2025-04-22 00:00:00 Sign up, join our field observation collectors, and let's go ... You will be able to mobilize on the surveys that interest you and make your valuable contribution. How it works ? You are in the field and you want to gather information. You click, you geolocate, you enter additional information and you're good to go. On SIRENE Tech., You can also see other observations, discuss with other members, be alerted when interesting information is broadcast ...