3f71209a-33d5-4d48-8899-d8a6d8d295e6 eng utf8 dataset dataset NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact 2025-05-03 ISO 19115 Geographic Information - Metadata ISO 19115:2003(E) European Petroleum Survey Group (EPSG) Geodetic Parameter Registry 2008-11-12 publication European Petroleum Survey Group EPSGadministrator@iogp.org https://www.epsg-registry.org/ EPSG Geodetic Parameter Dataset The EPSG Geodetic Parameter Dataset is a structured dataset of Coordinate Reference Systems and Coordinate Transformations, accessible through this online registry. information publisher urn:ogc:def:crs:EPSG::3031 6.18.3 Oblique photography surveys and counts of black-browed and grey-headed albatrosses in a subset of colonies across South Georgia during the 2023/2024 season 2025-05-03 creation 2025-05-03 revision 2025-05-03 publication 2025-05-03 released 1.0 https://doi.org/10.5285/3f71209a-33d5-4d48-8899-d8a6d8d295e6 doi GB/NERC/BAS/PDC/02056 https://data.bas.ac.uk/ Please cite this item as: Mackley, E., Manthorpe, S.J., & Phillips, R.A. (2025). Oblique photography surveys and counts of black-browed and grey-headed albatrosses in a subset of colonies across South Georgia during the 2023/2024 season (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/3f71209a-33d5-4d48-8899-d8a6d8d295e6 This dataset comprises oblique photographic surveys and derived counts of albatrosses in colonies across South Georgia during the 2023/2024 season (austral summer). This dataset includes stitched images of sites surveyed, as well as derived counts of black-browed and grey-headed albatrosses during their breeding season. Counts are assigned to their respective colonies within larger sites. Surveys were conducted as part of an all-island albatross survey carried out every 10 years to monitor albatross trends across South Georgia. Flights were conducted by personnel at BAS and supported by the MV SG Pharos. This project was funded by the following: Friends of South Georgia Island, South Georgia Heritage Trust, Antarctic Research Trust, Peter Smith Charitable Trust for Nature, UK Blue Belt Programme. No credit. completed Mackley, Elizabeth British Antarctic Survey Researcher author Manthorpe, Sarah J British Antarctic Survey Researcher author Phillips, Richard A British Antarctic Survey Researcher author NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact asNeeded completed EARTH SCIENCE > Biosphere > Ecological Dynamics > Endangered Species EARTH SCIENCE > Biosphere > Ecological Dynamics > Indicator Species EARTH SCIENCE > Biosphere > Ecological Dynamics > Population Dynamics EARTH SCIENCE > Biosphere > Ecological Dynamics > Survival EARTH SCIENCE > Biosphere > Zoology theme Global Change Master Directory (GCMD) Science Keywords 2026-01-27 publication 23 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) Greenbelt MD United States of America https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher South Georgia black-browed albatross grey-headed albatross monitoring oblique photography theme Bird Island, South Georgia Antarctica Sorn & Bernt, South Georgia Antarctica Cape North, South Georgia Antarctica Jomfruene, South Georgia Antarctica Welcome Islet, South Georgia Antarctica Sheathbill Bay, South Georgia Antarctica Sitka Bay, South Georgia Antarctica Cape Buller, South Georgia Antarctica Cape Wilson, South Georgia Antarctica Cape Crewe, South Georgia Antarctica Paryadin peninsula (north), South Georgia Antarctica Paryadin peninsula (south), South Georgia Antarctica Cooper Island, South Georgia Antarctica place Habitats and biotopes theme GEMET - INSPIRE themes, version 1.0 2021-01-06 revision otherRestrictions no limitations to public access otherRestrictions no limitations license Open Government Licence v3.0 otherRestrictions Data supplied under Open Government Licence v3.0 otherRestrictions No restrictions apply doi doi crossReference url url crossReference textTable eng utf8 biota imageryBaseMapsEarthCover -38.0779 -35.7783 -54.8234 -53.9372 2023-11-21 2023-11-30 It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk. NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information distributor image/jpeg text/csv bytes 54760833024 http://ramadda.data.bas.ac.uk/repository/entry/show?entryid=3f71209a-33d5-4d48-8899-d8a6d8d295e6 WWW:LINK-1.0-http--link Get Data Download data download bytes 54760833024 http://ramadda.data.bas.ac.uk/repository/entry/show?entryid=3f71209a-33d5-4d48-8899-d8a6d8d295e6 WWW:LINK-1.0-http--link Get Data Download data download dataset Methodology: Surveys: Oblique photographic surveys were carried out using a Nikon D610 camera with a Nikon 28-400mm f3.5-5.6 lens or a Sony A7II camera with Sony 24-105mm f4 and Sigma 100-400mm f5-6.3 lenses, between the hours of 6:00 and 20:00 local time, from 2023-11-21 to 2023-11-30. Photos were taken in RAW and jpeg formats at a minimum shutter speed of 1/2000 of a second and underexposed to retain highlight detail needed to separate species. Surveys were carried out on either the MV SG Pharos or a rigid inflatable boat (RIB) at a mean distance of 350m from the shore. Photo patterns were conducted in patterns of horizontally across and vertically from top to bottom/bottom to top. Stitching: Jpeg images were stitched using Microsoft Image Composite Editor and counted manually using DotDotGoose. Unstitched photographs were occasionally used to check for errors. Annotation: Albatrosses were recorded to species level or labelled unidentified when there was insufficient detail to categorise. Birds were counted twice, and for total counts the unidentified birds were assigned to a species based on the ratio of those identified in the colony. Birds were abbreviated like so: black-browed albatross = BBA and grey-headed albatross = GHA. Data collection: The following software was used in this dataset: Microsoft Image Composite Editor software (v 2.0.3; softonic 2024) DotDotGoose (v. 1.7.9; Ersts 2023) Data quality: Diurnal correction factor: Counts were corrected for diurnal variation in attendance of non-breeding birds and failed breeders as in Poncet et al (2006, 2017), where 2-hour interval counts from selected colonies at Bird Island were used to standardise counts to 12:00h UTC. asNeeded completed