| Titre : | Ornis Fennica 98(1) - January, 2021 |
| Type de document : | Bulletin |
| Paru le : | 01/01/2021 |
Dépouillements
Article
Emily A. Strong, Auteur ;
Steve M. Redpath, Auteur ;
Teresa Montras-Janer, Auteur ;
Johan Elmberg, Auteur ;
Johan Mansson, Auteur
Over the last 40 years, many goose populations have recovered from historic lows and are now more numerous than ever. At the same time, geese have shifted from natural foraging habitats to securing most of their nutritional demands from agricult[...]
Article
Alejandro Corregidor-Castro, Auteur ;
Thomas E. Hohn, Auteur ;
Thomas Bregnballe, Auteur
The use of Unmanned Aerial Vehicles (UAVs) to monitor large colonies of seabirds avoids challenges associated with conventional methods, but manual image processing is expensive. Development of semi-automated analytical methods rely on high imag[...]
Article
Aleksi Lehikoinen, Auteur ;
Alison Johnston, Auteur ;
Dario Massimino, Auteur
Climate change and human land use are causing changes to species ranges and abundances. However, factors influencing the species-specific speed and direction of changes are not well understood. In addition, intra-specific variation in the respon[...]
Article
Martin Pearson, Auteur ;
Magne Husby, Auteur
After more than a century of persecution and low reproduction rate, the Eagle Owl is extinct, scarce or still declining in many areas. One possible mitigating action is to supply them artificially with food, but earlier experiments with suppleme[...]
