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Observing

I observe along transsects that represent similar ecological conditions and that are not separated by natural or artificial barriers. An uniform long beach of 12km length may form a single transsect, as well as a small rocky bay that it is clearly limited by two capes. I mark in a list the species I see. The list has only common species. It is created by the database. Species that are already recorded in the database are marked with a cross.