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51 results for “Frugivory”
Data from: Moving from frugivory to seed dispersal: incorporating the functional outcomes of interactions in plant-frugivore networks
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Molecular adaptation and convergent evolution of frugivory in Old World and New World fruit bats
<p>Repeated adaptations to the same dietary niche in different lineages are a hallmark in mammalian ecology. Molecular evolutionary analysis is powerful to dissect the evolutionary history of dietary adaptations based on the knowledge of gene functions. Here we used genome-wide analyses of molecular evolution to examine two lineages of bats that have independently evolved obligate frugivory: the Old World family Pteropodidae and the New World subfamily Stenodermatinae, although ancestral bats were insectivorous. We report novel genome sequences of two New World fruit bats (<i>Artibeus jamaicensis</i> and <i>Sturnira hondurensis</i>), which together provide a framework for comparisons with Old World fruit bats. Comparative genomics of 10 bat species, which have diverse diets across their phylogeny, revealed a number of convergent molecular signatures underlying evolutionary adaptations to obligate frugivory. We identified three subfamilies of olfactory receptor genes, losses of three bitter taste receptor genes, losses of two digestive enzyme genes, and convergent amino acid substitutions in several metabolic genes that are specifically linked to frugivory. This study provides an excellent model to explore molecular adaptations contributing to convergent evolution of obligate frugivory, and will facilitate future studies of ecological adaptations in mammals.</p>
Data from: Spatially-explicit avian frugivory, fruit availability, and seed rain in a latitudinal gradient of the Americas
<p>Network metrics are widely used to infer the roles of mutualistic animals in plant communities and to predict the effect of species' loss. However, their empirical validation is scarce. Here we parameterized a joint species model of frugivory and seed dispersal with bird movement and foraging data from tropical and temperate communities. With this model we investigate the effect of frugivore loss on seed rain, and compare our predictions to those of standard coextinction models and network metrics. Topological coextinction models underestimated species loss after the removal of highly-linked frugivores with unique foraging behaviors. Network metrics informed about changes in seed rain quantity after frugivore loss. However, changes in seed rain composition were only predicted by partner diversity. Nestedness, closeness, and d' specialization could not anticipate the effects of rearrangements in plant-frugivore communities following species loss. Accounting for behavioral differences among mutualists is critical to improve predictions from network models.</p>
Figure 1 from: Kissling WD (2017) Has frugivory influenced the macroecology and diversification of a tropical keystone plant family? Research Ideas and Outcomes 3: e14944. https://doi.org/10.3897/rio.3.e14944
Figure 1 - Global functional trait distributions of palms (n = 2469) and frugivorous consumers (n = 3835, incl. birds and mammals), showing large-scale co-variation between (a) palm fruit size (length in cm) and (b) consumer body size (mass in kg). Symbols are plotted for the mass centroids of geographic units ('botanical countries', TDWG level 3 units) and represent mean values across all species in a given unit. Values are calculated across a total of 29,032 species-level occurrences (5,218 for palms, 23,814 for consumers).
Figure 2 from: Kissling WD (2017) Has frugivory influenced the macroecology and diversification of a tropical keystone plant family? Research Ideas and Outcomes 3: e14944. https://doi.org/10.3897/rio.3.e14944
Figure 2 - Global diversification of palms. Branches are coloured by mean diversification rates across the time-calibrated generic-level phylogeny of palms estimated using Bayesian Analysis of Macroevolutionary Mixtures (BAMM).
Figure 1 from: Scultori CS, Silva WR (2018) Does frugivory in Citharexylum solanaceum (Verbenaceae) drive nomadism in the Ipanema bat Pygoderma bilabiatum (Chiroptera, Phyllostomidae)? Zoologia 35: 1-5. https://doi.org/10.3897/zoologia.35.e20583
Figure 1 Circular histograms of the abundance variations of Pygodermabilabiatum, other frugivorous bats, and all other bats captured at the Intermontes Farm, Ribeirão Grande, São Paulo, Brazil, throughout the year. The histograms were calculated by pooling samples from different years during the entire study (17 months between May/2011 and April/2013). Columns represent the numbers of captures per month, the radial lines represent the orientation of the median angle, and the perpendicular bars represent circular variance.
Data from: Spatially-explicit avian frugivory, fruit availability, and seed rain in a latitudinal gradient of the Americas
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Data from: Where and What? Frugivory is associated with more efficient foraging in three semi-free ranging primate species
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Molecular adaptation and convergent evolution of frugivory in Old World and New World fruit bats
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Figure 3 from: Kissling WD (2017) Has frugivory influenced the macroecology and diversification of a tropical keystone plant family? Research Ideas and Outcomes 3: e14944. https://doi.org/10.3897/rio.3.e14944
Figure 3 - Overview of project timetable
Dataset on frugivory interactions among tree and animal species in Afrotropical forests
<p>We present the dataset on frugivory interactions among tree and animal species in Afrotropical forests used in the article titled “Trait-matching and sampling effort shape the structure of the frugivory network in Afrotropical forests” by Durand-Bessart C, Cordeiro N, Chapman C, Abernethy K, Forget P-M, Fontaine C and Bretagnolle F; published in NewPhytologist.</p> <p>This dataset was created by the compilation of 256 literature sources, and involved 807 tree and 285 frugivore species across Afrortropical forests. Species characteristics are also included.</p> <p> </p>
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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.