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  1. Article ; Online: Christian Gottfried Ehrenbergs Zeichnungen

    Wolf-Henning Kusber / Regine Jahn

    HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, Vol 22, Iss

    Eine frühe wissenschaftliche Dokumentation mikroskopischer Organismen

    2021  Volume 42

    Abstract: Zusammenfassung Die Erforschung und Beschreibung mikroskopischer Organismen durch Christian Gottfried Ehrenberg ist durch seine publizierten Texte und Kupfertafeln in den „Infusionsthierchen“, der „Mikrogeologie“ sowie aus Abhandlungen der Akademie der ... ...

    Abstract Zusammenfassung Die Erforschung und Beschreibung mikroskopischer Organismen durch Christian Gottfried Ehrenberg ist durch seine publizierten Texte und Kupfertafeln in den „Infusionsthierchen“, der „Mikrogeologie“ sowie aus Abhandlungen der Akademie der Wissenschaften überliefert. Zentrale Bedeutung haben seine Zeichenblätter, anfangs alleinige Dokumentation, später komplementiert durch tausende mikroskopischer Dauerpräparate rezenter und fossiler Kieselschalen sowie getrockneter Einzeller. Alle Originalmaterialien Ehrenbergs stehen für die aktuelle Forschung in der Ehrenbergsammlung zur Verfügung. Seine detailgenauen Zeichnungen dienten der Erstbeschreibung einer Vielzahl neuer Arten aus allen Weltteilen. Biogeografische und ökologische Fragestellungen, Beschreibungen von Lebenszyklen sowie außerordentliche Phänomene wie die Färbung von Gewässern und Erden wurden mithilfe zeichnerischer Analysen bearbeitet. Abstract Christian Gottfried Ehrenberg researched and described microscopic organisms and passed this knowledge on through his published texts and copper engravings in his two books “Infusionsthierchen” and “Mikrogeologie”, in addition to his many papers in the “Abhandlungen” of the “Akademie der Wissenschaften, Berlin”. Of central importance are his drawing sheets which were his sole documentation in the beginning. Later they were complemented by thousands of dried permanent microscopical preparations of recent and fossil diatom valves and other dried unicelled organisms. All his original materials are available in the Ehrenberg Collection for study. His detailed drawings served as the first description of a multitude of new species from around the world. Biogeographical and ecological questions, description of life cycles as well as extraordinary phenomena such as the coloring of waters and soils were treated by him through his drawings. Resumen Christian Gottfried Ehrenberg investigó y describió miles de microorganismos y transmitió este conocimiento a través de sus textos publicados y placas de cobre en ...
    Keywords Algen ; Artbeschreibung ; Mikroskopie ; Biodiversität ; Naturkundliche Sammlung ; 1789- ; D299-475 ; Science (General) ; Q1-390
    Subject code 801
    Language German
    Publishing date 2021-03-01T00:00:00Z
    Publisher Universität Potsdam
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Exploring benthic diatom diversity in the West Antarctic Peninsula

    Katherina Schimani / Nélida Abarca / Oliver Skibbe / Heba Mohamad / Regine Jahn / Wolf-Henning Kusber / Gabriela Laura Campana / Jonas Zimmermann

    Metabarcoding and Metagenomics, Vol 7, Iss , Pp 339-

    insights from a morphological and molecular approach

    2023  Volume 384

    Abstract: Polar regions are among the most extreme habitats on Earth. However, diatom biodiversity in those regions is much more extensive and ecologically diverse than previously thought. The objective of this study was to add knowledge to benthic diatom ... ...

    Abstract Polar regions are among the most extreme habitats on Earth. However, diatom biodiversity in those regions is much more extensive and ecologically diverse than previously thought. The objective of this study was to add knowledge to benthic diatom biodiversity in Western Antarctic coastal zones via identification by means of morphology, DNA metabarcoding and cultured isolates. In addition, a taxonomically validated reference library for Antarctic benthic diatoms was established with comprehensive information on habitat, morphology and DNA barcodes (rbcL and 18SV4). Benthic samples from marine, brackish and freshwater habitats were taken at the Antarctic Peninsula. A total of 162 clonal cultures were established, resulting in the identification of 60 taxa. The combination of total morphological richness of 174 taxa, including the clones, with an additional 73 taxa just assigned by metabarcoding resulted in 247 infrageneric taxa. Of those taxa, 33 were retrieved by all three methods and 111 only by morphology. The barcode reference library of Antarctic species with the new references obtained through culturing allowed the assignment of 47 taxa in the metabarcoding analyses, which would have been left unassigned because no matching reference sequences were available before. Non–metric multidimensional scaling analyses of morphological as well as molecular data showed a clear separation of diatom communities according to water and substratum types. Many species, especially marine taxa, still have no record in reference databases. This highlights the need for a more comprehensive reference library to further improve routine diatom metabarcoding. Overall, a combination of morphological and molecular methods, along with culturing, provides complementary information on the biodiversity of benthic diatoms in the region.
    Keywords Ecology ; QH540-549.5
    Subject code 590
    Language English
    Publishing date 2023-12-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Epithemia hirudiniformis and Related Taxa within the Subgenus Rhopalodiella subg. nov. in Comparison to Epithemia subg. Rhopalodia stat nov. (Bacillariophyceae) from East Africa

    Cocquyti, Christine / Regine Jahn / Wolf-Henning Kusber

    Cryptogamie. 2018 Feb., v. 39, no. 1

    2018  

    Abstract: Epithemia hirudiniformis and three morphologically related taxa, described in Rhopalodia by O. Müller from material collected in East Africa at the end of the 19th and the beginning of the 20th century were re-evaluated and lectotypes designated. ... ...

    Abstract Epithemia hirudiniformis and three morphologically related taxa, described in Rhopalodia by O. Müller from material collected in East Africa at the end of the 19th and the beginning of the 20th century were re-evaluated and lectotypes designated. Rhopalodiella as a new subgenus is proposed which refines O. Müller's infrageneric classification and to which all these taxa belong. In addition, the type of Epithemia rhopala, described by Ehrenberg from Egypt, was studied to examine the assumed synonymy, introduced by Hustedt, with some of Müller's species. This study, using light and scanning electron microscopy, was not only based on historic material but also more recent material from Africa, including samples from the Island of Reunion from which the new species Epithemia vandevijveri is described. The distribution of Epithemia subg. Rhopalodiella, known to be restricted to tropical Africa, is discussed based on literature data and own observations. Corresponding to recent molecular-based studies, Rhopalodia is given a new status as subgenus.
    Keywords Epithemia ; lectotypes ; new species ; new status ; new subgenus ; Rhopalodia ; scanning electron microscopy ; Eastern Africa ; Egypt
    Language English
    Dates of publication 2018-02
    Size p. 35-62.
    Publishing place Association des Amis des Cryptogames
    Document type Article
    ISSN 1776-0984
    DOI 10.7872/crya/v39.iss1.2018.35
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Typification of the puzzling diatom species Neidium iridis (Neidiaceae)

    Paul B Hamilton / Katarzyna Stachura-Suchoples / Wolf-Henning Kusber / Andreanne Bouchard / Regine Jahn

    Plant Ecology and Evolution, Vol 152, Iss 2, Pp 392-

    2019  Volume 401

    Abstract: Background and aims – Confusion over the taxonomic identity of Neidium iridis (Ehrenb.) Cleve (= Navicula iridis Ehrenb.) has persisted for more than 130 years with identifications of valve shapes varying from elliptical to linear and sizes from 100 to ... ...

    Abstract Background and aims – Confusion over the taxonomic identity of Neidium iridis (Ehrenb.) Cleve (= Navicula iridis Ehrenb.) has persisted for more than 130 years with identifications of valve shapes varying from elliptical to linear and sizes from 100 to 300 µm. This confusion can be linked to the rarity of the species and poor attention to the original line drawings of Ehrenberg. This study examines the type material of Navicula iridis and further uses additional material from North America to define the species Neidium iridis.Methods – Mica and material from Christian Gottfried Ehrenberg’s Collection were studied to examine Navicula iridis. Light and electron microscope techniques were used to document the variability of valve morphology of original material in comparison with other fossil and recent materials.Key results – Ehrenberg designated no nomenclatural type for Navicula iridis at the place of its first description, and until recently the original material was not studied. One freshwater extant locality was identified (New York, West Point) in the original 1843 publication, and in his notes and drawings. Examination of the micas and material from the type locality, showed that Navicula iridis was very rare. Two specimens were found that matched the line drawing presented by Ehrenberg. In addition, we examined Ehrenberg’s original material with SEM, as well as two other localities in North America and present LM and SEM documentation of additional valve forms. A further evaluation of the status of Neidium columnaris, Neidium maximum and an unknown taxon in relation to Neidium iridis is presented.Conclusions – The findings of this study elucidate the taxon Navicula iridis (= Neidium iridis) as described by Ehrenberg in 1843. This will assist in the identification of other large Neidium taxa which to date have been associated with Neidium iridis.
    Keywords Neidium iridis ; Ehrenberg ; taxonomy ; lectotype ; ty ; Plant ecology ; QK900-989
    Subject code 590
    Language English
    Publishing date 2019-07-01T00:00:00Z
    Publisher Meise Botanic Garden
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article: Still curling after all these years: Glenodinium apiculatum Ehrenb. (Peridiniales, Dinophyceae) repeatedly found at its type locality in Berlin (Germany)

    Kretschmann, Juliane / AnŽe Žerdoner Čalasan / Marc Gottschling / Wolf-Henning Kusber

    Systematics and biodiversity. 2018 Feb. 17, v. 16, no. 2

    2018  

    Abstract: The contemporary occurrence of dinophytes at their type localities has not been intensely studied so far, despite the type locality's crucial importance for any reliable scientific name application. The microscopist and phycologist Ch.G. Ehrenberg ... ...

    Abstract The contemporary occurrence of dinophytes at their type localities has not been intensely studied so far, despite the type locality's crucial importance for any reliable scientific name application. The microscopist and phycologist Ch.G. Ehrenberg described a number of dinophyte species more than 150 years ago, many of which are currently taxonomically ambiguous. We collected water tow and sediment samples at those same localities in Berlin that Ch.G. Ehrenberg may have visited as well. We isolated and established several strains of Glenodinium apiculatum that we investigated by applying contemporary microscopic and molecular methods. The plate formula of the species was 4′, 2a, 7′′, 6c, 5s, 5′′′, 2′′′′, without an apical pore complex, and the most distinctive morphological trait of Glenodinium apiculatum was the spiny hypotheca. The spines were irregularly scattered over hypothecal plate surface and arranged in raised edges between thecal plates. As inferred from molecular phylogenetics, Glenodinium apiculatum is assigned to Palatinus, which is an element of the Peridiniopsidaceae as a part of the Peridiniales. For taxonomic purposes, we epitypified Ch.G. Ehrenberg's taxon with newly collected material to ensure a reliable determination in the future. Palatinus apiculatus is not a fleeting star, and a number of dinophytes show a remarkably high fidelity to the sites from which they were originally described, even if the description was carried out a long time ago.
    Keywords Peridiniales ; phylogeny ; sediments ; type collections ; Germany
    Language English
    Dates of publication 2018-0217
    Size p. 200-209.
    Publishing place Taylor & Francis
    Document type Article
    ISSN 1478-0933
    DOI 10.1080/14772000.2017.1375045
    Database NAL-Catalogue (AGRICOLA)

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  6. Article ; Online: Gomphonella olivacea (Bacillariophyceae) – a new phylogenetic position for a well-known taxon, its typification, new species and combinations

    Regine Jahn / Wolf-Henning Kusber / Oliver Skibbe / Jonas Zimmermann / Anh Van / Krisztina Buczkó / Nélida Abarca

    Plant Ecology and Evolution, Vol 152, Iss 2, Pp 219-

    2019  Volume 247

    Abstract: Background and aims – Within the project “German Barcode of Life – Diatoms” common diatoms of German waters were routinely isolated and cultivated. In order to understand the taxonomy and phylogeny of the genus Gomphonema, one of the most common taxa of ... ...

    Abstract Background and aims – Within the project “German Barcode of Life – Diatoms” common diatoms of German waters were routinely isolated and cultivated. In order to understand the taxonomy and phylogeny of the genus Gomphonema, one of the most common taxa of Central Europe, known currently either under the name Gomphonema olivaceum in Europe or Gomphoneis olivacea in America, was studied.Methods – Twenty unialgal strains were established from five different water bodies in Germany and one from Lake Balaton, Hungary, which supplied molecular data (18S V4 and rbcL) besides morphometric and ultrastructural data. In addition, on eight populations from different water bodies including the type from Denmark, morphometric and micromorphological studies by light and scanning electron microscopy were performed.Key results – Molecular and micromorphological data show that the target taxon neither belongs to Gomphonema Ehrenb. nor to Gomphoneis Cleve. By reinstating the genus name Gomphonella Rabenh., the nomenclatural and taxonomic enigma of this taxon is solved, and with the presentation of the type by Hornemann the authorship of the epithet is clarified. Molecular data for the unialgal strains and several environmental clones show that there is more diversity in the Gomphonella olivacea clade than can be identified morphologically. In addition, the establishment of the new species Gomphonella coxiae and Gomphonella acsiae is supported. The molecular data classified Gomphonella species as belonging to the Cymbellales but not to the Gomphonemataceae. In addition, molecular data put Gomphoneis tegelensis R.Jahn & N.Abarca also into Gomphonella. In order to make the genera Gomphoneis and Gomphonema monophyletic, their astigmate members are transferred to Gomphonella.Conclusions – The results clarify that the gomphonemoid outline is not restricted to the family Gomphonemataceae but seem to be distributed across the entire order Cymbellales. This is shown in this paper for the revived genus Gomphonella, which contains the ...
    Keywords Bacillariophyceae ; diatoms ; genus emendation ; Gomp ; Plant ecology ; QK900-989
    Subject code 590
    Language English
    Publishing date 2019-07-01T00:00:00Z
    Publisher Meise Botanic Garden
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Taxonomic reference libraries for environmental barcoding

    Jonas Zimmermann / Nelida Abarca / Neela Enke / Oliver Skibbe / Wolf-Henning Kusber / Regine Jahn

    PLoS ONE, Vol 9, Iss 9, p e

    a best practice example from diatom research.

    2014  Volume 108793

    Abstract: DNA barcoding uses a short fragment of a DNA sequence to identify a taxon. After obtaining the target sequence it is compared to reference sequences stored in a database to assign an organism name to it. The quality of data in the reference database is ... ...

    Abstract DNA barcoding uses a short fragment of a DNA sequence to identify a taxon. After obtaining the target sequence it is compared to reference sequences stored in a database to assign an organism name to it. The quality of data in the reference database is the key to the success of the analysis. In the here presented study, multiple types of data have been combined and critically examined in order to create best practice guidelines for taxonomic reference libraries for environmental barcoding. 70 unialgal diatom strains from Berlin waters have been established and cultured to obtain morphological and molecular data. The strains were sequenced for 18S V4 rDNA (the pre-Barcode for protists) as well as rbcL data, and identified by microscopy. LM and for some strains also SEM pictures were taken and physical vouchers deposited at the BGBM. 37 freshwater taxa from 15 naviculoid diatom genera were identified. Four taxa from the genera Amphora, Mayamaea, Planothidium and Stauroneis are described here as new. Names, molecular, morphological and habitat data as well as additional images of living cells are also available electronically in the AlgaTerra Information System. All reference sequences (or reference barcodes) presented here are linked to voucher specimens in order to provide a complete chain of evidence back to the formal taxonomic literature.
    Keywords Medicine ; R ; Science ; Q
    Subject code 590
    Language English
    Publishing date 2014-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Planothidium lanceolatum and Planothidium frequentissimum reinvestigated with molecular methods and morphology: four new species and the taxonomic importance of the sinus and cavum

    Jahn, Regine / Birgit Gemeinholzer / Demetrio Mora / Evgeniy Gusev / Jonas Zimmermann / Maxim Kulikovskiy / Nélida Abarca / Oliver Skibbe / Wolf-Henning Kusber

    Diatom research. 2017 Jan. 2, v. 32, no. 1

    2017  

    Abstract: Molecular data (rbc L and 18S) of 36 Planothidium strains were analysed. Twenty-seven strains were also studied morphologically by light microscopy and scanning electron microscopy: six strains from Berlin, two strains from the Faroe Islands, four ... ...

    Abstract Molecular data (rbc L and 18S) of 36 Planothidium strains were analysed. Twenty-seven strains were also studied morphologically by light microscopy and scanning electron microscopy: six strains from Berlin, two strains from the Faroe Islands, four strains from Lake Baikal, seven strains from Korea and eight strains from Mexico. The findings were compared to International Nucleotide Sequence Database Collaboration data of strains from New Zealand, Germany, France and the USA. The molecular and morphological data differentiated eight species, and the molecular trees underlined the clear differentiation between the two clades, with taxa possessing an asymmetrical central area on the sternum valve which is devoid of striae, either in the form of a sinus or of a cavum clustering together, versus the one taxon lacking a sinus or a cavum. In addition to Planothidium lanceolatum and P . cf. subantarcticum , the clade with a sinus contains two new species, P. cryptolanceolatum and P. taeansa , whereas the other clade with a cavum contains, in addition to P. frequentissimum and the recently described P. victori and P. caputium , the new species P. naradoense . The species without a sinus or cavum is also described as new, P. suncheonmanense . With respect to their distribution, P. victori is the most common, with 11 strains from the studied continents, Europe (Berlin), Asia (Lake Baikal), Americas (Mexico, USA), Australia/Oceania (New Zealand), whereas P. frequentissimum , represented by 5 strains, was restricted to Germany, France and New Zealand. A different geographical pattern seems to apply to the P. lanceolatum clade, with four strains occurring in Germany, the Faroe Islands, USA and Lake Baikal. Planothidium cryptolanceolatum (eight strains) only occurred in Korea, Mexico and USA. One strain from the Faroe Islands, morphologically very similar to P. subantarcticum and recently described as new from the Subantarctic, was also identified.
    Keywords databases ; light microscopy ; new species ; nucleotide sequences ; organisms ; Planothidium ; scanning electron microscopy ; Australia ; Faroe Islands ; France ; Germany ; Korean Peninsula ; Lake Baikal ; Mexico ; New Zealand ; South America ; United States
    Language English
    Dates of publication 2017-0102
    Size p. 75-107.
    Publishing place Taylor & Francis
    Document type Article
    ISSN 2159-8347
    DOI 10.1080/0269249X.2017.1312548
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Metadata standards and practical guidelines for specimen and DNA curation when building barcode reference libraries for aquatic life

    Frédéric Rimet / Eva Aylagas / Angel Borja / Agnès Bouchez / Alexis Canino / Christian Chauvin / Teofana Chonova / Fedor Ciampor Jr / Filipe О. Costa / Benoit J. D. Ferrari / Romain Gastineau / Chloé Goulon / Muriel Gugger / Maria Holzmann / Regine Jahn / Maria Kahlert / Wolf-Henning Kusber / Christophe Laplace-Treyture / Florian Leese /
    Frederik Leliaert / David G. Mann / Frédéric Marchand / Vona Méléder / Jan Pawlowski / Serena Rasconi / Sinziana Rivera / Rodolphe Rougerie / Magali Schweizer / Rosa Trobajo / Valentin Vasselon / Régis Vivien / Alexander Weigand / Andrzej Witkowski / Jonas Zimmermann / Torbjørn Ekrem

    Metabarcoding and Metagenomics, Vol 5, Iss , Pp 17-

    2021  Volume 33

    Abstract: DNA barcoding and metabarcoding is increasingly used to effectively and precisely assess and monitor biodiversity in aquatic ecosystems. As these methods rely on data availability and quality of barcode reference libraries, it is important to develop and ...

    Abstract DNA barcoding and metabarcoding is increasingly used to effectively and precisely assess and monitor biodiversity in aquatic ecosystems. As these methods rely on data availability and quality of barcode reference libraries, it is important to develop and follow best practices to ensure optimal quality and traceability of the metadata associated with the reference barcodes used for identification. Sufficient metadata, as well as vouchers, corresponding to each reference barcode must be available to ensure reliable barcode library curation and, thereby, provide trustworthy baselines for downstream molecular species identification. This document (1) specifies the data and metadata required to ensure the relevance, the accessibility and traceability of DNA barcodes and (2) specifies the recommendations for DNA harvesting and for the storage of both voucher specimens/samples and barcode data.
    Keywords Ecology ; QH540-549.5
    Subject code 020
    Language English
    Publishing date 2021-02-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Contributions to the biodiversity of Vietnam – Results of VIETBIO inventory work and field training in Cuc Phuong National Park

    Virginia Duwe / Lien Vu / Thomas von Rintelen / Eckhard von Raab-Straube / Stefan Schmidt / Sinh Nguyen / Thong Vu / Tu Do / Truong Luu / Vuong Truong / Vanessa Di Vincenzo / Olga Schmidt / Falko Glöckler / Regine Jahn / Robert Lücking / Katharina von Oheimb / Parm von Oheimb / Sandra Heinze / Nelida Abarca /
    Sarah Bollendorff / Thomas Borsch / Eliana Buenaventura / Huong Dang / Thuy Dinh / Hai Do / Sarah Ehlers / Jörg Freyhof / Sofía Hayden / Peter Hein / Tuan Hoang / Duc Hoang / Son Hoang / Harald Kürschner / Wolf-Henning Kusber / Han Le / Trang Le / Mattes Linde / Wolfram Mey / Hiep Nguyen / Man Nguyen / Minh Nguyen / Dat Nguyen / Tu Nguyen / Vu Nguyen / Michael Ohl / Gerald Parolly / Tan Pham / Phu Pham / Katharina Rabe

    Biodiversity Data Journal, Vol 10, Iss , Pp 1-

    2022  Volume 28

    Abstract: VIETBIO [Innovative approaches to biodiversity discovery and characterisation in Vietnam] is a bilateral German-Vietnamese research and capacity building project focusing on the development and transfer of new methods and technology towards an integrated ...

    Abstract VIETBIO [Innovative approaches to biodiversity discovery and characterisation in Vietnam] is a bilateral German-Vietnamese research and capacity building project focusing on the development and transfer of new methods and technology towards an integrated biodiversity discovery and monitoring system for Vietnam. Dedicated field training and testing of innovative methodologies were undertaken in Cuc Phuong National Park as part and with support of the project, which led to the new biodiversity data and records made available in this article collection.VIETBIO is a collaboration between the Museum für Naturkunde Berlin – Leibniz Institute for Evolution and Biodiversity Science (MfN), the Botanic Garden and Botanical Museum, Freie Universität Berlin (BGBM) and the Vietnam National Museum of Nature (VNMN), the Institute of Ecology and Biological Resources (IEBR), the Southern Institute of Ecology (SIE), as well as the Institute of Tropical Biology (ITB); all Vietnamese institutions belong to the Vietnam Academy of Science and Technology (VAST).The article collection "VIETBIO" (https://doi.org/10.3897/bdj.coll.63) reports original results of recent biodiversity recording and survey work undertaken in Cuc Phuong National Park, northern Vietnam, under the framework of the VIETBIO project. The collection consist of this “main” cover paper – characterising the study area, the general project approaches and activities, while also giving an extensive overview on previous studies from this area – followed by individual papers for higher taxa as studied during the project. The main purpose is to make primary biodiversity records openly available, including several new and interesting findings for this biodiversity-rich conservation area. All individual data papers with their respective primary records are expected to provide useful baselines for further taxonomic, phylogenetic, ecological and conservation-related studies on the respective taxa and, thus, will be maintained as separate datasets, including separate GUIDs also ...
    Keywords VIETBIO ; Vietnam ; biodiversity discovery ; species ; Biology (General) ; QH301-705.5
    Subject code 333
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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