| Titre : | Ornis Fennica 86(3) - 2009 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Timo Vuorisalo, Auteur ;
Esa Lehikoinen, Auteur ;
Risto Lemmetyinen, Auteur
Article
Joanna A. Skwarska, Auteur ;
Adam Kaliński, Auteur ;
Jaroslaw Wawrzyniak, Auteur ;
Jerzy Bańbura, Auteur
Article
The spring timing of arrival of migratory birds: dependence on climate variables and migration route
Vello Palm, Auteur ;
Aivar Leito, Auteur ;
Jaak Truu, Auteur ;
Oliver Tomingas, Auteur
We analyzed the relationships between the spring arrivals of 42 migratory bird species breeding in Estonia, and mean March and April air temperature, the start of three springtime climatic seasons, and two seasonal North Atlantic Oscillation (NA[...]
Article
Dimitrios E. Bakaloudis, Auteur
The major threat to Short-toed Eagles (Circaetus gallicus) is the reduction of suitable foraging habitats, but no quantitative studies have been conducted to understand this process. Here, the spatial distribution of foraging Short-toed Eagles w[...]
Article
Martti Hario, Auteur ;
Jukka Rintala, Auteur
The Baltic/Wadden Sea Common Eider (Somateria m. mollissima) population may have declined by one-third between 1991 and 2000, based on counts carried out on the species wintering grounds, Denmark in particular. However, less drastic reductions h[...]
