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Little auk distribution

WebDistrict include distribution maps (e.g. Roby et al. 1981). These are, however, not adequate for future en-vironmental impact assessments or oilspill contingency planning. This paper describes an up-to-date mapping of the little auk colonies in Thule District and remarks on the conservational status, as well as the threats to the population. Web15 mei 2003 · Little auk distribution at sea. Uncircled points represent sites where no birds were seen. The size of the circles corresponds to the density of birds (no. birds km-2 ) seen in 3 km bins. f, J ...

A quiet extirpation of the breeding little auk - ScienceDirect

Web11 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). WebThe 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... kate saxelby sunshine coast https://bear4homes.com

Little Auk - Oceana

Web6 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... 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 … katery\\u0027s eatery port jervis ny

Determinants of the little auk (Alle alle) breeding colony location …

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

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Little auk distribution

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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 … 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 …

Little auk distribution

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WebIn this study, we investigate the non-breeding distribution of the little auk (Alle alle), a small (150 g) and abundant [> 80 million individuals (Egevang et al., 2003)] high-Arctic seabird. Initial investigations showed that during their non-breeding season, little auks concentrate within particular hotspots located in the Greenland Sea and in the north-west … 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 …

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 … 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/little-auk-alle-alle/details Web19 mei 2024 · Using GPS-tracked individuals, we compared foraging ecology and reproductive output of a High-Arctic zooplanktivorous seabird, the little auk Alle alle, …

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 …

WebLittle auks are social birds that forage in large flocks and breed in colonies. They are fast flyers being able to reach the speed of up to 70 kmph (43.5 mph); their flight is direct, … laxative for narcotic induced constipationWebThe little auk is a small seabird, of similar size to a starling. It is black above and white below, and in flight it shows dark underwings. It has a black stubby bill, and a short neck and tail. It flies with very fast whirring … kate says leave my kids out of itWebAlle alle with the common name Little Auk, belongs to the Birds group it is geographically distrubuted among the following countries/areas: Denmark, Denmark - Faeroe Islands, … laxative for infantsWebDistribution 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. kate saunders the timesWeb20 feb. 2024 · The little auk is a colonially breeding alcid and is considered as one of the most numerous seabirds in the North Atlantic ( Stempniewicz, 2001) with a global … laxative for long term useWebLittle Auk Alle alle - Kleine Alk Red list-Estimated winter maximum 20-290 (2016-2024) Estimated migration maximum 20-3400, nov,apr (2016-2024) Ramsar 1% kates berry farm swansea tasmaniaWebDistribution. The little auk is a high-arctic species that breeds on eastern Baffin Island (Canada), Greenland, Jan Mayen, Svalbard (including Bjørnøya), Franz Josef Land, … kates associated industries ltd