MAST/IOC Advanced Phytoplankton Course on Taxonomy and Syste
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Sexual Reproduction and Ecophysiology of the Marine Dinoflagellate Alexandrium Minutum Halim
.• . • - • ...L-- • • --- _1 .. Sexual reproduction and ecophysiology of the marine dinoflagellate Alexandrium minutum Halim lan P. Probert Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy University of Westminster, London Ifremer, Brest June 1999 Jury Professor Chris Bucke Examiner Mr John Leftley Examiner Mrs Jane Lewis Director of Studies Mrs Evelyne Erard-Le Denn Second Supervisor Professor Jenny George Second Supervisor Sexual reproduction and ecophysiology of the marine dinoflagellate Alexandrium minutum Halim lan P. Probert Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy University of Westminster, London lfremer, Brest June 1999 Jury Professor Chris Bucke Examiner Mr John Leftley Examiner Mrs Jane Lewis Director of Studies Mrs Evelyne Erard-Le Denn Second Supervisor Professor Jenny George Second Supervisor Contents Acknowledgements Chapter 1 Introduction 1 A. Objectives of this study 1 B. Dinoflagellates 1 1. Evolutionary history 1 2. General characteristics 1 3. 'Red tides' 2 4. Dinoflagellate toxins 2 5. Economie impact 2 C. Life Cycles 3 1. Asexuallife history 3 2. Sexuallife history 3 3. Life cycle control 4 4. Environmental triggers for sexual reproduction 4 D. Nutrients and Sexuality 6 1. Microalgal nutrient physiology 6 2. Nutrient stress and the cell's responses 9 3. The sexual induction mechanism 10 4. Nutrient physiology through the time-course of transition from asexual to sexual reproduction 10 E. The Experimental Species 12 Chapter 2 The life history of Alexandrium minutum Halim 12 A. Introduction 12 1. The genusAlexandrium 12 2. Alexandrium minutum Halim 13 3. Dinoflagellate reproductive morphology and ultrastructure 13 B. -
PHYCOLOGICAL REVIEWS 18 the Species Concept in Diatoms
Phycologia (1999) Volume 38 (6), 437-495 Published 10 December 1999 PHYCOLOGICAL REVIEWS 18 The species concept in diatoms DAVID G. MANN* Royal Botanic Garden, Edinburgh EH3 5LR, Scotland, UK D.G. MANN. 1999. Phycological reviews 18. The species concept in diatoms. Phycologia 38: 437-495. Diatoms are the most species-rich group of algae. They are ecologically widespread and have global significance in the carbon and silicon cycles, and are used increasingly in ecological monitoring, paleoecological reconstruction, and stratigraphic corre lation. Despite this, the species taxonomy of diatoms is messy and lacks a satisfactory practical or conceptual basis, hindering further advances in all aspects of diatom biology. Several model systems have provided valuable insights into the nature of diatom species. A consilience of evidence (the 'Waltonian species concept') from morphology, genetic data, mating systems, physiology, ecology, and crossing behavior suggests that species boundaries have traditionally been drawn too broadly; many species probably contain several reproductively isolated entities that are worth taxonomic recognition at species level. Pheno typic plasticity, although present, is not a serious problem for diatom taxonomy. However, although good data are now available for demes living in sympatry, we have barely begun to extend studies to take into account variation between allopatric demes, which is necessary if a global taxonomy is to be built. Endemism has been seriously underestimated among diatoms, but biogeographical and stratigraphic patterns are difficult to discern, because of a lack of trustwOlthy data and because the taxonomic concepts of many authors are undocumented. Morphological diversity may often be a largely accidental consequence of physiological differentiation, as a result of the peculiarities of diatom cell division and the life cycle. -
Diatom Distribution in the Lower Save River, Mozambique
Department of Physical Geography Diatom distribution in the lower Save River, Mozambique Taxonomy, salinity gradient and taphonomy Marie Christiansson Master’s thesis NKA 156 Physical Geography and Quaternary Geology, 60 Credits 2016 Preface This Master’s thesis is Marie Christiansson’s degree project in Physical Geography and Quaternary Geology at the Department of Physical Geography, Stockholm University. The Master’s thesis comprises 60 credits (two terms of full-time studies). Supervisor has been Jan Risberg at the Department of Physical Geography, Stockholm University. Examiner has been Stefan Wastegård at the Department of Physical Geography, Stockholm University. The author is responsible for the contents of this thesis. Stockholm, 11 September 2016 Steffen Holzkämper Director of studies Abstract In this study diatom distribution within the lower Save River, Mozambique, has been identified from surface sediments, surface water, mangrove cortex and buried sediments. Sandy units, bracketing a geographically extensive clay layer, have been dated with optical stimulated luminescence (OSL). Diatom analysis has been used to interpret the spatial salinity gradient and to discuss taphonomic processes within the delta. Previously, one study has been performed in the investigated area and it is of great importance to continue to identify diatom distributions since siliceous microfossils are widely used for paleoenvironmental research. Two diatom taxa, which were not possible to classify to species level have been identified; Cyclotella sp. and Diploneis sp. It is suggested that these represent species not earlier described; however they are assigned a brackish water affinity. Diatom analysis from surface water, surface sediments and mangrove cortex indicate a transition from ocean water to a dominance of freshwater taxa c. -
VII EUROPEAN CONGRESS of PROTISTOLOGY in Partnership with the INTERNATIONAL SOCIETY of PROTISTOLOGISTS (VII ECOP - ISOP Joint Meeting)
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/283484592 FINAL PROGRAMME AND ABSTRACTS BOOK - VII EUROPEAN CONGRESS OF PROTISTOLOGY in partnership with THE INTERNATIONAL SOCIETY OF PROTISTOLOGISTS (VII ECOP - ISOP Joint Meeting) Conference Paper · September 2015 CITATIONS READS 0 620 1 author: Aurelio Serrano Institute of Plant Biochemistry and Photosynthesis, Joint Center CSIC-Univ. of Seville, Spain 157 PUBLICATIONS 1,824 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Use Tetrahymena as a model stress study View project Characterization of true-branching cyanobacteria from geothermal sites and hot springs of Costa Rica View project All content following this page was uploaded by Aurelio Serrano on 04 November 2015. The user has requested enhancement of the downloaded file. VII ECOP - ISOP Joint Meeting / 1 Content VII ECOP - ISOP Joint Meeting ORGANIZING COMMITTEES / 3 WELCOME ADDRESS / 4 CONGRESS USEFUL / 5 INFORMATION SOCIAL PROGRAMME / 12 CITY OF SEVILLE / 14 PROGRAMME OVERVIEW / 18 CONGRESS PROGRAMME / 19 Opening Ceremony / 19 Plenary Lectures / 19 Symposia and Workshops / 20 Special Sessions - Oral Presentations / 35 by PhD Students and Young Postdocts General Oral Sessions / 37 Poster Sessions / 42 ABSTRACTS / 57 Plenary Lectures / 57 Oral Presentations / 66 Posters / 231 AUTHOR INDEX / 423 ACKNOWLEDGMENTS-CREDITS / 429 President of the Organizing Committee Secretary of the Organizing Committee Dr. Aurelio Serrano -
Predation on Planktonic Marine Invertebrate Larvae
PREDATION ON PLANKTONIC MARINE INVERTEBRATE LARVAE by KEVIN BRETr JOHNSON A DISSERTATION Presented to the Department ofBiology and the Graduate School ofthe University of Oregon in partial fulfillment of the requirements for the degree of Doctor of Philosophy June 1998 11 "Predation on Planktonic Marine Invertebrate Larvae," a dissertation prepared by Kevin B. Johnson in partial fulfillment of the requirements for . the Doctor of Philosophy degree in the Department of Biology. This dissertation has been approved and accepted by: L5!lka (i8 Date Committee in charge: Dr. Alan L. Shanks, Chair Dr. William E. Bradshaw Dr. Stephen S. Rumrill Dr. Lynda P. Shapiro Dr. Cathy Whitlock Accepted by: Vice Provost and Dean of the Graduate School v CURRICULUM VITAE NAME OF AUTHOR: Kevin Brett Johnson PLACE OF ~IRTH: Fullerton, California DATE OF BIRTH: December 31, 1968 GRADUATE AND UNDERGRADUATE SCHOOLS ATTENDED: University ofOregon Brigham Young University DEGREES AWARDED: Doctor ofPhilosophy in Biology, 1998, University ofOregon Bachelor of Science in Zoology, 1992, Brigham Young University AREAS OF SPECIAL INTEREST: Larval Ecology Invertebrate Zoology Marine Biology Life-History Evolution Natural History PROFESSIONAL EXPERIENCE: Research Assistant, Oregon Institute of Marine Biology and Department ofBiology, University of Oregon, Eugene, 1994-1998 Graduate Teaching Fellow, Oregon Institute of Marine Biology and Department ofBiology, University of Oregon, Eugene, 1992-1997 Teaching Assistant, Zoology Department, Brigham Young University, Provo, 1991-1992 Missionary, Church ofJesus Christ ofLatter-Day Saints, 1988-1990 VI AWARDS AND HONORS: Western Society of Naturalists Paper Competition, Honorable Mention, 1997 Department of Defense, Fellowship Program, Honorable Mention, 1995, Brigham Young University, 'Y' scholar, 1987 Boy Scouts ofAmerica, Eagle Scout, 1986 International Thespian Society, Inductee, 1985 GRANTS: American Museum of Natural History, 1995 VB PUBLICATIONS: Bradshaw, W. -
Heterosigma Akashiwo As a Potential Source of Prey For
HETEROSIGMA AKASHIWO AS A POTENTIAL SOURCE OF PREY FOR THE TOXIC DINOFLAGELLATE, DINOPHYSIS ACUMINATA by Amanda K. Williams A thesis submitted to the Faculty of the University of Delaware in partial fulfillment of the requirements for the degree of Master of Science in Marine Studies Summer 2020 © 2020 Amanda K. Williams All Rights Reserved HETEROSIGMA AKASHIWO AS A POTENTIAL SOURCE OF PREY FOR THE TOXIC DINOFLAGELLATE, DINOPHYSIS ACUMINATA by Amanda K. Williams Approved: __________________________________________________________ Kathryn J. Coyne, Ph.D. Professor in charge of thesis on behalf of the Advisory Committee Approved: __________________________________________________________ Mark A. Moline, Ph.D. Director of the School of Marine Science and Policy Approved: __________________________________________________________ Estella Atekwana, Ph.D. Dean of the College of Earth, Ocean, and Environment Approved: __________________________________________________________ Douglas J. Doren, Ph.D. Interim Vice Provost for Graduate and Professional Education and Dean of the Graduate College ACKNOWLEDGMENTS Thank you to all members of my committee- Dr. Kathryn Coye, Dr. Jon Cohen, and Dr. Tye Pettay. Special thanks to Amanda Pappas who supported me both inside and outside of the lab. Thank you also to Yanfei Wang, Emmie Healey, Dr. Mark Warner, Dr. Sylvain Le Marchand, Dr. Matthew Johnson and Dr. Juliette Smith for helping me in various ways. Thanks to Dr. Ed Whereat and the University of Delaware Citizens Monitoring Program for insightful conversations and sharing data. Thank you to Kathy for taking me on as her student and welcoming me with support and guidance. I also want to acknowledge funding for this project, which was provided by the Carolyn Thompson Thoroughgood Graduate Student Research Award and Delaware Sea Grant R/HCE-32 to DTP and KJC. -
Sexual Reproduction and Bloom Dynamics of Toxic Dinoflagellates
SEXUAL REPRODUCTION AND BLOOM DYNAMICS OF TOXIC DINOFLAGELLATES FROM AUSTRALIAN ESTUARINE WATERS by Naomi S. Parker BSc., Grad. Dip. ASOS (Hons), MSc. Submitted in fulfillment of the requirements for the degree of Doctor of Philosophy School of Aquaculture University of Tasmania Hobart June,2002 DECLARATION AND AUTHORITY OF ACCESS This thesis contains no material which has been accepted for the award of a degree or a diploma in any university, and to the best of the author's knowledge and belief, the thesis contains no material previously published or written by another person, except where due acknowledgement is made in the text. This thesis may be made available for loan. Copying of any part of this thesis is prohibited for two years from the date this statement was signed; after that time limited copying is permitted in accordance with the Copyright Act 1968. Naomi S. Parker June 2002 ABSTRACT Of the dinoflagellates known to form toxic blooms in Australian estuaries three, Alexandrium minurum, Alexandrium catenella and Gymnodinium catenatum produce paralytic shellfish toxins that can lead to the potentially fatal paralytic shellfish poisoning in humans. These three species and a fourth dinoflagellate Protoceratium reticulatum all have the capacity to reproduce both by vegetative cell division and by sexual reproduction. The product of sexual reproduction in all cases is a resting cyst, which can sink to the sediments and remain dormant for a time. Resting cyst production results in a coupling between the benthic and pelagic components of estuarine systems and forms an important part of the ecological strategy of dinoflagellates. A variety of aspects of sexual reproduction of these four species were investigated. -
Fish Taphonomy and Environmental Inference in Paleolimnology
Palaeogeography, Palaeoclimatology, Palaeoecology, 62 (1988): 577 592 577 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands FISH TAPHONOMY AND ENVIRONMENTAL INFERENCE IN PALEOLIMNOLOGY R. L. ELDER and G. R. SMITH Department of Geology, Oberlin College, Oberlin, OH 44074 (U.S.A.) Museum of Paleontology, University of Michigan, Ann Arbor, MI 48109 (U.S.A.) (Accepted for publication April 24, 1986) Abstract Elder, R. L. and Smith, G. R., 1988. Fish taphonomy and environmental inference in paleolimnology. Palaeogeogr., Palaeoclimatol., Palaeoecol., 62: 577-592. The contribution of fish studies to paleoecology generally takes the form of (1) inference from analogies in modern fish faunas and (2) fish taphonomy -- the pattern of death and dispersal of bones. (1) Modern fish faunas and associated organisms provide taxonomic, ecological, or functional analogues for interpretation of ancient limiting factors and behaviors. These inferences presume taxonomic conservatism. They also presume functional relationships between morphological form and feeding mode or habitat. They become weak with increased geologic age or phyletic distance between ancient subject and modern analogue. (2) Fish taphonomy may contribute information about limnology, community composition, life history, mortality, depositional environment, and preservation. Taphonomic reconstruc- tion of ecology and preservation depends on the applicability of analogous processes in modern ecology and limnology. In aquatic taphonomy, temperature is the most important factor in determining the fate of a carcass. Above about 16°C (depending on depth and pressure), most carcasses are made buoyant by bacterial decay gases and are transported to the surface where they may decay further and fall piecemeal into deepwater environments, or drift to beach environments where wave energy disarticulates, abrades, and scatters the bones. -
The Natural Resources of Monterey Bay National Marine Sanctuary
Marine Sanctuaries Conservation Series ONMS-13-05 The Natural Resources of Monterey Bay National Marine Sanctuary: A Focus on Federal Waters Final Report June 2013 U.S. Department of Commerce National Oceanic and Atmospheric Administration National Ocean Service Office of National Marine Sanctuaries June 2013 About the Marine Sanctuaries Conservation Series The National Oceanic and Atmospheric Administration’s National Ocean Service (NOS) administers the Office of National Marine Sanctuaries (ONMS). Its mission is to identify, designate, protect and manage the ecological, recreational, research, educational, historical, and aesthetic resources and qualities of nationally significant coastal and marine areas. The existing marine sanctuaries differ widely in their natural and historical resources and include nearshore and open ocean areas ranging in size from less than one to over 5,000 square miles. Protected habitats include rocky coasts, kelp forests, coral reefs, sea grass beds, estuarine habitats, hard and soft bottom habitats, segments of whale migration routes, and shipwrecks. Because of considerable differences in settings, resources, and threats, each marine sanctuary has a tailored management plan. Conservation, education, research, monitoring and enforcement programs vary accordingly. The integration of these programs is fundamental to marine protected area management. The Marine Sanctuaries Conservation Series reflects and supports this integration by providing a forum for publication and discussion of the complex issues currently facing the sanctuary system. Topics of published reports vary substantially and may include descriptions of educational programs, discussions on resource management issues, and results of scientific research and monitoring projects. The series facilitates integration of natural sciences, socioeconomic and cultural sciences, education, and policy development to accomplish the diverse needs of NOAA’s resource protection mandate. -
Minimal Selfhood and the Origins of Consciousness
ness In MinimalSelfhood andthe OriginsofConsciousness, ous R.D.V. Glasgowseeks to ground thelogical rootsof ci consciousness in what he haspreviouslycalled the ns ‘minimal self’. Th eideaisthatelementary forms Co of consciousness arelogicallydependent not, as is of ns commonly assumed, on ownershipofananatomical i brainornervous system, but on theintrinsic reflexi- rig vity that definesminimal selfhood. Theaim of the eO bookistotracethe logical pathwaybywhich mini- th malselfhood givesrisetothe possible appearance of consciousness.Itisarguedthatinspecificcircum- and R.D.V. Glasgow stancesitthusmakes sensetoascribe elementary ood consciousness to certain predatorysingle-celled or- ganismssuchasamoebae anddinoflagellatesaswell elfh as to some of thesimpler animals. Such an argument lS involves establishingexactlywhatthose specific ima circumstances areand determining howelementary Min consciousness differsinnatureand scopefrom its more complex manifestations. sgow la .G R.D.V Würzburg University Press ISBN 978-3-95826-078-8 Rupert D.V. Glasgow Minimal Selfhood and the Origins of Consciousness Rupert D.V. Glasgow Minimal Selfhood and the Origins of Consciousness Impressum Julius-Maximilians-Universität Würzburg Würzburg University Press Universitätsbibliothek Würzburg Am Hubland D-97074 Würzburg www.wup.uni-wuerzburg.de ©2018 Würzburg University Press Print on Demand Coverdesign & Illustrationen: Christina Nath ISBN: 978-3-95826-078-8 (print) ISBN: 978-3-95286-079-5 (online) URN: urn:nbn:de:bvb:20-opus-157470 Except otherwise noted, this document – excluding the cover – is licensed under the Creative Commons License Attribution-ShareAlike 4.0 International (CC BY-SA 4.0): https://creativecommons.org/licenses/by-sa/4.0/ The cover page is licensed under the Creative Commons License Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0): http://creativecommons.org/licenses/by-nc-nd/4.0/ Acknowledgements The present book originally formed a rather long final chapter of a PhD dissertation entitled The Minimal Self. -
Phylogenetic Analysis of the Baltic Skeletonema Marinoi
Salla Kalaniemi Phylogenetic Analysis of the Baltic Skeletonema marinoi Helsinki Metropolia University of Applied Sciences Bachelor of Sciences Laboratory Sciences Thesis 3.2.2013 Abstract Author Salla Kalaniemi Title Phylogenetic Analysis of the Baltic Skeletonema marinoi Number of Pages 30 pages + 3 appendices Date 3 February 2013 Degree Bachelor of Sciences Degree Programme Laboratory Sciences Anke Kremp, PhD Instructors Conny Sjöqvist, MSc Jarmo Palm, MSc This thesis project was carried out in the Marine Research Centre of Finnish Environment Institute (SYKE) in the Modelling and Innovations Unit where researchers PhD. Anke Kremp and PhD student Conny Sjöqvist are investigating phytoplankton ecology, biodiver- sity and population genetics, and one of the organisms under study is Skeletonema mari- noi. The aim of this graduate study was to investigate the possible differentiation of the S. marinoi strains isolated in the Baltic Sea by phylogenetic analysis. S. marinoi is a diatom species with worldwide distribution. As a photosynthezing organism it has a significant role in the carbon dioxide assimilation. Moreover, the typical diatom cell wall called frustule makes S. marinoi an important organism for the silica cycle on Earth. S. marinoi is highly abundant also in the Baltic Sea especially during the spring bloom. The Baltic Sea is an interesting brackish water basin with steep salinity gradient. Due to these facts S. marinoi is fundamentally studied in many aspects. By phylogenetic analysis it is possible to gain huge amounts of information to understand the relationships between organism and even within species, moreover to investigate the evolutionary hypothesis. In this graduate study non-coding ITS region of rDNA was ana- lyzed to observe the possible variation within S. -
Carrion Availability in Space and Time
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln USDA National Wildlife Research Center - Staff U.S. Department of Agriculture: Animal and Publications Plant Health Inspection Service 2019 Carrion Availability in Space and Time Marcos Moleón Nuria Selva David M. Bailey David M. Bailey Ainara Cortés-Avizanda See next page for additional authors Follow this and additional works at: https://digitalcommons.unl.edu/icwdm_usdanwrc Part of the Natural Resources and Conservation Commons, Natural Resources Management and Policy Commons, Other Environmental Sciences Commons, Other Veterinary Medicine Commons, Population Biology Commons, Terrestrial and Aquatic Ecology Commons, Veterinary Infectious Diseases Commons, Veterinary Microbiology and Immunobiology Commons, Veterinary Preventive Medicine, Epidemiology, and Public Health Commons, and the Zoology Commons This Article is brought to you for free and open access by the U.S. Department of Agriculture: Animal and Plant Health Inspection Service at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in USDA National Wildlife Research Center - Staff Publications by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. Authors Marcos Moleón, Nuria Selva, David M. Bailey, David M. Bailey, Ainara Cortés-Avizanda, and Travis L. DeVault U.S. Department of Agriculture U.S. Government Publication Animal and Plant Health Inspection Service Wildlife Services Carrion Availability in Space and Time Marcos Moleón, Nuria