2 research outputs found
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A multi-taxon analysis of European Red Lists reveals major threats to biodiversity.
Acknowledgements: The European Red List assessments have been compiled by numerous species experts, many of whom are affiliated with the IUCN Species Survival Commission and are listed as co-authors of the assessments on the IUCN Red List of Threatened Species. The views expressed in this publication do not necessarily reflect those of IUCN or those of the EC. The designation of geographical entities in this paper, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of IUCN or the EC concerning the legal status of any country, territory, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.Funder: European Commission; funder-id: http://dx.doi.org/10.13039/501100000780Funder: National Parks and Wildlife Service; funder-id: http://dx.doi.org/10.13039/100012733Funder: Republic of IrelandFunder: Ministry of Economic Affairs; funder-id: http://dx.doi.org/10.13039/501100004725Funder: Department of Nature & Biodiversity (Ministerie van Economische Zaken, Directie Natuur & Biodiversiteit), the NetherlandsFunder: Council of EuropeFunder: Office fédéral de l’environnement, SwitzerlandFunder: Swedish Environmental Protection Agency (Naturvardsverket), SwedenFunder: British Entomological Society, United KingdomFunder: Ministry of Sustainable Development and Infrastructure, Government of the Grand-Duché of LuxembourgFunder: Ministry of the Environment of the Czech RepublicFunder: ArtDatabanken from the Swedish University of Agricultural SciencesBiodiversity loss is a major global challenge and minimizing extinction rates is the goal of several multilateral environmental agreements. Policy decisions require comprehensive, spatially explicit information on species' distributions and threats. We present an analysis of the conservation status of 14,669 European terrestrial, freshwater and marine species (ca. 10% of the continental fauna and flora), including all vertebrates and selected groups of invertebrates and plants. Our results reveal that 19% of European species are threatened with extinction, with higher extinction risks for plants (27%) and invertebrates (24%) compared to vertebrates (18%). These numbers exceed recent IPBES (Intergovernmental Platform on Biodiversity and Ecosystem Services) assumptions of extinction risk. Changes in agricultural practices and associated habitat loss, overharvesting, pollution and development are major threats to biodiversity. Maintaining and restoring sustainable land and water use practices is crucial to minimize future biodiversity declines
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Phylogenomics and the rise of the angiosperms.
Angiosperms are the cornerstone of most terrestrial ecosystems and human livelihoods1,2. A robust understanding of angiosperm evolution is required to explain their rise to ecological dominance. So far, the angiosperm tree of life has been determined primarily by means of analyses of the plastid genome3,4. Many studies have drawn on this foundational work, such as classification and first insights into angiosperm diversification since their Mesozoic origins5-7. However, the limited and biased sampling of both taxa and genomes undermines confidence in the tree and its implications. Here, we build the tree of life for almost 8,000 (about 60%) angiosperm genera using a standardized set of 353 nuclear genes8. This 15-fold increase in genus-level sampling relative to comparable nuclear studies9 provides a critical test of earlier results and brings notable change to key groups, especially in rosids, while substantiating many previously predicted relationships. Scaling this tree to time using 200 fossils, we discovered that early angiosperm evolution was characterized by high gene tree conflict and explosive diversification, giving rise to more than 80% of extant angiosperm orders. Steady diversification ensued through the remaining Mesozoic Era until rates resurged in the Cenozoic Era, concurrent with decreasing global temperatures and tightly linked with gene tree conflict. Taken together, our extensive sampling combined with advanced phylogenomic methods shows the deep history and full complexity in the evolution of a megadiverse clade