Antarctic pack ice seal observations during spring across the Lazarev Sea

Horst.Bornemann [ at ]


The distribution, density and percentage contribution of pack ice seals during ship-board censuses in the marginal sea ice zone beyond the Lazarev Sea in spring 2019 are presented. Adult/juvenile crabeater seals (n = 19), leopard seals (n = 3) and Ross seals (n = 10) were sighted during 582.2 nm of censuses along the ship’s track line in the area bounded by 00°00’–22°E and 56°–60°S. Antarctic fur seals (n = 21) were only encountered on the outer fringes of the pack ice, and Weddell seals were absent due to their primary use of fast ice and inner pack ice habitats close to the coast. Crabeater seal sightings included juveniles (n = 2) and another four groups of 2–3 unclassified crabeater seals, singletons (n = 5), single mothers with pups (n = 3) and a family group (n = 1 triad). Only one leopard seal attended a pup, while no Ross seal pups were located. The survey was likely of insufficient effort, in both extent (north of 60°S) and duration (18 days), to locate seals in considerable numbers this early (late October/early November) in their austral spring breeding season.

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DOI 10.1017/S003224742100005X

Cite as
Bester, M. N. , Lübcker, N. , Haddad, W. , Bornemann, H. and Wege, M. (2021): Antarctic pack ice seal observations during spring across the Lazarev Sea , Polar Record, 57 (e12), pp. 1-6 . doi: 10.1017/S003224742100005X

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Antartic Land Expeditions > ANT-Land_2019

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