Determinants of the little auk (Alle alle) breeding colony location and size in W and NW coast of Spitsbergen

LK Keslinka, K Wojczulanis-Jakubas, D Jakubas… - PLoS …, 2019 - journals.plos.org
Many seabirds breed in large aggregations, making it difficult to estimate their population
size and habitat preferences. This knowledge is particularly important considering their …

Molecular tools prove little auks from Svalbard are extremely selective for Calanus glacialis even when exposed to Atlantification

K Balazy, E Trudnowska, K Wojczulanis-Jakubas… - Scientific Reports, 2023 - nature.com
Two Calanus species, C. glacialis and C. finmarchicus, due to different life strategies and
environmental preferences act as an ecological indicators of Arctic Atlantification. Their high …

DNA metabarcoding reveals high diversity of fish and macrofaunal species in diets of little auks and other Arctic seabird species in Svalbard

JJ de Leeuw, X van den Brink, GW Gabrielsen… - Polar Biology, 2024 - Springer
Climate change is a major concern for the future of marine Arctic food webs. Diet shifts of
seabirds can be used as indicators of environmental changes such as species compositions …

[HTML][HTML] Gone with the wind–Wind speed affects prey accessibility for a High Arctic zooplanktivorous seabird, the little auk Alle alle

D Jakubas, K Wojczulanis-Jakubas… - Science of the Total …, 2022 - Elsevier
Foraging ecology of chick rearing seabirds is affected mainly by the food availability on
feeding grounds, but it can be also modulated by environmental conditions during the …

Decline in the West Greenland population of a zooplanktivorous seabird, the little auk Alle alle

D Jakubas, K Wojczulanis-Jakubas, A Petersen… - Scientific Reports, 2024 - nature.com
The warming of the Arctic had lead to a diverse range of impacts on local biota, including
northward shifts of some species range. Here, we report past and present distribution and …

[HTML][HTML] A quiet extirpation of the breeding little auk Alle alle population in Iceland in the shadow of the famous cousin extermination

D Jakubas, K Wojczulanis-Jakubas… - Science of the Total …, 2022 - Elsevier
The little auk Alle alle is an Arctic seabird breeding in the North Atlantic. Its southernmost
breeding population in the Low Arctic occurred in Iceland but started to decline in numbers …

Zooplankton phenology may explain the North Water polynya's importance as a breeding area for little auks

EF Møller, KL Johansen, MD Agersted, F Rigét… - Marine Ecology …, 2018 - int-res.com
The little auk Alle alle is the most abundant seabird in the North Atlantic, and> 80% of the
global population breeds along Greenland's shores of the North Water (NOW) polynya …

Sex differences in foraging ecology of a zooplanktivorous little auk Alle alle during the pre-laying period: insights from remote sensing and animal-tracking

D Jakubas, K Wojczulanis-Jakubas, LM Iliszko - Frontiers in Zoology, 2024 - Springer
Background Energy and time allocation in seabirds differ between consecutive stages of
breeding given various requirements of particular phases of the reproductive period. Theses …

Dynamics of Calanus Copepodite Structure during Little Auks' Breeding Seasons in Two Different Svalbard Locations

K Balazy, E Trudnowska, K Błachowiak-Samołyk - Water, 2019 - mdpi.com
Populations dynamics of key zooplankton species in the European Arctic, Calanus
finmarchicus and Calanus glacialis (hereafter defined as Calanus) may be sensitive to …

Intra-seasonal variation in zooplankton availability, chick diet and breeding performance of a high Arctic planktivorous seabird

D Jakubas, K Wojczulanis-Jakubas, R Boehnke… - Polar Biology, 2016 - Springer
Different phenological responses to climate changes by species representing preys and
predators may lead to mismatch between functionally dependent components of an …