Invasive dispersal risk assessment of black locust, box elder, red ash, and tree of heaven in hungarian national forests

Authors

  • Viktor Tiborcz University of Sopron, Faculty of Forestry, Department of Botany and Nature Conservation 9400 Sopron, Bajcsy-Zsilinszky u. 4.
  • Ferenc Major University of Sopron, Faculty of Forestry, Department of Botany and Nature Conservation 9400 Sopron, Bajcsy-Zsilinszky u. 4.
  • Gergely Zagyvai University of Sopron, Faculty of Forestry, Department of Botany and Nature Conservation 9400 Sopron, Bajcsy-Zsilinszky u. 4.
  • Dénes Bartha University of Sopron, Faculty of Forestry, Department of Botany and Nature Conservation 9400 Sopron, Bajcsy-Zsilinszky u. 4.

DOI:

https://doi.org/10.56617/tl.3468

Keywords:

nearest neighborhoud forest compartment, invasive tree species, fruit dispersal distance, buffer zone

Abstract

A risk assessment study was done to investigate invasive plant dispersal in managed Hungarian forests, based on the National Forest Database. Four invasive tree species, most wind dispersed, Robinia pseudoacacia (black locust), Acer negundo (box elder), Fraxinus pennsylvanica (red ash), and Ailanthus altissima (tree of heaven) were studied. Three variables were observed in order to measure invasion risk: fruit/seed dispersal rate in area within buffer zone, neighbouring distance of forest compartments, and seed dispersal mixture rate of invasive species. These variables were weighted for each forest region then classified according to summarized value of invasiveness. Results show that the average mixture rate of invasive species in a forest region does not mean a higher risk of invasiveness, since the neighbouring and dispersal rate of invasive species inside buffer zones play a more important role. The most endangered forest regions for invasive tree dispersal was the Danube islands, Lower and Middle Tisza floodplain, Tolna region and Szekszárd Hills, Lower and Middle Danube floodplain, Tápió–Zagyva region, Győr–Tata region, and Nyírség.

Author Biography

  • Viktor Tiborcz, University of Sopron, Faculty of Forestry, Department of Botany and Nature Conservation 9400 Sopron, Bajcsy-Zsilinszky u. 4.

    corresponding author
    tiborcz.viktor@uni-sopron.hu

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Published

2019-07-11

Issue

Section

Articles

How to Cite

Invasive dispersal risk assessment of black locust, box elder, red ash, and tree of heaven in hungarian national forests. (2019). JOURNAL OF LANDSCAPE ECOLOGY | TÁJÖKOLÓGIAI LAPOK , 17(1), 93-106. https://doi.org/10.56617/tl.3468