Quantification of forest fragmentation in pre- and post-establishment periods, inside and around Apuseni Natural Park, Romania

Environmental Monitoring and Assessment
Iosif Vorovencii

Abstract

Protected areas (PAs) represent real cornerstones in the conservation of biodiversity and natural habitats. Their protection must be a priority today for each society. The enhanced socio-economic requirements increase the pressure upon protected areas, and the effect can result in a reduction of biodiversity. The aim of this study is to quantify forest fragmentation in the pre- (1986-2002) and post-establishment (2002-2016) periods, inside and around (buffer 1, buffer 2 and buffer 3) Apuseni Natural Park (ANP), Romania, using a series of classified Landsat satellite images and six landscape metrics. The results show that forest fragmentation occurred both in the pre- and post-establishment periods, inside and around ANP. Inside the park, the deforestation rate increased four times, from 0.03% year-1 in the pre-establishment period to 0.14% year-1 in the post-establishment period. Around the park, the deforestation rate decreased from 0.31% year-1 in the pre-establishment period (buffer 1) to 0.10% year-1 in the post-establishment period (buffer 1). Forest fragmentation resulted in an increase in the patch density and edge density, and a decrease in the total core area and mean patch size leading to isolation of patches and frag...Continue Reading

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