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  • 1
    Online-Ressource
    Online-Ressource
    Cham :Springer International Publishing :
    Schlagwort(e): Biogeography. ; Physical geography. ; Microbial ecology. ; Bioorganic chemistry. ; Biogeosciences. ; Earth System Sciences. ; Microbial Ecology. ; Bioorganic Chemistry.
    Beschreibung / Inhaltsverzeichnis: Diversity and assembly of seep-associated microbial communities -- Anaerobic hydrocarbon-degrading sulfate-reducing bacteria at marine gas and oil seeps -- Guaymas Basin, a hydrothermal hydrocarbon seep ecosystem -- The Gulf of Mexico: An introductory survey of a seep-dominated seafloor landscape -- Benthic deep-sea life associated with asphaltic hydrocarbon emissions at Chapopote, southern Gulf of Mexico -- Archaea in Mediterranean Sea cold seep sediments and brine pools -- The microbial communities of the East Mediterranean Sea mud volcanoes and pockmarks -- Large sulfur-oxidizing bacteria at Gulf of Mexico hydrocarbon seeps -- Growth patterns of giant deep-sea Beggiatoaceae from a Guaymas Basin vent site -- Uncovering microbial hydrocarbon degradation processes: the promise of stable isotope probing.
    Kurzfassung: This book provides an up-to-date overview of the microbiology, biogeochemistry, and ecology of marine hydrocarbon seeps, a globally occurring habitat for specialized microorganisms and invertebrates that depend on natural hydrocarbon seepage as a food and energy source. Prominent examples include the briny hydrocarbon seeps and mud volcanoes on the continental slope of the Gulf of Mexico and in the Mediterranean, the hydrothermally heated hydrocarbon seeps at Guaymas Basin (Mexico), and the oil and gas seeps off the coast of California and in the Gulf of Mexico. Featuring topical chapters by leading researchers in the area, the book describes geological settings, chemical characteristics of hydrocarbon seepage, hydrocarbon-dependent microbial populations, and ecosystem structure and trophic networks at hydrocarbon seeps. Further, it also discusses applied aspects such as bioremediation potential (oil-degrading microorganisms).
    Materialart: Online-Ressource
    Seiten: XII, 199 p. 55 illus., 49 illus. in color. , online resource.
    Ausgabe: 1st ed. 2020.
    ISBN: 9783030348274
    Serie: Springer Oceanography,
    DDC: 578.09
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Schlagwort(e): Climatology. ; Environmental management. ; Energy policy. ; Energy and state. ; Sustainability. ; Climate Sciences. ; Environmental Management. ; Energy Policy, Economics and Management. ; Sustainability.
    Beschreibung / Inhaltsverzeichnis: Chapter 1: Science-based industry GHG targets, Nationally Determined Contributions (NDC) and the scientific status quo of climate change -- Chapter 2: Development of industry GHG emission and energy demand– past, present and future perspectives -- Chapter 3: Industry GHG target setting, Scope 1, 2 and 3 emissions – the concept -- Chapter 4: Modelling approaches -- Chapter 5: Main assumptions for Industry pathways -- Chapter 6: Renewable Process Heat -- Chapter 7: Renewable Fuels: Hydrogen-, Synthetic- and biofuels -- Chapter 8: Negative emissions: Nature-based-solutions -- Chapter 9: Industry energy pathways - Scenario results -- Chapter 10: Scope 3 industry emissions and future pathways -- Chapter 11: Mapping out Carbon Conservation and Protection Zones (CCPZ) -- Chapter 12: Discussion, Conclusions and Recommendations.
    Kurzfassung: This open access book is designed as a continuation of the editor’s 2019 book Achieving the Paris Climate Agreement Goals. This volume provides an in-depth analysis of industry sectors globally, and its purpose is to present emission reduction targets in 5-year steps (2025 to 2050) for the main twelve finance sectors per the Global Industry Classification System. This scientific analysis aims to support the United Nations Principles for Responsible Investment initiative to give sustainability guidance for the global finance industry. The industry sector pathways presented here are based on the latest global and regional 100% renewable energy and non-energy greenhouse gas Representative Concentration Pathways in order to keep climate change significantly under +1.5 C and thereby achieve the Paris Climate Agreement goals. The heart of this book is three chapters presenting the results of industry scenario modelling. These chapters cover twelve industry and service sectors as well as transportation and buildings. The specific energy demand and specific emissions are presented based on the emission accounting concept of “Scope 1, Scope 2 and Scope 3” emission pathways. This methodology has been developed to measure the climate and sustainability index for companies, and this research project expands the methodology to apply it to entire industry sectors. The results presented here are the first overall industry assessments under Scope 1, 2 and 3 from 2020 through 2050. The base for the energy pathways is the scenarios scenarios published in the previous volume. The nonenergy GHG emission scenarios, broken down to agriculture & forestry and industry, are detailed and include all major greenhouse gases and aerosols. The final section of the book presents the main conclusions of the industry pathway development work and recommendations for the finance industry and policy makers. Additionally, future qualitative future investment requirements in specific technologies and measures are presented.
    Materialart: Online-Ressource
    Seiten: LXXVIII, 384 p. 87 illus., 81 illus. in color. , online resource.
    Ausgabe: 1st ed. 2022.
    ISBN: 9783030991777
    DDC: 551.6
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Schlagwort(e): deep subsurface ; marine sediment ; deep biosphere ; ocean crust ; subseafloor sediment ; Methane ; Peru margin ; Hydrogen ; acetogenesis ; sulfate reduction ; microbiology
    Beschreibung / Inhaltsverzeichnis: Deep subsurface microbiology is a highly active and rapidly advancing research field at the interface of microbiology and the geosciences; it focuses on the detection, identification, quantification, cultivation and activity measurements of bacteria, archaea and eukaryotes that permeate the subsurface biosphere of deep marine sediments and the basaltic ocean and continental crust. The deep subsurface biosphere abounds with uncultured, only recently discovered and – at best - incompletely understood microbial populations. In spatial extent and volume, Earth’s subsurface biosphere is only rivaled by the deep sea water column. So far, no deep subsurface sediment has been found that is entirely devoid of microbial life; microbial cells and DNA remain detectable at sediment depths of more than 1 km; microbial life permeates deeply buried hydrocarbon reservoirs, and is also found several kilometers down in continental crust aquifers. Severe energy limitation, either as electron acceptor or donor shortage, and scarcity of microbially degradable organic carbon sources are among the evolutionary pressures that have shaped the genomic and physiological repertoire of the deep subsurface biosphere. Its biogeochemical role as long-term organic carbon repository, inorganic electron and energy source, and subduction recycling engine continues to be explored by current research at the interface of microbiology, geochemistry and biosphere/geosphere evolution. This Research Topic addresses some of the central research questions about deep subsurface microbiology and biogeochemistry: phylogenetic and physiological microbial diversity in the deep subsurface; microbial activity and survival strategies in severely energy-limited subsurface habitats; microbial activity as reflected in process rates and gene expression patterns; biogeographic isolation and connectivity in deep subsurface microbial communities; the ecological standing of subsurface biospheres in comparison to the surface biosphere – an independently flourishing biosphere, or mere survivors that tolerate burial (along with organic carbon compounds), or a combination of both? Advancing these questions on Earth’s deep subsurface biosphere redefines the habitat range, environmental tolerance, activity and diversity of microbial life.
    Seiten: Online-Ressource (303 Seiten)
    ISBN: 9782889195367
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Unbekannt
    Lausanne : Frontiers
    Schlagwort(e): hydrothermal vents ; extremophiles ; marine sediments ; Guaymas basin ; microbial biogeography ; microbiology
    Beschreibung / Inhaltsverzeichnis: Hydrothermally influenced microbial habitats and communities represent a much wider spectrum of geological setting, chemical in-situ regimes, and biotic community than the classical examples from basalt-hosted black smoker chimneys at active mid-ocean spreading centers. Hydrothermal vent ecosystems now include hydrothermally heated and chemically altered sediments, microbiota fueled by serpentinization reactions, and low-temperature vents with unusual menus of electron donors. Novel marine provinces and hydrothermal areas are being charted and explored, such as new hydrothermal vent systems in the Arctic, around Antarctica, in the Western Pacific and in the Indian Ocean. Novel environmental gradients and niches provide habitats for unusual or unprecedented microorganisms and microbial ecosystems. The discovery of novel extremophiles such as Aciduliprofundum and the Nanoarchaeota underscores that hydrothermal vent microbial communities can no longer be characterized as assemblages of only “typical” sulfur oxidizers, methanogens and heterotrophs. Different stages of hydrothermal activity, from early onset to peak activity, gradual decline, and persistence of cold and fossil vent sites, correspond to different colonization waves by microorganisms as well as megafauna. This research topic will continue to stretch the limits of hydrothermal vent microbiology, and also provide a forum for the chemical and microbial linkages of hydrothermal vents to the ocean water column and the ocean crust or sedimentary subsurface.
    Seiten: Online-Ressource (286 Seiten)
    ISBN: 9782889196821
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 27 (1979), S. 1171-1177 
    ISSN: 1520-5118
    Quelle: ACS Legacy Archives
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 22 (1974), S. 900-904 
    ISSN: 1520-5118
    Quelle: ACS Legacy Archives
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 39-40 (Dec. 1994), p. 107-112 
    ISSN: 1662-9779
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Physik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 175-178 (Nov. 1994), p. 133-136 
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    ISSN: 1432-1432
    Schlagwort(e): Key words: Protozoa — Flagellate —Ancyromonas—Apusomonas— Opisthokont — 18S small subunit ribosomal DNA — Phylogeny
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract. Molecular and morphological evidence points to the ancyromonad Ancyromonas as a plausible candidate for the closest relative to the common ancestor of metazoans, fungi, and choanoflagellates (the Opisthokonta). Using 18S rDNA sequences from most of the major eukaryotic lineages, maximum-likelihood, minimum-evolution, and maximum-parsimony analyses yielded congruent phylogenies supporting this hypothesis. Combined with ultrastructural similarities between Ancyromonas and opisthokonts, the evidence presented here suggests that Ancyromonas may form an independent lineage, the Ancyromonadida Cavalier-Smith 1997, closer in its relationship to the opisthokonts than is its nearest protist relatives, the Apusomonadida. However, the very low bootstrap support for deep nodes and hypothesis testing indicate that the resolving power of 18S rDNA sequences is limited for examining this aspect of eukaryotic phylogeny. Alternate branching positions for the Ancyromonas lineage cannot be robustly rejected, revealing the importance of ultrastructure when examining the origins of multicellularity. The future use of a multigene approach may additionally be needed to resolve this aspect of eukaryotic phylogeny.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    ISSN: 1432-072X
    Schlagwort(e): Key words Anaerobic sulfate reduction ; Incomplete ; propionate oxidation ; Marine environment ; Low ; temperature ; Psychrophilic bacteria ; Growth yields ; Desulforhopalus vacuolatus
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A new type of gas-vacuolated, sulfate-reducing bacterium was isolated at 10° C from reduced mud (E0 〈 0) obtained from a temperate estuary with thiosulfate and lactate as substrates. The strain was moderately psychrophilic with optimum growth at 18–19° C and a maximum growth temperature of 24° C. Propionate, lactate, and alcohols served as electron donors and carbon sources. The organism grew heterotrophically only with hydrogen as electron donor. Propionate and lactate were incompletely oxidized to acetate; traces of lactate were fermented to propionate, CO2, and possibly acetate in the presence of sulfate. Pyruvate was utilized both with and without an electron acceptor present. The strain did not contain desulfoviridin. The G+C content was 48.4 mol%. The differences in the 16S rRNA sequence of the isolate compared with that of its closest phylogenetic neighbors, bacteria of the genus Desulfobulbus, support the assignment of the isolate to a new genus. The isolate is described as the type strain of the new species and genus, Desulforhopalus vacuolatus.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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