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853 results for “evolutionary history”
Fig. 1. Weighted 50 in Reconstruction of Evolutionary History of Pleurostomatid Ciliates (Ciliophora, Litostomatea, Haptoria): Interplay of Morphology and Molecules
Fig. 1. Weighted 50% majority-rule consensus tree (length = 66, consistency index = 0.83, retention index = 0.93) inferred from 30 characters of 26 haptorian taxa. Tree was computed with the maximum parsimony algorithm using PAUP*. Nodal supports are indicated as follows: % of occurrence in the 1185 equally most parsimonious trees / bootstrap values in % for maximum parsimony / posterior probabilities for the Bayesian inference. A dash indicates support below 50% in the maximum parsimony analyses or 0.50 for the Bayesian inference.
Fig. 4 in Reconstruction of Evolutionary History of Pleurostomatid Ciliates (Ciliophora, Litostomatea, Haptoria): Interplay of Morphology and Molecules
Fig. 4. Phylogenetic network based on 1462 nucleotide characters from 26 haptorian taxa. The split graph was constructed using the neighbornet algorithm and the uncorrected distances. Numbers along edges are bootstrap values coming from 1000 replicates. Values <50% are not shown. The scale bar indicates one substitution per one hundred nucleotide positions.
Data and scripts for the colour analysis from: Gene flow throughout the evolutionary history of a colour polymorphic and generalist clownfish
<p>Even seemingly homogeneous on the surface, the oceans display high environmental heterogeneity across space and time. Indeed, different soft barriers structure the marine environment, which offers an appealing opportunity to study various evolutionary processes such as population differentiation and speciation. Here, we focus on <em>Amphiprion clarkii </em>(Actinopterygii; Perciformes), the most widespread of clownfishes that exhibits the highest colour polymorphism. Clownfishes can only disperse during a short pelagic larval phase before their sedentary adult lifestyle, which might limit connectivity among populations, thus facilitating speciation events. Consequently, the taxonomic status of <em>A. clarkii</em> has been under debate. We used whole-genome resequencing data of 67 <em>A. clarkii</em> specimens spread across the Indian and Pacific Oceans to characterise the species' population structure, demographic history, and colour polymorphism. We found that <em>A. clarkii</em> spread from the Indo-Pacific Ocean to the Pacific and Indian Oceans following a stepping-stone dispersal and that gene flow was pervasive throughout its demographic history. Interestingly, colour patterns differed noticeably among the Indonesian populations and the two populations at the extreme of the sampling distribution (i.e. Maldives and New Caledonia), which exhibited more comparable colour patterns despite their geographic and genetic distances. Our study emphasises how whole-genome studies can uncover the intricate evolutionary past of wide-ranging species with diverse phenotypes, shedding light on the complex nature of the species concept paradigm.</p>
Data from: Phylogenomic insights into the relationship and the evolutionary history of planthoppers (Insecta: Hemiptera: Fulgoromorpha)
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A new molecular phylogeny of salps (Tunicata: Thalicea: Salpida) and the evolutionary history of their colonial architecture
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Variation in personality shaped by evolutionary history, genotype, and developmental plasticity in response to feeding modalities in the Arctic charr
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Data from: Evolutionary and demographic history of the Californian scrub white oak species complex: an integrative approach
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Distinguishing cophylogenetic signal from phylogenetic congruence clarifies the interplay between evolutionary history and species interactions
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UCE phylogenomics illuminate the evolutionary history and biogeography of Dorymyrmex pyramid ants
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The evolutionary history and mechanistic basis of female ornamentation in a tropical songbird
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Hybridization and polyploidy shaped the evolutionary history of a complex of cryptic species in European woodrushes (<em>Luzula</em> sect. <em>Luzula</em>)
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Taxon-specific or universal? Using target capture to study the evolutionary history of a rapid radiation
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Data from: Rtapas: An R package to assess cophylogenetic signal between two evolutionary histories
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Museum ‘dark data’ show variable impacts on deep-time biogeographic and evolutionary history
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Population demographic history and evolutionary rescue: Influence of a bottleneck event
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Data and scripts for the colour analysis from: Gene flow throughout the evolutionary history of a colour polymorphic and generalist clownfish
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The MUC19 Gene: An Evolutionary History of Recurrent Introgression and Natural Selection
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The evolutionary loss of paternal care is associated with shifts in female life history traits
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Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversity
Ecological models predict that the effects of mammalian herbivore exclusion on plant diversity depend on resource availability and plant exposure to ungulate grazing over evolutionary time. Using an experiment replicated in 57 grasslands on six continents, with contrasting evolutionary history of grazing, we tested how resources (mean annual precipitation and soil nutrients) determine herbivore exclusion effects on plant diversity, richness, and evenness. Here we show that at sites with a long history of ungulate grazing, herbivore exclusion reduced plant diversity by reducing both richness and evenness, and the responses of richness and diversity to herbivore exclusion decreased with mean annual precipitation. At short with a short history of grazing, the effects of herbivore exclusion were not related to precipitation but differed for native and exotic plant richness. Thus, plant species’ evolutionary history of grazing continues to shape the response of the world’s grasslands to changing mammalian herbivory.
Environmental, molecular, and life history data associated with ecological and evolutionary nematode responses to soil phosphorus availability, McMurdo Dry Valleys, Antarctica
Elemental stoichiometry is a useful theoretical framework for understanding the sources and controls on nutrient availability that can structure the composition, diversity, and life history of biotic communities. One such relationship, as postulated by the growth rate hypothesis (GRH), is that organismal development rate is positively linked to cellular phosphorus (P). To test the GRH as part of the McMurdo Dry Valleys Long Term Ecological Research (LTER) program, we examined the effects of phosphorus (P) availability both in situ and in vitro, on the evolution of growth and development of free-living soil nematodes (primarily Plectus murrayi) that occur in the McMurdo Dry Valleys of Antarctica. During the 2008-2009 austral summer, we collected soils from two glacial till sequences, the Ross Sea till and Taylor II till, occurring in the Lake Fryxell and Lake Bonney basins, respectively, of Taylor Valley. Through a variety of subsequent analyses, we generated the environmental, molecular, and life history trait data contained herein. In addition, this package contains body size and biomass data for nematodes isolated from soil samples collected during the 1999-2000 and 2004-2005 austral summers.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.