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  • *Biodiversity  (3)
  • American Association for the Advancement of Science (AAAS)  (3)
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  • 1
    Publication Date: 2008-07-05
    Description: It has previously been thought that there was a steep Cretaceous and Cenozoic radiation of marine invertebrates. This pattern can be replicated with a new data set of fossil occurrences representing 3.5 million specimens, but only when older analytical protocols are used. Moreover, analyses that employ sampling standardization and more robust counting methods show a modest rise in diversity with no clear trend after the mid-Cretaceous. Globally, locally, and at both high and low latitudes, diversity was less than twice as high in the Neogene as in the mid-Paleozoic. The ratio of global to local richness has changed little, and a latitudinal diversity gradient was present in the early Paleozoic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alroy, John -- Aberhan, Martin -- Bottjer, David J -- Foote, Michael -- Fursich, Franz T -- Harries, Peter J -- Hendy, Austin J W -- Holland, Steven M -- Ivany, Linda C -- Kiessling, Wolfgang -- Kosnik, Matthew A -- Marshall, Charles R -- McGowan, Alistair J -- Miller, Arnold I -- Olszewski, Thomas D -- Patzkowsky, Mark E -- Peters, Shanan E -- Villier, Loic -- Wagner, Peter J -- Bonuso, Nicole -- Borkow, Philip S -- Brenneis, Benjamin -- Clapham, Matthew E -- Fall, Leigh M -- Ferguson, Chad A -- Hanson, Victoria L -- Krug, Andrew Z -- Layou, Karen M -- Leckey, Erin H -- Nurnberg, Sabine -- Powers, Catherine M -- Sessa, Jocelyn A -- Simpson, Carl -- Tomasovych, Adam -- Visaggi, Christy C -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):97-100. doi: 10.1126/science.1156963.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Ecological Analysis and Synthesis, University of California-Santa Barbara, 735 State Street, Santa Barbara, CA 93101, USA. alroy@nceas.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biological Evolution ; Databases, Factual ; Environment ; *Fossils ; Geography ; Geologic Sediments ; *Invertebrates/classification ; *Paleontology/methods ; Population Dynamics ; Sampling Studies ; Seawater ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2010-01-09
    Description: Large-scale biodiversity gradients among environments and habitats are usually attributed to a complex array of ecological and evolutionary factors. We tested the evolutionary component of such gradients by compiling the environments of the geologically oldest occurrences of marine genera and using sampling standardization to assess if originations tended to be clustered in particular environments. Shallow, tropical environments and carbonate substrates all tend to have harbored high origination rates. Diversity within these environments tended to be preferentially generated in reefs, probably because of their habitat complexity. Reefs were also prolific at exporting diversity to other environments, which might be a consequence of low-diversity habitats being more susceptible to invasions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kiessling, Wolfgang -- Simpson, Carl -- Foote, Michael -- New York, N.Y. -- Science. 2010 Jan 8;327(5962):196-8. doi: 10.1126/science.1182241.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum fur Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, 10115 Berlin, Germany. wolfgang.kiessling@mfn-berlin.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20056888" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthozoa ; *Biodiversity ; *Biological Evolution ; Calcium Carbonate ; *Ecosystem ; Environment ; Fishes ; *Fossils ; Geography ; *Invertebrates/classification
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2015-05-02
    Description: Marine taxa are threatened by anthropogenic impacts, but knowledge of their extinction vulnerabilities is limited. The fossil record provides rich information on past extinctions that can help predict biotic responses. We show that over 23 million years, taxonomic membership and geographic range size consistently explain a large proportion of extinction risk variation in six major taxonomic groups. We assess intrinsic risk-extinction risk predicted by paleontologically calibrated models-for modern genera in these groups. Mapping the geographic distribution of these genera identifies coastal biogeographic provinces where fauna with high intrinsic risk are strongly affected by human activity or climate change. Such regions are disproportionately in the tropics, raising the possibility that these ecosystems may be particularly vulnerable to future extinctions. Intrinsic risk provides a prehuman baseline for considering current threats to marine biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finnegan, Seth -- Anderson, Sean C -- Harnik, Paul G -- Simpson, Carl -- Tittensor, Derek P -- Byrnes, Jarrett E -- Finkel, Zoe V -- Lindberg, David R -- Liow, Lee Hsiang -- Lockwood, Rowan -- Lotze, Heike K -- McClain, Craig R -- McGuire, Jenny L -- O'Dea, Aaron -- Pandolfi, John M -- New York, N.Y. -- Science. 2015 May 1;348(6234):567-70. doi: 10.1126/science.aaa6635.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California, Berkeley, CA 94720, USA. sethf@berkeley.edu. ; Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada. ; Department of Earth and Environment, Franklin and Marshall College, Lancaster, PA 17604, USA. ; Department of Paleobiology, National Museum of Natural History, Washington, DC 20013, USA. ; United Nations Environment Programme World Conservation Monitoring Centre, Cambridge CB3 0DL, UK. Computational Science Laboratory, Microsoft Research, Cambridge CB1 2FB, UK. Department of Biology, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada. ; Department of Biology, University of Massachusetts, Boston, MA 02125, USA. ; Environmental Science Program, Mount Allison University, Sackville, New Brunswick E4L 1A5, Canada. ; Department of Integrative Biology, University of California, Berkeley, CA 94720, USA. ; Center for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, Blindern, N-0316 Oslo, Norway. ; Department of Geology, College of William and Mary, Williamsburg, VA 23187, USA. ; Department of Biology, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada. ; National Evolutionary Synthesis Center, Durham, NC 27705, USA. ; School of Environmental and Forest Sciences, University of Washington, Seattle, WA 98195, USA. ; Smithsonian Tropical Research Institute, 0843-03092, Balboa, Republic of Panama. ; Australian Research Council Centre of Excellence for Coral Reef Studies, School of Biological Sciences, University of Queensland, St. Lucia, QLD 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931558" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms ; *Biodiversity ; *Climate Change ; *Extinction, Biological ; Fossils ; *Human Activities ; Humans ; *Oceans and Seas ; Paleontology ; Risk
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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