Implications of summer breeding frogs from Langebaanweg, South Africa : regional climate evolution at 5.1 mya

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dc.contributor.authorMatthews, Thalassaen_ZA
dc.contributor.authorMeasey, G. Johnen_ZA
dc.contributor.authorRoberts, David L.en_ZA
dc.date.accessioned2017-11-02T12:19:56Z
dc.date.available2017-11-02T12:19:56Z
dc.date.issued2016-05
dc.descriptionCITATION: Matthews, T., Measey, G. J. & Roberts, D. L. 2016. Implications of summer breeding frogs from Langebaanweg, South Africa : regional climate evolution at 5.1 mya. South African Journal of Science, 112(9/10), Art. #2016-0070, doi:10.17159/sajs.2016/20160070.en_ZA
dc.descriptionThe original publication is available at http://sajs.co.zaen_ZA
dc.description.abstractNo direct palaeoclimatic proxies have been available to indicate the seasonality or amount of rainfall on the west coast of southern Africa during the Early Pliocene. The Benguela Upwelling System (BUS) is today one of the factors responsible for the present-day aridity on the west coast of southern Africa. The initiation of the BUS is frequently linked to the entrenchment of aridity and the establishment of the current winter rainfall pattern on the west coast; however, marine proxies are inconclusive regarding the effects of past fluctuations in the BUS and sea surface temperatures on the rainfall regime. Neither the fossil evidence nor the fact that plants using the C3 photosynthetic pathway predominate at this time, provide direct evidence of winter rainfall at Langebaanweg. We challenge certain assumptions which are commonly made in the literature regarding the timing of inception of a winter rainfall regime on the west coast and the onset of aridity in the Langebaan region, and provide new evidence as to seasonality of rainfall at Langebaanweg in the Early Pliocene. Herein, the identification of frog species from the genus Ptychadena from Langebaanweg provides new and compelling evidence for a summer rainfall regime, or of at least significant summer rainfall, at 5.1 mya in the southwestern Cape of South Africa.en_ZA
dc.description.urihttp://www.sajs.co.za/implications-summer-breeding-frogs-langebaanweg-south-africa-regional-climate-evolution-5-1-mya/thalassa-matthews-g-john-measey-david-l-roberts
dc.description.versionPublisher's versionen_ZA
dc.format.extent7 pages : illustrations, mapen_ZA
dc.identifier.citationMatthews, T., Measey, G. J. & Roberts, D. L. 2016. Implications of summer breeding frogs from Langebaanweg, South Africa : regional climate evolution at 5.1 mya. South African Journal of Science, 112(9/10), Art. #2016-0070, doi:10.17159/sajs.2016/20160070en_ZA
dc.identifier.issn1996-7489 (online)
dc.identifier.otherdoi:10.17159/sajs.2016/20160070
dc.identifier.urihttp://hdl.handle.net/10019.1/102437
dc.language.isoen_ZAen_ZA
dc.publisherAcademy of Science of South Africaen_ZA
dc.rights.holderAuthors retain copyrighten_ZA
dc.subjectFossil frogsen_ZA
dc.subjectPalaeoclimatic proxiesen_ZA
dc.subjectSummer rainfall zone--South Africaen_ZA
dc.subjectEarly plioceneen_ZA
dc.titleImplications of summer breeding frogs from Langebaanweg, South Africa : regional climate evolution at 5.1 myaen_ZA
dc.typeArticleen_ZA
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