(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ...
We studied how environmental conditions affect reproduction in sympatric skua species that differ in their reliance on marine resources: the exclusively marine foraging south polar skua Catharacta maccormicki, the terrestrially foraging brown skua C. antarctica lonnbergi and mixed species pairs with...
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Online Access: | https://dx.doi.org/10.1594/pangaea.848021 https://doi.pangaea.de/10.1594/PANGAEA.848021 |
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ftdatacite:10.1594/pangaea.848021 2023-10-01T03:52:14+02:00 (Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... Hahn, Steffen Reinhardt, Klaus Ritz, Markus S Janicke, Tim Montalti, Diego Peter, Hans-Ulrich 2007 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.848021 https://doi.pangaea.de/10.1594/PANGAEA.848021 en eng PANGAEA https://dx.doi.org/10.3354/meps334287 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Time coverage Species Species, common name Egg volume Sample amount, subset Eggs, clutch asymmetry Comment Date Number of fledglings per nest Biological sample Calculated according to Catry & Furness 1997 Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 Dataset Supplementary Dataset dataset 2007 ftdatacite https://doi.org/10.1594/pangaea.84802110.3354/meps334287 2023-09-04T14:52:34Z We studied how environmental conditions affect reproduction in sympatric skua species that differ in their reliance on marine resources: the exclusively marine foraging south polar skua Catharacta maccormicki, the terrestrially foraging brown skua C. antarctica lonnbergi and mixed species pairs with an intermediate diet. Egg size, clutch asymmetry and hatching dates varied between species and years without consistent patterns. In the south polar skuas, 12 to 38% of the variation in these parameters was explained by sea surface temperature, sea ice cover and local weather. In mixed species pairs and brown skuas, the influence of environmental factors on variation in clutch asymmetry and hatching date decreased to 10-29%, and no effect on egg size was found. Annual variation in offspring growth performance also differed between species with variable growth in chicks of south polar skuas and mixed species pairs, and almost uniform growth in brown skuas. Additionally, the dependency on oceanographic and climatic ... : Note that Catharacta maccormicki and Catharacta antarctica lonnbergi are more officially called Stercorarius maccormicki and Stercorarius lonnbergi.Total ranges for the parameters egg volume, clutch asymmetry and hatching date were:1. South polar skua: 64.7-107.7 cm**3; 0.760-1.159; 11 Dec-17 Feb2. Mixed species pairs:, 78.7-112.8 cm**3; 0.839-1.111; 5 Dec-29 Jan3. Brown skua: 77.9-123.7 cm**3; 0.873-1.105; 6 Dec-8 Feb ... Dataset Antarc* Antarctic Antarctica Arctic Brown Skua Catharacta maccormicki King George Island Sea ice South Polar Skuas Stercorarius maccormicki DataCite Metadata Store (German National Library of Science and Technology) Antarctic Arctic Furness ENVELOPE(-55.000,-55.000,-61.033,-61.033) King George Island |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Time coverage Species Species, common name Egg volume Sample amount, subset Eggs, clutch asymmetry Comment Date Number of fledglings per nest Biological sample Calculated according to Catry & Furness 1997 Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 |
spellingShingle |
Time coverage Species Species, common name Egg volume Sample amount, subset Eggs, clutch asymmetry Comment Date Number of fledglings per nest Biological sample Calculated according to Catry & Furness 1997 Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 Hahn, Steffen Reinhardt, Klaus Ritz, Markus S Janicke, Tim Montalti, Diego Peter, Hans-Ulrich (Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
topic_facet |
Time coverage Species Species, common name Egg volume Sample amount, subset Eggs, clutch asymmetry Comment Date Number of fledglings per nest Biological sample Calculated according to Catry & Furness 1997 Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158 |
description |
We studied how environmental conditions affect reproduction in sympatric skua species that differ in their reliance on marine resources: the exclusively marine foraging south polar skua Catharacta maccormicki, the terrestrially foraging brown skua C. antarctica lonnbergi and mixed species pairs with an intermediate diet. Egg size, clutch asymmetry and hatching dates varied between species and years without consistent patterns. In the south polar skuas, 12 to 38% of the variation in these parameters was explained by sea surface temperature, sea ice cover and local weather. In mixed species pairs and brown skuas, the influence of environmental factors on variation in clutch asymmetry and hatching date decreased to 10-29%, and no effect on egg size was found. Annual variation in offspring growth performance also differed between species with variable growth in chicks of south polar skuas and mixed species pairs, and almost uniform growth in brown skuas. Additionally, the dependency on oceanographic and climatic ... : Note that Catharacta maccormicki and Catharacta antarctica lonnbergi are more officially called Stercorarius maccormicki and Stercorarius lonnbergi.Total ranges for the parameters egg volume, clutch asymmetry and hatching date were:1. South polar skua: 64.7-107.7 cm**3; 0.760-1.159; 11 Dec-17 Feb2. Mixed species pairs:, 78.7-112.8 cm**3; 0.839-1.111; 5 Dec-29 Jan3. Brown skua: 77.9-123.7 cm**3; 0.873-1.105; 6 Dec-8 Feb ... |
format |
Dataset |
author |
Hahn, Steffen Reinhardt, Klaus Ritz, Markus S Janicke, Tim Montalti, Diego Peter, Hans-Ulrich |
author_facet |
Hahn, Steffen Reinhardt, Klaus Ritz, Markus S Janicke, Tim Montalti, Diego Peter, Hans-Ulrich |
author_sort |
Hahn, Steffen |
title |
(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
title_short |
(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
title_full |
(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
title_fullStr |
(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
title_full_unstemmed |
(Table 1) Egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on King George Island ... |
title_sort |
(table 1) egg size, clutch asymmetry, hatch date and breeding success in south polar skua, brown skua and mixed pairs on king george island ... |
publisher |
PANGAEA |
publishDate |
2007 |
url |
https://dx.doi.org/10.1594/pangaea.848021 https://doi.pangaea.de/10.1594/PANGAEA.848021 |
long_lat |
ENVELOPE(-55.000,-55.000,-61.033,-61.033) |
geographic |
Antarctic Arctic Furness King George Island |
geographic_facet |
Antarctic Arctic Furness King George Island |
genre |
Antarc* Antarctic Antarctica Arctic Brown Skua Catharacta maccormicki King George Island Sea ice South Polar Skuas Stercorarius maccormicki |
genre_facet |
Antarc* Antarctic Antarctica Arctic Brown Skua Catharacta maccormicki King George Island Sea ice South Polar Skuas Stercorarius maccormicki |
op_relation |
https://dx.doi.org/10.3354/meps334287 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.84802110.3354/meps334287 |
_version_ |
1778518047178358784 |