FOLIA GEOGRAPHICA 2013 (22), LV., pp. 81-94
Pamäte Kultúrnej Krajiny ako Nástroje Jej Hodnotenia
Memories of Cultural Landscape as Tools of Its Assessment
Ján Oťaheľ A*, Róbert Pazúr B
Received: May 10, 2013 | Revised: June 30, 2013 | Accepted: September 10, 2013
A* Institute of Geography SAS, Štefánikova 49, 814 73 Bratislava, Slovakia
otahel@savba.sk (corresponding author)
B Institute of Geography SAS, Štefánikova 49, 814 73 Bratislava, Slovakia
pazurrobert@gmail.com
Abstract
Cultural landscape is the legacy and product of long-term land use by our ancestors and their relationship to natural assets and historical conditions (stages) of the landscape. Identifying developmental stages and landscape memory layers enables an assessment of the human relationship to the landscape in the context of appropriate possibilities and proposals for further development. Suitable assessment tools include documents of natural-spatial conditions (geoecological memory) and historical land use patterns. This paper aims to highlight the significance of time-spatial records (documents) concerning the development of cultural landscapes for assessing spatial organization, diversity, stability (persistence) of land use, ecological stability, the character of changes, and human impacts on the landscape in selected regions (districts of Skalica and Prešov).
Key words: Cultural landscape, geoecological and cultural-historical memories, landscape diversity
Summary
Memories of Cultural Landscape as Tools of Its Assessment
Landscape is the result of substance-energy processes and interactions of contacting spheres (from the lithosphere to the atmosphere) around the Earth’s surface, which endow it with its natural character. Humans have modeled, cultivated, and recreated the natural landscape, eventually creating a new landscape sphere referred to as the cultural (humanized) landscape.
The heritage of the cultural landscape is inscribed in memories (documents), which can be differentiated into a sequence of material layers: the substance-energetic base of the natural landscape (geoecological memory) and the time-physical layers of the cultural landscape (historic physical memories). Immaterial effects of the cultural landscape can be identified through socio-economic functions, physiognomic traits of the landscape and their aesthetic effects, the spiritual legacy/message of historical circumstances, and the identity of the landscape (cultural and information memories).
Records of the material condition of the landscape can be verified using relatively objective documents such as maps of the natural landscape base, historical maps of land use, and aerial and satellite images. These documents also serve as effective tools for assessing the spatial organization of the landscape and were applied in the examples of the districts of Skalica and Prešov. Maps of natural landscape types were processed using geoecological methods at regional scales. Historical stages of land use were analyzed based on data layers of Slovakia’s land cover generated by the CLC method at a scale of 1:100,000 for 1990, 2000, and 2006 (CLC 1990, CLC2000, and CLC2006 databases).
Landscape diversity was computed using the Shannon index, based on the occurrence and area size of land cover classes in types of natural landscapes. Results point to the fragmentation (structural diversity) of the landscape, influenced by the diversity of the natural landscape and the ways and rate of its current use. Socio-economic functions, particularly their legal documents, are key regulators of economic plans and the eco-stabilizing capacity of the landscape. Nature and landscape conservation documents, as well as those concerning protective zones for water and medicinal sources, were fully respected when assessing the ecological stability of the cultural landscape in the Skalica district.
The stability of long-term land use was analyzed using forest areas as an example, identifying relatively stable (persistent) areas through the overlay of all data layers (natural landscape, CLC1990, CLC2000, and CLC2006) and comparing them with historical maps. The character of changes was interpreted within the context of methodological procedures, and the identified types were assessed based on the rate of human impact on the landscape. The human impact rate was differentiated into five grades, expressed by graded grey hues on the map, with the most intensive effect (5th grade) represented in black, indicating the irreversibility of changes due to the development of settlements, industrial, or transport areas.
Documents about the development and changes in physical landscape conditions are a primary requirement for validating the results of spatial analysis and assessment. However, planning a region’s development requires knowledge of the cultural memory of the landscape as inscribed in its physical objects, as well as the capacity to correctly decipher the memory information codes.
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