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19,493 results for “Populism”
Fig. 3 in Worldwide sampling reveals low genetic variability in populations of the freshwater ciliate Paramecium biaurelia (P. aurelia species complex, Ciliophora, Protozoa)
Fig. 3 Phylog_n_tic tr__ construct_d for Paramecium aurelia compl_x, P. jenningsi compl_x and P. schewiakoffi (two sp_ci_s: P. caudatum and P. multimicronucleatum w_r_ us_d as an outgroup). Th_ tr__ was construct_d on th_ basis of a comparison of s_qu_nc_s from th_ mitochondrial COI fragm_nt using th_ maximum lik_lihood m_thod. Bootstrap valu_s for n_ighbor joining, maximum parsimony, maximum lik_lihood, and post_rior probabiliti_s for Bay_sian inf_r_nc_ ar_
FIGURE 6 in New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation
FIGURE 6 | Land use and cover (%) in 11 different localities (Protected/Conservation Units vs. Unprotected) and periods (1985–2021) at areas (buffer 250 m) of occurrence of Notholebias minimus.
FIGURE 5 in New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation
FIGURE 5 | Unfertilized eggs ofNotholebias minimus, evidencing mushroom-like projections and polygonal grooves in the zona pellucida. Scale bar = 100 µm.
FIGURE 3 in New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation
FIGURE 3 | Temporary wetlands in the Guandu River Hydrographic Region (coastal drainages of the Sepetiba Bay, State of Rio de Janeiro, Brazil) with new occurrences of Notholebias minimus. A–B. Swamps of open vegetation in Chaperó locality, C–D. Swamps in forest fragments in the campus of the Universidade Federal Rural do Rio de Janeiro – UFRRJ, and in the Área de Proteção Ambiental das Brisas, respectively.
FIGURE 2 in New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation
FIGURE 2 | Males of Notholebias minimus captured in (A) Área de Proteção Ambiental das Brisas, Rio de Janeiro Municipality, and (B) in the campus of the Universidade Federal Rural do Rio de Janeiro – UFRRJ (Seropédica Municipality). Scale bar = 4 mm.
FIGURE 1 in New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation
FIGURE 1 | Map of occurrences of Notholebias minimus in coastal plains of the State of Rio de Janeiro, Brazil. Black triangles indicate the new records in this study. Black dots, records from previous studies (e.g., Costa, Amorim, 2013; Costa, 2016). Occurrence references (codes) are available in Tab. 2.
FIGURE 7 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 7 | Discriminant analysis of principal components (DAPC) based in six microsatellite loci of 95 individuals of Piraractus orinoquensis.
FIGURE 6 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 6 | Management units of Piaractus. In Piaractus brachypomus the color blue corresponds to the MUs of the sedimentary basin (1), the color violet represents the south shield MUs (2) and the sky-blue color represents the northern shield MUs (3). Piaractus orinoquensis is represented by a single MU indicated in orange (4).
FIGURE 3 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 3 | Haplotype genealogies of Piaractus orinoquensis. The circle size is proportional to the haplotype frequency. Each line represents a single mutation. Colors correspond to localities.
FIGURE 2 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 2 | Haplotype genealogies of Piaractus brachypomus. The circle size is proportional to the haplotype frequency. Each line represents a single mutation. Colors correspond to localities.
FIGURE 2 in Identification of cryptic species in allopatric populations of Hypostomus tietensis (Siluriformes: Loricariidae) through cytogenetics analyses
FIGURE 2 | Map of Brazil showing the Upper Paraná River basin. Red stars represent Hypostomus tietensis populations, from Tietê River basin "type locality" (in black), from Pirapó River (in green), and from Do Campo River, tributary of Ivaí River basin (in blue).
FIGURE 3 in Identification of cryptic species in allopatric populations of Hypostomus tietensis (Siluriformes: Loricariidae) through cytogenetics analyses
FIGURE 3 | Karyotypes of Hypostomus tietensis (A, B) Piraí River "type locality", (C, D) Pirapó River, and Do Campo River (E, F) with conventional Giemsa-staining (A, C, E), AgNORs (highlighted above) and 18S rDNA-FISH (highlighted below); C-banding (B, D, F). m = metacentrics; sm = submetacentrics; st = subtelocentrics; a = acrocentrics. Scale bars = 10 µm.
FIGURE 1 in Identification of cryptic species in allopatric populations of Hypostomus tietensis (Siluriformes: Loricariidae) through cytogenetics analyses
FIGURE 1 | Holotype of Hypostomus tietensis, 160 mm SL, Tiête River, São Paulo, Brazil (https://data. nhm.ac.uk/object/a9a46e32-84d2-4996-9e69-71e8a2a8aca2/1633478400000, catalog number NHMUK 1905.6.9.1).
FIGURE 1 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 1 | Map of the study area for sampling sites for Piaractus brachypomus and P. orinoquensis samples. The number inside the circle indicates the sampling location. The green circle indicates the samples that were analyzed for nDNA and the blue circle the samples analyzed with nDNA and mDNA. Orinoco basin (1. San José del Guaviare, 2. Puerto López, 3. Puerto Carreño, 4. San Fernando de Apure, 5. San Felix). Amazon basin (1. Guajará-Mirim, 2. Boca do Acre, 3. Leticia, 4. La Pedrera, 5. Cidade Japurá, 6. Parimé River, 7. Humaitá, 8. Cidade Juruá, 9. Tefé, 10. Beruri, 11. Janauacá, 12. Borba, 13. Itaituba. 14. Óbidos, 15. Santarém).
FIGURE 5 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 5 | Discriminant analysis of principal components (DAPC) based in seven microsatellite loci of 300 individuals of Piaractus brachypomus.
FIGURE 4 in Genetic comparison of populations of Piaractus brachypomus and P. orinoquensis (Characiformes: Serrasalmidae) of the Amazon and Orinoco basins
FIGURE 4 | A. Barplots created from Structure representing assignments of genotypes to each local population for Piaractus brachypomus, the blue color cluster represents individuals related to the Amazon sedimentary basin and the purple color cluster represents individuals related to the crystalline shields of the Amazon basin. B. Barplots hierarchical from crystalline shields of the Amazon basin.
FIGURE 4 in Population structuration and chromosomal features homogeneity in Parodon nasus (Characiformes: Parodontidae): A comparison between Lower and Upper Paraná River representatives
FIGURE 4 | Molecular data of Parodon nasus from La Plata basin. A. Haplotype network showing the relationship among the sequences. B. Structural population inference by BAPs (K = 2) for the four populations showing the division between Upper and Lower Paraná River systems; C. Bayesian inference tree showing the phylogenetic relationship of the sequences (numbers on the branches correspond to posterior probability; numbers in parentheses correspond to specimen voucher ID).
FIGURE 3 in Population structuration and chromosomal features homogeneity in Parodon nasus (Characiformes: Parodontidae): A comparison between Lower and Upper Paraná River representatives
FIGURE 3 | Karyotypes of the four populations of Parodon nasus submitted to fluorescence in situ hybridization using 18S rDNA (green signal) and 5S rDNA (red signal) probes. Chromosomes with signals for the pPh2004 probe were highlighted in boxes. A. Cuiabá River; B. Mogi-Guaçu River; C. Passa Cinco River; D. Paiol Grande stream. Scale bar = 10µm.
FIGURE 1 in Population structuration and chromosomal features homogeneity in Parodon nasus (Characiformes: Parodontidae): A comparison between Lower and Upper Paraná River representatives
FIGURE 1 | A. Adult specimen of Parodon nasus. B. Partial map of the South America showing the La Plata basin, the principal rivers of the basin, and the collection sites of the P. nasus species analyzed.
FIGURE 2 in Population structuration and chromosomal features homogeneity in Parodon nasus (Characiformes: Parodontidae): A comparison between Lower and Upper Paraná River representatives
FIGURE 2 | Karyotypes of the four populations of Parodon nasus submitted to the C-banding procedure. A. Cuiabá River; B. Mogi-Guaçu River; C. Passa Cinco River; D. Paiol Grande stream. Scale bar = 10µm.
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.