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      Digitization and the Future of Natural History Collections

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          Abstract

          Natural history collections (NHCs) are the foundation of historical baselines for assessing anthropogenic impacts on biodiversity. Along these lines, the online mobilization of specimens via digitization—the conversion of specimen data into accessible digital content—has greatly expanded the use of NHC collections across a diversity of disciplines. We broaden the current vision of digitization (Digitization 1.0)—whereby specimens are digitized within NHCs—to include new approaches that rely on digitized products rather than the physical specimen (Digitization 2.0). Digitization 2.0 builds on the data, workflows, and infrastructure produced by Digitization 1.0 to create digital-only workflows that facilitate digitization, curation, and data links, thus returning value to physical specimens by creating new layers of annotation, empowering a global community, and developing automated approaches to advance biodiversity discovery and conservation. These efforts will transform large-scale biodiversity assessments to address fundamental questions including those pertaining to critical issues of global change.

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          Most cited references53

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          The Value of Museum Collections for Research and Society

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            Spatial bias in the GBIF database and its effect on modeling species' geographic distributions

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              Mega-evolutionary dynamics of the adaptive radiation of birds

              The origin and expansion of biological diversity is regulated by both developmental trajectories1,2 and limits on available ecological niches3–7. As lineages diversify an early, often rapid, phase of species and trait proliferation gives way to evolutionary slowdowns as new species pack into ever more densely occupied regions of ecological niche space6,8. Small clades such as Darwin’s finches demonstrate that natural selection is the driving force of adaptive radiations, but how microevolutionary processes scale up to shape the expansion of phenotypic diversity over much longer evolutionary timescales is unclear9. Here we address this problem on a global scale by analysing a novel crowd-sourced dataset of 3D-scanned bill morphology from >2000 species. We find that bill diversity expanded early in extant avian evolutionary history before transitioning to a phase dominated by morphospace packing. However, this early phenotypic diversification is decoupled from temporal variation in evolutionary rate: rates of bill evolution vary among lineages but are comparatively stable through time. We find that rare but major discontinuities in phenotype emerge from rapid increases in rate along single branches, sometimes leading to depauperate clades with unusual bill morphologies. Despite these jumps between groups, the major axes of within-group bill shape evolution are remarkably consistent across birds. We reveal that macroevolutionary processes underlying global-scale adaptive radiations support Darwinian9 and Simpsonian4 ideas of microevolution within adaptive zones and accelerated evolution between distinct adaptive peaks.
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                Author and article information

                Journal
                BioScience
                Oxford University Press (OUP)
                0006-3568
                1525-3244
                March 2020
                March 01 2020
                February 07 2020
                March 2020
                March 01 2020
                February 07 2020
                : 70
                : 3
                : 243-251
                Affiliations
                [1 ]Department of Cell Biology and Anatomy, Louisiana State University Health Sciences Center, New Orleans, Louisiana
                [2 ]Department of Organismal and Evolutionary Biology, Harvard University, Cambridge, Massachusetts
                [3 ]Section of Botany, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania
                [4 ]Harvard University Herbaria, Harvard University, Cambridge, Massachusetts
                [5 ]Department of Biological Sciences, Idaho State University, Pocatello
                [6 ]Jackson School of Geosciences, University of Texas at Austin, Austin, Texas
                [7 ]Department of Biology, University of New Mexico, Albuquerque
                [8 ]Florida Museum of Natural History, University of Florida, Gainesville
                Article
                10.1093/biosci/biz163
                ba910336-78ef-4fe0-820d-ac32e5d811c7
                © 2020

                https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model

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