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Dataset results
217 results for “ecological association”
Ecological factors at fine spatial scale associated with habitat use by tigers in western Terai Arc landscape, Nepal
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Data from: Buchnera has changed flatmate but the repeated replacement of co-obligate symbionts is not associated with the ecological expansions of their aphid hosts
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Data from: Ecological inferences from a deep screening of the Complex Bacterial Consortia associated with the coral, Porites astreoides
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Data from: Ecological speciation in anemone-associated snapping shrimps (Alpheus armatus species complex)
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Data from: The association between morphological and ecological characters across a global passerine radiation
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Data from: Selection and genomic differentiation during ecological speciation: isolating the contributions of host association via a comparative genome scan of Neochlamisus bebbianae leaf beetles
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Genome reduction is associated with bacterial pathogenicity across different scales of temporal and ecological divergence - between species core gene alignments
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Data from: Borrelia burgdorferi sensu lato spirochetes in wild birds in northwestern California: associations with ecological factors, bird behavior and tick infestation
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Data from: Ecological factors and morphological traits are associated with repeated genomic differentiation between lake and stream stickleback
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Is phylogeographic congruence predicted by historical habitat stability, or ecological co-associations?
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Data from: Spatiotemporal variability in the structure of seagrass meadows and associated macrofaunal assemblages in southwest England (UK): using citizen science to benchmark ecological pattern
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Data from: Ecological divergence among colour morphs mediated by changes in spatial network structure associated with disturbance
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Data from: Ecological and spatial patterns associated with diversification of the shrub genus Tetraglochin along Southern-Central Andes (Rosaceae)
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Data from: Ecological co-associations influence species’ responses to past climatic change: an example from a Sonoran Desert bark beetle
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Data from: Rapid diversification associated with ecological specialization in Neotropical Adelpha butterflies
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Data from: Association of rule of law and health outcomes: an ecological study
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Constructing a social-behavioral association network to study management impact on waterbird community ecology using digital video recording cameras
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Files associated with: Species’ attributes predict the relative magnitude of ecological and genetic recovery following mass mortality
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Data from: A high frequency of allopolyploid speciation in the gymnospermous genus Ephedra and its possible association with some biological and ecological features
The origin and evolution of polyploids have been studied extensively in angiosperms and ferns but very rarely in gymnosperms. With the exception of three species of conifers, all natural polyploid species of gymnosperms belong to Ephedra, in which more than half of the species show polyploid cytotypes. Here we investigate the origin and evolution of polyploids of Ephedra distributed in the Qinghai-Tibetan Plateau (QTP) and neighboring areas. Flow cytometry (FCM) was used to measure the ploidy levels of the sampled species that are represented by multiple individuals from different populations, and then two single-copy nuclear genes (LFY and DDB2) and two chloroplast DNA fragments were used to unravel the possible origins and maternal donors of the polyploids. The results indicate that the studied polyploid species are allopolyploids, and suggest that allotetraploidy is a dominant mode of speciation in Ephedra. The high percentage of polyploids in the genus could be related to some of its biological attributes such as vegetative propagation, a relatively high rate of unreduced gamete formation, and a small genome size relative to most other gymnosperms. Significant ecological divergences between allotetraploids and their putative progenitors were detected by PCA analyses and ANOVA and Tukey's tests, with the exception of E. saxatilis. The overlap of geographical distributions and ecological niches of some diploid species could have provided opportunities for interspecific hybridization and allopolyploid speciation.
Data from: Oral contraceptive use is associated with prostate cancer: an ecologic study
INTRODUCTION: Recently there have been several studies suggesting that estrogen exposure may increase the risk of prostate cancer (PCa). In this report we examine associations between PCa incidence and mortality and population-based use of oral contraceptives (OC's). We hypothesized that OC's by-products may cause an environmental contamination leading to an increased low level estrogen exposure and therefore higher PCa incidence and mortality. METHODS: The hypothesis was studied in an ecologic study. We used data from the "international agency for research on cancer" (IACR) to retrieve age-standardized rates of prostate cancer in 2007 and the "United Nations 2007 use of contraceptive report" to retrieve data on contraceptive use. We subsequently used a Pearson correlation and a multivariable linear regression to associate the percentage of women using OC's, intrauterine devices, condoms or vaginal barriers to the age standardized prostate cancer incidence and mortality. We performed these analyses by individual nation and by continent worldwide. RESULTS: OC's use was significantly associated with prostate cancer incidence and mortality in the individual nation world wide (r=0.61 and r=0.53, respectively p<0.05 for all). PCa incidence was also associated with OC's use in Europe (r=0.545 p<0.05) and by continent (r=0.522 p<0.05). All other forms of contraceptives (i.e. intra-uterine devices, condoms or vaginal barriers) were not correlated with prostate cancer incidence or mortality. On multivariable analysis the correlation with OC was independent of nation's wealth. CONCLUSION: In this hypothesis generating ecologic study we have demonstrated a significant association between OC's and PCa. We hypothesize that oral contraceptive effect may be mediated through environmental estrogen levels; this novel concept is worth further investigation.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.