| 17 Titles Match Your Query |
Showing 1 through 17 of 17
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1.
Proportional underwater call type usage by Weddell seals (Leptonychotes weddellii) in breeding and nonbreeding situations [ASAC_1132-3]
During the winter and spring of 2000 and 2002, underwater calls of Weddell seals were recorded near Mawson. The goal was to determine if some call types were only given during the spring breeding ...
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2.
Dialects and Usage Patterns of Weddell Seal 'Leptonychotes weddelli' Underwater Vocalisations [ASAC_556]
Underwater recordings of vocalisations of Weddell seals were obtained at 8 locations within the Vestfold Hills (7) and Larsemann Hills (1). The recordings were made near groups of seals on the ice ...
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3.
Measuring the effects of human activity on Weddell Seals (Leptonychotes weddellii) [ASAC_1148_Weddells]
The number of people travelling to Antarctica is growing, with much of the recent increase in visitor numbers attributable to an expansion in commercial tourism (Enzenbacher 1992; 1994). Most visitors ...
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4.
Easily measured call attributes can detect vocal differences between Weddell seals from two areas (Casey and Davis). [ASAC_2122]
Underwater vocalisations of Weddell seals were recorded at Casey (1997) and Davis (1992 and 1997) Antarctica. The goal of the study was to determine if it would be possible to identify geographic ...
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5.
Vocal Characteristics and Communication Strategies of Weddell Seal 'Leptonychotes weddelli' Underwater Calls [ASAC_207]
The underwater and in-air recordings were used to derive a technique to classify the call types. The in-air recordings demonstrated that both males and females vocalise and often a single seal will ...
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6.
Geographic variations in underwater male Weddell seal Trills suggest breeding area fidelity [ASAC_1132-2]
Adult Weddell seals (Leptonychotes weddellii) exhibit site fidelity to where they first breed but juveniles, and perhaps transient adult males, may disperse from their natal location. If there is ...
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7.
Stereotyped Calling Patterns of a Male Weddell Seal (Leptonychotes weddellii) [ASAC_2122-5]
From the abstract of the attached paper:
Underwater calling behaviour between breathing bouts of a single adult male Weddell seal (Leptonychotes weddellii) was examined with ...
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8.
Variation of in-air female Weddell seal contact calls [ASAC_2122-4]
From the abstract of the attached paper:
Vocal recognition may function as a critical factor in maintaining the phocid mother-pup bond during lactation. For vocal recognition to function, ...
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9.
Weddell Seal underwater calling rates during the winter and spring near Mawson Station, Antarctica [ASAC_1132-1]
During the winter and spring of 2002, underwater calling rates were measured near mid-day on an opportunistic basis at 7 breeding sites and, at two breeding sites, over 24 hour periods once a month. ...
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10.
Immunogenetics of Antarctic pack ice seals in the Ross Sea [Pack_ice_seal_immunogenetics]
This data set consists of 518 tissue samples obtained from four species of
Antarctic pack ice phocid pinnipeds (Weddell seal, Leptonychotes weddellii;
crabeater seal, Lobodon carcinophaga; ...
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11.
Shipboard sea bird and ancillary marine mammal sightings, April-Sept 2001 and 2002, Continental Margin Western Antarctic Peninsula, GLOBEC [birds_observ_SO]
Day and night shipboard sightings/counts of birds and ancillary mammals during
4 ship cruises to the Antarctic, April-September 2001 and 2002. General survey
area includes ...
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12.
Apparent twin pups of the weddell seal near Mawson, Antarctica [twin_pups]
Phocid seals give birth annually, generally to a single pup. Twins have been reported occasionally, either from observations made in utero or from observations of live pups in the field. Examples ...
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13.
Regional dialects and herd formation aspects of Weddell seal (Leptonychotes weddellii) underwater vocalisations. [ASAC_1132]
Database Description
The files represent the 41 different Weddell seal (Leptonychotes weddellii) call types identified at either Mawson, Davis, and/or Casey. They were collected between 60o 49' ...
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14.
Repetition patterns in Weddell seal (Leptonychotes weddellii) underwater multiple element calls [ASAC_2122-2]
Many vocalisations produced by Weddell seals (Leptonychotes weddellii) are made up of repeated individual distinct sounds (elements). Patterning of multiple element calls was examined during the ...
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15.
Reproductive rate as an index of the environment: 28 years of monitoring Weddell seals in east Antarctica. [wed_index]
Publication of these results is currently in progress with the Journal of Animal Ecology.
Summary
1.An efficient method of describing change in Antarctic marine ecosystems is long-term monitoring ...
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16.
Through-ice communication by Weddell seals may not be practicable [ASAC_2122-3]
Possible communication between territorial male Weddell seals (Leptonychotes weddellii) under the ice with females on the ice was investigated. In-air and underwater recordings of underwater calls ...
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17.
Weddell seal call types made by males and females. [ASAC_2122-1]
Recordings were made of adult male and female Weddell seals on the ice during the breeding seasons of 1990 and 1997. The recordings were made near Davis, Antarctica in the Vestfold Hills. The vocalisations ...
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