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  • 1
  • 2
    Publication Date: 2012-08-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 3
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    PANGAEA
    In:  Supplement to: Contreras, Lineth; Pross, Jörg; Bijl, Peter K; Koutsodendris, Andreas; Raine, J Ian; van de Schootbrugge, Bas; Brinkhuis, Henk (2013): Early to Middle Eocene vegetation dynamics at the Wilkes Land Margin (Antarctica). Review of Palaeobotany and Palynology, 197, 119-142, https://doi.org/10.1016/j.revpalbo.2013.05.009
    Publication Date: 2023-11-06
    Description: The early Eocene epoch was characterized by extreme global warmth, which in terrestrial settings was characterized by an expansion of near-tropical vegetation belts into the high latitudes. During the middle to late Eocene, global cooling caused the retreat of tropical vegetation to lower latitudes. In high-latitude settings, near-tropical vegetation was replaced by temperate floras. This floral change has recently been traced as far south as Antarctica, where along the Wilkes Land margin paratropical forests thrived during the early Eocene and temperate Nothofagus forests developed during the middle Eocene. Here we provide both qualitative and quantitative palynological data for this floral turnover based on a sporomorph record recovered at Integrated Ocean Drilling Program (IODP) Site U1356 off the Wilkes Land margin. Following the nearest living relative concept and based on a comparison with modern vegetation types, we examine the structure and diversity patterns of the Eocene vegetation along the Wilkes Land margin. Our results indicate that the early Eocene forests along the Wilkes Land margin were characterized by a diverse canopy composed of plants that today occur in tropical settings; their richness pattern was similar to that of present-day forests from New Caledonia. The middle Eocene forests were characterized by a canopy dominated by Nothofagus and exhibited richness patterns similar to modern Nothofagus forests from New Zealand.
    Keywords: 318-U1356A; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Wilkes Land
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 4
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    PANGAEA
    In:  Supplement to: Pross, Jörg; Contreras, Lineth; Bijl, Peter K; Greenwood, David R; Bohaty, Steven M; Schouten, Stefan; Bendle, James A; Röhl, Ursula; Tauxe, Lisa; Raine, J Ian; Huck, Claire E; van de Flierdt, Tina; Jamieson, Stewart S R; Stickley, Catherine E; van de Schootbrugge, Bas; Escutia Dotti, Carlota; Brinkhuis, Henk; IODP Expedition 318 Scientists (2012): Persistent near-tropical warmth on the Antarctic continent during the early Eocene epoch. Nature, 488(7409), 73-77, https://doi.org/10.1038/nature11300
    Publication Date: 2023-11-06
    Description: The warmest global climates of the past 65 million years occurred during the early Eocene epoch (about 55 to 48 million years ago), when the Equator-to-pole temperature gradients were much smaller than today (doi:10.1130/0091-7613(1995)023〈1044:ECCALT〉2.3.CO;2, doi:10.1038/nature08399) and atmospheric carbon dioxide levels were in excess of one thousand parts per million by volume (doi:10.1016/j.gca.2003.09.002, doi:10.1038/ngeo1186). Recently the early Eocene has received considerable interest because it may provide insight into the response of Earth's climate and biosphere to the high atmospheric carbon dioxide levels that are expected in the near future (doi:10.1007/s10584-011-0156-z) as a consequence of unabated anthropogenic carbon emissions (doi:10.1038/ngeo1186, doi:10.1038/nature06588). Climatic conditions of the early Eocene 'greenhouse world', however, are poorly constrained in critical regions, particularly Antarctica. Here we present a well-dated record of early Eocene climate on Antarctica from an ocean sediment core recovered off the Wilkes Land coast of East Antarctica. The information from biotic climate proxies (pollen and spores) and independent organic geochemical climate proxies (indices based on branched tetraether lipids) yields quantitative, seasonal temperature reconstructions for the early Eocene greenhouse world on Antarctica. We show that the climate in lowland settings along the Wilkes Land coast (at a palaeolatitude of about 70° south) supported the growth of highly diverse, near-tropical forests characterized by mesothermal to megathermal floral elements including palms and Bombacoideae. Notably, winters were extremely mild (warmer than 10 °C) and essentially frost-free despite polar darkness, which provides a critical new constraint for the validation of climate models and for understanding the response of high-latitude terrestrial ecosystems to increased carbon dioxide forcing.
    Keywords: 318-U1356A; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Wilkes Land
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 5
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Wilkes Land
    Type: Dataset
    Format: application/zip, 101.7 kBytes
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  • 6
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Taxon/taxa; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 512 data points
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  • 7
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Calculated, see reference(s); DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Precipitation, annual mean; Precipitation, annual mean, standard deviation; Temperature, annual mean; Temperature, annual mean, standard deviation; Temperature, summer; Temperature, summer, standard deviation; Temperature, winter; Temperature, winter, standard deviation; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 2590 data points
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  • 8
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Alisporites sp.; Alisporites tenuicorpus; Anacolosidites acutullus; Anacolosidites luteoides; Araucariacites spp.; Arecipites microverrucatus; Arecipites spp.; Assamiapollenites cf. incognitus; Baculatisporis sp.; Baculatisporites spp.; Baculatosporis sp.; Battenipollis sectilis; Beaupreaidites cf. elegansiformis; Beaupreaidites cf. orbiculatus; Beaupreaidites sp.; Beaupreaidites spp.; Beaupreaidites verrucosus; Bluffopollis scabratus; Bombacacidites protocostatus; Bombacacidites sp.; Brevitricolpites sp.; Callialasporites dampierii; Camarozonosporites cf. ohaiensis; Camarozonosporites sp.; Cannanoropollis obscurus; Chomotriletes sp.; Cicatricosisporites sp.; Cingulatisporites sp.; Classopollis spp.; Crassoretitriletes cf. vanraadshoovenii; Crusafontites sp.; Cyathidites cf. splendens; Cyathidites granulatus; Cyathidites sp.; Cyathidites spp.; Dacrycarpites australiensis; Dacrydiumites spp.; Densosporites sp.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dicotetradites clavatus; Dilwynites granulatus; Dilwynites tuberculatus; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Ephedripites sp.; Ericipites sp.; Exp318; Foveotriletes lacunosus; Foveotriporites sp.; Fungi; Gambierina edwardsii; Gleichenidiites spp.; Gleicheniidites spp.; Graminidites sp.; Granulatisporites sp.; Granulatosporis sp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; Integricorpus sp.; Intratriporopollenites cf. notabilis; IODP; Ischyosporites sp.; Joides Resolution; Klukisporites sp.; Kuylisporites waterbolkii; Laevigatosporites sp.; Laevigatosporites spp.; Lycopodium exoticum; Lycopodiumsporites sp.; Malvacipollis sp.; Malvacipollis spp.; Margocolporites cribellatus; Margocolporites sp.; Microalatidites varisaccatus; Microcachryidites antarticus; Myricipites harrisii; Myrtaceidites spp.; Myrtaceidites tenuis; Neoraistrickia truncata; Nothofagidites asperus complex; Nothofagidites cf. waipawaensis; Nothofagidites flemingii complex; Nothofagidites lachlaniae complex; Nothofagidites spp.; Peninsulapollis sp.; Periporopollenites cf. polyoratus; Periporopollenites cf. vesicus; Phyllocladidites mawsonii; Plicatipollenites spp.; Podocarpidites otagoensis; Podocarpidites sp.; Podocarpidites spp.; Podosporites sp.; Pollen, bisaccate; Pollen and spores, reworked; Pollen and spores, reworked per unit sediment mass; Pollen and spores per unit sediment mass; Polycolpites sp.; Polycolpoporopollenites sp.; Polypodiaceoisporites sp.; Polypodiisporites sp.; Propylipollis annularis; Propylipollis cf. annularis; Propylipollis cf. reticuloscabratus; Propylipollis reticuloscabratus; Propylipollis sp.; Proteacidites cf. adenanthoides; Proteacidites cf. amolosexinus; Proteacidites cf. callosus; Proteacidites cf. crassus; Proteacidites cf. incurvatus; Proteacidites cf. minimus; Proteacidites cf. ornatus; Proteacidites cf. pseudomoides; Proteacidites cf. spiniferus; Proteacidites cf. subscabratus; Proteacidites cf. tuberculatus; Proteacidites constrictus; Proteacidites pachypolus; Proteacidites parvus; Proteacidites pseudosyncolporites; Proteacidites similis; Proteacidites sp.; Proteacidites spp.; Proteacidites symphyonemoides; Psilabrevitricolporites sp.; Psilamonocolpites sp.; Psilamonocolpites spp.; Psilastephanocolporites sp.; Psilastephanoporites sp.; Psilatricolpites sp.; Psilatricolpites spp.; Psilatricolporites sp.; Psilatricolporites spp.; Psilatriporites sp.; Psilatriporites spp.; Psilatriporites vestigiatus; Punctatosporites sp.; Retibrevitricolporites sp.; Retistephanocolporites sp.; Retistephanoporites sp.; Retitricolpites spp.; Retitricolporites spp.; Retitriporites sp.; Rhoipites spp.; Sample code/label; Sample mass; Scabratisporis sp.; Scabratricolporites sp.; Schizophacus cf. parvus; Spathiphyllum-type; Spores; Spores, baculate trilete; Spores, clavate trilete; Spores, echinate; Spores, foveolate trilete; Spores, laevigate trilete; Spores, trilete; Spores, trilete echinate; Spores, trilete reticulate; Spores, trilete scabrate; Spores, trilete verrucate; Spores, trisaccate; Spores, verrucate; Stereisporites sp.; Striatopodocarpites spp.; Striatricolpites sp.; Tetracolporites oamaruensis; Tetraporina sp.; Tricolpites cf. lilliei; Tricolpites sp.; Triorites aff. spinosus; Triporites sp.; Triporoletes cf. reticulatus; Triporopollenites cf. ambiguus; Triporopollenites sp.; Tubulifloridites sp.; Weylandites lucifer; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 31609 data points
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  • 9
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Taxon/taxa; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 432 data points
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  • 10
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Alisporites sp.; Alisporites tenuicorpus; Anacolosidites acutullus; Anacolosidites luteoides; Araucariacites spp.; Arecipites microverrucatus; Arecipites spp.; Assamiapollenites cf. incognitus; Baculatisporis sp.; Baculatisporites spp.; Battenipollis sectilis; Beaupreaidites cf. elegansiformis; Beaupreaidites orbiculatus-type; Beaupreaidites sp.; Beaupreaidites verrucosus; Bluffopollis scabratus; Bombacacidites protocostatus; Bombacacidites sp.; Brevitricolpites sp.; Callialasporites dampierii; Camarozonosporites cf. ohaiensis; Camarozonosporites sp.; Cannanoropollis obscurus; Chomotriletes sp.; Cicatricosisporites sp.; Classopollis spp.; Counting, palynology; Crassoretitriletes vanraadshoovenii; Crusafontites sp.; Cyathidites cf. splendens; Cyathidites granulatus; Cyathidites sp.; Cyathidites spp.; Dacrycarpites sp.; Dacrydiumites spp.; Densoisporites sp.; Densosporites sp.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dicotetradites clavatus; Dilwynites granulatus; Dilwynites tuberculatus; DRILL; Drilling/drill rig; Ephedripites sp.; Ericipites sp.; Exp318; Foveotriletes lacunosus; Foveotriporites sp.; Fungi; Gambierina edwardsii; Gleichenidiites spp.; Gleicheniidites spp.; Graminidites sp.; Granulatisporites sp.; Granulatosporis sp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; Integricorpus sp.; Intratriporopollenites cf. notabilis; IODP; Ischyosporites sp.; Joides Resolution; Klukisporites sp.; Kuylisporites waterbolkii; Laevigatosporites sp.; Laevigatosporites spp.; Lycopodium exoticum; Lycopodiumsporites sp.; Malvacipollis sp.; Malvacipollis spp.; Margocolporites cf. cribellatus; Margocolporites sp.; Microalatidites varisaccatus; Microcachryidites antarticus; Myricipites harrisii; Myrtaceidites spp.; Myrtaceidites tenuis; Neoraistrickia truncata; Nothofagidites asperus complex; Nothofagidites cf. waipawaensis; Nothofagidites flemingii complex; Nothofagidites lachlaniae complex; Nothofagidites spp.; Peninsulapollis sp.; Periporopollenites cf. polyoratus; Periporopollenites cf. vesicus; Phyllocladidites mawsonii; Plicatipollenites spp.; Podocarpidites otagoensis; Podocarpidites sp.; Podocarpidites spp.; Podosporites sp.; Pollen, bisaccate; Pollen and spores; Pollen and spores, reworked; Pollen and spores, reworked per unit sediment mass; Pollen and spores per unit sediment mass; Polycolpites sp.; Polycolpoporopollenites sp.; Polypodiaceoisporites sp.; Polypodiisporites sp.; Propylipollis sp.; Proteacidites aff. reticuloscabratus; Proteacidites annularis; Proteacidites cf. adenanthoides; Proteacidites cf. amolosexinus; Proteacidites cf. annularis; Proteacidites cf. callosus; Proteacidites cf. crassus; Proteacidites cf. incurvatus; Proteacidites cf. minimus; Proteacidites cf. ornatus; Proteacidites cf. pseudomoides; Proteacidites cf. spiniferus; Proteacidites cf. subscabratus; Proteacidites cf. tuberculatus; Proteacidites constrictus; Proteacidites pachypolus; Proteacidites parvus; Proteacidites pseudosyncolporites; Proteacidites reticuloscabratus; Proteacidites similis; Proteacidites sp.; Proteacidites spp.; Proteacidites symphyonemoides; Psilabrevitricolporites sp.; Psilamonocolpites sp.; Psilamonocolpites spp.; Psilastephanocolporites sp.; Psilastephanoporites sp.; Psilatricolpites sp.; Psilatricolpites spp.; Psilatricolporites sp.; Psilatricolporites spp.; Psilatriporites sp.; Psilatriporites spp.; Psilatriporites vestigiatus; Punctatosporites sp.; Retibrevitricolporites sp.; Retistephanocolporites sp.; Retistephanoporites sp.; Retitricolpites spp.; Retitricolporites spp.; Retitriporites sp.; Rhoipites spp.; Sample code/label; Sample mass; Scabratisporis sp.; Scabratricolporites sp.; Schizophacus cf. parvus; Spathiphyllum-type; Spores, baculate trilete; Spores, clavate trilete; Spores, echinate; Spores, foveolate; Spores, foveolate trilete; Spores, laevigate trilete; Spores, trilete; Spores, trilete echinate; Spores, trilete reticulate; Spores, trilete scabrate; Spores, trilete verrucate; Spores, trisaccate; Spores, verrucate; Stereisporites sp.; Striatopodocarpites spp.; Striatricolpites sp.; Tetracolporites oamaruensis; Tetraporina sp.; Tricolpites cf. lilliei; Tricolpites sp.; Triorites aff. spinosus; Triporites sp.; Triporoletes cf. reticulatus; Triporopollenites cf. ambiguus; Triporopollenites sp.; Tubulifloridites sp.; Weylandites lucifer; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 31175 data points
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