| Titre : | The efficiency of three-visit square surveys vs. one-visit line transects in censusing sparsely distributed birds in managed forest landscapes |
| Auteurs : | Tapio Solonen, Auteur ; Jukka Jokimäki, Auteur |
| Type de document : | Article |
| Dans : | Bird Conservation International (21(2) JUN 2011) |
| Article en page(s) : | 156-171 |
| Langues: | Anglais |
| Résumé : | We conducted three-visit surveys of 1-km(2) plots and traditional Finnish single-visit line transects (considering only the 50 m wide main belt) to evaluate these methods in censusing of a predetermined set of |



