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dc.contributor.authorCiosek, Marek
dc.contributor.authorKrechowski, Janusz
dc.contributor.authorPiórek, Katarzyna
dc.contributor.authorSikorski, Roman
dc.identifier.otherDOI: 10.1515/frp-2015-0003
dc.description.abstractThis paper presents the results of studies carried out on Ptelea trifoliata populations in the Wyszków Forest District in 1998 and 2013. P. trifoliata is a native species of North America (United States of America, northern part of Canada) and has a wide ecological range. However, it prefers fertile, wet soils and moderate light. In Europe, it is planted for its decorative value and is mainly found in synanthropic habitats (parks, graveyards, roadsides, fortifications) in Poland. The station of P. trifoliata is situated in the oak-hornbeam forest, Tilio–Carpinetum typicum, with a significant fraction of the stand consisting of Pinus sylvestris. Hop trees occur mainly along forest section lines and are rarely found inside the sections. In the last 15 years, an increase in the number and size of P. trifoliata clusters has been observed. The species spreads along forest section lines, which form a convenient migration route by creating favourable conditions for the germination and growth of seedlings (good access to light, fragments of bare soil). The presence of new individuals far from the pre-existing clusters indicates that the generative way of propagation dominates. Biometric measures indicate significant differences in length and width of whole leaves as well as leaflets, with leaves and leaflets of vegetative specimens significantly larger than generative ones. As a consequence of the high rate of P. trifoliata expansion along forest section lines and occurrence of single specimens inside the forest sections, we assume this species to be potentially invasive.pl_PL
dc.description.sponsorshipThe research was financed under the statutory Project No. 65/94/S of the Siedlce University of Natural Sciences and Humanities.pl_PL
dc.publisherInstytut Badawczy Leśnictwa (Forest Research Institute), Sekocin Stary, Polandpl_PL
dc.rightsCreative Commons Uznanie autorstwa na tych samych warunkach 3.0 Polska
dc.subjectbiometric studiespl_PL
dc.subjectspreading of speciespl_PL
dc.subjectWyszków Forest Districtpl_PL
dc.subjectPtelea trifoliatapl_PL
dc.titleThe station of the hoptree (Ptelea trifoliata L. ssp. trifoliata) in the forests of the Wyszków Forest Districtpl_PL
dc.title.alternativeStanowisko parczeliny trójlistkowej Ptelea trifoliata L. ssp. trifoliata w lasach Nadleśnictwa Wyszkówpl_PL
dc.contributor.organizationSiedlce University of Natural Sciences and Humanities, Institute of Biology, Department of Botany, ul. B. Prusa 12, 08–110 Siedlce, Polandpl_PL
dc.description.epersonPrzemysław Szmit

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Creative Commons Uznanie autorstwa na tych samych warunkach 3.0 Polska
Except where otherwise noted, this item's license is described as Creative Commons Uznanie autorstwa na tych samych warunkach 3.0 Polska