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  • 1
    Online Resource
    Online Resource
    Climate Change and Estuaries. (2023)
    Milton :Taylor & Francis Group,
    Details
    Keywords: Estuaries-Management. ; Climatic changes. ; Marine ecology-Management. ; Electronic books.
    Description / Table of Contents: Climate change is having an increasing impact on estuarine and marine environments worldwide. This handbook provides state-of-the-art coverage of climate change effects on estuarine ecosystems from local, regional, and global perspectives.
    Type of Medium: Online Resource
    Pages: 1 online resource (684 pages)
    Edition: 1st ed.
    ISBN: 9781000917833
    Series Statement: CRC Marine Science Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=7273717
    DDC: 577.7/86
    Language: English
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  • 2
    Online Resource
    Online Resource
    Coastal Lagoons : Critical Habitats of Environmental Change. (2010)
    Milton :Taylor & Francis Group,
    Details
    Keywords: Lagoon ecology. ; Coast changes. ; Electronic books.
    Description / Table of Contents: Written by an internationally renowned group of contributors, this book examines the function and structure of coastal lagoon ecosystems and the factors that affect them. The volume represents a wide array of studies on natural and anthropogenic drivers of change in coastal lagoons located in different regions of the world. Although a significant number of journal articles on the subject can be found in the literature, this book provides a single-source reference for coastal lagoons within the arena of the global environment.
    Type of Medium: Online Resource
    Pages: 1 online resource (578 pages)
    Edition: 1st ed.
    ISBN: 9781420088311
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1446806
    DDC: 577.7/8
    Language: English
    Note: Front cover -- Contents -- Preface -- The Editors -- Contributors -- Chapter 1: Coastal Lagoons Critical Habitats of Environmental Change -- Chapter 2: Assessing the Response ofthe Pamlico Sound, North Carolina, USA to Human and Climatic Disturbances -- Chapter 3: Sources and Fates of Nitrogen in Virginia Coastal Bays -- Chapter 4: Ecosystem Health Indexed through Networks of Nitrogen Cycling -- Chapter 5 Blooms in Lagoons:Different from Those of River-Dominated Estuaries -- Chapter 6: Relationship between Macroinfaunal Diversity and Community Stability, anda Disturbance Caused by a Persistent Brown Tide Bloomin Laguna Madre, Texas -- Chapter 7: The Choptank Basin in Transition -- Chapter 8: Seagrass Decline in New Jersey Coastal Lagoons -- Chapter 9: Controls Acting on Benthic Macrophyte Communities in a Temperate and a Tropical Estuary -- Chapter 10: Phase Shifts, Alternative Stable States, and the Status of Southern California Lagoons -- Chapter 11: Lagoons of the Nile Delta -- Chapter 12: Origins and Fate of Inorganic Nitrogen from Landto Coastal Ocean on the Yucatan Peninsula, Mexico -- Chapter 13: Subtropical Karstic Coastal Lagoon Assessment,Southeast Mexico -- Chapter 14: Seasonal and Interannual Variability of Planktonic Microbes in a Mesotidal Coastal Lagoon (Ria Formosa, SE Portugal) -- Chapter 15: A Comparison of Eutrophication Processes in Three ChineseSubtropical Semi-Enclosed Embayments with Different Buffering Capacities -- Chapter 16: The Wadden SeaA Coastal Ecosystem under Continuous Change -- Chapter 17: The Patos Lagoon Estuary, Southern Brazil -- Chapter 18: Structure and Function of Warm Temperate East Australian Coastal Lagoons -- Chapter 19: Response of the Venice Lagoon Ecosystem to Natural and Anthropogenic Pressures over the Last 50 Years. , Chapter 20: Effect of Freshwater Inflow on Nutrient Loading and Macrobenthos Secondary Production in Texas Lagoons -- Index -- Back cover.
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  • 3
    Book
    Book
    Climate change and estuaries (2024)
    Boca Raton, FL : CRC Press
    Details Availability
    Keywords: Estuaries Management ; Estuarine ecology ; Climatic changes ; Marine ecology Management
    Description / Table of Contents: "Climate change is having an increasing impact on estuarine and marine environments worldwide. This handbook provides state-of-the-art coverage of climate change effects on estuarine ecosystems from local, regional, and global perspectives. Comprised of chapters prepared by world leaders in estuarine and marine science, climate change, and coastal management, it comprises an extensive international collection of data in tabular, illustrated, and narrative formats useful for coastal scientists, planners, and managers. Consisting of three sections: (1) physical-chemical aspects; (2) biological aspects; and (3) management aspects, the book not only examines climatic and non-climatic drivers of change affecting estuarine environments but also their interactions and effects on populations of organisms, communities, habitats, and ecosystem structure and function. Pulling together today's most salient issues and key literature advances for those concerned with coastal management, it allows the reader to see across direct and indirect interactions among disciplinary and ecosystem boundaries. Climate Change and Estuaries meets the research needs of estuarine and marine biologists, marine chemists, marine geologists, hydrologists, and coastal engineers, while students, professors, academic administrators, and other professionals will also find it an exhaustive reference"--
    Type of Medium: Book
    Pages: pages cm
    ISBN: 9780367647520 , 9780367647537
    Series Statement: CRC marine science
    DDC: 577.7/86
    Language: English
    Note: Includes bibliographical references and index
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  • 4
    Electronic Resource
    Electronic Resource
    Light absorption by phytoplankton and chromophoric dissolved organic matter in the drainage basin and estuary of the Neuse River, North Carolina (U.S.A.) (2005)
    Oxford, UK : Blackwell Science Ltd
    Freshwater biology 50 (2005), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: 1. We examined the absorption of solar radiation by phytoplankton and chromophoric dissolved organic matter (CDOM) taking into account riparian shading in the rivers, reservoirs, swamps of the Neuse River Estuary and its drainage basin.2. In the streams, CDOM typically absorbed 55 and 64% of photons in the spectral range of 400–700 nm (photosynthetically active radiation, PAR) and 500–600 nm, respectively. The large proportion of photons absorbed by CDOM indicates high potential for abiotic photochemial reactions in the 500–600 nm region.3. Despite the high concentration of nutrients, phytoplankton contributed little (2%) to the total absorption of PAR in the streams. Small (〈30 m wide) streams typically received only 7% of incident PAR that impinged onto the more exposed reservoirs and estuary. Riparian shading and the low contribution of phytoplankton to the total absorption resulted in conditions where phytoplankton absorbed nearly two orders of magnitude less PAR in the streams than in the estuary and reservoirs.4. The results indicated that riparian shading and non-algal absorbing components can significantly restrict phytoplankton production in nutrient-rich streams with a high concentration of CDOM flowing throughout forested catchments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2427.2004.01335.x
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  • 5
    Electronic Resource
    Electronic Resource
    Ecology of Blue-Green Algae in Aquaculture Ponds (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 26 (1995), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Cyanobacteria (blue-green algae) in the genera Anabaena, Aphanizomenon, Microcystis, and Oscillatoria often form extensive and persistent blooms in freshwater aquaculture ponds. Bloom-forming cyanobacteria are undesirable in aquaculture ponds because: 1) they are a relatively poor base for aquatic food chains; 2) they are poor oxygenators of the water and have undesirable growth habits; 3) some species produce odorous metabolites that impart undesirable flavors to the cultured animal; and 4) some species may produce compounds that are toxic to aquatic animals. Development of cyanobacterial blooms is favored under conditions of high nutrient loading rates (particularly if the availability of nitrogen is limited relative to phosphorus), low rates of vertical mixing, and warm water temperatures. Under those conditions, dominance of phytoplankton communities by cyanobacteria is the result of certain unique physiological attributes (in particular, N2 fixation and buoyancy regulation) that allow cyanobacteria to compete effectively with other phytoplankton. The ability to fix N2 provides a competitive advantage under severe nitrogen limitation because it allows certain cyanobacterial species to make use of a source of nitrogen unavailable to other phytoplankton. The ability to regulate cell buoyancy through environmentally-controlled collapse ad reformation of intracellular gas vacuoles is perhaps the primary reason for the frequent dominance of aquaculture pond phytoplankton communities by cyanobacteria. Cyanobacteria that can regulate their position in the water column gain a distinct advantage over other phototrophs in poorly mixed bodies of water. In addition to the physicochemical interactions that influence phytoplankton community dynamics, cyanobacterial-microbial associations may play an important regulatory role in determining community structure. Cyanobacteria are always found in close association with a diverse array of microorganisms, including eubacteria, fungi, and protozoans. These associations, which in the past have often been viewed as antagonistic, are increasingly seen as mutualistic and may function in a positive manner during bloom development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.1995.tb00235.x
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  • 6
    Electronic Resource
    Electronic Resource
    Microbial indicators of aquatic ecosystem change: current applications to eutrophication studies (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 46 (2003), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Human encroachment on aquatic ecosystems is increasing at an unprecedented rate. The impacts of human pollution and habitat alteration are most evident and of greatest concern at the microbial level, where a bulk of production and nutrient cycling takes place. Aquatic ecosystems are additionally affected by natural perturbations, including droughts, storms, and floods, the frequency and extent of which may be increasing. Distinguishing and integrating the impacts of natural and human stressors is essential for understanding environmentally driven change of microbial diversity and function. Microbial bioindicators play a major role in detecting and characterizing these changes. Complementary use of analytical and molecular indicator tools shows great promise in helping us clarify the processes underlying microbial population, community, and ecosystem change in response to environmental perturbations. This is illustrated in phytoplankton (microalgal and cyanobacterial) and bacterial community changes in a range of US estuarine and coastal ecosystems experiencing increasing development in their water- and airsheds as well as climatic changes (e.g., increasing hurricane frequency). Microbial indicators can be adapted to a range of monitoring programs, including ferries, moored instrumentation, and remote sensing, in order to evaluate environmental controls on microbial community structure and function over ecosystem to global scales.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0168-6496(03)00200-9
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  • 7
    Electronic Resource
    Electronic Resource
    Ecological rationale for H2 metabolism during aquatic blooms of the cyanobacterium Anabaena (1980)
    Springer
    Oecologia 47 (1980), S. 43-45 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Nitrogenase-produced H2 serves to remove excess intracellular O2 during vigorous growth periods (blooms) of the nuisance cyanobacterium Anabaena. In two naturally-occurring species, A. oscillarioides and A. spiroides, nitrogen fixation (acetylene reduction) showed a high degree of resistance to O2 inactivation. Under the influence of supersaturated O2 concentrations, commonly encountered in lake blooms, elevated cellular ATP levels and enhanced uptake hydrogenase and nitrogenase activities were observed in actively growing filaments. Oxygen enhancement of nitrogenase activity appears mediated through localized uptake hydrogenase reactions. Hydrogen assimilated by hydrogenase is combined with O2 in a “Knallgas” reaction, leading to the formation of H2O and ATP via a respiratory chain. This combination of activities appears poised at O2 removal and allows Anabaena to dominate O2 supersaturated surface waters while maintaining optimal nitrogenase activity. Hence, instead of being a wasteful dissipation of reducing power, H2 evolution via nitrogenase ultimately affords protection from O2 while constituting a source of ATP through subsequent H2 metabolism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541774
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  • 8
    Electronic Resource
    Electronic Resource
    Enhanced biodegradation of diesel fuel through the addition of particulate organic carbon and inorganic nutrients in coastal marine waters (1996)
    Springer
    Biodegradation 7 (1996), S. 239-247 
    Details
    ISSN: 1572-9729
    Keywords: biodegradation ; diesel fuel ; marine & particulate organic carbon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Diesel fuel pollution in coastal waters, resulting from recreational boating and commercial shipping operations, is common and can adversely affect marine biota. The purpose of this study was to examine the effect of additions of particulate organic carbon (POC) in the form of naturally-occurring marsh grass (Spartina alterniflora), inorganic nutrients (nitrogen and phosphorus), inert particles, and dissolved organic carbon (DOC) on diesel fuel biodegradation and to attempt to formulate an effective bioremedial treatment for small diesel fuel spills in marine waters. Various combinations of treatments were added to water samples from a coastal marina to stimulate diesel fuel biodegradation. Diesel fuel was added in concentrations approximating those found in a spill and biodegradation of straight chain aliphatic constituents was estimated by measuring mineralization of 14C hexadecane added to diesel fuel. All treatments that included POC showed stimulation of biodegradation. However, the addition of inert particles (glass fiber filters and nylon screening) caused no stimulation of biodegradation. The addition of nitrogen and phosphorus alone did not result in stimulation of biodegradation, but nitrogen and Spartina (although not phosphorus and Spartina) did result in stimulation above that of Spartina alone. Maximum biodegradation rates were obtained by the addition of the Spartina POC, ammonium, and phosphate. The addition of mannitol, a labile DOC source with POC and phosphate resulted in a decrease in diesel fuel biodegradation as compared to POC and phosphate alone. The seasonal pattern of diesel fuel biodegradation showed a maximum in the summer and a minimum in the winter. Therefore, of the treatments tested, the most effective for bioremediation of diesel fuel in marine waters is the addition of POC, nitrogen, and phosphorus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00058183
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  • 9
    Electronic Resource
    Electronic Resource
    Control of nitrogen fixation by oxygen depletion in surface-associated microzones (1988)
    [s.l.] : Nature Publishing Group
    Nature 332 (1988), S. 260-262 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nutrient analyses and nutrient addition bioassays have characterized North Carolina's full salinity (32-34 ppt) Atlantic Coastal waters as chronically nitrogen-limited all year round8"10. Near-surface water samples were routinely collected during 1984-1987 at a location 1 km outside Beaufort Inlet, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/332260a0
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  • 10
    Electronic Resource
    Electronic Resource
    Enhancement of marine primary production by nitrogen-enriched acid rain (1985)
    [s.l.] : Nature Publishing Group
    Nature 315 (1985), S. 747-749 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nutrient limitation and impacts of rainfall on phytoplankton growth were examined at three Atlantic Ocean locations on the east coast of North Carolina. Bogue Sound, a euhaline (30-34 parts per 103 (p.p.t)) sound separating the mainland from a barrier island (Bogue Island) served as an inshore ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/315747a0
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