eventual adoption of Atlantic economies to the loss through rising sealevels of the rich W seaboard grazing. P Mellars (49-56) suggested that Mesolithic man perhaps deliberately burnt tree cover to encourage spectacular increases in deer population. However, I G Simmons (57-63) took the view that, although Meso man manipulated his environment to some extent, the effect was small compared with that of later peoples. Neo-BA landscape changes in N Ireland were treated by A G Smith (64-74), who suggested cattle-barking as a factor in the elm decline, noted forest recovery at c 2600 bc, and considered upland peat formation. W Pennington's absolute pollen diagrams for NW England (74-86) provided evidence for widespead clearance of upland forest c 3100 bc around the Neo axe factories, and for cereal cultivation on coastal sites, with consequent degeneration of soils. Judith Turner's three-dimensional pollen evidence from Ayrshire (86-95) enabled her to locate fairly precisely the actual area of land cleared; shifting cultivation in BA times was succeeded by major clearance after ad 415. Turning to mollusca, P J Spencer's analysis (96-103) of coastal deposits in Cornwall and the Orkneys revealed the former presence of woodland, destroyed partly by human clearance, occasionally by sand-encroachment. J B Stevenson (104-8) examined the complex effects of differential land use on the survival of archaeological evidence, illustrating from Perthshire the distinction between 'discovery potential' and 'survival value'. D R Wilson (108-11) stressed the value of air photography in revealing highland zone sites, especially in remote areas where traditional fieldwork is unrealistically slow. W H Manning (112-16) showed how important were local supplies of grain to Roman forts even in the Highland Zone. L Alcock (117-22) raised the problem of interpreting the Dinas Powys animal bones in the light of documentary sources, but R E Chaplin (123) pointed out the difficulty of correctly interpreting selective bone samples. Finally, F Lynch (124-7), turning the topic round, showed how often prehistoric man chose particularly beautiful landscapes in which to build his monuments. G W Dimbleby (127-9) summed up the conference, stressing how frequently speakers had shown man as an important influence on the landscape even if he was not always demonstrably the initiator of ecological change.
|The effect of man on the landscape: the Highland Zone (CBA Research Report 11)||4 Mb|