Assessment of the Areas of Exceptional Archaeological and Historical Importance, Exmoor National Park
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Assessment of the Areas of Exceptional Archaeological and Historical Importance, Exmoor National Park Ralph Fyfe and Heather Adams School of Geography University of Plymouth Assessment of the Areas of Exceptional Archaeological and Historical Importance, Exmoor National Park Ralph Fyfe and Heather Adams School of Geography, University of Plymouth, Plymouth, PL4 8AA [email protected] tel: 01752 233129 Report prepared on behalf of Exmoor National Park Authority, November 2008 Executive summary This report presents the results of a review of the Areas of Exceptional Archaeological and Historical Importance (AEAHIs) drafted in 2004 as part of the Moorlands at a Crossroads survey undertaken for the Exmoor Society. It integrates palaeoecological research and potential into the designation of these areas and incorporates the results of survey and excavation on Exmoor since 2004. The report recommends the acceptance of thirty-seven AEAHIs which include landscapes that best represent the diversity of the archaeology of the moorlands. In addition it has developed a database of known palaeoecological sites and a separate database of high potential palaeoecological sites. A scheme for assessing the condition of these areas is proposed using forms suited to repeat volunteer survey. The approach assesses the individual significant elements that comprise each AEAHI, assigning each a condition score using an objective threat-led methodology. The individual scores are averaged to provide an indication of the state of the AEAHI. Fyfe and Adams (2008): Exmoor AEAHIs Contents Project background .................................................................................................................... 4 2004 AEAHI designations and criteria for inclusion ................................................................... 6 Aims and objectives ................................................................................................................... 8 The palaeoecological database .................................................................................................. 8 Assessment of existing AEAHIs and palaeoecological potential.............................................. 10 Recommendation of AEAHIs .................................................................................................... 13 Revised AEAHI descriptions ..................................................................................................... 13 Condition criteria and monitoring template for AEAHIs ......................................................... 33 Recommendations for further work ........................................................................................ 37 Acknowledgements .................................................................................................................. 37 Appendix 1: Gazetteer of palaeoecological sites ..................................................................... 38 Appendix 2: Radiocarbon dates from Exmoor palaeoecological sequences ........................... 39 Appendix 3: Relevant Research Aims from “The Archaeology of South West England: South West Archaeological Research Framework, Resource Assessment, and Research Agenda” (Webster 2007) ........................................................................................................................ 41 Appendix 4: Condition monitoring forms ................................................................................ 43 Appendix 5: Condition keys for the assessment of condition of elements within AEAHIs ..... 45 References ............................................................................................................................... 59 2 Fyfe and Adams (2008): Exmoor AEAHIs List of Figures and Tables Figure 1: Definition of moorland on Exmoor, 2008. Numbers indicate the moorland 5 unit as defined in Landuse Consultants (2004). Figure 2: Distribution of AEAHIs designated in 2004 (Wilson-North and Riley, 2004). 7 Figure 3: Location of analysed palaeoecological sequences on Exmoor. 9 Radiocarbon dated sequences are distinguished as filled circles. Refer to Appendix 1 for site details. Figure 4: Extent of extensive peat-depth survey and location of areas of 12 palaeoecological potential identified within this project. Figure 5: Recommended AEAHIs. Summary details can be found in Table 1 14 Figure 6: Example of completed monitoring form 37 Table 1. Principle components of the archaeology of Exmoor within each 15 recommended AEAHI Table 2: Detail of threats to the historic environment on moorlands (adapted from 34 Fyfe, 2000; Wilson-North and Riley, 2004; Fyfe, 2006; OAN, in prep.) 3 Fyfe and Adams (2008): Exmoor AEAHIs Project background The Exmoor Moorland Initiative seeks to prioritise work to conserve, enhance and interpret Exmoor’s moorlands. As part of this, Exmoor National Park Authority has won a Landscape Partnership (the Exmoor Moorland Landscape Partnership) development funding grant from the Heritage Lottery Fund. Part of the development work within this HLF funded Landscape Partnership is to delimit Areas of Exceptional Archaeological and Historical Importance (AEAHIs), in particular building on an earlier model and incorporating palaeoenvironmental importance into the designation of areas. The earlier AEAHIs were a product of the Moorlands at a Crossroad report (Landuse Consultants, 2004) commissioned by the Exmoor Society to review the future of Exmoor. The designation of AEAHI is in recognition of the significance of the archaeology of Exmoor. The archaeology of the moorland is exceptionally well preserved, making the resource as a whole of national significance. Although approximately 10% of archaeological sites on Exmoor are designated as Scheduled Ancient Monuments (SAMs) and are thus offered statutory protection, this model of archaeological protection is focussed entirely on sites rather than sites in their landscape context. This context is what the designation of AEAHIs seeks to conserve, putting in place a structure which allows for preservation and monitoring of the most important parts of the archaeology of the moorland. The relict prehistoric landscapes are nationally and possibly internationally significant. They form a rare and very extensive survival of entire past landscape across the domestic, social, economic and spiritual spheres. These types of landscapes are practically non existent in southern England and are rare across the country as a whole. The upstanding remains of these prehistoric landscapes makes them accessible to the visitor in a way that the overwhelming majority of lowland, flattened sites in private ownership are not. The association of palaeoecological deposits is an integral part of the historic environment, preserving an environmental archive and the potential for tremendous preservation potential of sites within or underneath these deposits. Certain monument types (e.g. stone settings) are unique to Exmoor. The combined evidence for medieval farming and settlement across the moorland is at least of regional significance and in some instances national importance. The extent and preservation of remains is exceptional, in particular where settlements, field systems and palaeoenvironmental deposits exist in close spatial proximity. The evidence of post- medieval reclamation and exploitation of mineral resources is nationally significant in terms of economic and industrial history. The very character of the moorland in areas such as Larkbarrow and Tom’s Hill is a result of the process of enclosure and exploitation in the nineteenth century. 4 Fyfe and Adams (2008): Exmoor AEAHIs Figure 1: Definition of moorland on Exmoor, 2008. Numbers indicate the moorland unit as defined in Landuse Consultants (2004). 5 Fyfe and Adams (2008): Exmoor AEAHIs The moorland line on Exmoor that is used within this project is a refinement of that developed within in Landuse Consultants (2004). The report used a combination of the Section 3 moor and heath and Defra’s moorland line (defined as LFAs which are predominantly upland vegetation used for rough grazing). At the time of the study digital transcriptions of open access land under the CROW act was not available and thus was not included. Landuse Consultants divided the moorland area into 22 units grouped into five sets (coastal heath, northern heather moors, grass moors of the centre, southern heather moors and the Brendon heaths). The definition used here is a result of refinement of these moorland units by ENPA to incorporate recently enclosed moorland (Figure 1). This results in a total of 283 km2 of moorland, representing 40% of the total area of ENP. 2004 AEAHI designations and criteria for inclusion In 2004 Wilson-North and Riley prepared the first designations of AEAHIs as a contribution to the Moorland at a Crossroads report (Landuse Consultants 2004). Forty-eight AEAHIs were designated which were designed to reflect the most important elements of the archaeology of the moorland. The areas were designated against the following criteria: 1. Numbers. Areas which included an unusual number, or concentration, of a particular type of monument or monument group 2. Associations. Areas where monuments can be shown to be associated with other groups of monuments, especially spatially or (more unusually) temporally. 3. Completeness. Areas where the survival of archaeological features is such that a relict landscape of a particular period is preserved, in a largely undamaged form, in a discrete area.