Low persistence of a monocarpic invasive plant in historical sites biases our perception of its actual distribution

0381277 - BÚ 2013 RIV GB eng J - Journal Article
Pergl, Jan - Pyšek, Petr - Perglová, Irena - Moravcová, Lenka
Low persistence of a monocarpic invasive plant in historical sites biases our perception of its actual distribution.
Journal of Biogeography. Roč. 39, č. 7 (2012), s. 1293-1302. ISSN 0305-0270. E-ISSN 1365-2699
R&D Projects: GA AV ČR IAA600050811; GA MŠMT LC06073
Institutional research plan: CEZ:AV0Z60050516
Institutional support: RVO:67985939
Keywords : biological invasions * Czech Republic * Heracleum mantegazzianum
Subject RIV: EF - Botanics
Impact factor: 4.863, year: 2012

The use of cumulative historical records as a measure of species distribution, which is common in invasion literature, can seriously overestimate the actual distribution of alien plant species with low persistence. In the case of alien species such as H. mantegazzanium , which is non-clonal and reproduces only by seed, estimates of distribution and spread based on historical data are informative about potentially suitable habitat but may be unreliable as indicators of current occurrence and invasion dynamics.
Permanent Link: http://hdl.handle.net/11104/0211789