Invasive alien plants in Croatia as a threat to biodiversity of South-Eastern Europe: Distributional patterns and range size
2013
Nikolić, Toni | Mitić, Božena | Milašinović, Boris | Jelaska, Sven D.
During the analysis of alien and invasive flora of Europe, as a threat to biodiversity, data for Croatia were missing. The aim of our research was to analyse distributional patterns and range size of all invasive alien plants (64) for the state area (57,000km2). They were detected on 49% of the state territory, averaging five taxa per 35km2. The greatest number of invasive plants (>30 per grid cell) was recorded in the major urban centres, increasing in the south-east direction and reflecting positive correlation with temperature and negative with altitude. The most endangered areas are in the Mediterranean region, especially on islands. The number of invasive plants increased with habitat diversity and almost 75% of all sites with invasive plants are located within a few habitats with direct anthropogenic influence. The results should provide a reliable regional and global basis for strategic planning regarding invasive alien plants management.
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