Environmental Controls of Phytoplankton Community Structure in the Santa Barbara Channel, California PDF Download
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Author: Clarissa Ruth Anderson
Publisher: ProQuest
ISBN: 9780549152514
Category :
Languages : en
Pages : 332
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Book Description
The toxigenic bloom of May 2003 was predominantly comprised of the diatom Pseudo-nitzschia australis. Satellite imagery revealed the presence of the bloom prior to a period of strong, spring upwelling along the continental shelf of the SBC. Following upwelling, the bloom increased in areal extent to cover most of the SBC. Pseudo-nitzchia australis abundance ranged from 0.4 x 105--2 x 10 6 cells L-1 with particulate domoic acid (DA) concentrations between 32 and 1,684 ng L-1. Significant negative correlations between silicic acid, Si(OH)4:NO3- and Si(OH)4:PO43- ratios, and particulate DA suggest that the bloom may have been experiencing Si limitation. High cell abundance and the highest levels of cellular DA (0.14--2.1 pg cell-1) were associated with a cyclonic eddy in the western end of the SBC. Cyclonic eddies within the SBC are known to be convergent which may have concentrated P. australis cells within this feature. Propagation of the eddy transported the bloom to the west indicating that coherent circulation features may help predict the fate of harmful algal blooms in coastal systems.
Author: Clarissa Ruth Anderson
Publisher: ProQuest
ISBN: 9780549152514
Category :
Languages : en
Pages : 332
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Book Description
The toxigenic bloom of May 2003 was predominantly comprised of the diatom Pseudo-nitzschia australis. Satellite imagery revealed the presence of the bloom prior to a period of strong, spring upwelling along the continental shelf of the SBC. Following upwelling, the bloom increased in areal extent to cover most of the SBC. Pseudo-nitzchia australis abundance ranged from 0.4 x 105--2 x 10 6 cells L-1 with particulate domoic acid (DA) concentrations between 32 and 1,684 ng L-1. Significant negative correlations between silicic acid, Si(OH)4:NO3- and Si(OH)4:PO43- ratios, and particulate DA suggest that the bloom may have been experiencing Si limitation. High cell abundance and the highest levels of cellular DA (0.14--2.1 pg cell-1) were associated with a cyclonic eddy in the western end of the SBC. Cyclonic eddies within the SBC are known to be convergent which may have concentrated P. australis cells within this feature. Propagation of the eddy transported the bloom to the west indicating that coherent circulation features may help predict the fate of harmful algal blooms in coastal systems.
Author: Joel E. Kostka
Publisher: Frontiers Media SA
ISBN: 2889193462
Category : Microbiology
Languages : en
Pages : 196
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Book Description
Biodegradation mediated by indigenous microbial communities is the ultimate fate of the majority of oil hydrocarbon that enters the marine environment. The aim of this Research Topic is to highlight recent advances in our knowledge of the pathways and controls of microbially-catalyzed hydrocarbon degradation in marine ecosystems, with emphasis on the response of microbial communities to the Deepwater Horizon oil spill in the Gulf of Mexico. In this Research Topic, we encouraged original research and reviews on the ecology of hydrocarbon-degrading bacteria, the rates and mechanisms of biodegradation, and the bioremediation of discharged oil under situ as well as near in situ conditions.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 320
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Book Description
Author: Richard Armstrong
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Kristina Dee Anne Mojica
Publisher: Frontiers Media SA
ISBN: 288971652X
Category : Science
Languages : en
Pages : 314
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Book Description
Author: Sandra E. Shumway
Publisher: John Wiley & Sons
ISBN: 1118994698
Category : Science
Languages : en
Pages : 699
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Book Description
Harmful Algal Blooms: A Compendium Desk Reference erläutert die Grundlagen der schädlichen Algenblüte (HAB) und bietet die notwendigen technischen Informationen, wenn es um unerwartete oder unbekannte schädliche Ereignisse in Zusammenhang mit Algen geht. Dieses Fachbuch behandelt die Gründe für die schädliche Algenblüte, erfolgreiche Management- und Monitoring-Programme, Kontroll-, Präventions- und Minderungsstrategien, die wirtschaftlichen Folgen, Gesundheitsrisiken sowie die Folgen für die Nahrungskette und Ökosysteme. Darüber hinaus bietet es ausführliche Informationen zu den häufigsten HAB-Arten. Harmful Algal Blooms: A Compendium Desk Reference ist ein unschätzbares Referenzwerk für Manager, Einsteiger in das Fachgebiet, Praktiker mit eingeschränkten Zugang zu wissenschaftlicher Literatur und alle, die schnell Zugriff auf Informationen benötigen, insbesondere vor dem Hintergrund neuartiger oder unerwarteter HAB-Ereignisse. Die drei Herausgeber gehören zu den weltweit führenden Forschern auf dem Fachgebiet. Führende Experten haben ebenfalls zu diesem Fachbuch beigetragen, das sich zu einem wichtigen Referenzwerk des Fachgebiets entwickeln wird, zumal das Thema immer mehr an Bedeutung gewinnt.
Author:
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ISBN:
Category : Fisheries
Languages : en
Pages : 408
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Book Description
Author:
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ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 980
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Book Description
Author: Environmental Monitoring and Support Laboratory (Las Vegas, Nev.). Water and Land Quality Branch
Publisher:
ISBN:
Category : Phytoplankton
Languages : en
Pages : 80
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Book Description
Author: Michael J. Kennish
Publisher: CRC Press
ISBN: 9780849319600
Category : Science
Languages : en
Pages : 324
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Book Description
The ongoing growth of human populations within US coastal regions continues to increase habitat loss, eutrophication, organic loading, overfishing, and other anthropogenic stressors in estuarine waters. The National Estuarine Research Reserve System (NERRS) is a federally funded initiative that addresses these critical estuarine problems and coastal resource issues at 25 sites in 21 states. Now estuarine and watershed scientists, resource managers, community planners, and other professionals dealing with coastal zone issues have an expert resource describing the NERRS program, organization, goals, and management strategy. Estuarine Research, Monitoring, and Restoration first defines the components and technical aspects of the NERRS program, then provides valuable insight into the program through the presentation of six case studies of NERRS sites. This book examines estuarine problems including degraded water quality, reduction of biodiversity, and problematic invasive species, then analyzes the human impacts affecting estuaries. The comprehensive analysis of the six estuarine reserve locations characterizes each region's physical, chemical, and biological conditions from the perspective of the NERRS program. These case studies include a cross section of sites from three coasts, each study emphasizing the importance of unified efforts of government and citizens to successfully maintain the ecology of these critical areas.
