2,454 results match your criteria: "Natural History Museum of Denmark; Universitetsparken 15; Copenhagen; Denmark.. perkovsk@gmail.com.[Affiliation]"

An updated checklist of Azorean arthropods (Arthropoda).

Biodivers Data J

December 2022

Gabelsbergerstraße 2, 30163, Hannover, Germany Gabelsbergerstraße 2, 30163 Hannover Germany.

Background: The Azores is a remote oceanic archipelago of nine islands which belongs to the Macaronesia biogeographical region hosting a unique biodiversity. The present Azorean landscape is strongly modified by the presence of man and only in small areas, where the soil or climate was too rough, have primitive conditions remained unchanged. Despite the fact that most of the Azorean native habitats are now lost, a large number of endemic species are still present and need urgent conservation.

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A new species of the hitherto monospecific genus Attems, 1938 (Diplopoda, Spirostreptida, Odontopygidae).

Zookeys

August 2022

Naturhistorisches Museum Wien, Burgring 7, 1010 Vienna, Austria Naturhistorisches Museum Wien Vienna Austria.

The hitherto monospecific genus is revised based on the syntypes of Attems, 1938, housed in Naturhistorisches Museum Wien (NHMW), as well as on specimens of what we interpret as a new species of the genus, Pleonoporustanzanicus sp. nov., collected in Tanzania and housed in the Museum of Nature - Zoology, Leibnitz Institute for the Analysis of Biodiversity Change (ZMH) for more than a century.

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Taxonomic and nomenclatural notes on Chinese species of Meigen, 1824 (Diptera, Sarcophagidae).

Zookeys

June 2022

School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention Beijing China.

New taxonomic and nomenclatural data are provided for Chinese species of Meigen, 1824. Eight new synonyms are proposed: two at the genus level, Wei, 2005 = Meigen, 1824 and Lehrer & Wei, 2010 = Sarcophaga Meigen, 1824, two at the subgenus level, Wei, 2005 = Ye, 1981 and Lehrer & Wei, 2010 = Fan & Kano, 2000, and four at the species level, Wei & Yang, 2007 = Pape & Bänziger, 2003, Wei, 2005 = (Rohdendorf, 1938), Wei & Yang, 2007 = Sarcophaga (Liosarcophaga) kanoi Park, 1962, and Wei & Yang, 2007 = (Fan, 1964). Sarcophaga (Liosarcophaga) aegyptica Salem, 1935 is considered a senior synonym of Sarcophaga (Liosarcophaga) parkeri (Rohdendorf, 1937).

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Globally invariant metabolism but density-diversity mismatch in springtails.

Nat Commun

February 2023

Johann Friedrich Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Göttingen, Germany.

Soil life supports the functioning and biodiversity of terrestrial ecosystems. Springtails (Collembola) are among the most abundant soil arthropods regulating soil fertility and flow of energy through above- and belowground food webs. However, the global distribution of springtail diversity and density, and how these relate to energy fluxes remains unknown.

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Changes in the functional diversity of modern bird species over the last million years.

Proc Natl Acad Sci U S A

February 2023

Center for Macroecology, Evolution, and Climate, Globe Institute, University of Copenhagen, Copenhagen 2100, Denmark.

Despite evidence of declining biosphere integrity, we currently lack understanding of how the functional diversity associated with changes in abundance among ecological communities has varied over time and before widespread human disturbances. We combine morphological, ecological, and life-history trait data for >260 extant bird species with genomic-based estimates of changing effective population size () to quantify demographic-based shifts in avian functional diversity over the past million years and under pre-anthropogenic climate warming. We show that functional diversity was relatively stable over this period, but underwent significant changes in some key areas of trait space due to changing species abundances.

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Trophic rewilding is increasingly applied in restoration efforts, with the aim of reintroducing the ecological functions provided by large-bodied mammals and thereby promote self-regulating, biodiverse ecosystems. However, empirical evidence for the effects of megafauna introductions on the abundance and richness of other organisms such as plants and invertebrates, and the mechanisms involved still need strengthening. In this study, we use environmental DNA (eDNA) metabarcoding of dung from co-existing feral cattle and horses to assess the seasonal variation in plant diet and dung-associated arthropods and nematodes.

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Soil pollution represents a threat to soil biodiversity and to soil and human health. However, many ecotoxicological issues, such as the impact of heavy metal pollution on the soil mite community and its spatial distribution in areas with complex environmental factors, are not fully understood. Here, an investigation was conducted in an arable area (about 11 km) enclosed by surrounding mountains.

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The unprecedented generation of large volumes of biodiversity data is consistently contributing to a wide range of disciplines, including disease ecology. Emerging infectious diseases are usually zoonoses caused by multi-host pathogens. Therefore, their understanding may require the access to biodiversity data related to the ecology and the occurrence of the species involved.

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Divergence in the face of high dispersal capabilities is a documented but poorly understood phenomenon. The white-tailed eagle (Haliaeetus albicilla) has a large geographic dispersal capability and should theoretically be able to maintain genetic homogeneity across its dispersal range. However, following analysis of the genomic variation of white-tailed eagles, from both historical and contemporary samples, clear signatures of ancient biogeographic substructure across Europe and the North-East Atlantic is observed.

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During the Early to Middle Pleistocene, Java was inhabited by hominid taxa of great diversity. However, their seasonal dietary strategies have never been explored. We undertook geochemical analyses of orangutan (Pongo sp.

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The identification of gastrointestinal helminth infections of humans and livestock almost exclusively relies on the detection of eggs or larvae in faeces, followed by manual counting and morphological characterisation to differentiate species using microscopy-based techniques. However, molecular approaches based on the detection and quantification of parasite DNA are becoming more prevalent, increasing the sensitivity, specificity and throughput of diagnostic assays. High-throughput sequencing, from single PCR targets through to the analysis of whole genomes, offers significant promise towards providing information-rich data that may add value beyond traditional and conventional molecular approaches; however, thus far, its utility has not been fully explored to detect helminths in faecal samples.

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The genetic history of Scandinavia from the Roman Iron Age to the present.

Cell

January 2023

Centre for Palaeogenetics, 106 91 Stockholm, Sweden; Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden. Electronic address:

We investigate a 2,000-year genetic transect through Scandinavia spanning the Iron Age to the present, based on 48 new and 249 published ancient genomes and genotypes from 16,638 modern individuals. We find regional variation in the timing and magnitude of gene flow from three sources: the eastern Baltic, the British-Irish Isles, and southern Europe. British-Irish ancestry was widespread in Scandinavia from the Viking period, whereas eastern Baltic ancestry is more localized to Gotland and central Sweden.

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Phylogeny and historical biogeography of the water boatmen (Insecta: Hemiptera: Heteroptera: Nepomorpha: Corixoidea).

Mol Phylogenet Evol

March 2023

Institute of Entomology, College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin 300071, China. Electronic address:

Article Synopsis
  • The Corixoidea is a large group of aquatic bugs with over 600 species, primarily found in the Holarctic region, which is part of the Laurasian landmass.
  • A study investigated their evolutionary history and geographical distribution by analyzing both physical traits and DNA from 122 different taxa.
  • Findings suggest that Corixoidea began diversifying in Gondwana around 224 million years ago, with significant diversification occurring in the Holarctic as Laurasia separated from Gondwana, creating new ecological opportunities for these insects.
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Bio-telemetry from small tags attached to animals is one of the principal methods for studying the ecology and behaviour of wildlife. The field has constantly evolved over the last 80 years as technological improvement enabled a diversity of sensors to be integrated into the tags (e.g.

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Protected areas are increasingly promoted for their capacity to sequester carbon, alongside biodiversity benefits. However, we have limited understanding of whether they are effective at reducing deforestation and degradation, or promoting vegetation growth, and the impact that this has on changes to aboveground woody carbon stocks. Here we present a new satellite radar-based map of vegetation carbon change across southern Africa's woodlands and combine this with a matching approach to assess the effect of protected areas on carbon dynamics.

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Advances in tracking technology have helped elucidate the movements of the planet's largest and most mobile species, but these animals do not represent faunal diversity as a whole. Tracking a more diverse array of animal species will enable testing of broad ecological and evolutionary hypotheses and aid conservation efforts. Small and sedentary species of the tropics make up a huge part of earth's animal diversity and are therefore key to this endeavor.

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Sponges are interesting animal models for regeneration studies, since even from dissociated cells, they are able to regenerate completely. In particular, explants are model systems that can be applied to many sponge species, since small fragments of sponges can regenerate all elements of the adult, including the oscula and the ability to pump water. The morphological aspects of regeneration in sponges are relatively well known, but the molecular machinery is only now starting to be elucidated for some sponge species.

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A New Species of (Diptera: Hippoboscidae) from China Based on Morphology and DNA Barcodes.

Insects

December 2022

School of Ecology and Nature Conservation, Beijing Forestry University, Qinghua East Road 35, Beijing 100083, China.

A new species of the genus Adensamer, 1896 (Diptera: Hippoboscidae) is described from Fujian, namely . sp. nov.

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Antarctic terrestrial biodiversity faces multiple threats, from invasive species to climate change. Yet no large-scale assessments of threat management strategies exist. Applying a structured participatory approach, we demonstrate that existing conservation efforts are insufficient in a changing world, estimating that 65% (at best 37%, at worst 97%) of native terrestrial taxa and land-associated seabirds are likely to decline by 2100 under current trajectories.

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Integrating orientation mechanisms, adrenocortical activity, and endurance flight in vagrancy behaviour.

Sci Rep

December 2022

Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, 2100, Copenhagen, Denmark.

Avian migratory processes are typically precisely oriented, yet vagrants are frequently recorded outside their normal range. Wind displaced vagrants often show corrective behaviour, and as an appropriate response is likely adaptive. We investigated the physiological response to vagrancy in passerines.

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Recently, a unique mechanism for protecting the airway during lunge feeding was discovered in rorqual whales (Balaenopteridae). This mechanism is based on an oral plug structure in the soft palate with similarities in musculo-fatty composition to the nasal plugs protecting the respiratory tract of rorquals from water entry and barotrauma during diving. As a follow-up, we present here a developmental series on fetal, prenatal, juvenile and adult specimens across five species of rorquals, showing differential maturation of the nasal and oral respiratory protection plugs.

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The extraterrestrial materials returned from asteroid (162173) Ryugu consist predominantly of low-temperature aqueously formed secondary minerals and are chemically and mineralogically similar to CI (Ivuna-type) carbonaceous chondrites. Here, we show that high-temperature anhydrous primary minerals in Ryugu and CI chondrites exhibit a bimodal distribution of oxygen isotopic compositions: O-rich (associated with refractory inclusions) and O-poor (associated with chondrules). Both the O-rich and O-poor minerals probably formed in the inner solar protoplanetary disk and were subsequently transported outward.

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Initial analyses showed that asteroid Ryugu's composition is close to CI (Ivuna-like) carbonaceous chondrites -the chemically most primitive meteorites, characterized by near-solar abundances for most elements. However, some isotopic signatures (e.g.

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Ecology, evolution, and conservation of Ethiopia's biodiversity.

Proc Natl Acad Sci U S A

December 2022

Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, Oslo 0371, Norway.

Ethiopia is home to one of the richest and most unique assemblages of fauna and flora on the African continent. Contained within its borders are two major centers of endemism, the mesic Roof of Africa (also known as the Ethiopian Highlands) and the arid Horn of Africa, resulting from the country's varied topography and consequent geographic isolation. These centers of endemism are crucial to global conservation as evidenced by their classification within the Eastern Afromontane and Horn of Africa biodiversity hotspots, respectively.

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