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The Assessment of Favourability and Spatio-Temporal Dynamics of Pinus Mugo in the Romanian Carpathians Using GIS Technology and Landsat Images

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Faculty of Geography, Babeș Bolyai University, Clinicilor Street 4-7, 400006 Cluj Napoca, Romania
2
Faculty of Horticulture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
3
Cluj Collective Research, National Institute for Research and Development in Forestry “Marin Drăcea”, 400202 Cluj-Napoca, Romania
4
Cluj-Napoca Subsidiary Geography Section, Romanian Academy, 400015 Cluj-Napoca, Romania
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(13), 3678; https://doi.org/10.3390/su11133678
Received: 13 May 2019 / Revised: 30 June 2019 / Accepted: 1 July 2019 / Published: 4 July 2019
Favourability classification for forest species represents a fundamental activity for deriving technological solutions in forestry, as specialists need detailed information about the ecological requirements of forest species from environmental factors: climate, pedological characteristics and morphometric characteristics of the study area. The purpose of the present study was the use of the qualitative data extracted from the ecological records of the Pinus mugo species and the generation of a complex geospatial database for the entire territory of Romania. The results were represented by a collection of thematic maps generated on favourability classes for the Romanian Carpathians, as well as for the major landform subunits which had been the basis for the statistical analysis of the results. The validation of the results was performed by comparing the results obtained through the application of the model which used the frequency points reported in the European Atlas of the Forest Tree Species from Europe, 2016. In order to identify the spatio-temporal dynamics, LANDSAT satellite images from 30 years were used, which enabled the identification of the expansion and the reduction in size of the Pinus mugo area at a zonal level, a process which is dependent on natural factors, like climatic variations, or anthropic factors (overgrazing or works of cleaning the montain pastures). View Full-Text
Keywords: NDVI; Pinus mugo; ecological favourability NDVI; Pinus mugo; ecological favourability
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Roșca, S.; Șimonca, V.; Bilașco, Ș.; Vescan, I.; Fodorean, I.; Petrea, D. The Assessment of Favourability and Spatio-Temporal Dynamics of Pinus Mugo in the Romanian Carpathians Using GIS Technology and Landsat Images. Sustainability 2019, 11, 3678.

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