Scholarly record
MAPPING THE FAVORABILITY ZONES FOR THE REINSTALLATION OF NATURAL VEGETATION IN NEGOIU ROMANESC- PIETRICELUL AREA, CALIMANI MOUNTAINS
Abstract
The research area is located in Calimani National Park, Eastern Carpathians, northern Romania. About 2\% of the park surface was seriously affected by the sulfur exploitation during 1977-1993. More than 300 ha of vegetation were destroyed revealing the rock surface, which was then excavated and deposited in four heaps close to the excavation. The main goal of this research was to map the favorability areas for natural recovery of the vegetation and the probability for plants to spread on barren substrates. The study uses a plots network and GIS application in order to generate a map with the main vegetation patch types. This map was obtained by compiling field data and ortophotoplans and the following patch types were obtained: patches with vegetation, patches with bio-potential, patches without vegetation, heaps plateaus and embankments. Observed within these patches 29 plant species were identified, including bryophytes, lichens and fungi. Data and map analysis showed positive correlation between substrate type and vegetative species diversity. Plant growth was not facilitated in areas seriously affected by excavation with high concentration of pollutants. A positive correlation between micro-geomorphology and vegetation expansion was noted mostly on the heap’s plateaus, where plants grow in micro-valleys formed by barren deposition
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References10
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