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Gordon J.E.,Scottish Natural Heritage | Gordon J.E.,University of St. Andrews
Scottish Geographical Journal | Year: 2012

This paper reviews the contribution of geodiversity to ecosystem cultural services, in particular to: educational values; cultural heritage and the built environment; cultural inspiration, creativity and aesthetic values as reflected in literature, poetry and art; and recreation and tourism. Exploration of the creative influence of geodiversity allows a broader, interdisciplinary perspective on cultural links with the physical landscape and the connections between people and the natural world. Recognition of the cultural role of geodiversity also provides heuristic, experiential opportunities for engagement with Scotland's geoheritage and raising awareness of the value and relevance of geodiversity and geoscience today, complementing more traditional didactic approaches. © 2012 Copyright Taylor and Francis Group, LLC. Source


The Silba admirabilis species group is diagnosed within the genus Silba Macquart by the combination of partly yellow tarsomeres and the distinctive features of the male genitalia. Thirteen new species within this species group are described from the Afrotropical region; namely Silba bakongo MacGowan sp. nov., Silba boulangi MacGowan sp. nov., Silba bredoi MacGowan sp. nov., Silba garamba MacGowan sp. nov., Silba hambai MacGowan sp. nov., Silba inimvua MacGowan sp. nov., Silba lubumbashi MacGowan sp. nov., Silba mbuti MacGowan sp. nov., Silba saegeri MacGowan sp. nov., Silba spiculata MacGowan sp. nov., Silba tekei MacGowan sp. nov., Silba upemba MacGowan sp. nov., and Silba wittei MacGowan sp. nov. Ten previously described species within the genus Silba are also identified as belonging to the S. admirabilis species group. One species of the genus Lonchaea also belonging to this group is re-assigned to Silba. The synonymies Silba displata McAlpine, 1964 = Silba hilli (Malloch, 1928) and Silba fragranti MacGowan, 2007 = Sil-ba chalkei McAlpine, 1956 are established. A key and illustrations of male genitalia are provided to all species. Further information is presented relating to the taxonomy and distribution of previously described members of this species group whose range extends from the Afrotropical to Australasian regions. Copyright © 2015 Magnolia Press. Source


Angus S.,Scottish Natural Heritage
Ocean and Coastal Management | Year: 2014

The low-lying, relatively flat landscape of the western seaboard of the Uists has a particular vulnerability to climate change, especially to rising sea levels. Winter water tables are high, and a high proportion of the area is permanent open water and marsh. Any changes in aquatic relationships could pose serious problems for the Uist environment, where the closely inter-connected habitats are internationally recognised for their conservation value. The uncertainty of most aspects of climate change is imposed upon an existing level of high climatic variability in the Western Isles, greatly complicating local habitat and land use scenarios, but rising sea level, possibly the most threatening aspect of climate change, is a certainty. Rising sea level alone has the potential to raise water levels within the islands by progressively reducing the effectiveness of an ageing drainage network, not only raising water levels, but possibly also facilitating saline infiltration of the water table. This raises problems for habitats, species, and for land users, in islands where habitat processes and human interaction with the environment have always been particularly closely linked. © 2014 Elsevier Ltd. Source


Rennie A.F.,Scottish Natural Heritage | Hansom J.D.,University of Glasgow
Geomorphology | Year: 2011

A widely held belief persists that rising land levels since the latter part of the last glaciation will help safeguard much of the Scottish coast from the impact of global sea level rise. Although the landforms of much of Scotland's coast reflect long-term land uplift, recent investigations show that uplift rates are now modest and are less than rising sea levels. When comparisons are made between long-term land-level changes using Glacio-Isostatic Adjustment models, representative of the last few thousand years (Shennan and Horton, 2002; Shennan et al., 2009), and recent land-level changes using Continuous GPS records, representative of the last decade (Bradley et al., 2006), it is apparent that recent rates of uplift are slower than longer-term averages. We show here that when tidal records are considered, they show marked increases over recent decades although the extent to which these are part of a longer-term trend is uncertain. When considered alongside the UKCP09 climate projections, these tidal observations are of value in narrowing or calibrating the wide choice of sea level projections under various climate change scenarios. It appears that Scotland's observed tidal record now lies close to the 95% projection of the UKCP09 High Emission Scenario and isostatic uplift now contributes little towards mitigating the effect of relative sea level rise on the Scottish coast. If the observed recent patterns are maintained, this has significant implications for strategic planning, flood risk management and sustainable development on Scotland's coast, and particularly on low-lying coastal zones around the major cities. © 2010 Elsevier B.V. Source


Gordon J.E.,Scottish Natural Heritage | Gordon J.E.,University of St. Andrews
Geoheritage | Year: 2012

Traditional approaches to geological interpretation have a strong didactic focus, whereas the early development of tourism had a strong experiential basis in the Romantic notions of sublime and picturesque landscapes. This article examines the links between geodiversity, landscape, literature, art and geotourism in Scotland using historical case studies from the Falls of Clyde and Staffa, and modern case studies from the North West Highlands Geopark and the Dumfries and Galloway area. Enabling people to rediscover their geoheritage through new and memorable experiences can help the geoconservation community to engage with a wider audience and to develop a broader constituency of interest and support. © 2011 Springer-Verlag. Source

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