Latest publications
Results 4226 to 4250 of 8726
Vocal recognition may function as a critical factor in maintaining the phocid mother-pup bond during lactation. For vocal recognition to function, the caller must produce individually distinct calls that are recognised by their intended recipient.
This is the first study that has used satellite … telemetry to assess the spatial behaviour of adult leopard … seals. Satellite tags on 11 leopard seals transmitted between 29 days and 282 days. Swim speeds…
Abstract Mixing models are used to determine diets … where the number of prey items are greater than one, however, the limitation of the linear mixing method is … the lack of a unique solution when the number of potential … sources is greater than the number (n) of isotopic … signatures +1.
Abstract The diet of male and female leopard seals … (Hydrurga leptonyx) was investigated in Prydz Bay, Eastern Antarctica. A total of 70 scats, 1 regurgitate and … 3 stomach contents were collected, during the austral … summer, between November 1999 and March 2002.
Several specimens (larvae, pupa, females) of Telmatogeton sp. were found for the first time at Heard Island in the 2000/2001 season. Owing to the morphological characters of the individuals collected, the absence of males among the material…
Roots of nine of the 12 vascular plant species present on sub-Antarctic Heard Island were examined for mycorrhizae. All species examined had some type of mycorrhization with most possessing associations with vesicular-arbuscular mycorrhizae or dark septate mycorrhizae.
The populations of two non-native Dipterans have been established at two Antarctic research stations … since at least 1998. Both belong to Sciaridae ("black … fungus midge"), and have been determined to the genus … Lycoriella. At Rothera Research Station, Antarctic … Peninsula…
A new species of tardigrade, Hypsibius heardensis sp. nov. is described from samples collected during the Australian National Antarctic Research Expeditions (ANARE) 1986-87 expedition to Heard Island, in the southern Indian Ocean.
A two-day workshop was held at the Australian Academy of Sciences to discuss how reconstructions of past climate change might be better applied to modelling future potential climate change. Recommendations included: (1)…
Traditionally many marine mammal populations are estimated by visual surveys of the number of ‘available’ animals (eg pack-ice seals hauled out on ice floes) with correction for the number not available (those in the water). However…
The Antarctic Pack-Ice Seals program (APIS) is an initiative of the SCAR Expert Group on Seals aimed at quantifying the role of pack-ice seals (crabeater, leopard and Ross) in the Southern Ocean. A central feature of APIS was a synoptic…
The Diego Ramirez Islands lie 60 nautical miles … southwest of Cape Horn and are the breeding site for … three species of burrowing seabirds: blue petrels … (Halobaena caerulea), common diving petrels (Pelecanoides … urinatrix) and sooty shearwater (Puffinus griseus).