• Piotr Rzymski, Piotr Klimaszyk, and Barbara Poniedziałek.
• Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland. Electronic address: rzymskipiotr@ump.edu.pl.
• Burns. 2015 Dec 1; 41 (8): 1816-22.

AbstractThe Caucasian giant hogweeds (Heracleum sosnowskyi Manden. and Heracleum mantegazzianum Sommier et Lever) are aggressive invaders that are successfully spreading in different parts of the world. Exposure of human skin to these plants may lead to phototoxicity and even chemical burns manifested by cutaneous, full-thickness, and long-lasting dermatitis, and in extreme cases, massive skin necrosis. Forestry workers are a group with potentially increased risk of exposure to these plants because of the outdoor nature of their work and their active involvement in managing invasive species. Therefore, in this study, we aimed at investigating their level of awareness with regard to the giant hogweeds in Poland. The morphology of the plants, health threats, treatment, and control methods were all considered. We also evaluated the distribution of these plants within forest districts in Poland. For this reason, we surveyed 1563 employees (forest rangers, manual workers, and administration staff) of the State Forests National Forest Holding in Poland "State Forests," working in 367 different forest districts. It was initially found that the forestry workers were generally aware of the giant hogweeds' morphology and phototoxicity. More than 20% of the surveyed individuals had been exposed to these plants at least once in their lives, but only less than half of them were aware of proceeding afterward. At the same time, <35% of those surveyed had any knowledge of the control and management of these giant hogweeds. As demonstrated by our study, stands of these species are widely distributed within the Polish forest districts (reported in over 50%). Therefore, there is an urgent need to implement an efficient, multistrategic, and long-term approach to both control their spread and protect human health.Copyright © 2015 Elsevier Ltd and ISBI. All rights reserved.

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