Mapping and assessment of landscape aesthetic quality in Lithuania
LTReikšminiai žodžiai: Landscape aesthetics; Geographic information systems; Territorial management; Ecosystem services.
ENMapping and assessing landscape aesthetic quality (LAQ) at the national level can provide valuable insights to scientists and policymakers about the general condition of targeted cultural ecosystem service (CES). A generalised view based on unified methodological standards allows comparing LAQ between countries, thus facilitating international environmental management policies. LAQ can be assessed by combining subjective and objective metrics. This approach makes it challenging to map and assess the LAQ at national scale since it requires consensus-based methodologies to be reliably applicable in a broader geographic region. The nationalscale studies related to LAQ are not common since they require high computational resources and differ in data accessibility. However, it is crucial to conduct broader LAQ studies to reveal the more general picture of LAQ condition and support (adjust) policy implementation at the national scale. More studies are needed to assess LAQ at the national level. This study aims to map and assess LAQ in Lithuania on the national scale. To achieve this aim, we adapted a LAQ mapping and assessment approach previously applied in Germany at the national scale. Based on previous work, we tested the methodology’s transferability by applying it in a different geographical region by using local datasets. In this study, we partially modified sub-indicators calculation methods and performed an additional in-depth analysis to gather more information on LAQ accessibility and condition in Lithuania. Geographic Information Systems modeling and spatial statistics analysis allowed for achieving this aim. The results revealed that agricultural and urban areas had the lowest landscape diversity, naturalness, uniqueness, and LAQ in general, while areas with high ruggedness, forests, protected areas, natural monuments, and heritage sites had the highest LAQ scores.Viewshed analysis showed that a significant part of Lithuanian territory with the highest LAQ values have limited visibility due to terrain energy and undulation. Curonian spit and Nemunas riverbanks are few of high LAQ areas with high visual accessibility potential. The patches with high LAQ were clustered in protected areas, while the lowest LAQ values were observed in agricultural lands and urbanised areas. LAQ CES assessment is critical for higher quality environmental management regulation practices. High LAQ areas may need a better protection and provide wellbeing for the population, while low LAQ areas may require additional restoration effort. It also provides a better understanding of the LAQ condition and contributes to achieve national, European, and global goals related to landscape planning, management, and sustainable development. [From the publication]
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