By P Pysek, M Cock, W Nentwig, H Ravn
The enormous Hogweed Heracleum mantegazzianum is a pernicious invasive species, with major effect on human well-being because of its phytoxic sap. From its local zone, the Caucasus, it has unfold throughout Europe growing critical environmental and illnesses. This publication, the output of a three-year ecu undertaking concerning forty eu specialists, is an authoritative compendium of present wisdom in this striking invasive plant and may facilitate stronger administration. it's a useful source for either practitioner and scholar, and covers themes together with taxonomy, genetics, copy, inhabitants ecology, and invasion dynamics. It additionally studies the probabilities of mechanical, chemical and organic regulate.
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Extra resources for Ecology and Management of Giant Hogweed: (Heracleum mantegassiannum)
Note the semi-logarithmic scale. 0001. Based on data from Jahodová et al. (2007). S˘. Jahodová et al. 16 Preliminary results (based on two to four samples per population) of the genetic variation at the population level within all three Heracleum taxa ˘ . , unpublished) reveal a higher within-population varia(S tion in H. mantegazzianum and H. 2). , 1975; Ward, 2006). These ﬁndings are in general agreement with those previously reported by Walker et al. (2003), who conducted a population-genetic study of H.
2007) for two populations from Estonia and Latvia (determined as H. mantegazzianum) and one from Denmark (determined as H. sosnowskyi), which are genetically closer to the populations from the native than the invaded range (Fig. 4). Such results suggest an independent, and quite likely also a more recent, introduction at these locations. Taxonomy, Identiﬁcation, Genetic Relationships and Distribution 15 Jahodová et al. (2007) noted a lack of correlation between genetic and geographical distance for all three invasive Heracleum taxa in Europe.
Erneberg, M. P. (2003) The introduction history of giant hogweed in Denmark. URT 27, 43–49. ] Christy, W. (1837) Notes of a voyage to Alten, Hammerfest, etc. Entomological Magazine 4, 462–583. , Huntley, B. E. (2000) Predicting the spatial distribution of alien riparian species: issues of spatial scale and extent. Journal of Applied Ecology 37 (Suppl. 1), 13–27. Fading, P. F. (2005) Heracleum. In: Flora of China Editorial Committee (eds) Flora of China Vol. Science Press, Beijing and Missouri Botanical Garden Press, St Louis, p.