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Pleistocene Climate sentence examples within Late Pleistocene Climate

Late Pleistocene Climate

&#160;</p><p>Here we use the glacial landform record to reconstruct the deglaciation dynamics of the central sector of the CIS during the Late Pleistocene climate reversals.

Deglaciation of the central sector of the Cordilleran Ice Sheet in northern British Columbia

Late Pleistocene Climate

Three aspects of this period remain poorly understood: Why did the dominant frequency of climate oscillation change, given that no major changes in orbital forcing occurred? Why are the longer glacial cycles of the Late Pleistocene characterised by a more asymmetric form with abrupt terminations? And how can the Late Pleistocene climate be controlled by 100 kyr cyclicity when astronomical forcings of this frequency are so much weaker than those operating on shorter periods? Here we show that the decreasing frequency and increasing asymmetry that characterise Late Pleistocene ice age cycles both emerge naturally in dynamical systems in response to increasing system complexity, with collapse events (terminations) occuring only once a critical state has been reached.

Emergence of critical climate states during the Pleistocene

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Pleistocene Climate sentence examples within Middle Pleistocene Climate

Middle Pleistocene Climate

Moreover, the stratum in the SYS shelf records the Middle Pleistocene climate transition (MPT).

Astronomical dating of Quaternary strata in the South Yellow Sea and its indication for paleoclimatic evolution

Middle Pleistocene Climate

The international endeavour to retrieve a continuous ice core, which spans the middle Pleistocene climate transition ca.

Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice

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Pleistocene Climate sentence examples within Early Pleistocene Climate

Early Pleistocene Climate

The amphibian and squamate assemblage from Copăceni supports the existence of a permanent freshwater body, of neighbouring forests or shrubberies, and thick soil, in an Early Pleistocene climate that was warmer than the present one.

Early Pleistocene amphibians and squamates from Copăceni (Dacian Basin, southern Romania)

Early Pleistocene Climate

A palynological study was performed using the core obtained from the Integrated Ocean Drilling Program (IODP) Expedition 346 Site U1430 in the Eastern South Korea Plateau in the East Sea, to reveal variability of paleoclimate and paleoceanography during the late Pliocene to early Pleistocene climate transition period (56.

Palynological study of paleoclimate and paleoceanographic changes in the Eastern South Korea Plateau, East Sea, during the Plio-Pleistocene climate transition

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Pleistocene Climate sentence examples within pleistocene climate transition

pleistocene climate transition

Moreover, the stratum in the SYS shelf records the Middle Pleistocene climate transition (MPT).

Astronomical dating of Quaternary strata in the South Yellow Sea and its indication for paleoclimatic evolution

pleistocene climate transition

We find evidence for reductions in pCO2 of ~280 µatm during the Middle Miocene Climate Transition, ~270 µatm during Pliocene Glacial Intensification, and ~50 µatm during the Mid-Pleistocene Climate Transition.

Atmospheric CO2 estimates for the Miocene to Pleistocene based on foraminiferal δ11B at Ocean Drilling Program Sites 806 and 807 in the Western Equatorial Pacific

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Pleistocene Climate sentence examples within pleistocene climate change

pleistocene climate change

Accordingly, the female lineage underwent demographic expansion associated to Pleistocene climate change, whereas the male lineage remained constant.

Discordance in maternal and paternal genetic markers in lesser long-nosed bat Leptonycteris yerbabuenae, a migratory bat: recent expansion to the North and male phylopatry

pleistocene climate change

In this study, we explored the role of both the Pleistocene climate changes and hybridization on the contemporary geographic structure of two Neotropical weedy species: Tithonia tubaeformis and T.

Comparing the population history of Neotropical annual species: The role of climate change and hybridization between Tithonia tubaeformis and T. rotundifolia (Asteraceae).

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Pleistocene Climate sentence examples within pleistocene climate fluctuation

pleistocene climate fluctuation

The results suggest that the western part of the Balkans played an important role as microrefugia during the Pleistocene climate fluctuations, allowing the long term persistence of A.

Genetic diversity and structure of the noble crayfish populations in the Balkan Peninsula revealed by mitochondrial and microsatellite DNA markers

pleistocene climate fluctuation

The multi-proxy sediment provenance analysis of two sedimentary successions (GER1 core, 130 m long, and CB core, 103 m long) provides new data for detecting the temporal and spatial variations in fluvial drainage patterns and landscape evolution of the Venetian Plain (NE Italy) in relation to Middle–Late Pleistocene climate fluctuations.

Seesaw longitudinal–transverse drainage patterns driven by Middle and Late Pleistocene climate cycles in the foreland basin of the south-eastern European Alps

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Pleistocene Climate sentence examples within pleistocene climate oscillation

pleistocene climate oscillation

Plio-Pleistocene climate oscillations and orogeny instigated early divergence of the genus.

Plastid phylogenomics and insights into the inter-mountain dispersal of the Eastern African giant senecios (Dendrosenecio, Asteraceae).

pleistocene climate oscillation

The new evidence points to a much younger and more dynamic island scenario than envisioned by Hedberg: the afroalpine flora is unsaturated and fragile, it was repeatedly disrupted by the Pleistocene climate oscillations, and it harbours taxonomic and genetic diversity that is unique but severely depauperated by frequent bottlenecks and cycles of colonisation, extinction, and recolonisation.

History and evolution of the afroalpine flora: in the footsteps of Olov Hedberg

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Pleistocene Climate sentence examples within pleistocene climate cycle

pleistocene climate cycle

The Pleistocene climate cycles and mountain uplift both affected the diversification of taxa in Mesoamerica.

Phylogeography, morphology and ecological niche modelling to explore the evolutionary history of Azure-crowned Hummingbird (Amazilia cyanocephala, Trochilidae) in Mesoamerica

pleistocene climate cycle

Aim Historical factors such as Pleistocene climate cycles and associated environmental changes have influenced the phylogeographic structure and demographic dynamics of many species.

Regionally divergent drivers of historical diversification in the late Quaternary in a widely distributed generalist species, the common pheasant Phasianus colchicus

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Pleistocene Climate sentence examples within pleistocene climate refugium

pleistocene climate refugium

Here we examine evidence for a Pleistocene climate refugium in the southern Central Desert of Oman, and its role in driving biogeographical patterns of endemism.

Islands in the desert: environmental distribution modelling of endemic flora reveals the extent of Pleistocene tropical relict vegetation in southern Arabia.

pleistocene climate refugium

Here we examine evidence for a Pleistocene climate refugium in the southern Central Desert of Oman, and its role in driving biogeographical patterns of endemism.

Islands in the desert: Environmental distribution modelling of endemic flora reveals the extent of Pleistocene tropical relict vegetation in southern Arabia

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Pleistocene Climate sentence examples within pleistocene climate shift

pleistocene climate shift

Divergence time estimates suggest that the divergences were driven by historical isolation associated with Pleistocene climate shifts.

Integrated analysis of the ringneck snake Diadophis punctatus complex (Colubridae: Dipsadidae) in a biodiversity hotspot provides the foundation for conservation reassessment

pleistocene climate shift

taiwaniana complex has been affected by Pleistocene climate shifts, sea-level oscillations, and human activities.

Population Differentiation and Demographic History of the Cycas taiwaniana Complex (Cycadaceae) Endemic to South China as Indicated by DNA Sequences and Microsatellite Markers

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10.3389/fpls.2021.659275

barbaraeoides, which highlights the role of mountains in the Balkan Peninsula both as refugia and melting pots favoring species contacts and polyploid evolution in response to Pleistocene climate-induced range dynamics.

Allele Sorting as a Novel Approach to Resolving the Origin of Allotetraploids Using Hyb-Seq Data: A Case Study of the Balkan Mountain Endemic Cardamine barbaraeoides

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10.5194/EGUSPHERE-EGU21-9733

<p><span>The Pleistocene climate was dominated by alternating retreat and regrowth of massive ice sheets accompanied by large variations in the global mean temperature and sea level.

Glaciation cycle models and their pullback attractors

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10.5194/EGUSPHERE-EGU21-3454

Our results indicate that the stabilityof the Pleistocene climate to large perturbations decreases with time: past climates being much more stable compared to the present one.

Stability of the global climate system against strong perturbations

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10.1111/nph.17766

Although experiments have confirmed the divaricate habit deters extant browsers, its abundance on frosty, droughty sites appears consistent with an earlier interpretation as a response to cold, dry Plio-Pleistocene climates.

A dated phylogeny shows Plio-Pleistocene climates spurred evolution of anti-browsing defences in the New Zealand flora.

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10.5194/cp-2021-66

The cause of the MPT remains a puzzling aspect of Pleistocene climate.

Biomarker Proxy Records of Arctic Climate Change During the Mid-Pleistocene Transition from Lake El’gygytgyn (Far East Russia)

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10.1016/J.QUAINT.2018.05.041

The “flickering” of the Pleistocene climate in contrast to the stability of the Holocene may have been the primary driver of these differences.

Changes in small mammal communities throughout the late Quaternary across eastern environmental gradients of the United States

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10.1007/s00382-019-05087-3

At multi-millennial time scales the spectrum of the Pleistocene climate is composed of a set of narrow band spectral modes attributed to the regularly varying changes in insolation from the astronomical change in Earth’s orbit and rotation superimposed on a continuous background generally attributed to stochastic variations.

Crossover and peaks in the Pleistocene climate spectrum; understanding from simple ice age models

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Pleistocene Climate
Encyclopedia

What is/are Pleistocene Climate?

Pleistocene Climate - barbaraeoides, which highlights the role of mountains in the Balkan Peninsula both as refugia and melting pots favoring species contacts and polyploid evolution in response to Pleistocene climate-induced range dynamics. [1] The Pleistocene climate was dominated by alternating retreat and regrowth of massive ice sheets accompanied by large variations in the global mean temperature and sea level. [2] Our results indicate that the stabilityof the Pleistocene climate to large perturbations decreases with time: past climates being much more stable compared to the present one. [3] Although experiments have confirmed the divaricate habit deters extant browsers, its abundance on frosty, droughty sites appears consistent with an earlier interpretation as a response to cold, dry Plio-Pleistocene climates. [4] The cause of the MPT remains a puzzling aspect of Pleistocene climate. [5] The “flickering” of the Pleistocene climate in contrast to the stability of the Holocene may have been the primary driver of these differences. [6] At multi-millennial time scales the spectrum of the Pleistocene climate is composed of a set of narrow band spectral modes attributed to the regularly varying changes in insolation from the astronomical change in Earth’s orbit and rotation superimposed on a continuous background generally attributed to stochastic variations. [7]

Late Pleistocene Climate

 Here we use the glacial landform record to reconstruct the deglaciation dynamics of the central sector of the CIS during the Late Pleistocene climate reversals. [1] Three aspects of this period remain poorly understood: Why did the dominant frequency of climate oscillation change, given that no major changes in orbital forcing occurred? Why are the longer glacial cycles of the Late Pleistocene characterised by a more asymmetric form with abrupt terminations? And how can the Late Pleistocene climate be controlled by 100 kyr cyclicity when astronomical forcings of this frequency are so much weaker than those operating on shorter periods? Here we show that the decreasing frequency and increasing asymmetry that characterise Late Pleistocene ice age cycles both emerge naturally in dynamical systems in response to increasing system complexity, with collapse events (terminations) occuring only once a critical state has been reached. [2] These changes in composition, structure and biomass occurred during a time of rapid Late Pleistocene climate warming, regional hydroclimatic drying, and slowly rising atmospheric CO2 from 27,000 to 16,500 cal yr BP, during and following the conditions of the global Last Glacial Maximum. [3] The multi-proxy sediment provenance analysis of two sedimentary successions (GER1 core, 130 m long, and CB core, 103 m long) provides new data for detecting the temporal and spatial variations in fluvial drainage patterns and landscape evolution of the Venetian Plain (NE Italy) in relation to Middle–Late Pleistocene climate fluctuations. [4] We found that populations in the Mono Basin of California probably diverged from other Great Basin populations during late Pleistocene climate oscillations, and that this region is adaptively differentiated from other regions in the southern Great Basin despite limited gene flow and low effective population size. [5] Proxy data from pollen and mollusc indicator species, periglacial phenomena, changes in geometry of mountain palaeoglaciers and based on selected lithological and geomorphological features enabled reconstruction of the Late Pleistocene climate characteristics in Poland and adjacent areas. [6] Late Pleistocene climate oscillations are believed to have greatly influenced the distribution, population dynamics, and genetic variation of many marine organisms in the western Pacific. [7] Our results constrain northern Alaska Range thrust system deformation rates, and elucidate superimposed landscape responses to Late Pleistocene climate change and active folding with broad geomorphic implications. [8] The late Pleistocene climate-induced water level fluctuations in the Gulf of Gemlik have been first documented in detail by analyses of high-resolution seismic reflection profiles that are tied to radiocarbon-dated sediment cores. [9]

Middle Pleistocene Climate

Moreover, the stratum in the SYS shelf records the Middle Pleistocene climate transition (MPT). [1] The international endeavour to retrieve a continuous ice core, which spans the middle Pleistocene climate transition ca. [2] A unique Middle to Late Pleistocene site is situated in the southern part of the Kola Peninsula on the right bank of the lower Varzuga River, providing for the first time valuable evidence concerning Middle Pleistocene climate change and a marine transgression event during this period. [3] The international endeavour to retrieve a continuous ice core, which spans the middle Pleistocene climate transition ca. [4]

Early Pleistocene Climate

The amphibian and squamate assemblage from Copăceni supports the existence of a permanent freshwater body, of neighbouring forests or shrubberies, and thick soil, in an Early Pleistocene climate that was warmer than the present one. [1] A palynological study was performed using the core obtained from the Integrated Ocean Drilling Program (IODP) Expedition 346 Site U1430 in the Eastern South Korea Plateau in the East Sea, to reveal variability of paleoclimate and paleoceanography during the late Pliocene to early Pleistocene climate transition period (56. [2]

pleistocene climate transition

Moreover, the stratum in the SYS shelf records the Middle Pleistocene climate transition (MPT). [1] We find evidence for reductions in pCO2 of ~280 µatm during the Middle Miocene Climate Transition, ~270 µatm during Pliocene Glacial Intensification, and ~50 µatm during the Mid-Pleistocene Climate Transition. [2] Increased toolmaking skills and technological innovations are evident in the Nihewan Basin at the onset of the Mid-Pleistocene Climate Transition (MPT). [3] We suggest that against the background of the middle-Pleistocene climate transition (MPT), regional aridification and a strengthened east Asian winter monsoon (driven by global cooling and the rapid uplift of the Tibetan Plateau) were primary drivers for the initiation of the QARE deposit in the MRYR region in southern China. [4] The study of the propagation of this signal through the system might elucidate how different source-to-sink systems respond to a given perturbation, for instance, the Early to Middle-Pleistocene climate transition. [5] Especially, increased toolmaking skills and technological innovations are evident in temperate Nihewan Basin at the onset of the Mid-Pleistocene Climate Transition. [6] Under the background of middle-Pleistocene climate transition (MPT), regional aridity and a strengthened east Asian winter monsoon (driven by global cooling and the rapid uplift of the Tibetan Plateau) were considered as the primary drivers for the development of the Xiashu loess. [7] 2 Ma, close to the onset of Mid-Pleistocene climate transition. [8] The international endeavour to retrieve a continuous ice core, which spans the middle Pleistocene climate transition ca. [9] 6 Ma BP, as part of the Pliocene-Pleistocene climate transition. [10] The Caspian Sea, the easternmost basin experienced a five-fold increase in surface area during the Plio-Pleistocene climate transition, but a basic process-based understanding is severely hampered by a lack of high-resolution age constraints. [11] A palynological study was performed using the core obtained from the Integrated Ocean Drilling Program (IODP) Expedition 346 Site U1430 in the Eastern South Korea Plateau in the East Sea, to reveal variability of paleoclimate and paleoceanography during the late Pliocene to early Pleistocene climate transition period (56. [12] The international endeavour to retrieve a continuous ice core, which spans the middle Pleistocene climate transition ca. [13]

pleistocene climate change

Accordingly, the female lineage underwent demographic expansion associated to Pleistocene climate change, whereas the male lineage remained constant. [1] In this study, we explored the role of both the Pleistocene climate changes and hybridization on the contemporary geographic structure of two Neotropical weedy species: Tithonia tubaeformis and T. [2] These surfaces might correspond to steady tectonic uplift/subsidence periods when deposition was mostly controlled by Pleistocene climate changes since the Gelasian. [3] The southern Caspian Lowland sensitively reacted to Pleistocene climate change and is a key area for reconstructing climate dynamics and landscape evolution in Southern Eurasia. [4] Despite decades of study, the factors that controlled the formation and evolution of the upper reaches of the Yellow River, including uplift of the northeastern Tibetan Plateau, Pliocene-Pleistocene climate change, and autogenetic processes are still poorly constrained. [5] Many European and North American organisms have retreated to southern refugia during glacial periods and colonized northward during postglacial periods, but little is known about the evolutionary response of cold‐adapted insects to Pleistocene climate changes in eastern Asia. [6] More specifically, we test the ‘mountain geobiodiversity hypothesis’ (MGH) which is based on the assumption that it is not mountain‐uplift alone which drives the evolution of mountain biodiversity, but rather the combination of geodiversity evolution and Neogene and Pleistocene climate changes. [7] Our results constrain northern Alaska Range thrust system deformation rates, and elucidate superimposed landscape responses to Late Pleistocene climate change and active folding with broad geomorphic implications. [8] A unique Middle to Late Pleistocene site is situated in the southern part of the Kola Peninsula on the right bank of the lower Varzuga River, providing for the first time valuable evidence concerning Middle Pleistocene climate change and a marine transgression event during this period. [9] Biogeographers have focused on the roles of rivers and Pleistocene climate change in explaining high rates of speciation. [10] We contribute to the growing body of multi-locus phylogeographic studies investigating the effect of Pleistocene climate change on species evolution by focusing on a widespread Australo-Papuan songbird with several mitochondrial lineages that diverged during the Pleistocene, the grey shrike-thrush (Colluricincla harmonica). [11] We performed phylogeographic and genetic structure analyses of Neothraupis fasciata joined with species distribution modelling to evaluate whether: (1) the distribution of genetic variability shows a pattern expected by the isolation-by-distance model; (2) the influence of the Pleistocene climate changes on species distribution; and (3) climate/climatic stability (hypothesis of climatic stability) as a predictor of population genetic diversity. [12]

pleistocene climate fluctuation

The results suggest that the western part of the Balkans played an important role as microrefugia during the Pleistocene climate fluctuations, allowing the long term persistence of A. [1] The multi-proxy sediment provenance analysis of two sedimentary successions (GER1 core, 130 m long, and CB core, 103 m long) provides new data for detecting the temporal and spatial variations in fluvial drainage patterns and landscape evolution of the Venetian Plain (NE Italy) in relation to Middle–Late Pleistocene climate fluctuations. [2] AIM: To quantify the effect of Pleistocene climate fluctuations on habitat connectivity across paramos in the Northern Andes. [3] Endemism in mountain ranges is considered to be the result of a number of factors, including restriction to refugia during Pleistocene climate fluctuations. [4] Taxonomic, phylogenetic and biogeographic data were previously interpreted to suggest the hirtus-group diversified within the past 350,000 years through a series of cave colonization and speciation events related to Pleistocene climate fluctuations. [5] Aim To quantify the effect of Pleistocene climate fluctuations on habitat connectivity across páramos in the Neotropics. [6] Pleistocene climate fluctuations had profound influence on the biogeographical history of many biota. [7] Pleistocene climate fluctuations partially explain the geographic structure of T. [8] commersoni were probably associated with Pleistocene climate fluctuations. [9] PREMISE We take an integrative approach in assessing how introgression and Pleistocene climate fluctuations have shaped the diversification of the core Lentago clade of Viburnum, a group of five interfertile species with broad areas of sympatry. [10]

pleistocene climate oscillation

Plio-Pleistocene climate oscillations and orogeny instigated early divergence of the genus. [1] The new evidence points to a much younger and more dynamic island scenario than envisioned by Hedberg: the afroalpine flora is unsaturated and fragile, it was repeatedly disrupted by the Pleistocene climate oscillations, and it harbours taxonomic and genetic diversity that is unique but severely depauperated by frequent bottlenecks and cycles of colonisation, extinction, and recolonisation. [2] We found that populations in the Mono Basin of California probably diverged from other Great Basin populations during late Pleistocene climate oscillations, and that this region is adaptively differentiated from other regions in the southern Great Basin despite limited gene flow and low effective population size. [3] Late Pleistocene climate oscillations are believed to have greatly influenced the distribution, population dynamics, and genetic variation of many marine organisms in the western Pacific. [4] The relationships among populations, their divergence time, and the most probable migration model were estimated and are discussed in light of the Pleistocene climate oscillations. [5] The widespread Lineage 1 showed a strong signature of population expansion during the Pleistocene climate oscillation. [6] narica are associated with geographic barriers and habitat shifts likely caused by Pliocene-Pleistocene climate oscillations. [7] Motivation In order to understand how species evolutionarily responded to Plio‐Pleistocene climate oscillations (e. [8]

pleistocene climate cycle

The Pleistocene climate cycles and mountain uplift both affected the diversification of taxa in Mesoamerica. [1] Aim Historical factors such as Pleistocene climate cycles and associated environmental changes have influenced the phylogeographic structure and demographic dynamics of many species. [2] Our results suggest speciation with periodic gene flow is a common force in generating species diversity through Pleistocene climate cycles, and highlight the limits of current inference techniques for demographic models mimicking the complexity of earth’s recent climatic history. [3]

pleistocene climate refugium

Here we examine evidence for a Pleistocene climate refugium in the southern Central Desert of Oman, and its role in driving biogeographical patterns of endemism. [1] Here we examine evidence for a Pleistocene climate refugium in the southern Central Desert of Oman, and its role in driving biogeographical patterns of endemism. [2]

pleistocene climate shift

Divergence time estimates suggest that the divergences were driven by historical isolation associated with Pleistocene climate shifts. [1] taiwaniana complex has been affected by Pleistocene climate shifts, sea-level oscillations, and human activities. [2]