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    This dataset consists of silicon isotope data from deep-sea sediment cores taken off southeast Iceland. Samples of sea sponges were collected using piston cores and sediment cores aboard the RV Celtic Explorer in 2008 and dried or frozen for transportation. Organic matter was removed and samples were preserved for later analysis. Sample analysis occurred in 2012 as part of a comprehensive study of the carbon cycle. The data collected form the field component of the NERC-funded project "Unravelling the carbon cycle using silicon isotopes in the oceans". The project aimed to investigate deep sea sponges and the silicon they produce, in an effort to piece together the links between the supply of vital nutrients in different parts of the ocean and the crucial role other marine organisms play in absorbing CO2 from the atmosphere and storing it in deep sea sediments as organic carbon. The Discovery Science project was composed of New Investigators (FEC) Grant reference NE/J00474X/1 led by Dr. Katherine Rosemary Hendry of Cardiff University, School of Earth and Ocean Sciences. The project ran from 26 January 2012 to 30 September 2013. The silicon isotope data have been received by BODC as raw files, and will be processed and quality controlled using in-house BODC procedures and made available online in the near future. The raw files are available on request.

  • This datasets captures the body mass, bill length and bill depth of adult chinstrap penguins immediately after their arrival to Signy Island at the start of the annual breeding from 1996 to 2020. Penguins arriving at the beach were measured for bill length, depth, and body mass before being released where they were captured. These measurements were made in mid/late November, as chinstrap penguins arrive for the austral summer. This monitoring contributes to the CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources) Ecosystem Monitoring Program (CEMP) and is part of the annual seabird Long Term Monitoring carried out by the British Antarctic Survey at Signy Island. Ecosystems component of BAS Polar Science for Planet Earth Programme, funded by NERC.

  • This dataset captures information on the diet composition and mass of chinstrap penguin stomach contents at Signy Island, from 1997 to 2020. The monitoring period occurred over four weeks each year and involved sampling adults returning to feed their chicks during the creche period. Sampling took place approximately every five days. Numbers of birds sampled on each occasion varied over the entire period of the dataset from a maximum of eight to a minimum of six, equating to an annual maximum of forty birds and an annual minimum of thirty, depending on the year. All adult penguins were sampled on their return to the colony using the stomach lavage methodology specified in CCAMLR CEMP Standards Methods A8A. The stomach samples were then weighed and categorised into krill, cephalopods, fish and non-food and identified to species level where possible. Krill carapaces and otoliths were removed and measured. Ecosystems component of BAS Polar Science for Planet Earth Programme, funded by NERC.

  • The database contains fasta sequences from UniProt and associated metadata for molluscan shell matrix proteins (SMPs). The database only contains SMPs that have been experimentally validated to be present in molluscan shell matrices (based on the publication(s) attached to the UniProtID). Metadata includes information on functional domains present in the sequence, as detected by InterproScan. With the advent of Next Generation Sequencing technologies, it is computationally resource intensive to run sequence similarity algorithms on all published data. Moreover, it is impractical to sort through hundreds of sequence similarity search results when working with non-model organisms, since pre-established functional annotations of sequences are generally not available. Therefore, this database was created in order to provide a targeted molluscan biomineralization dataset for sequence similarity algorithms (such as BLAST). Database created as part of doctoral research, funded under Marie Curie Innovative Training Networks (ITN) - Calcium in the Changing Environment (CACHE - Grant agreement 605051).

  • Data on the growth rates and specific cellulase activities of 10 isolates of the fungus Pseudogymnoascus roseus from sub- and maritime Antarctica, exposed in vitro to fluctuating temperatures of 2-15 degrees Celsius, 2-18 degrees Celsius, 2-21 degrees Celsius and 2-24 degrees Celsius and their constant mean temperatures of 9.0 degrees Celsius, 10.7, 12.0 or 13.1 degrees Celsius, respectively. The 10 isolates of P. roseus were obtained from soils at Lewis Pass on South Georgia, The Backslope on Signy Island, Walton Terraces on Leonie Island and Mars Oasis on Alexander Island. Funding: UK Natural Environment Research Council (core funding to the British Antarctic Survey). *** PLEASE BE ADVISED TO USE VERSION 2.0 OF THIS DATASET *** This dataset has been superseded by Version 2.0 ( - see ''Related Data Set Metadata'' link below). Version 2.0 has been updated to include additional data from a third experiment and to update the metadata accordingly

  • Samples of early Tertiary age fossil wood and leaves were collected from Seymour Island, Antarctic Peninsula, in 2001. Fossils from Palaeogene strata were studied to determine the nature of vegetation response to the fundamental change from greenhouse to icehouse climates in Antarctica. Palaeoclimate data was derived using CLAMP (Climate Leaf Analysis Multivariate Program) and several Leaf Margin Analysis (LMA) techniques based on the physiognomic properties of the leaves. Climate interpretation of the fossils produced new data on terrestrial climate change at high latitudes and were used to test and validate climate models, and to establish whether climate-induced changes in biodiversity occurred in a gradual or punctuated manner.

  • Images of bird colonies on Signy Island, South Orkney were collected by low-altitude aerial photography from multirotor Un-crewed Aerial Vehicles (UAVs). Three species were included in this study; gentoo (Pygoscelis antarctica) and chinstrap (Pygoscelis papua) penguin and South Georgia shag (Leucocarbo atriceps georgianus). Data were collected in the 2016/17 and 2017/18 field seasons. Mosaic images were created for colonies surveyed with multiple frames by stitching together individual images.

  • Three plant species, the leafy liverwort Cephaloziella varians and the angiosperms Deschampsia antarctica and Colobanthus quitensis, were sampled from 12 islands across a 1480 km latitudinal gradient from South Georgia through to Adelaide Island. Samples were collected to determine the abundance of dark septate fungi in Antarctic plant and soil communities and the effects of these organisms on plant growth. Where the target species were found in sufficient numbers to allow sampling, it proved possible to collect at least 10 samples of each species. At least 10 soil samples were collected from each site where Deschampsia was found. Plants, with intact roots and soil, were transported back to the UK using cool and frozen stowage. Additionally, intact live plants were transported to the UK in an illuminated cabinet. Seeds of the two key species (Deschampsia antarctica and Colobanthus quitensis) were also collected at Bird Island and South Georgia. As the exact months of the data collection were not provided, and the metadata standard requires a YYYY-MM-DD format, this dataset has been dated as 1st January for start date, and 31st December for stop date.

  • Counts of Antarctic fur seal individuals encountered daily at the Special Study Beach (SSB) at Bird Island, South Georgia. The SSB demographic study started in 1982 and has continued with consistent data collection methods to date. Daily values include total counts of territorial males, new females, all females present in the afternoon, new pups born, and number of dead pups. This work was funded by Natural Environment Research Council (UK) core funding to the British Antarctic Survey.

  • Quantification of morphological and reproductive traits in Astarte crenata and Ctenodiscus crispatus (oocyte size/gonad index), used in the analyses by Reed et al. 2021 (Ecology and Evolution) from the Western Barents Sea during summer 2017 across a North - South Transect intersecting the polar front.