Arctic amplification, the accelerated climate warming in the polar regions, is causing a more
rapid advancement of the onset of spring in the Arctic than in temperate regions …

Summary 1 Since the early 1990s, an increasing proportion of barnacle geese, Branta
leucopsis, bound for breeding sites in the Russian Arctic delay their departure from the …

Highly pathogenic avian influenza virus (HPAIV) A H5, particularly clade 2.3. 4.4, has
caused worldwide outbreaks in domestic poultry, occasional spillover to humans, and …

Arctic migration presents unique challenges to circadian physiology. In addition to the
metabolic cost of maintaining a relatively high body temperature (Tb) above ambient …

We compared the use of body stores in breeding Barnacle Geese (Branta leucopsis) in
traditional Arctic colonies in the Barents Sea with that in recently established temperate …

Over the past decades most goose populations have become increasingly dependent on
agricultural crops during wintering and migration periods. The suitability of agricultural crops …

White-fronted Goose Flyway Population Status Page 1 1 Helmut Kruckenberg, Alexander
Kondratyev, Johan H. Mooij, Christoph Zöckler & Elmira Zaynagutdinova White-fronted Goose …

Highly pathogenic avian influenza virus (HPAIV) A H5 clade 2.3. 4.4 has caused worldwide
outbreaks in domestic poultry, occasional spillover to humans, and increasing deaths of …

By extending their arctic breeding locations to more temperate latitudes such as the Dutch
delta, barnacle geese expose themselves to “dirtier” environments in which a higher …

The field research for this thesis was possible within the framework of the annual Kolguev
expedition of European White-fronted Goose Research Programme. The expedition was …