Questionaire for online databases of alien species

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Personal details
Professional background

Which of the following categories best describe the environments in which you have the greatest expertise? (You can select more than one option.)


Which of the following major taxonomic group(s) are you interested in? (You can select more than one option.)


At which scale do you usually request the information? (You can select more than one option.)

In case of any questions do not hesitate to contact us at pergl(at)
The questionnaire is a part of the project Alien challenge - COST TD1209 coordinated by Helen Roy