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727 results for “phylogenetic diversity”
FIGURE 11 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 11. Details of Apticoccus longitenuis, n. sp. (A) Dorsal view of head and thorax. (B) Antenna. (C) Leg. (D) Ventral view of penial sheath.
FIGURE 12 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 12. Photomicrographs of (A) dorsal and (B) ventral surfaces of Xiphos vani, n. sp., holotype 1215. (C) Dorsal surface of Alacrena peculiaris, n. sp., holotype AMNH Bu-1516.
FIGURE 8. Pityococcus moniliformalis, n in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 8. Pityococcus moniliformalis, n. sp., holotype AMNH Ba-Ve762. Photomicrographs of (A) Dorsal and (B) ventral surfaces. Details of (C) dorsal and (D) ventral views of head. (E) Dorsal view of mesothorax. (F) Basisternum. (G) Antenna. (H) Leg. (I) Ventral view of penial sheath.
FIGURE 6 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 6. Details of Heteromargarodes hukamsinghi, n. sp. (A) Ventral view of head. (B) Antenna, (C) Fore leg. (D) Hind leg. (E) Ventral side of penial sheath.
FIGURE 5 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 5. Photomicrographs of Heteromargarodes hukamsinghi, n. sp., holotype Tad-139. (A, B). (A) Full ventral view. (B) Enlarged ventral view of head and thorax. Hodgsonicoccus patefactus, n. sp., holotype AMNH LAE-93 (C–F). (C) Lateral side. (D) Antennae. (E) Head and thorax from lateral side. (F) Lateral side of penial sheath.
FIGURE 3 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 3. Details of Kozarius perpetuus, n. sp. (A) Dorsal head. (B) Ventral view of head. (C) Dorsal view of mesothorax. (D) Basisternum. (E) Antenna. (F) Leg. (G) Side view of penial sheath.
FIGURE 1 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 1. Photomicrographs of (A) Dorsal view of Pseudoweitschatus audebertis, n. sp., holotype AMNH Bu-1416. (B) Ventral view of Kozarius perpetuus, n. sp., holotype AMNH Bu-1163. (C) Ventral view of K. achronus, n. sp., holotype AMNH Bu-233a.
FIGURE 2 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 2. Details of Pseudoweitschatus audebertis, n. sp. (A) Dorsal view of head. (B) Ventral view of head. (C) Antenna. (D) Leg. (E) Hamulohaltere. (G) Ventral view of penial sheath.
Figure 4 in Genetic diversity, phylogenetic and phylogeographic analyses of Oncideres impluviata (Germar, 1823) (Coleoptera: Cerambycidae) in Rio Grande do Sul state, Brazil
Figure 4 Phylogenetic tree summarizing the results of Bayesian inference (BI) and Maximum likelihood (ML). Tree shows the relationships among species of Oncideres along with the haplotype network of five populations of Oncideres impluviata from Rio Grande do Sul, Brazil. A, B and C depicts clades within Oncideres impluviata. The circle areas in the haplotype network are proportional to the frequencies of each haplotype and hatch markers represent the number of differences among haplotypes.
Figure 2 in Genetic diversity, phylogenetic and phylogeographic analyses of Oncideres impluviata (Germar, 1823) (Coleoptera: Cerambycidae) in Rio Grande do Sul state, Brazil
Figure 2 Injuries caused by Oncideres impluviata to Acacia mearnsii in the State of Rio Grande do Sul, Brazil. Girdled fallen branches in a Acacia plantation in General Câmara.Red arrows show branches girdled by O. impluviata (a). Adults of O. impluviata copulating and girdling the main trunk of a young Acacia tree in Encruzilhada do Sul (b).
There and back to the present: a model-based framework to estimate phylogenetically constrained alpha diversity gradients
<p>The imprint left by niche evolution on the variation of biological diversity across spatial and environmental gradients is still debated among ecologists. Furthermore, understanding to what extent dispersal limitation may reinforce or blur such an imprint is still a gap in our ecological knowledge. In this article we introduce a simulation approach coupled to Approximate Bayesian Computation (ABC) that parameterizes both the adaptation rate of species' niche positions over the evolution of a monophyletic lineage and the intensity of dispersal limitation associated with the variation of species alpha diversity among assemblages distributed across spatial and environmental gradients. The analytical tool was implemented in the R package <em>mcfly</em>. We evaluated the statistical performance of the analytical framework using simulated datasets, which confirmed the suitability of the analysis to estimate the adaptation rate parameter but showed to be less precise in relation to the dispersal limitation parameter. Also, we found that increased dispersal limitation levels improved the parameterization of the adaptation rate of species' niche positions in simulated datasets. Further, we evaluated the role played by niche evolution and dispersal limitation on species alpha diversity variation of Phyllostomidae bats across the Neotropics. The framework proposed here sheds light on the links between niche evolution, dispersal limitation and gradients of biological diversity, and thereby improved our understanding of evolutionary imprints on current biological diversity patterns.</p>
The global loss of avian functional and phylogenetic diversity from anthropogenic extinctions
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Multiple dimensions of phylogenetic diversity are needed to explain the complex aboveground-belowground diversity relationships
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Data from: Differential patterns of floristic phylogenetic diversity across a post‐glacial landscape
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Data and code from: Mechanisms of community assembly through the lens of phylogenetic diversity: A critical reappraisal
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Data from: Mycorrhizal symbiosis increases plant phylogenetic diversity and regulate community assembly
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There and back to the present: a model-based framework to estimate phylogenetically constrained alpha diversity gradients
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Community level phylogenetic diversity does not differ between rare and common lineages across tallgrass prairies in northern Great Plains
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Baltimore Ecosystem Study: Loss of Phylogenetic Diversity under Landscape Change
Habitat alteration and destruction are a primary driver of biodiversity loss. There is a plethora of research documenting similarly strong patterns of decline across ecosystem types and spatial scales. However, evolutionary dimensions remain largely unexplored in many systems. For example, little is known about how habitat alteration/loss can lead to phylogenetic deconstruction of ecological assemblages at the local level. That is, while species loss is evident, are some lineages favored over others? Using a long-term dataset of a globally, ecologically important guild of invertebrate consumers, stream leaf “shredders,” we created a phylogenetic tree of the taxa in the regional species pool, calculated mean phylogenetic distinctiveness for > 1000 communities spanning > 10 y period, and related species richness, phylogenetic diversity and distinctiveness to watershed-scale impervious cover. Using a combination of changepoint and compositional analyses, we learned that increasing impervious cover produced marked reductions in all three measures of diversity, and in particular, aid in understanding both phylogenetic diversity and average assemblage phylogenetic distinctiveness. Our findings suggest that, not only are species lost when there is an increase in watershed urbanization, as other studies have demonstrated, but that those lost are members of more distinct lineages relative to the community as a whole.
Replication code and data for: "Machine Learning Predicts Large Scale Declines in Native Plant Phylogenetic Diversity."
<p>Replication code and data for the paper: "Machine Learning Predicts Large Scale Declines in Native Plant Phylogenetic Diversity." The following files are included in this repository:</p> <p>1) R scripts (numbered 0 through 9) include replication code for data analysis</p> <p>2) Datasets (6 zip folders) contain the data analyzed in the R scripts</p> <p> </p> <p> </p>
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.