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  • American Chemical Society  (2,084,048)
  • PANGAEA  (423,182)
  • Edmonton : University of Alberta Press
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  • 1
    Journal cover
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    American Chemical Society | ACS Publications
    Online: 1.1879 –
    Publisher: American Chemical Society , ACS Publications
    Print ISSN: 0002-7863
    Electronic ISSN: 1520-5126
    Topics: Chemistry and Pharmacology
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  • 2
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    American Chemical Society | ACS Publications
    Online: 1(1).2021 –
    Publisher: American Chemical Society , ACS Publications
    Electronic ISSN: 2691-3704
    Topics: Chemistry and Pharmacology
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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: 2020-12-04
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 5
    Publication Date: 2020-12-04
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 6
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    PANGAEA
    In:  PANGAEA - Data Publisher for Earth Environmental Science
    Publication Date: 2021-03-27
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 7
  • 8
    Publication Date: 2023-01-30
    Description: Despite the importance of surface energy budgets (SEBs) for land-climate interactions in the Arctic, uncertainties in their prediction persist. In situ observational data of SEB components - useful for research and model validation - are collected at relatively few sites across the terrestrial Arctic, and not all available datasets are readily interoperable. Furthermore, the terrestrial Arctic consists of a diversity of vegetation types, which are generally not well represented in land surface schemes of current Earth system models. This dataset describes the data generated in a literature synthesis, covering 358 study sites on vegetation or glacier (〉=60°N latitude), which contained surface energy budget observations. The literature synthesis comprised 148 publications searched on the ISI Web of Science Core Collection.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 9
    Publication Date: 2023-01-27
    Description: Organic carbon (OC) stored in Arctic permafrost represents one of Earth's largest and most vulnerable terrestrial carbon pools. Amplified climate warming across the Arctic results in widespread permafrost thaw. Permafrost deposits exposed at river cliffs and coasts are particularly susceptible to thawing processes. Accelerating erosion of terrestrial permafrost along shorelines leads to increased transfer of organic matter (OM) to nearshore waters. However, the amount of terrestrial permafrost carbon and nitrogen as well as the OM quality in these deposits are still poorly quantified. Here, we characterise the sources and the quality of OM supplied to the Lena River at a rapidly eroding permafrost river shoreline cliff in the eastern part of the delta (Sobo-Sise Island). Our multi-proxy approach captures bulk elemental, molecular geochemical and carbon isotopic analyses of late Pleistocene Yedoma permafrost and Holocene cover deposits, discontinuously spanning the last ~52 ka. We show that the ancient permafrost exposed in the Sobo-Sise cliff has a high organic carbon content (mean of about 5 wt%).We found that the OM quality, which we define as the intrinsic potential to further transformation, decomposition, and mineralization, is also high as inferred by the lipid biomarker inventory. The oldest sediments stem from Marine Isotope Stage (MIS) 3 interstadial deposits (dated to 52 to 28 cal kyr BP) and is overlaid by Last Glacial MIS 2 (dated to 28 to 15 cal ka BP) and Holocene MIS 1 (dated to 7–0 cal ka BP) deposits. The relatively high average chain length (ACL) index of n-alkanes along the cliff profile indicates a predominant contribution of vascular plants to the OM composition. The elevated ratio of iso and anteiso-branched FAs relative to long chain (C ≥ 20) n-FAs in the interstadial MIS 3 and the interglacial MIS 1 deposits, suggests stronger microbial activity and consequently higher input of bacterial biomass during these climatically warmer periods. The overall high carbon preference index (CPI) and higher plant fatty acid (HPFA) values as well as high C / N ratios point to a good quality of the preserved OM and thus to a high potential of the OM for decomposition upon thaw. A decrease of HPFA values downwards along the profile probably indicates a relatively stronger OM decomposition in the oldest (MIS 3) deposits of the cliff.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 10
    Publication Date: 2022-11-29
    Description: Living microorganisms inhabit every environment of the biosphere but only in the last decades their importance governing biochemical cycles in deep sediments has been widely recognized. Most investigations have been accomplished in the marine realm whereas there is a clear paucity of comparable studies in lacustrine sediments. One of the main challenges is to define geomicrobiological proxies that can be used to identify different microbial signals in the sediments. Laguna Potrok Aike, a maar lake located in Southeastern Patagonia, has an annually not stratifying cold water column with temperatures ranging between 4 and 10 °C, and most probably an anoxic water/sediment interface. These unusual features make it a peculiar and interesting site for geomicrobiological studies. Living microbial activity within the sediments was inspected by the first time in a sedimentary core retrieved during an ICDP-sponsored drilling operation. The main goals to study this cold subsaline environment were to characterize the living microbial consortium; to detect early diagenetic signals triggered by active microbes; and to investigate plausible links between climate and microbial populations. Results from a meter long gravity core suggest that microbial activity in lacustrine sediments can be sustained deeper than previously thought due to their adaptation to both changing temperature and oxygen availability. A multi-proxy study of the same core allowed defining past water column conditions and further microbial reworking of the organic fraction within the sediments. Methane content shows a gradual increase with depth as a result of the fermentation of methylated substrates, first methanogenic pathway to take place in the shallow subsurface of freshwater and subsaline environments. Statistical analyses of DGGE microbial diversity profiles indicate four clusters for Bacteria reflecting layered communities linked to the oxidant type whereas three clusters characterize Archaea communities that can be linked to both denitrifiers and methanogens. Independent sedimentary and biological proxies suggest that organic matter production and/or preservation have been lower during the Medieval Climate Anomaly (MCA) coinciding with a low microbial colonization of the sediments. Conversely, a reversed trend with higher organic matter content and substantial microbial activity characterizes the sediments deposited during the Little Ice Age (LIA). Thus, the initial sediments deposited during distinctive time intervals under contrasting environmental conditions have to be taken into account to understand their impact on the development of microbial communities throughout the sediments and their further imprint on early diagenetic signals.
    Type: info:eu-repo/semantics/workingPaper
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