Identifying Harmful Marine Dinoflagellates
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Identifying Harmful Marine Dinoflagellates
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Author : Maria A. Faust
language : en
Publisher:
Release Date : 2002
Identifying Harmful Marine Dinoflagellates written by Maria A. Faust and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Dinoflagellate blooms categories.
"A taxonomic identification and reference guide of 48 harmful marine dinoflagellate species present in the world's oceans. This guidebook illustrates the morphology and taxonomy of ... the following genera: Alexandrium, Dinophysis, Gymnodinium, Ostreopsis, Prorocentrum, Coolia, Cochlodinium, Gambierdiscus, Gonyaulax, Gyrodinium, Lingulodinium, and Pfiesteria"--Abstract.
Marine Dinoflagellates
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Author : R. Santhanam
language : en
Publisher: Nova Science Pub Incorporated
Release Date : 2015-03
Marine Dinoflagellates written by R. Santhanam and has been published by Nova Science Pub Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03 with Science categories.
Marine dinoflagellates, one of the most important components in phytoplankton are receiving much attention owing to their toxicity. They are responsible for causing toxic blooms and associated poisonings such as Paralytic shellfish poisoning (PSP), Neurotoxic shellfish poisoning (NSP), Diarrhetic shellfish poisoning (DSP), Azaspiracid shellfish poisoning (ASP) and Ciguatera fish poisoning (CFP) in humans all over the world. However, recent research has shown that such toxins could be of great use therapeutically. Aspects such as the identification of dinoflagellate species; harmful dinoflagelllate blooms and associated poisonings as well as their bioluminescence and biotechnological applications have been dealt with in detail. A comprehensive book on marine dinoflagellates is hitherto wanted and needed, and it is hoped that the present publication would cater to the needs of students of life science disciplines in general and marine biology and fisheries science disciplines in particular.
Identifying Marine Diatoms And Dinoflagellates
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Author : Grethe R. Hasle
language : en
Publisher: Elsevier
Release Date : 1996-01-25
Identifying Marine Diatoms And Dinoflagellates written by Grethe R. Hasle and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-01-25 with Science categories.
Identifying Marine Diatoms and Dinoflagellates is the second identification manual created from the literature developed for the Advanced International Phytoplankton Course. This version, enlarged and modified from the earlier literature, deals with the identification of marine diatoms and dinoflagellates. The data and references presented here should allow the researcher to pursue the question of valid species and how they can be verified. This volume comprises three chapters, beginning with an introductory chapter discussing the subject's historical background. The next chapter focuses on marine diatoms, providing an introduction that describes their general characteristics, life cycles, morphology and terminology, and classification. It is followed by a discussion of genera represented in marine plankton, a description of taxa, and methodology. The third and final chapter focuses on dinoflagellates, beginning with an introduction that describes their general characteristics and eukaryotic unicells. The discussion continues with terminology and morphology, identification of species, techniques for preparation of dinoflagellates for identification, common dinoflagellate synonyms, and an index of dinoflagellate taxa. This book will be of interest to practitioners in the fields of biology, zoology, and environmental protection.
Harmful Marine Dinoflagellates Dinophyceae Of Malaysia Including New Records Of Taxa Based On Morphology And Molecular
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Author : Toh Hii Tan
language : en
Publisher:
Release Date : 2012
Harmful Marine Dinoflagellates Dinophyceae Of Malaysia Including New Records Of Taxa Based On Morphology And Molecular written by Toh Hii Tan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Dinoflagellates categories.
Dinoflagellates are eukaryotic biflagellated, unicellular organisms that can be found in both freshwater and marine habitats. Several species are harmful as they produce potent neurotoxins; cause unusual blooming phenomena in the marine environment. In Malaysia, harmful algal blooms (HABs) event was first reported in 1976. Since then several studies on HABs have been undertaken, focusing mainly in areas where poisoning cases were reported.
Investigation Of The Toxins Produced By Marine Dinoflagellates
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Author : JoAnn Lynn Whitefleet-Smith
language : en
Publisher:
Release Date : 1984
Investigation Of The Toxins Produced By Marine Dinoflagellates written by JoAnn Lynn Whitefleet-Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Dinoflagellates categories.
Toxic Dinoflagellates
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Author : Donald Mark Anderson
language : en
Publisher: Elsevier Publishing Company
Release Date : 1985
Toxic Dinoflagellates written by Donald Mark Anderson and has been published by Elsevier Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Medical categories.
Proceedings Of The First International Conference On Toxic Dinoflagellate Blooms
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Author : Vincent LoCicero
language : en
Publisher:
Release Date : 1975
Proceedings Of The First International Conference On Toxic Dinoflagellate Blooms written by Vincent LoCicero and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Dinoflagellates categories.
Tropical Marine Diatoms And Dinoflagellates Iium Press
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Author : Normawaty Mohammad Noor
language : en
Publisher: IIUM PRESS
Release Date : 2023-11-29
Tropical Marine Diatoms And Dinoflagellates Iium Press written by Normawaty Mohammad Noor and has been published by IIUM PRESS this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-29 with Science categories.
In this book, each phytoplankton species is featured with its own description, and most are illustrated with micrographs using LM. Scanning electron microscopy (SEM) is also used but only for a very limited number of samples. For some organisms that are difficult to be identified to the species level using LM, they are described at the genus level. The classification used in this book is in accordance with taxonomic books such as by Hoppenrath et al. (2009), Tomas (1997), Allen and Cupp (1935), and Jensen and Moestrup (1998). It is hoped that the information provided in this book will be helpful in the understanding and identification of diatom and dinoflagellate species.
Trophic Interactions And Psp Toxin Transport In Marine Food Chains During Harmful Algal Blooms Of The Dinoflagellate Alexandrium Fundyense
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Author : Christian Marie Petitpas
language : en
Publisher:
Release Date : 2015
Trophic Interactions And Psp Toxin Transport In Marine Food Chains During Harmful Algal Blooms Of The Dinoflagellate Alexandrium Fundyense written by Christian Marie Petitpas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Alexandrium categories.
Harmful algal blooms (HABs) caused by the toxic dinoflagellate Alexandrium fundyense are a recurrent and widespread problem in both coastal and offshore waters of the northeastern United States. A. fundyense produces a suite of potent neurotoxins, collectively known as saxitoxins, that threaten public health with illness called paralytic shellfish poisoning (PSP). The adverse effects of A. fundyense blooms on public health, marine ecosystems, and local economies have focused much attention on defining the factors that determine the abundance and distribution of this toxic dinoflagellate, and also those that characterize toxin movement in marine food webs. PSP toxins can become concentrated in marine consumers through feeding interactions in both benthic and pelagic food webs. Included are bivalves that directly ingest toxic algae through suspension feeding, as well as pelagic consumers such as fish, marine mammals and birds, which accumulate algal toxins through consumption of contaminated prey. Various forms of zooplankton that feed directly upon toxic algae play two pivotal roles in HAB dynamics : (1) zooplankton grazing on harmful algae represents an important loss factor that can influence bloom development and termination and (2) zooplankton provide the first link in moving algal toxins to higher trophic levels in marine food webs. However, the role of zooplankton grazing remains one of the most poorly understood of the biological controls on A. fundyense blooms. This dissertation had two major goals : (1) to further our understanding of and characterize the role of zooplankton grazing as a loss factor in the ecology of A. fundyense blooms, and (2) to elucidate trophic pathways of PSP toxin transfer in marine planktonic food webs by identifying the community of consumers that are toxin vectors. In order to assess the role of zooplankton grazing on net growth rates of natural A. fundyense populations, incubation experiments were conducted on seawater samples during a natural bloom in spring of 2012 within the Nauset Marsh System (NMS) on Cape Cod, Massachusetts. Abundances of both microzooplankton and mesozooplankton grazers were determined in addition to A. fundyense abundances. This study documented net growth rates that were highly variable throughout the bloom. Microzooplankton appeared to exert greater grazing pressure than mesozooplankton. Microzooplankters observed with ingested A. fundyense cells included polychaete larvae, rotifers, tintinnids, and heterotrophic dinoflagellates of the genera Polykrikos and Gymnodinium. This study also highlighted the difficulty in separating the overlapping variability and uncertainties in A. fundyense growth, grazing pressure, germination and encystment even when physical advection minimally impacts the populations. PSP toxin accumulation in the planktonic food web was also examined. During three A. fundyense bloom seasons (2007, 2008, and 2010) the regional A. fundyense bloom in the coastal Gulf of Maine and on Georges Bank was sampled in order to measure PSP toxins in the planktonic food web and identify potential PSP toxin vectors. A fundyense cells and zooplankton were collected by quantitatively pumping seawater from known depths through plankton sieves of various mesh sizes - using half of each sample for toxin analyses and the other half for microscopically counting and identifying A. fundyense and the zooplankton community. Size-fractionated toxin measurements revealed that PSP toxins were widespread throughout all size classes of zooplankton. Diverse assemblages of zooplankton grazers were identified as PSP toxin vectors, including microzooplankton such as tintinnids, heterotrophic dinoflagellates such as Protoperidinium spp., and mesozooplankton grazers such as barnacle nauplii, harpacticoid and calanoid copepods, the marine cladoceran Evadne nordmanni, and hydroids of the genus Clytia. PSP toxin composition in most samples remained fairly consistent during the study, with gonyautoxins (1,2,3, & 4) dominating (>90%) the profile. A fundyense cellular toxin content estimated from field samples was significantly higher in the coastal Gulf of Maine than on Georges Bank, and differences in PSP toxin profiles were also observed - mainly within the composition of the gonyautoxin and carbamate toxin components. This suggests that A. fundyense in the coastal Gulf of Maine and those offshore on Georges Bank are distinct populations.
Chemical Investigations Of The Toxins Produced By Marine Dinoflagellates
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Author : Gregory L. Boyer
language : en
Publisher:
Release Date : 1980
Chemical Investigations Of The Toxins Produced By Marine Dinoflagellates written by Gregory L. Boyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Dinoflagellates categories.