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  • American Association for the Advancement of Science  (369,592)
  • Edmonton : University of Alberta Press
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  • 1
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    American Association for the Advancement of Science
    Online: 2020 –
    Publisher: American Association for the Advancement of Science
    Electronic ISSN: 2765-8031
    Topics: Biology , Medicine
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  • 2
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    American Association for the Advancement of Science
    Online: 2019 –
    Publisher: American Association for the Advancement of Science
    Electronic ISSN: 2643-6515
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 3
    Call number: AWI Bio-97-0308
    In: Flora of the Russian Arctic, Volume 1
    Description / Table of Contents: Families in Volume 1: I. Polypodiaceae - True Ferns. - II. Ophioglossaceae - Adder's Tongue. - III. Equisetaceae - Horsetails. - IV. Lycopodiaceae - Club-Moss. - V. Selaginellaceae - Selaginella. - VI. Pinaceae - Pine. - VII. Cupressaceae - Cypress. - VIII. Sparganiaceae - Bur-Reed. - IX. Potamogetonaceae - Pondweed. - X. Juncaginaceae - Arrow-Grass. - XI. Alismataceae - Water-Plantain. - XII. Butomaceae - Flowering Rush. - XIII. Gramineae - Grasses
    Description / Table of Contents: This volume - the first of six - launches the first comprehensive English-language flora of the Russian Arctic. Flora of the Russian Arctic translates Arkticheskaya Flora SSSR, the authoritative work of botanists of the Komarov Botanical Institute prepared under the editorship of A. I. Trolmachev and B. A. Yurtsev. This unexcerpted translation was prepared by distinguished systematist G. C. D: Griffiths under the editorship of J. G. Packer, Professor Emeritus of Botany at the University of Alberta. It represents the first time this work has been made available in a language other than Russian. This first volue of Flora of the Russian Arctic describes the thirteen families here listed. Together, the six volumes will treat some 360 genera, 1650 species and 220 infraspecific taxa, including many new combinations and previously undescribed species and subspecies. Detailed keys to genera and species and the original distribution maps complement the species discussions. The Russian Arctic spans 145 degrees of longitude, from the Barents Sea to the Bering Strait. The comprehensive content and accomplished scholarship of this work, along with the size of the area covered, make Flora of the Russian Arctic an essential part of every botanical library.
    Type of Medium: Monograph available for loan
    Pages: XXXVIII, 330 Seiten , Illustrationen
    Edition: First English edition
    ISBN: 0888642695
    Series Statement: Flora of the Russian Arctic : a critical review of the vascular plants occurring in the Arctic region of the former Soviet Union 1
    Uniform Title: Arktičeskaja flora SSSR
    Language: English , Latin
    Note: Contents Acknowledgements Editor's Preface Translator's Preface Preface to Volume I of the Russian edition, Polypodiaceae-Butomaceae Preface to Volume II of the Russian edition, Gramineae Abbreviations Used in Citing Floristic and Systematic Literature FAMILY I / Polypodiaceae—True Ferns GENUS 1 / Woodsia—Woodsia GENUS 2 / Cystopteris—Bladder Fern GENUS 3 / Dryopteris—Shield Fern GENUS 4 / Thelypteris—Thelypteris GENUS 5 / Gymnocarpium—Oak Fern GENUS 6 / Polystichum—Holly Fern GENUS 7 / Athyrium—Lady Fern GENUS 8 / Asplenium—Spleenwort GENUS 9 / Cryptogramma—Rock Brake GENUS 10 / Polypodium—Polypody FAMILY II / Ophioglossaceae—Adder's Tongue Family GENUS L / Botrychium—Moonwort FAMILY III / Equisetaceae—Horsetails GENUS 1 / Equisetum—Horsetail FAMILY IV / Lycopodiaceae—Club-Mosses GENUS 1 / Lycopodium—Club-Moss FAMILY V / Selaginellaceae—Selaginella Family GENUS 1 / Selaginella—Selaginella, Little Club-Moss FAMILY VI / Pinaceae—Pine Family GENUS IA / Abies—Fir GENUS 1 / Picea—Spruce GENUS 2 / Larix—Larch GENUS 3 / Pinus—Pine FAMILY VII / Cupressaceae—Cypress Family GENUS 1 / Juniperus—Juniper FAMILY VIII / Sparganiaceae—Bur-Reed Family GENUS 1 / Sparganium—Bur-Reed FAMILY IX / Potamogetonaceae—Pondweed Family GENUS 1 / Potamogeton—Pondweed GENUS 2 / Zostera—Eel-Grass FAMILY X / Juncaginaceae—Arrow-Grass Family GENUS 1 / Triglochin—Arrow Grass GENUS 2 / Scheuchzeria—Scheuchzeria FAMILY XI / Alismataceae—Water-Plantain Family GENUS 1 / Alisma—Water-Plantain FAMILY XII / Butomaceae—Flowering Rush Family GENUS 1 / Butomus—Flowering Rush FAMILY XIII / Gramineae—Grasses GENUS 1 / Typhoides—Reed Canary Grass GENUS 2 / Anthoxanthum—Vernal-Grass GENUS 3 / Hierochloe—Sweet Grass GENUS 4 / Milium—Wood Millet GENUS 5 / Phleum—Timothy GENUS 6 / Alopecurus—Foxtail GENUS 7 / Arctagrostis—Arctagrostis GENUS 8 / Agrostis—Bent GENUS 9 / Calamagrostis—Reed Grass GENUS 10 / Apera—Silky Bent GENUS 11 / Vahlodea—Vahlodea GENUS 12 / Deschampsia—Hair Grass GENUS 13 / Trisetum—Trisetum GENUS 14 / Helictotrichon—Oat Grass GENUS 15 I Beckmannia—Slough Grass GENUS 16 / Phragmites—Reed GENUS 17 / Molinia—Moor Grass GENUS 18 / Koeleria—June Grass GENUS 19 / Melica—Melic GENUS 20 / Pleuropogon—Semaphore Grass GENUS 21 / Dactylis—Cocksfoot GENUS 22 / Poa—Bluegrass GENUS 23 / Dupontia—Dupontia GENUS 24 / Arctophila—Arctophila GENUS 25 / Colpodium—Colpodium GENUS 26 / Catabrosa—Brook Grass GENUS 27 / Phippsia—Phippsia GENUS 27A / Glyceria—Manna Grass GENUS 28 / Puccinellia—Alkali Grass GENUS 29 / Festuca—Fescue GENUS 30 / Zerna—Perennial Brome Grass GENUS 31 / Bromus—Brome Grass GENUS 32 / Nardus—Matgrass GENUS 33 / Roegneria—Rhizomeless WheatGrass GENUS 34 / Elytrigia—WheatGrass GENUS 35 / Leymus—Wild Rye GENUS 36 / Hordeum—Barley APPENDIX I I Summary of Data on the Geographical Distribution of Vascular Plants of the Soviet Arctic TABLE 1 / Distribution of Vascular Plants of the Soviet Arctic, Polypodiaceae-Butomaceae TABLE 2 / Distribution of Vascular Plants of the Soviet Arctic, Gramineae Index of Plant Names
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 4
    Publication Date: 2020-12-21
    Description: BREVIA
    Description: We report on the discovery in southern Egypt of an impact crater 45 m in diameter with a pristine rayed structure. Such pristine structures have been previously observed only on atmosphereless rocky or icy planetary bodies in the Solar System. This feature and the association with an iron meteorite impactor and shock metamorphism provides a unique picture of small-scale hypervelocity impacts on the Earth's crust. Contrary to current geophysical models, ground data indicate that iron meteorites with masses of the order of tens of tons can penetrate the atmosphere without significant fragmentation.
    Description: Published
    Description: 804
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: 3.8. Geofisica per l'ambiente
    Description: JCR Journal
    Description: open
    Keywords: Impact crater ; Egypt ; geophysical exploration ; ataxite ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
    Publication Date: 2020-02-12
    Description: Dinoflagellates are microbial eukaryotes that have exceptionally large nuclear genomes; however, their organelle genomes are small and fragmented and contain fewer genes than those of other eukaryotes. The genus Amoebophrya (Syndiniales) comprises endoparasites with high genetic diversity that can infect other dinoflagellates, such as those forming harmful algal blooms (e.g., Alexandrium). We sequenced the genome (~100 Mb) of Amoebophrya ceratii to investigate the early evolution of genomic characters in dinoflagellates. The A. ceratii genome encodes almost all essential biosynthetic pathways for self-sustaining cellular metabolism, suggesting a limited dependency on its host. Although dinoflagellates are thought to have descended from a photosynthetic ancestor, A. ceratii appears to have completely lost its plastid and nearly all genes of plastid origin. Functional mitochondria persist in all life stages of A. ceratii, but we found no evidence for the presence of a mitochondrial genome. Instead, all mitochondrial proteins appear to be lost or encoded in the A. ceratii nucleus.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 6
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    American Association for the Advancement of Science
    In:  EPIC3Science, American Association for the Advancement of Science, 369(6499), pp. 65-70, ISSN: 1095-9203
    Publication Date: 2021-05-05
    Description: Species’ vulnerability to climate change depends on the most temperature-sensitive life stages, but for major animal groups such as fish, life cycle bottlenecks are often not clearly defined. We used observational, experimental, and phylogenetic data to assess stage-specific thermal tolerance metrics for 694 marine and freshwater fish species from all climate zones. Our analysis shows that spawning adults and embryos consistently have narrower tolerance ranges than larvae and nonreproductive adults and are most vulnerable to climate warming. The sequence of stage-specific thermal tolerance corresponds with the oxygen-limitation hypothesis, suggesting a mechanistic link between ontogenetic changes in cardiorespiratory (aerobic) capacity and tolerance to temperature extremes. A logarithmic inverse correlation between the temperature dependence of physiological rates (development and oxygen consumption) and thermal tolerance range is proposed to reflect a fundamental, energetic trade-off in thermal adaptation. Scenario-based climate projections considering the most critical life stages (spawners and embryos) clearly identify the temperature requirements for reproduction as a critical bottleneck in the life cycle of fish. By 2100, depending on the Shared Socioeconomic Pathway (SSP) scenario followed, the percentages of species potentially affected by water temperatures exceeding their tolerance limit for reproduction range from ~10% (SSP 1–1.9) to ~60% (SSP 5–8.5). Efforts to meet ambitious climate targets (SSP 1–1.9) could therefore benefit many fish species and people who depend on healthy fish stocks.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 7
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    American Association for the Advancement of Science
    In:  EPIC3Science, American Association for the Advancement of Science, 367(6474), pp. 156-156
    Publication Date: 2020-01-19
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 8
    Publication Date: 2021-01-25
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 9
    Publication Date: 2017-04-04
    Description: The continuous volcanic and seismic activity at Mount Etna makes this volcano an important laboratory for seismological and geophysical studies. We used repeated three-dimensional tomography to detect variations in elastic parameters during different volcanic cycles, before and during the October 2002–January 2003 flank eruption. Well-defined anomalous low P- to S-wave velocity ratio volumes were revealed. Absent during the pre-eruptive period, the anomalies trace the intrusion of volatile-rich (Q4 weight percent) basaltic magma, most of which rose up only a few months before the onset of eruption. The observed time changes of velocity anomalies suggest that four-dimensional tomography provides a basis for more efficient volcano monitoring and shortand midterm eruption forecasting of explosive activity.
    Description: Published
    Description: 821-823
    Description: reserved
    Keywords: NONE ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 727523 bytes
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  • 10
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    American Association for the Advancement of Science
    Publication Date: 2017-04-04
    Description: BREVIA
    Description: Current emission inventories require an additional "unknown" source to balance the global atmospheric budgets of ethane (C2H6). Here, we provide evidence that a substantial part of the missing source can be attributed to natural gas seepage from petroliferous, geothermal, and volcanic areas. Such geologic sources also inject propane (C3H8) into the atmosphere. The analysis of a large data set of methane (CH4), ethane, and propane concentrations in surface gas emissions of 238 sites from different geographic and geologic areas, coupled with published estimates of geomethane emissions, suggests that Earth's degassing accounts for at least 17% and 10% of total ethane and propane emissions, respectively.
    Description: Published
    Description: 478
    Description: 3.8. Geofisica per l'ambiente
    Description: JCR Journal
    Description: reserved
    Keywords: Ethane ; Propane ; Geologic emissions ; Seepage ; 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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