New Siberian Islands

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New Siberian Islands,

Rus. Novosibirskiye Ostrova, archipelago, c.10,900 sq mi (28,200 sq km), N Siberian Russia, in the Arctic Ocean between the Laptev and East Siberian seas, part of the Sakha Republic. The archipelago is separated into two groups by the Sannikov Strait. The northern group, the New Siberian or Anjou islands (c.8,200 sq mi/21,200 sq km) includes the Kotelny, Faddeyevsky, Novaya Sibir, and other smaller islands; the southern group consists of the Lyakhov IslandsLyakhov Islands
, c.2,700 sq mi (7,000 sq km), southern group of the New Siberian Islands, N Siberian Russia, between the Laptev Sea and the East Siberian Sea, Sakha Republic.
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 (c.2,700 sq mi/7,000 sq km). The De Long Islands, NE of Novaya Sibir, are also part of the archipelago. The islands are almost always covered by snow and ice and have a very scant tundra; ice dating from the Pleistocene Ice Age and intermingled with sediment is found there. The sparsely settled islands were sighted (1773) by Ivan Lyakhov, a Russian merchant. Mammoth fossils have been found (1870s) in the islands by the Swedish explorer Nils A. E. Nordenskjöld, as well as by Siberian fur and ivory hunters. The islands were neglected until 1927, when meteorological stations were set up there. Kotelny was the site of a military base from 1933 to 1993, and in 2013 the Russian navy reestablished a base there.
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References in periodicals archive ?
Easterly migration occurred in the sector 40-120 [degrees], with the migrants climbing in strong (on 31 July very strong) tailwinds and crossing the New Siberian Islands. Two of these radar echoes were identified, one small flock of grey phalaropes and one flock of arctic terns.
Sites 8 and 9 were at proper locations for recording southward departures from the New Siberian Islands, and there was indeed significant southward migration at Site 8, with tracks in the sector 150-210 [degrees] making up 17% of the radar records at this site.
These cases of southward departures from the New Siberian Islands, the Yamal Peninsula, and Novaya Zemlya indicate that there may be substantial southward migration of tundra birds departing across the Eurasian continent, out of reach of the observation sites in this study.
Examples of departure locations on either side of the main W/E migratory divide (NW Taymyr and the New Siberian Islands, respectively) are connected with important winter destinations.
Departure directions from the New Siberian Islands are approximately 60 [degrees] (grey phalarope) and 36 [degrees] (pectoral sandpiper) along orthodromes (Fig.
However, the radar data suggest that Siberian migrants seldom depart on such northerly bearings as 36 [degrees] (departure direction of the ideal orthodrome from the New Siberian Islands for pectoral sandpipers) but more often towards E-ENE-NE along somewhat more southerly trajectories across the Arctic Ocean.
Loxodromes between the New Siberian Islands and the three main New Zealand/Australian areas in Figure 14 have bearings towards approximately 172 [degrees], 180 [degrees], and 191 [degrees, while the rather similar orthodromes have departure bearings from the New Siberian Islands at 157 [degrees], 180 [degrees], and 203 [degrees, respectively.
Since breeding has not been confirmed on the New Siberian Islands (Zubakin et al., 1990; Hjort et al., 1995), it is likely that the juvenile Ross's gulls we trapped had just arrived from the Siberian mainland, some 300 km or more to the south.
Body mass and morphometrics of four juvenile (first-year) Ro ss's gulls trapped at Kotelny Island, New Siberian Islands, Russia (75[deg rees]01'N, 137[degrees]'E) on 2 August 1994.
The body masses of the New Siberian Island birds came close to the 113-120 g that Hjort (1982) reported as "Hungergewichte." The reason for the low body mass may simply be the energy cost for a post-breeding dispersal of at least 300 km for these newly fledged and inexperienced juveniles.