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38 results for “relict population”
Data from: Extending glacial refugia for a European tree: genetic markers show that Iberian populations of white elm are native relicts and not introductions
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Data from: Historical population size change and differentiation of relict populations of the endangered giant kangaroo rat
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Data from: Waterscape genetics of the yellow perch (Perca flavescens): patterns across large connected ecosystems and isolated relict populations
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Data from: Establishment of a coastal fish in the Azores: recent colonisation or sudden expansion of an ancient relict population?
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Data from: Population clustering and clonal structure evidence the relict state of Ulmus minor Mill. in the Balearic Islands
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Comparative population genetics of the federally endangered Relict Darter, and its sister taxon the Clarks Darter (Teleostei: Percidae)
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Data from: Biogeography in a continental island: population structure of the relict endemic centipede Craterostigmus tasmanianus (Chilopoda, Craterostigmomorpha) in Tasmania using 16S rRNA and COI
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Data from: Evidence of low within-pair genetic relatedness in a relict population of Thorn-tailed Rayadito despite long-term isolation
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FIGURE 1 in Relict populations of Diaphanosoma (Cladocera: Ctenopoda) in the Chadian Sahara, with the description of a new species
FIGURE 1. West bank of Lake Bokou while the sample for the present study was being taken.
Figure 6 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figure 6 Final instar larva of Lyonetia ledi on Rhododendron ferrugineum (Switzerland, Graubünden, Ardez).
Figures 2- 3 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figures 2- 3 Lyonetia ledi adults resting on leaves of Rhododendron ferrugineum (Switzerland, Graubünden, Ardez).
Figure 1 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figure 1 COI Neighbor-Joining tree of species in the studied Lyonetia. Note: the scale bar only applies to internal branches between species. Width of triangles represent sample size, depth the genetic variation within the cluster.
Figures 4- 5 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figures 4- 5 Leaf-mines of Lyonetia ledi on Rhododendron ferrugineum (Switzerland, Graubünden, Ardez).
Figures 7- 8 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figures 7- 8 Characteristic cocoon with final instar larva and pupa of Lyonetia ledi on Rhododendron ferrugineum (Switzerland, Graubünden, Ardez).
Stable persistence of relict populations involved evolutionary shifts of reproductive characters in the genus Tanakaea (Saxifragaceae)
<p class="MsoNormal"><span>Tertiary relicts often show evolutionary stasis in morphology and ecology and have been hypothesised to retain stable population sizes in refugia. However, recent studies have reported that some relicts evolutionarily shifted their physiology, ecology, and morphology and experienced various patterns of demography. To understand the historical survival of relict plants, a multidimensional study investigating the evolution of ecological and morphological traits as well as population demographic history is needed. The g</span><span>enus </span><span><span><em>Tanakaea </em></span></span><span>(Saxifragaceae) comprises two species in China and Japan. These species share most vegetative characteristics and are sometimes treated as a single species. The distribution pattern is relictual, as the populations are confined to small areas in mesic warm temperate forests less influenced by Quaternary glacial climates.</span><span> Focusing on the relictual plant group, this study tested the hypotheses of evolutionary stasis and population stability in long-term refugia. </span><span>Genetic analyses using</span><span><span> </span></span><span>plastome sequences and genome-wide single nucleotide polymorphisms revealed divergence of the two species approximately 6.8 million years ago and strong genetic differentiation of the regional populations. Demographic analysis revealed that almost all populations retained stable population sizes during glacial-interglacial climate changes, supporting the traditional view. However, morphological assessments revealed a simultaneous shift in breeding systems (from </span><span>hermaphrodite</span> <span>to dioecy/non-clonal to clonal reproduction) in Japanese species and intraspecific differentiation of leaf traits. Therefore, the relict species do not show evolutionary stasis in every aspect. Changes in reproductive characteristics may have contributed to their long-term</span><span><span> <em>in situ</em> </span></span><span>survival.</span></p>
Fig. 1 in New records of Austropotamobius pallipes (Decapoda: Astacidae) relict populations from the Ticino River
Fig. 1 - Adult of white-clawed crayfish found in this study. / Adulto di gambero di fiume osservato nel corso della presente indagine (Photo/foto: Milo Manica).
Stable persistence of relict populations involved evolutionary shifts of reproductive characters in the genus Tanakaea (Saxifragaceae)
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Figure 9 from: Huemer P, Schmid J (2021) Relict populations of Lyonetia ledi Wocke, 1859 (Lepidoptera, Lyonetiidae) from the Alps indicate postglacial host-plant shift to the famous Alpenrose (Rhododendron ferrugineum L.). Alpine Entomology 5: 101-106. https://doi.org/10.3897/alpento.5.76930
Figure 9 Habitat of Lyonetia ledi in Engadine/Switzerland with Rhododendron ferrugineum.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.