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A Multiscale Framework for Sustainable Management of Tufa-Forming Watercourses: A Case Study of National Park “Krka”, Croatia

Šiljeg, Ante; Marić, Ivan; Cukrov, Neven; Domazetović, Fran; Roland, Vlatko (2020) A Multiscale Framework for Sustainable Management of Tufa-Forming Watercourses: A Case Study of National Park “Krka”, Croatia. Water, 12 (11). ISSN 2073-4441

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Tufa sedimentary systems are sensitive fluvial landscapes subject to various external disturbances. Tufa landscape degradation reflected in negative hydrological changes and a decrease in the intensity of the tufa formation process have been detected in National Park Krka (Croatia). The main causes were recognized in the uncontrolled spread of invasive vegetation (Ailanthus altissima) and increased anthropogenic influence. Therefore, the Park administration launched the project, Management and Maintenance of Macro-Vegetation at Skradinski Buk (SB)— Development of a Multicriteria Model for Sustainable Management. The methodological framework was divided into three scales of research. The macro-scale research comprised a set of activities aimed at selecting the most suitable test surface within a wider area of the Skradinski Buk (SB) waterfall. The meso-scale research involved mapping the reference and final state of the vegetation and hydrological network after the removal of invasive vegetation and mitigation of negative anthropogenic impact. At the micro-scale, a monitoring system was established to track the quality of the tufa sedimentary system. Special emphasis was placed on the measurement of tufa formation dynamics (TFD) on limestone plates using a new methodological approach based on structure from motion (SfM) photogrammetry. Implementation of the proposed multiscale framework resulted in reactivation of tufa-forming watercourses, prevention of invasive vegetation regeneration and achievement of sustainable conditions for the tufa formation process. In reactivated watercourses, the average tufa growth rate was 4.267 mm a−1 (n = 18). Potential users of this framework include local authorities and administrators of protected areas.

Item Type: Article
Uncontrolled Keywords: tufa landscape degradation ; sustainable management ; tufa-forming watercourses ; invasive vegetation ; SfM photogrammetry ; National Park “Krka”
Subjects: TECHNICAL SCIENCES > Geodesy
Divisions: Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Laboratorij za geoprostorne analize-GAL / GALAnte ŠiljegUIP-2017-05-2694HRZZ
Depositing User: Neven Cukrov
Date Deposited: 11 Nov 2020 11:31
DOI: 10.3390/w12113096

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