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Walters AP, Tierney JE, Zhu J, Meyers SR, Graves K, Carroll AR. Climate system asymmetries drive eccentricity pacing of hydroclimate during the early Eocene greenhouse. SCIENCE ADVANCES 2023; 9:eadg8022. [PMID: 37540746 PMCID: PMC10403199 DOI: 10.1126/sciadv.adg8022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 07/06/2023] [Indexed: 08/06/2023]
Abstract
The early Eocene Climatic Optimum (EECO) represents the peak of Earth's last sustained greenhouse climate interval. To investigate hydroclimate variability in western North America during the EECO, we developed an orbitally resolved leaf wax δ2H record from one of the most well-dated terrestrial paleoclimate archives, the Green River Formation. Our δ2Hwax results show ∼60‰ variation and evidence for eccentricity and precession forcing. iCESM simulations indicate that changes in the Earth's orbit drive large seasonal variations in precipitation and δ2H of precipitation at our study site, primarily during the summer season. Our findings suggest that the astronomical response in δ2Hwax is attributable to an asymmetrical climate response to the seasonal cycle, a "clipping" of precession forcing, and asymmetric carbon cycle dynamics, which further enhance the influence of eccentricity modulation on the hydrological cycle during the EECO. More broadly, our study provides an explanation for how and why eccentricity emerges as a dominant frequency in climate records from ice-free greenhouse worlds.
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Affiliation(s)
- Andrew P Walters
- Department of Geosciences, University of Arizona, Tucson, AZ 85721, USA
| | - Jessica E Tierney
- Department of Geosciences, University of Arizona, Tucson, AZ 85721, USA
| | - Jiang Zhu
- Climate and Global Dynamic Laboratory, National Center for Atmospheric Research, Boulder, CO 80305, USA
| | - Stephen R Meyers
- Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Katherine Graves
- Department of Geosciences, University of Arizona, Tucson, AZ 85721, USA
| | - Alan R Carroll
- Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706, USA
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Early–Middle Pleistocene Magnetostratigraphic and Rock Magnetic Records of the Dolynske Section (Lower Danube, Ukraine) and Their Application to the Correlation of Loess–Palaeosol Sequences in Eastern and South-Eastern Europe. QUATERNARY 2021. [DOI: 10.3390/quat4040043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We present new palaeomagnetic and rock magnetic results with a stratigraphic interpretation of the late Early–Middle Pleistocene deposits exposed on the left bank of the River Danube at Dolynske, southern Ukraine. A thick succession of water-lain facies is succeeded by reddish-brown clayey soils, topped by a high-resolution loess–palaeosol sequence. These constitute one of the most complete recently discovered palaeoclimate archives in the Lower Danube Basin. The suggested stratigraphy is based on the position of the Matuyama–Brunhes boundary, rock magnetic, palaeopedological and sedimentological proxies, and it is confidently correlated with other loess records in the region (Roksolany and Kurortne), as well as with the marine isotope stratigraphy. The magnetic susceptibility records and palaeosol characteristics at Dolynske show an outstanding pattern that is transitional between eastern and south-eastern European loess records. Our data confirm that the well-developed S4 soil unit in Ukraine, and S5 units in Romania, Bulgaria and Serbia, correlate with the warm MIS 11. Furthermore, we suggest the correlation of rubified S6 palaeosols in Romania and Bulgaria and the V-S7–V-S8 double palaeosol in Serbia with S6 in Ukraine, a strong Mediterranean-type palaeosol which corresponds to MIS 15. Our new results do not support the hypothesis of a large magnetic lock-in depth like that previously interpreted for the Danube loess, and they prove that the Matuyama–Brunhes boundary is located within the palaeosol unit corresponding to MIS 19. The proposed stratigraphic correlation scheme may serve as a potential basis for further regional and global Pleistocene climatic reconstructions.
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Naumenko SA, Logacheva MD, Popova NV, Klepikova AV, Penin AA, Bazykin GA, Etingova AE, Mugue NS, Kondrashov AS, Yampolsky LY. Transcriptome‐based phylogeny of endemic Lake Baikal amphipod species flock: fast speciation accompanied by frequent episodes of positive selection. Mol Ecol 2017; 26:536-553. [DOI: 10.1111/mec.13927] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 10/11/2016] [Accepted: 10/12/2016] [Indexed: 12/15/2022]
Affiliation(s)
- Sergey A. Naumenko
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Institute for Information Transmission Problems (Kharkevich Institute) of the Russian Academy of Sciences Moscow Russia
- Genetics and Genome Biology Program The Hospital For Sick Children Toronto ON Canada
| | - Maria D. Logacheva
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Institute for Information Transmission Problems (Kharkevich Institute) of the Russian Academy of Sciences Moscow Russia
- Pirogov Russian National Research Medical University Moscow Russia
| | - Nina V. Popova
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
| | - Anna V. Klepikova
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Institute for Information Transmission Problems (Kharkevich Institute) of the Russian Academy of Sciences Moscow Russia
| | - Aleksey A. Penin
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Institute for Information Transmission Problems (Kharkevich Institute) of the Russian Academy of Sciences Moscow Russia
| | - Georgii A. Bazykin
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Institute for Information Transmission Problems (Kharkevich Institute) of the Russian Academy of Sciences Moscow Russia
- Pirogov Russian National Research Medical University Moscow Russia
- Skolkovo Institute of Science and Technology Skolkovo Russia
| | - Anna E. Etingova
- Baikal Museum Irkutsk Research Center Russian Academy of Sciences Listvyanka, Irkutsk region Russia
| | - Nikolai S. Mugue
- Laboratory of Molecular Genetics Russian Institute for Fisheries and Oceanography (VNIRO) Moscow Russia
- Laboratory of Experimental Embryology Koltsov Institute of Developmental Biology Moscow Russia
| | - Alexey S. Kondrashov
- Belozersky Institute of Physico‐Chemical Biology Lomonosov Moscow State University Moscow Russia
- Department of Ecology and Evolution University of Michigan Ann Arbor MI USA
| | - Lev Y. Yampolsky
- Department of Biological Sciences East Tennessee State University Johnson City TN USA
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Torres NT, Och LM, Hauser PC, Furrer G, Brandl H, Vologina E, Sturm M, Bürgmann H, Müller B. Early diagenetic processes generate iron and manganese oxide layers in the sediments of Lake Baikal, Siberia. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2014; 16:879-889. [PMID: 24619231 DOI: 10.1039/c3em00676j] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Distinct layers of iron(III) and manganese(IV) (Fe/Mn) oxides are found buried within the reducing part of the sediments in Lake Baikal and cause considerable complexity and steep vertical gradients with respect to the redox sequence. For the on-site investigation of the responsible biogeochemical processes, we applied filter tube samplers for the extraction of sediment porewater combined with a portable capillary electrophoresis instrument for the analyses of inorganic cations and anions. On the basis of the new results, the sequence of diagenetic processes leading to the formation, transformation, and dissolution of the Fe/Mn layers was investigated. With two exemplary cores we demonstrate that the dissolution of particulate Fe and Mn is coupled to the anaerobic oxidation of CH₄ (AOM) either via the reduction of sulphate (SO₄(2-)) and the subsequent generation of Fe(II) by S(-II) oxidation, or directly coupled to Fe reduction. Dissolved Fe(II) diffuses upwards to reduce particulate Mn(IV) thus forming a sharp mineral boundary. An alternative dissolution pathway is indicated by the occurrence of anaerobic nitrification of NH₄(+) observed at locations with Mn(IV). Furthermore, the reasons and consequences of the non-steady-state sediment pattern and the resulting redox discontinuities are discussed and a suggestion for the burial of active Fe/Mn layers is presented.
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Affiliation(s)
- Natascha T Torres
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-6047 Kastanienbaum, Switzerland.
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CRISTESCU MELANIAE, ADAMOWICZ SARAHJ, VAILLANT JAMESJ, HAFFNER DOUGLASG. Ancient lakes revisited: from the ecology to the genetics of speciation. Mol Ecol 2010; 19:4837-51. [DOI: 10.1111/j.1365-294x.2010.04832.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zink KG, Mangelsdorf K, Granina L, Horsfield B. Estimation of bacterial biomass in subsurface sediments by quantifying intact membrane phospholipids. Anal Bioanal Chem 2007; 390:885-96. [DOI: 10.1007/s00216-007-1732-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2007] [Revised: 10/24/2007] [Accepted: 10/31/2007] [Indexed: 11/28/2022]
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Zykin VS, Zykina VS, Zazhigin VS. Issues in separating and correlating pliocene and quaternary sediments of Southwestern Siberia. ARCHAEOLOGY, ETHNOLOGY AND ANTHROPOLOGY OF EURASIA 2007. [DOI: 10.1134/s1563011007020028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bowen BW, Bass AL, Rocha LA, Grant WS, Robertson DR. PHYLOGEOGRAPHY OF THE TRUMPETFISHES (AULOSTOMUS): RING SPECIES COMPLEX ON A GLOBAL SCALE. Evolution 2007. [DOI: 10.1111/j.0014-3820.2001.tb00619.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Chernitsina SM, Zemskaya TI, Vorob’eva SS, Shubenkova OV, Khlystov OM, Kostornova TY. Comparative molecular biological analysis of the microbial community of the Holocene and Pleistocene deposits of Posol’skaya Shoal, Lake Baikal. Microbiology (Reading) 2007. [DOI: 10.1134/s0026261707010146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Anderson WD. Meganthias carpenteri, new species of fish from the eastern Atlantic Ocean, with a key to eastern Atlantic Anthiinae (Perciformes: Serranidae). P BIOL SOC WASH 2006. [DOI: 10.2988/0006-324x(2006)119[404:mcnsof]2.0.co;2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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11
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GRANT WSTEWART, BOWEN BRIANW. Living in a tilted world: climate change and geography limit speciation in Old World anchovies (Engraulis; Engraulidae). Biol J Linn Soc Lond 2006. [DOI: 10.1111/j.1095-8312.2006.00651.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Zhmodik S, Verkhovtseva N, Soloboeva E, Mironov A, Nemirovskaya N, Ilić R, Khlystov O, Titov A. The study of distribution and forms of uranium occurrences in Lake Baikal sediments by the SSNTD method. RADIAT MEAS 2005. [DOI: 10.1016/j.radmeas.2005.04.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Dennell R. Dispersal and colonisation, long and short chronologies: how continuous is the Early Pleistocene record for hominids outside East Africa? J Hum Evol 2003; 45:421-40. [PMID: 14643672 DOI: 10.1016/j.jhevol.2003.09.006] [Citation(s) in RCA: 216] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This paper examines the evidence for hominids outside East Africa during the Early Pleistocene. Most attention has focused recently on the evidence for or against a late Pliocene dispersal, ca. 1.8 Ma., of hominids out of Africa into Asia and possibly southern Europe. Here, the focus is widened to include North Africa as well as southern Asia and Europe, as well as the evidence in these regions for hominids after their first putative appearance ca. 1.8 Ma. It suggests that overall there is very little evidence for hominids in most of these regions before the Middle Pleistocene. Consequently, it concludes that the colonising capabilities of Homo erectus may have been seriously over-rated, and that even if hominids did occupy parts of North Africa, southern Europe and southern Asia shortly after 2 Ma, there is little evidence of colonisation. Whilst further fieldwork will doubtless slowly fill many gaps in a poorly documented Lower Pleistocene hominid record, it appears premature to conclude that the appearance of hominids in North Africa, Europe and Asia was automatically followed by permanent settlement. Rather, current data are more consistent with the view that Lower Pleistocene hominid populations outside East Africa were often spatially and temporally discontinuous, that hominid expansion was strongly constrained by latitude, and that occupation of temperate latitudes north of latitude 40 degrees was largely confined to interglacial periods.
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Affiliation(s)
- Robin Dennell
- Department of Archaeology and Prehistory, University of Sheffield, Sheffield S1 4ET, UK.
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Zhmodik S, Verkhovtseva N, Mironov A, Ilić R, Nemirovskaya N, Khlystov O, Klerkx J, Zhmodik A. Mapping of uranium and phosphorus in sediments of Lakes Baikal and Issyk-Kul by neutron-induced autoradiography. RADIAT MEAS 2003. [DOI: 10.1016/s1350-4487(03)00204-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Koskinen MT, Knizhin I, Primmer CR, Schlötterer C, Weiss S. Mitochondrial and nuclear DNA phylogeography of Thymallus spp (grayling) provides evidence of ice-age mediated environmental perturbations in the world's oldest body of fresh water, Lake Baikal. Mol Ecol 2002; 11:2599-611. [PMID: 12453243 DOI: 10.1046/j.1365-294x.2002.01642.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Theories on the hydrological history of Lake Baikal, the world's oldest and deepest body of freshwater, and its surrounding great rivers, are currently based solely on geological evidence and are conflicting. Baikal is inhabited by numerous zoogeographical enigmas but their high level of endemism has hindered phylogeographic inferences. We provide a biological perspective of the region's palaeo-hydrological development based on the demographic and genealogical history of the widespread Thymallus spp. (grayling). Phylogenetic reconstruction reveals that old lineages of grayling (pre-Pleistocene) currently inhabit the Enisey, Lena and Amur River basins. For Lake Baikal however, we conclude that a mid-Pleistocene colonization (110000-450000 years ago) of an unoccupied niche has occurred. Population genetic inferences support an Enisey-Angara river route of colonization into Baikal, corresponding to the cataclysmic palaeo-hydrological event that led to the formation of the lake's only contemporary outlet, and a subsequent range expansion several thousand kilometres into the uppermost reaches of the Selenga River basin. The evolutionary history of Lake Baikal grayling is congruent with the controversial hypothesis of repeated glaciation. However, considering the extraordinary levels of endemism and proposed Miocene or Oligocene coalescence of other faunal lineages, a less profound but equally consequential cycle of environmental perturbations may have taken place. Bi-parentally inherited microsatellite DNA loci supported the phylogenetic relationships of Thymallus spp. and the geographical expansion of Baikal grayling strikingly well. A Markov Chain Monte Carlo modelling approach suggested severe contemporary population decline during the last century, possibly reflecting the influence of an uncontrolled fishery on this treasured ecosystem. These complementary pictures of the demographic history of grayling underscore the breadth of historical inquiry that can be entertained through the modelling of sufficient molecular data, and may significantly alter the zoogeographical and limnological perspectives of Baikal's history.
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Affiliation(s)
- Mikko T Koskinen
- Department of Ecology and Systematics, PO Box 65, FIN-00014 University of Helsinki, Finland
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ten Brink US, Taylor MH. Crustal structure of central Lake Baikal: Insights into intracontinental rifting. ACTA ACUST UNITED AC 2002. [DOI: 10.1029/2001jb000300] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Prokopenko AA, Williams DF, Kuzmin MI, Karabanov EB, Khursevich GK, Peck JA. Muted climate variations in continental Siberia during the mid-Pleistocene epoch. Nature 2002; 418:65-8. [PMID: 12097906 DOI: 10.1038/nature00886] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The large difference in carbon and oxygen isotope data from the marine record between marine oxygen isotope stage 12 (MIS 12) and MIS 11, spanning the interval between about 480 and 380 kyr ago, has been interpreted as a transition between an extremely cold glacial period and an unusually warm interglacial period, with consequences for global ice volume, sea level and the global carbon cycle. The extent of the change is intriguing, because orbital forcing is predicted to have been relatively weak at that time. Here we analyse a continuous sediment record from Lake Baikal, Siberia, which reveals a virtually continuous interglacial diatom assemblage, a stable littoral benthic diatom assemblage and lithogenic sediments with 'interglacial' characteristics for the period from MIS 15a to MIS 11 (from about 580 to 380 kyr ago). From these data, we infer significantly weaker climate contrasts between MIS 12 and 11 than during more recent glacial-interglacial transitions in the late Pleistocene epoch (about 130 to 10 kyr ago). For the period from MIS 15a to MIS 11, we also infer an apparent lack of extensive mountain glaciation.
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Affiliation(s)
- Alexander A Prokopenko
- Department of Geological Sciences, University of South Carolina, Columbia, South Carolina 29208, USA.
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Prokopenko AA, Karabanov EB, Williams DF. Age of long sediment cores from Lake Baikal. Nature 2002; 415:976. [PMID: 11875553 DOI: 10.1038/415976a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The new BDP-98 drill core of the Baikal Drilling Project is a key palaeoclimate record in continental Asia because globally sensitive sedimentary records of such length and continuity are very rare. Kashiwaya et al. have attempted signal processing of the BDP-98 average grain-size record, but in constructing their age model they excised a 100-metre interval from the 600-metre section, stating that it is "erroneous". On the basis of our lithological studies, we consider that this excision is unjustified.
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Affiliation(s)
- Alexander A Prokopenko
- Department of Geological Sciences, University of South Carolina, Columbia, South Carolina 29208, USA.
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Bowen W, Bass AL, Rocha LA, Grant WS, Robertson DR. Phylogeography of the trumpetfishes (Aulostomus): ring species complex on a global scale. Evolution 2001; 55:1029-39. [PMID: 11430639 DOI: 10.1554/0014-3820(2001)055[1029:pottar]2.0.co;2] [Citation(s) in RCA: 211] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The distribution of circumtropical marine species is limited by continental boundaries, cold temperate conditions, and oceanic expanses, but some of these barriers are permeable over evolutionary time scales. Sister taxa that evolved in separate ocean basins can come back into contact, and the consequences of this renewed sympatry may be a key to understanding evolutionary processes in marine organisms. The circumtropical trumpetfishes (Aulostomus) include a West Atlantic species (A. maculatus), an Indian-Pacific species (A. chinensis), and an East Atlantic species (A. strigosus) that may be the product of a recent invasion from the Indian Ocean. To resolve patterns of divergence and speciation, we surveyed 480 bp of mitochondrial DNA cytochrome b in 196 individuals from 16 locations. Based on a conventional molecular clock of 2% sequence divergence per million years, the deepest partitions in a neighbor-joining tree (d = 0.063-0.082) are consistent with separation of West Atlantic and Indian-Pacific species by the Isthmus of Panama, 3-4 million years ago. By the same criteria, trumpetfish in the East Atlantic were isolated from the Indian Ocean about 2.5 million years ago (d = 0.044-0.054), coincident with the advent of glacial cycles and cold-water upwelling around South Africa. Continental barriers between tropical oceans have only rarely been surmounted by trumpetfishes, but oceanic barriers do not appear to be substantial, as indicated by weak population partitioning (phiST = 0.093) in A. chinensis across the Indian and Pacific Oceans. Finally, morphological and mitochondrial DNA data indicate hybridization of A. strigosus and A. maculatus in Brazil. After 3-4 million years and a globe-spanning series of vicariant and dispersal events, trumpetfish lineages have come back into contact in the southwest Atlantic and appear to be merging. This ring species phenomenon may occur in a broad array of marine organisms, with clear implications for the production and maintenance of biodiversity in marine ecosystems.
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Affiliation(s)
- W Bowen
- Department of Fisheries and Aquatic Sciences, University of Florida, Gainesville 32653, USA.
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Liu HS. Insolation changes caused by combination of amplitude and frequency modulation of the obliquity. ACTA ACUST UNITED AC 1999. [DOI: 10.1029/1999jb900246] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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