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Acta Horti Botanici Bucurestiensis

The Journal of University of Bucharest

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2359-7089
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Neophytes In Protected Areas. Case Study: The Danube Delta Biosphere Reserve

Paulina Anastasiu / Gavril Negrean
  • University of Bucharest, Faculty of Biology and Botanical Garden “D. Brandza”, Intr. Portocalelor 1-3,
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Smarandache Daniela
  • University of Bucharest, Faculty of Biology and Botanical Garden “D. Brandza”, Intr. Portocalelor 1-3,
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Sanda Liţescu
  • University of Bucharest, Faculty of Biology and Botanical Garden “D. Brandza”, Intr. Portocalelor 1-3,
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Corina Basnou
Published Online: 2015-03-03 | DOI: https://doi.org/10.2478/ahbb-2014-0003

Abstract

The Danube Delta is a relatively young territory, formed about 14,000 years ago. It has quadruple status: Biosphere Reserve, Ramsar site, UNESCO World Heritage site, Natura 2000 site. Water and human activities are the most important factors influencing the flora of this area, including the penetration and spread of alien plants. The main goal of our research in this area was to inventory the alien plants and to identify those species which are invasive and potentially invasive in the natural and semi-natural ecosystems in order to propose measures for their prevention and mitigation. An inventory of these plants, conducted between 2009 and 2012 and based on bibliography and field research, comprises over 160 taxa. About half of them originated from America and less than a quarter of them from Asia. A relatively high number of species have unknown status in the Danube Delta; they were reported only from one or two localities and we did not record them during our extensive field work. In this category we also included some taxa of Xanthium without a very clear taxonomy. The taxa recorded as casual are usually ornamental plants escaped from cultivation; however among them there are some species which are known as invasive in other areas of Romania, as well as in Europe. There are 26 naturalised species, two of which established here over one hundred years ago. 37 invasive species were identified, many of them recorded in natural or seminatural places. In order to prevent and mitigate the spread of plants recognised as invasive, we propose the implementation of some measures such as providing relevant information to local communities and raising awareness about the damages caused by the alien species, and promoting further research on alien plant species in this protected area.

Keywords: Alien plants; Danube Delta; invasive; neophytes

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About the article

Received: 2014-08-13

Accepted: 2014-10-28

Published Online: 2015-03-03

Published in Print: 2014-11-01


Citation Information: Acta Horti Botanici Bucurestiensis, Volume 41, Issue 1, Pages 41–68, ISSN (Online) 2359-7089, DOI: https://doi.org/10.2478/ahbb-2014-0003.

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© 2015. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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