Little auk distribution

Author: lskx

August undefined, 2024

Web28 mrt. 2014 · During the last decade, increasing information on little auk (Alle alle) biology, ecology and behaviour has been reported. However, only a few of these studies have focused on the breeding population in the Avanersuaq (Thule) district of Northwest Greenland, where 80 % of the global little auk population is estimated to breed. This … WebThe little auk (Alle alle) is the most numerous of the Atlantic Alcidae. It breeds mainly within the high arctic region, with major populations in Greenland, Svalbard and Franz Josef …

Little Auk - Alle alle - (Linnaeus, 1758)

Webspring distribution of Little Auks off central Nor- way will require more detailed studies of their diet seasonally and the distribution of their prey. Densities of 1,000-1,500 Little … Web6 mrt. 2024 · As we expected, the little auk colonies along the NW Spitsbergen coast showed a non-random distribution. The probability of colony occurrence was … cly-001

Little auk – Norsk Polarinstitutt

WebTemporal and Spatial Distribution Patterns of Mixed-species Bird Flocks in Autumn in Three Parallel Rivers, Yunnan ... there is little research on the local spatiotemporal changes of mixed species bird flocks, especially on larger latitudes and elevation gradients. From September 13 to October ... The Auk, 2024, 137(2):doi: 10.1093/auk/ukz079 WebThe Little Auk, being a little/medium-size seabird (body mass 140-180 g), represents a group of avian species for which stress-induced changes in body surface temperature … WebThe Little Auk is protected under the European Birds Directive and the Nature Conservation Act. No Natura 2000 areas have been designated in the Netherlands for this species. … cl xyz ty

Composition of chick meals from one of the main little auk

Fledging success of little auks in the high Arctic: do provisioning ...

WebDistribution The little auk is a high-arctic species that breeds on eastern Baffin Island (Canada), Greenland, Jan Mayen, Svalbard (including Bjørnøya), Franz Josef Land, Novaya Zemlyaand Severnaya Zemlya. Two sub-species of the little auk are recognized; the nominate race A. a. alle and the significantly larger A. a. polaris. Web22 feb. 2014 · The quality of the little auk’s foraging ground is largely influenced by the distribution of warm Atlantic (T > 3 °C, salinity > 34.9 PSU) and cold Arctic (T < 0 °C, salinity: 34.3–34.8 PSU) water masses (Saloranta and Svendsen 2001) that regulate the distribution and abundance of these three Calanus species (Willis et al. 2006; Daase … cach tat ban phim laptop hphttp://datazone.birdlife.org/species/factsheet/little-auk-alle-alle/details cach tat bing

"Web12 apr. 2013 · Study areas and field work. We performed the study on the shelf of West Spitsbergen, in the sea area adjacent to a large little auk colony in Hornsund fjord, which had previously been studied as a little auk feeding ground (Karnovsky et al. 2003, 2010; Jakubas et al. 2011).The Hornsund area is influenced by two current systems: firstly, the … " - Little auk distribution

Little auk distribution

On the crucial importance of a small bird: The ecosystem services …

WebLittle auks are the smallest species of auk seabirds, reaching a maximum length of 7.8 inches (20 cm) and weight of 0.7 ounces (20 g). 2. Little auks can be found on … Web7 Lovely Little Auk Facts. 1. The sheer numbers of Little Auks can have a major impact on the areas around their breeding grounds since they transport marine-based nutrient onto land where it is left as guano. 2. Little Auk chicks grow faster than those of any other species of Auk. 3. Little Auks are the most populous form of bird in Svalbard. 4.

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Web6 mrt. 2024 · In this study, we investigated the factors affecting distribution and abundance of the little auk Alle alle, a seabird considered a keystone species of the Arctic ecosystem. ... We estimated the Spitsbergen little auk breeding population at 728 529 (5–95% CI: 479 312–986 352). Spitsbergen comprises ca 1.9% ... WebAuks are superficially similar to penguins, having black-and-white colours, upright posture, and some of their habits. Nevertheless, they are not closely related to penguins, but rather are believed to be an example of moderate convergent evolution. Auks are monomorphic (males and females are similar in appearance).

WebPopulation justification: The global population is estimated to number c.16,000,000-36,000,000 individuals (del Hoyo et al. 1996). However the European population alone … Web30 jan. 2014 · Some genetic differentiation of the little auk populations might be expected, given the insular pattern of distribution of the little auk colonies (Fig. 1) in combination with presumably high rate of nest-site fidelity (K. Wojczulanis-Jakubas, unpublished data and per analogiae to related species of similar life-history traits, reviewed in Divoky and Horton …

WebThe little auk or dovekie is a small auk, the only member of the genus Alle. Alle is the Sami name of the long-tailed duck; it is onomatopoeic and imitates the call of the drake duck. … Web17 sep. 2024 · The Little auk is amongst the first migratory birds to return to their breeding sites in the high Arctic, where they arrive as early as April or early May. They leave in …

http://datazone.birdlife.org/species/factsheet/22694837

WebAn auk or alcid is a bird of the family Alcidae in the order Charadriiformes. The alcid family includes the murres, guillemots, auklets, puffins, and murrelets. The family contains 25 … cach tat bing tren edgeWeb6 mrt. 2024 · We estimated the Spitsbergen little auk breeding population at 728 529 (5-95% CI: 479 312-986 352). Spitsbergen comprises ca 1.9% (95% CI: 1.2%-2.7%) of the world breeding population and... cly-002The little auk or dovekie (Alle alle) is a small auk, the only member of the genus Alle. Alle is the Sami name of the long-tailed duck; it is onomatopoeic and imitates the call of the drake duck. Linnaeus was not particularly familiar with the winter plumages of either the auk or the duck, and appears to have confused the two species. Other common names include rotch, rotche, and sea dove, although … cach tat ban phim laptop win 11Web11 apr. 2024 · In contrast, little auk survival may be affected by changes in spring sea-ice (assuming that the detected effect is not spurious). This would be coherent with previous results found in the same population suggesting that little auk survival was affected by summer environmental conditions (Hovinen et al., 2014; Descamps et al., 2024). cly-2tnWebDistribution. The little auk is a high-arctic species that breeds on eastern Baffin Island (Canada), Greenland, Jan Mayen, Svalbard (including Bjørnøya), Franz Josef Land, … cach tat bing safesearchWebThe Little Auk Alle alle is a small planktivorous auk breeding colonially in the High Arctic. Owing to its large population size and bi-environmental lifestyle, resulting in the large-scale... cach tat bao ve win 11Webthe little auk colonies. We also tested the nesting preferences for geographical features such as aspect, slope angle, altitude, solar radiation, rock type, and distance to foraging grounds. Our findings indicate that the occurrence of little auk breeding colonies is non-random and highly attributed to environmental factors. cly-21b