[Invasive-species] Black and watch lists of invasive species in Belgium

BRANQUART Etienne E.Branquart at mrw.wallonie.be
Fri Feb 3 18:18:53 CET 2006

Dear All,

I produced a first attempt of black and watch list of invasive species for Belgium (see word document here attached). Category definitions were modified to take into account remarks provided by Leo, Filip, Nora and Roger as much as possible ...

We now have two main categories that include species with a potential impact on environment, public health or economy, i.e. black and watch lists. It has to be noted that I decided to include in the black list some species which are not yet really naturalised or do not develop large populations in Belgium but that are well known to produce detrimental impacts in neighbour areas (e.g. Aedes, Ambrosia, Ludwigia, etc.). I think it is important not to omit them so that our list can be used as a tool to eradicate the first populations of undesirable species soon after their arrival in Belgium, which is the most cost efficient way to get rid of them.

The work file I used to categorise species is also attached (pdf file).  You will see that some species are still not included in any category as background information was missing... I hope I can rely on your own expertise on specific taxa to fill those gaps.

I hope we will succeed to finalise these lists as a product of the Belgian Invasive Species Forum before the SOS invasions meeting (lists should be distributed to conference attendees !). Any remark, suggestion, addition to the discussion document are of course very welcome through the discussion list (general discussion) or through my e-mail address solely (minor remarks or corrections).

Thank you in advance for your help. Have a very nice WE,


PS: Few economic pest species are included in the lists up to now. Do you think it is feasible to add major culture pathogens and pests in the lists (including fungi, nematodes, etc.) ? Do you know if this information is already available somewhere (AFSCA ? EPPO ?...) ?

Dr.  Etienne Branquart
Belgian Biodiversity Platform (SPO)
Ministere de la Region wallonne
Centre de Recherche de la Nature, des Forets et du Bois (DGRNE)
Avenue Marechal Juin, 23
B-5030 Gembloux- Belgium
Tel :   + 32 (0)81 620 420
Fax :  + 32 (0)81 620 436
E-mail : E.Branquart at mrw.wallonie.be
URL: http://www.biodiversity.be
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