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115
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115 results for “sympatry”
Reinforcement in the banded darter Etheostoma zonale: the effect of sex and sympatry on preferences
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Widespread sympatry in a species-rich clade of marine fishes (Carangoidei)
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Data from: Introgression between divergent corn borer species in a region of sympatry: implications on the evolution and adaptation of pest arthropods
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Data from: Sympatry and interference of divergent Microbotryum pathogen species.
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An experimental test of the evolutionary consequences of sympatry in Drosophila subquinaria
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Pythons in the Eocene of Europe reveal a much older divergence of the group in sympatry with boas
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Data from: Movement diversity and partial sympatry of coastal and Northeast Arctic cod ecotypes at high latitudes
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Data from: Interspecific aggression in sympatry between congeneric tropical birds
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Data from: Sympatry and parapatry among rocky reef cichlids of Lake Victoria explained by female mating preferences
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Data from: Extensive sympatry and frequent hybridization of ecologically divergent aquatic plants on the Qinghai-Tibetan Plateau
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Data from: Poison frog color morphs express assortative mate preferences in allopatry but not sympatry
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Local adaptation from afar: migratory bird populations diverge in the initiation of reproductive timing while wintering in sympatry
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Data from: Shifts to earlier selfing in sympatry may reduce costs of pollinator sharing
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Data from: Ecomorphological and phylogenetic controls on sympatry across extant bats
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Morphological measurements of two host specialists of the dipteran Tephritis conura, both in sympatry and allopatry
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Calanus InDel genotypes from: No evidence for hybridization between Calanus finmarchicus and C. glacialis in a subarctic area of sympatry
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Sympatry drives colour and song divergence in wood-warblers (Parulidae)
<p>Closely related species often exhibit similarities in appearance and behaviour, yet when related species exist in sympatry, signals may diverge to enhance species recognition. Prior comparative studies provided mixed support for this hypothesis, but the relationship between sympatry and signal divergence is likely non-linear. Constraints on signal diversity may limit signal divergence, especially when large numbers of species are sympatric. We tested the effect of sympatric overlap on plumage colour and song divergence in wood-warblers (Parulidae), a speciose group with diverse visual and vocal signals. We also tested how number of sympatric species influences signal divergence. Allopatric species pairs had overall greater plumage and song divergence compared to sympatric species pairs. However, among sympatric species pairs, plumage divergence positively related to degree of sympatric overlap in males and females, while male song bandwidth and syllable rate divergence negatively related to sympatric overlap. In addition, as the number of species in sympatry increased, average signal divergence among sympatric species decreased, which likely due to constraints on warbler perceptual space and signal diversity. Our findings reveal that sympatry influences signal evolution in warblers, though not always as predicted, and that number of sympatric species can limit sympatry's influence on signal evolution.</p>
Figure 2 in Pythons in the Eocene of Europe reveal a much older divergence of the group in sympatry with boas
Figure 2. (a) Phylogenetic relationships of Messelopython freyi gen. et sp. nov. Support values for nodes are Jackknife/Bremer, values of 100% (Jackknife) or greater than 20 (Bremer) are indicated with an asterisk. (b) Palaeogeographic map of continental distributions at 48 Mya based on Gplates model [38] with location (palaeocoordinates for 48 Mya) of Palaeogene records of the total clades of Boidae, Loxocemidae and Pythonidae. Large arrows indicate hypothesized dispersal directions for the total clade of Pythonidae.
Figure 1 in Pythons in the Eocene of Europe reveal a much older divergence of the group in sympatry with boas
Figure 1. Hypodigm of Messelopython freyi gen. et sp. nov. (a) and (b) Photograph and drawing of skull of holotype, SMNK-PAL 461a. (c) Photograph of holotype. (d) and (e) Photograph and drawing of skull of paratype, SMF-ME 2784a. (f) Drawing of left splenial and angular in medial view in counterpart of paratype. (g) Drawing of right ectopterygoid in dorsal view in main part of paratype. (h) and (i) Photograph and drawing of skull of paratype, HLMD-Be 165. Abbreviations: an, angular; boc, basioccipital; bpt-pr, basipterygoid process; bs, basisphenoid; d, dentary; ec, ectopterygoid; fr, frontal; mx, maxilla; n, nasal; ot, otooccipital; pa, parietal; par, prearticular part of compound bone; pl, palatine; pf, postfrontal; prf, prefrontal; pro, prootic; pt, pterygoid; q, quadrate; sa, surangular part of compound bone; smx, septomaxilla; so, supraorbital; soc, supraoccipital; spl, splenial; st, supratemporal.
Data from: The genetic architecture of local adaptation and reproductive isolation in sympatry within the Mimulus guttatus species complex
The genetic architecture of local adaptation has been of central interest to evolutionary biologists since the modern synthesis. In addition to classic theory on the effect size of adaptive mutations by Fisher, Kimura and Orr, recent theory addresses the genetic architecture of local adaptation in the face of ongoing gene flow. This theory predicts that with substantial gene flow between populations local adaptation should proceed primarily through mutations of large effect or tightly linked clusters of smaller effect loci. In this study, we investigate the genetic architecture of divergence in flowering time, mating system-related traits, and leaf shape between Mimulus laciniatus and a sympatric population of its close relative M. guttatus. These three traits are probably involved in M. laciniatus' adaptation to a dry, exposed granite outcrop environment. Flowering time and mating system differences are also reproductive isolating barriers making them 'magic traits'. Phenotypic hybrids in this population provide evidence of recent gene flow. Using next-generation sequencing, we generate dense SNP markers across the genome and map quantitative trait loci (QTLs) involved in flowering time, flower size and leaf shape. We find that interspecific divergence in all three traits is due to few QTL of large effect including a highly pleiotropic QTL on chromosome 8. This QTL region contains the pleiotropic candidate gene TCP4 and is involved in ecologically important phenotypes in other Mimulus species. Our results are consistent with theory, indicating that local adaptation and reproductive isolation with gene flow should be due to few loci with large and pleiotropic effects.
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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
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.