@article{198,
  keywords = {Ecology and Environment},
  author = {Roy Helen E.},
  title = {Encounters with aliens Invasive species - they're here!},
  abstract = {Over the last century there has been a dramatic increase in the movement of so called alien species around the world as a consequence of international trade and travel. Invasive alien species, alongside climate change and habitat destruction, are considered to be one of the main drivers of biodiversity loss. Helen Roy asks: what are alien species and what threats do they pose?},
  year = {2010},
  journal = {Catalyst},
  volume = {20},
  pages = {20-22},
  month = {2010-02},
  url = {http://www.sep.org.uk/catalyst/articles/catalyst_20_3_450.pdf},
  language = {eng},
}