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Saturday, July 18, 2020 | History

1 edition of Heterotrophic Activity in the Sea found in the catalog.

Heterotrophic Activity in the Sea

by John E. Hobbie

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  • 1 Currently reading

Published by Springer US in Boston, MA .
Written in English

    Subjects:
  • Physics

  • Edition Notes

    Statementedited by John E. Hobbie, Peter J. leB. Williams
    SeriesNATO Conference Series, IV Marine Sciences -- 15, NATO conference series -- 15.
    ContributionsWilliams, Peter J. leB
    Classifications
    LC ClassificationsQC1-75
    The Physical Object
    Format[electronic resource] /
    Pagination1 online resource (569 pages).
    Number of Pages569
    ID Numbers
    Open LibraryOL27043332M
    ISBN 101468490109
    ISBN 109781468490107
    OCLC/WorldCa840289908

    Since Robertson et al. discovered that Thisphaera pantotropha had heterotrophic nitrification ability in , researchers have discovered a variety of heterotrophic nitrifying microorganisms with nitrification activity in soil, sludge, lake water, and the deep : Qi-yu Zhang, Ping Yang, Lai-sheng Liu, Zeng-jin Liu.   In 20 L experimental microcosms filled with water from a high-Arctic fjord (Svalbard), we examined changes in phototrophic and heterotrophic microbial abundances and processes [bacterial production (BP) and mortality], and viral activity (lytic and lysogenic) in relation to .

      Ocean acidification (OA), a consequence of increased global carbon dioxide (CO2) emissions, is considered a major threat to marine ecosystems. Its effects on bacterioplankton activity, diversity and community composition have received considerable attention. However, the direct impact of OA on heterotrophic bacterioplankton is often masked by the significant response of phytoplankton . Probably one of the most important types of bacteria, cyanobacteria are known to be aquatic and live in large colonies. Cyanobacteria contribute a lot to our planet. For example, Earth’s oxygen is mainly composed from vast amounts of cyanobacteria. Even more interesting is that cyanobacteria also contributes to the development of plants. The.

    Field investigation of the marine phosphorus (P) cycle requires the use of a variety of methods to measure the ambient concentrations of total dissolved and particulate (both organic and inorganic) matter to assess local inventories of P and to estimate P fluxes. The latter include the delivery to and losses from the ecosystem in question and the rates of microbial P uptake and microbial Cited by: vi HPC and Drinking-water Safety 8 Infections from HPC organisms in drinking-water amongst the Immunocompromised A. Glasmacher, S. Engelhart and M. Exner 9 Methods to identify and enumerate frank and opportunistic bacterial pathogens in water and biofilms N.J. Ashbolt 10 Conditions favouring coliform and HPC bacterial growth in drinking-water and on water contact surfaces.


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Heterotrophic Activity in the Sea by John E. Hobbie Download PDF EPUB FB2

Introduction This book contains papers given at a NATO Advanced Research Institute (A.R.I.) held at Caiscais, Portugal, in November, The subject of the A.R.I. was marine heterotrophy; this is defined as the process by which the carbon autotrophically fixed into organic compounds byBrand: Springer US.

: Heterotrophic Activity in the Sea (Nato Conference Series) (): Peter Williams, John E. Hobbie: Books. Get this from a library. Heterotrophic Activity in the Sea. [John E Hobbie; Peter J leB Williams] -- Introduction This book contains papers given at a NATO Advanced Research Institute (A.R.I.) held at Caiscais, Portugal, in November, The subject of the A.R.I.

was marine heterotrophy; this is. ISBN: OCLC Number: Notes: "Proceedings of a NATO Advanced Research Institute on Microbial Metabolism and the Cycling of Organic Matter in the Sea, held November in Cascais, Portugal"--Title page verso. Introduction This book contains papers given at a NATO Advanced Research Institute (A.R.I.) held at Caiscais, Portugal, in November, The subject of the A.R.I.

was marine heterotrophy; this is defined as the process by which the carbon autotrophically fixed into organic compounds by photosynthesis is transformed and respired.

(In this study the term “microbial activity” will be restricted to the breakdown of dissolved organic substances by heterotrophic microorganisms and the resulting formation of microbial biomass). In some cases the number, or even better, the biomass of the active microorganisms is.

Autotrophic and heterotrophic activity in Arctic first-year sea ice: Seasonal study from Malene Bight, SW Greenland Article (PDF Available) in Marine Ecology Progress Series November.

abundance, activity, diversity, community structure, and interaction of heterotrophic bacterioplankton in the low ‐ latitude warm ocean. An increase in genes involved in carbon degradation and. We present a study of autotrophic and heterotrophic activities of Arctic sea ice (Malene Bight, SW Greenland) as measured by 2 different approaches: (1) standard incubation techniques (H14CO3- and [3H]thymidine incubation) on sea ice cores brought to the laboratory and (2) cores incubated in situ in plastic bags with subsequent melting and measurements of changes in total O2 by: the readership of the book as it apparently did during and after the meeting.

Heterotrophic activity in the sea summarizes the progress made in the last decade when marine microbiology became an integral and increas- ingly important part of biological oceanography. SomeAuthor: Peter A. Jumars.

Living organisms that are heterotrophic include all animals and fungi, some bacteria and protists, and many parasitic plants. The term heterotroph arose in microbiology in as part of a classification of microorganisms based on their type of nutrition.

The term is now used in many fields, such as ecology in describing the food chain. A Manual of Chemical & Biological Methods for Seawater Analysis. Book • Authors: TIMOTHY R. PARSONS, YOSHIAKI MAITA and CAROL M. LALLI.

Browse book content. About the book. Search in this book. Search in this book. Browse content Table of contents. Select all Front Matter. Heterotrophic Activity (as Measured by Glucose Uptake) Pages. The Ross Sea is one of the most productive areas of the Southern Ocean and includes several functionally different marine ecosystems.

With the aim of identifying signs and patterns of microbial response to current climate change, seawater microbial populations were sampled at different depths, from surface to the bottom, at two Ross Sea mooring areas southeast of Victoria Land in : Maurizio Azzaro, Theodore T. Packard, Luis Salvador Monticelli, Giovanna Maimone, Alessandro Ciro Ra.

Chlorella grown via photosynthesis in open pond systems is commonly used today for supplements, while its utilization as a protein source in mainstream foods has been hampered by a strong flavor and lack of consistent, high-quality supply.

In contrast, heterotrophic microalgae grown in a contained fermentation process can be precisely controlled to produce protein in a matter of days that is Cited by: 6.

Free-living flagellates have recently been recognized as the most important consumers in aquatic ecosystems and are of direct relevance to all systems ecologists, aquatic biologists, and researchers into the Greenhouse effect. There has been no synthesis of this area before, thus this volume provides the first cohesive and authoritative account of this important field.

The book will be of. This study investigated the short-term inhibitory effects of 8 chlorinated compounds on aquatic microorganism heterotrophic activity.

A technique involving the measurement of substrate uptake rates using radio-actively labeled glucose was employed. All compounds studied have been identified as foreign pollutants in aquatic environments and include the highly toxic ones DDT, dieldrin and a PCB.

ABSTRACT: The abundance and activity of heterotrophic and autotrophic organisms were determined in the surface microlayer (SML) at marine and estuarine sites in the NW Mediterranean Sea from May to July At all study sites, community respiration in the SML exceeded that in the subsurface water (SSW) by factors between and Cited by: Pelagic ecosystem structure: Heterotrophic compartments of used in preparing a book on all the uni- cellular microorganisms, both procaryote and eucaryote, that inhabit the sea (Sie- dicate a far greater heterotrophic micro- bial activity than is obtained by heterotrophic potential procedures (Sie- burth b), at rates similar to Cited by: The antimicrobial activity of heterotrophic bacteria isolated from the marine sponge Erylus deficiens (Astrophorida, Geodiidae) Ana Patrícia Graça, 1, 2 Flávia Viana, 1, 3 Joana Bondoso, 1, 2 Maria Inês Correia, 1 Luis Gomes, 1 Madalena Humanes, 3 Alberto Reis, 4 Joana R.

Xavier, 5 Helena Gaspar, 3 and Olga M. Lage 1, 2, *Cited by: Sea Ice Microbial Communities (SIMCO) refer to groups of microorganisms living within and at the interfaces of sea ice at the poles.

The ice matrix they inhabit has strong vertical gradients of salinity, light, temperature and nutrients. Sea ice chemistry is most influenced by the salinity of the brine which affects the pH and the concentration of dissolved nutrients and gases.

Microbial heterotrophic metabolic rates constrain the microbial carbon pump. Robinson The respiration of dissolved organic matter by heterotrophic bacteria and Archaea represents the largest sink in the global marine biological carbon cycle, an important constraint on organic carbon supply, and the major driver of global elemental nutrient.Our results suggest that autotrophic and heterotrophic members of the picoplankton community are an important carbon source in the food web in the deep-sea, as well as in the epipelagic layer.

Besides, viral lysis may affect the activity of the picoplankton community and enrich the Cited by: 1.Marine planktonic microorganisms, including Bacteria, Archaea, Protozoans (Protists), and Viruses, all play critically important roles in marine ecosystems and global biogeochemical cycles.

This chapter focuses on the non-photosynthetic marine plankton organisms, and summarizes information on what organisms are present in the ocean, their diversity, distributions, activities and by: 4.