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332 results for “Ecological niches”
Data from: PaleoENM: applying ecological niche modeling to the fossil record
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Figure 8 from: Ossowska E, Guzow-Krzemińska B, Kolanowska M, Szczepańska K, Kukwa M (2019) Morphology and secondary chemistry in species recognition of Parmelia omphalodes group – evidence from molecular data with notes on the ecological niche modelling and genetic variability of photobionts. MycoKeys 61: 39-74. https://doi.org/10.3897/mycokeys.61.38175
Figure 8 Distribution of suitable niches of P. omphalodes (A) and P. pinnatifida (B) in America.
Data from: The role of recombination, niche-specific gene pools and flexible genomes in the ecological speciation of bacteria
Bacteria diversify into genetic clusters analogous to those observed in sexual eukaryotes, but the definition of bacterial species is an ongoing problem. Recent work has focused on adaptation to distinct ecological niches as the main driver of clustering, but there remains debate about the role of recombination in that process. One view is that homologous recombination occurs too rarely for gene flow to constrain divergent selection. Another view is that homologous recombination is frequent enough in many bacterial populations that barriers to gene flow are needed to permit divergence. Niche‐specific gene pools have been proposed as a general mechanism to limit gene flow. We use theoretical models to evaluate additional hypotheses that evolving genetic architecture, specifically the effect sizes of genes and gene gain and loss, can limit gene flow between diverging populations. Our model predicts that (a) in the presence of gene flow and recombination, ecological divergence is concentrated in few loci of large effect and (b) high rates of gene flow plus recombination promote gene loss and favor the evolution of niche‐specific genes. The results show that changing genetic architecture and gene loss can facilitate ecological divergence, even without niche‐specific gene pools. We discuss these results in the context of recent studies of sympatric divergence in microbes.
Figure 6 in Analysis of the spatial organization of Vallonia pulchella (Muller, 1774) ecological niche in Technosols (Nikopol manganese ore basin, Ukraine)
Figure 6. Results of ENFA-mapping of Vallonia pulchella ecological niche.
Data from: Mutualistic mimicry enhances species diversification through spatial segregation and extension of the ecological niche space
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Data from: The role of recombination, niche-specific gene pools and flexible genomes in the ecological speciation of bacteria
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Fig. 5 a,b Ecological niche models obtained for S. caeruleus populations. a Chihuahuan Desert, b in Molecular evidence for the origin and evolutionary history of the rare American desert monotypic family Setchellanthaceae
Fig. 5 a,b Ecological niche models obtained for S. caeruleus populations. a Chihuahuan Desert, b Tehuacán-Cuicatlán Valley
Fig. 4 in Not the same: phylogenetic relationships and ecological niche comparisons between two different forms of Aglaoctenus lagotis from Argentina and Uruguay
Fig. 4 Statistical parsimony network of tif5A alleles of A. lagotis. Colors of the pie plots correspond to the identifications of the individuals as in Figs. 1 and 2. The asterisks denote alleles that were present
Fig. 3 in Not the same: phylogenetic relationships and ecological niche comparisons between two different forms of Aglaoctenus lagotis from Argentina and Uruguay
Fig. 3 Maximum likelihood (ML) concatenated mitochondrial gene tree of A. lagotis. Bars on branches denote clade support from ML (left) and Bayesian Inference (right). Black bar indicates clade supported by ML bootstrap (> 70%) and Bayesian posterior probabilities (pp> 0.95), and gray bar indicates clade recovered but with support below the threshold values. The main mitochondrial lineages colors
FIGURES 10–14. Male DFW androconia. 10 in Two new Thereus species from Peru, with notes on ecological niche partitioning (Lepidoptera: Lycaenidae: Theclinae)
FIGURES 10–14. Male DFW androconia. 10. Thereus tierralinda sp. nov. 11. T. illex. 12. T. columbicola. 13. T. eryssus. 14. T. vicens sp. nov.
Ecological niche models for British Columbia's rare species (Red-, Blue-, and SARA-listed) -- Climate normal and future (2050s & 2080s) distributions
<p>Maps of Maxent ecological niche models for Red-listed, Blue-listed and SARA Schedule 1 species in British Columbia. Models were calibrated for species' ranges across Turtle Island under climate normal conditions (1961-1990) and projected into future periods (2050s and 2080s) based on an ensemble of GCMs under SSP 2-4.5.</p>
Ecological niche models for focal SARA-listed species in British Columbia
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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)
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.