PESI web-portal statistics showing the number of unique (monthly) visitors and the number of (monthly) visits since the start of the project (see: Suppl. material 35).

 
  Part of: de Jong Y, Kouwenberg J, Boumans L, Hussey C, Hyam R, Nicolson N, Kirk P, Paton A, Michel E, Guiry M, Boegh P, Pedersen H, Enghoff H, von Raab-Straube E, Güntsch A, Geoffroy M, Müller A, Kohlbecker A, Berendsohn W, Appeltans W, Arvanitidis C, Vanhoorne B, Declerck J, Vandepitte L, Hernandez F, Nash R, Costello M, Ouvrard D, Bezard-Falgas P, Bourgoin T, Wetzel F, Glöckler F, Korb G, Ring C, Hagedorn G, Häuser C, Aktaç N, Asan A, Ardelean A, Borges P, Dhora D, Khachatryan H, Malicky M, Ibrahimov S, Tuzikov A, De Wever A, Moncheva S, Spassov N, Chobot K, Popov A, Boršić I, Sfenthourakis S, Kõljalg U, Uotila P, Olivier G, Dauvin J, Tarkhnishvili D, Chaladze G, Tuerkay M, Legakis A, Peregovits L, Gudmundsson G, Ólafsson E, Lysaght L, Galil B, Raimondo F, Domina G, Stoch F, Minelli A, Spungis V, Budrys E, Olenin S, Turpel A, Walisch T, Krpach V, Gambin M, Ungureanu L, Karaman G, Kleukers R, Stur E, Aagaard K, Valland N, Moen T, Bogdanowicz W, Tykarski P, Węsławski J, Kędra M, M. de Frias Martins A, Abreu A, Silva R, Medvedev S, Ryss A, Šimić S, Marhold K, Stloukal E, Tome D, Ramos M, Valdés B, Pina F, Kullander S, Telenius A, Gonseth Y, Tschudin P, Sergeyeva O, Vladymyrov V, Rizun V, Raper C, Lear D, Stoev P, Penev L, Rubio A, Backeljau T, Saarenmaa H, Ulenberg S (2015) PESI - a taxonomic backbone for Europe. Biodiversity Data Journal 3: e5848. https://doi.org/10.3897/BDJ.3.e5848