Modeling the Biogeography of Pelagic Diatoms of the Southern Ocean

Total Page:16

File Type:pdf, Size:1020Kb

Modeling the Biogeography of Pelagic Diatoms of the Southern Ocean Modeling the biogeography of pelagic diatoms of the Southern Ocean Dissertation zur Erlangung des akademischen Grades doctor rerum naturalium (Dr. rer. nat.) der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Rostock vorgelegt von Stefan Pinkernell Bremerhaven, 16.11.2017 Gutachter 1. Prof. Dr. Ulf Karsten Universität Rostock, Institut für Biowissenschaften Albert-Einstein-Str. 3, 18059 Rostock 2. Prof. Dr. Anya Waite Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung Am Handelshafen 12, 27570 Bremerhaven Datum der Einreichung: 03.08.2017 Datum der Verteidigung: 11.12.2017 ii Abstract Species distribution models (SDM) are a widely used and well-established method for biogeographical research on terrestrial organisms. Though already used for decades, experience with marine species is scarce, especially for protists. More and more obser- vation data, sometimes even aggregated over centuries, become available also for the marine world, which together with high-quality environmental data form a promising base for marine SDMs. In contrast to these SDMs, typical biogeographical studies of diatoms only considered observation data from a few transects. Species distribution methods were evaluated for marine pelagic diatoms in the South- ern Ocean at the example of F. kerguelensis. Based on the experience with these models, SDMs for further species were built to study biogeographical patterns. The anthropogenic impact of climate change on these species is assessed by model projec- tions on future scenarios for the end of this century. Besides observation data from public data repositories such as GBIF, own observa- tions from the Hustedt diatom collection were used. The models presented here rely on so-called presence only observation data. For this simple data type, Maxent has been proven to be a good modeling method. SDM seems a suitable modeling method to study biogeography of marine pelagic diatoms in the Southern Ocean. Models of decent quality could be built, despite partly poor data. Future projections indicate a moderate decrease of the suitable areas towards the end of the century for most of the investigated species. iii Zusammenfassung Spezies Verbreitungsmodelle (Species Distribution Models/ SDM) sind eine vor allem für terrestrische Organismen etablierte und weit verbreitete Form von Habitat Mo- dellen. Obwohl diese Modelle schon seit Jahrzehnten verwendet werden gibt es damit bisher nur wenig Erfahrung in der Modellierung mariner Organismen, insbesondere von Protisten. Immer mehr Observationsdaten werden veröffentlicht, die teilweise über lan- ge Zeiträume gesammelt wurden. Zusammen mit hochqualitativen Umweltdatensätzen bilden sie eine vielversprechende Datenbasis für marine Verbreitungsmodelle. Studien zur biogeografischen Verbreitung basieren im Gegensatz zu diesen Verbreitungsmodel- len typischerweise nur auf Daten aus wenigen Transekten. Diese Art von Verbreitungsmodellen für marine pelagische Diatomeen im Süd Ozean wurde zunächst am Beispiel von Fragilariopsis kerguelensis evaluiert. Basierend auf die- sen Erfahrungen wurden Modelle für weitere Spezies für vergleichende Studien erstellt. Mit Hilfe von Modellprojektionen auf Zukunftsszenarien für das Ende dieses Jahrhun- derts wurden Auswirkungen des Klimawandels auf die potentielle Verbreitung dieser Arten abgeschätzt. Neben öffentlichen Datenbeständen, wie z.B. GBIF, wurde auch die Hustedt Diato- meen Sammlung für Observationsdaten genutzt. Die Modelle basieren auf sogenannten ’presence only’ Daten, bei denen nur die Anwesenheit einer Spezies dokumentiert wird, nicht Abundanz oder gar Abwesenheit. Für diesen simplen Datentyp hat sich Maxent als geeignete Modellierungsmethode etabliert. Verbreitungsmodelle haben sich für biogeographische Studien an pelagischen Diato- meen im Südozean als geeignet erwiesen. Trotz der teilweise nachwievor dürftigen Da- tenlage konnten qualitativ hochwertige Verbreitungsmodellen erstellt werden. Modell- projektionen auf Zukunftsszenarien deuten für die meisten untersuchten Arten einen moderaten Rückgang der Verbreitungsgebiete bis zum Ende des Jahrhunderts an. iv Eigenständigkeitserklärung Doktorandinnen/Doktoranden-Erklärung gemäß §4 Absatz 1 Buchstaben g und h der Promotionsordnung der Mathematisch- Naturwissenschaftlichen Fakultät der Universität Rostock Name: Stefan Pinkernell Anschrift: Pestalozzistrasse 14, 27568 Bremerhaven Ich habe eine Dissertation zum Thema: Modeling the biogeography of pelagic diatoms of the Southern Ocean am Alfred Wegener Institut Helmholtz Zentrum für Polar und Meeresforschung ange- fertigt. Dabei wurde ich von Herrn Professor Dr. Ulf Karsten (Universität Rostock) und Herrn Dr. Bánk Beszteri (AWI) betreut. Ich gebe folgende Erklärung ab: 1. Die Gelegenheit zum vorliegenden Promotionsvorhaben ist nicht kommerziell vermittelt worden. Insbesondere habe ich keine Organisation eingeschaltet, die gegen Entgelt Betreuerinnen/ Betreuer für die Anfertigung von Dissertationen sucht oder die mir obliegenden Pflichten hinsichtlich der Prüfungsleistungen für mich ganz oder teilweise erledigt. 2. Ich versichere hiermit an Eides statt, dass ich die vorliegende Arbeit selbstständig angefertigt und ohne fremde Hilfe verfasst habe. Dazu habe ich keine außer den von mir angegebenen Hilfsmitteln verwendet und die den benutzten Werken in- haltlich und wörtlich entnommenen Stellen habe ich als solche kenntlich gemacht. Bremerhaven, den 03.08.2017 v Publications and contribution to conferences Publications • Pinkernell, S. and B. Beszteri (2014). "Potential effects of climate change on the distribution range of the main silicate sinker of the Southern Ocean." Ecology and Evolution 4(16): 3147-3161. Conferences • Conference-Talk Pinkernell, S and Beszteri, B. (2015), "Re-using diatom observation data: species distribution modeling of pelagic marine diatoms", 9th Central European Diatom Meeting, Bremerhaven, Germany, 10 March 2015 - 13 March 2015. • Conference-Talk Pinkernell, S. and Beszteri, B. (2014) , "Modeling the biogeography of Antarctic phytoplankton", ECEM 2014 - 8th European Conference on Ecological Modeling, Marrakesh, Morocco, 27 October 2014 - 30 October 2014. • Conference-Poster Pinkernell, S. and Beszteri, B. (2013), "A species distribution model of the ma- rine diatom Fragilariopsis kerguelensis", EurOceans Hot Topics Conference - A Changing Ocean, Las Palmas, Gran Canaria, 6 November 2013 - 8 November 2013. • Conference-Poster Beszteri, B. , Pinkernell, S. and Hinz, F. (2012), "Exploring the possibilities of collection-based ecosystem research at the Hustedt Centre", International Diatom Symposium, Ghent, Belgium, 26 August 2012 - 31 August 2012. • Conference-Talk Pinkernell, S. and Beszteri, B. (2012), "Species distribution modeling of marine pelagic diatoms", 22nd International Diatom Symposium, Ghent, Belgium, 27 August 2012 - 31 August 2012. vi Funding This work was supported by the Deutsche Forschungsgemeinschaft (DFG) in the frame- work of the priority program "Antarctic Research with comparative investigations in Arctic ice areas" by grant number BE 4316/2-1. vii Danksagung Zunächst einmal möchte ich Professor Ulf Karsten von der Universität Rostock danken, der mich in seiner Arbeitsgruppe aufgenommen und damit diese Arbeit überhaupt erst möglich gemacht hat. Mein ganz besonderer Dank gilt Bánk Besteri, meinem Betreuer am Alfred Wegener Insitut, für die ständige Diskussions- und Gesprächsbereitschaft, den fachlichen Rat, viele aufmunternde Worte und seinen Einsatz für das Gelingen meiner Doktorarbeit. Ich habe mich in dieser Arbeitsgruppe immer sehr wohl und gut betreut gefühlt. Einen großen Dank auch an die Mitglieder des Hustedt Diatomeen Zentrums: Friedel Hinz, Michael Kloster, Sarah Olischläger, Fenina Buttler, Ute Postel und Lena Eggers. Neben fachlichem Rat und technischer Unterstützung konnte ich auch immer auf Eure Aufmunterung bei unseren gemeinsamen Kaffeepausen zählen. Dies gilt auch für die Mitarbeiter der Sektion Polare Biologische Ozeanographie am Alfred Wegener Institut, besonders aber für Erika Allhusen, die mich bei meinen Experimenten unterstützt hat. Ein großer Dank gilt auch Fabian Altvater, meinem HiWi, der mich bei der Mikroskopie-Arbeit unterstützt hat. Für die vielen Diskussionen und den fachlichen Rat möchte ich mich ebenfall bei meinem PhD-Kommitee bedanken: Christian Schäfer- Neth, Kristine Klaas, Kerstin Jerosch und Christoph Völker. Vielen Dank auch den Mitarbeitern des Rechenzentrums, besonders aber Stephan Frickenhaus und Antonie Haas. Herzlichen Dank auch an das gesamte Polmar-Team, sowie an alle Dozenten für die sehr guten Kurse. Ich möchte mich auch bei allen Freunde bedanken, die mir die Zeit in Bremerhaven sehr angenehm gemacht haben. Ein besonderer Dank gilt natürlich meiner Freundin Ingrid, die mich immer wieder motiviert hat diese Arbeit zu beenden. Ein großer Dank geht auch an meine Eltern für Unterstützung, aufmunternde Worte, Ermutigungen und Rückhalt in allen Lebenslagen. Schließlich möchte ich auch allen hier nicht genannten Kollegen, Freunden und Bekannten danken, die mich unterstützt und zum Erfolg dieser Arbeit beigetragen haben. viii Contents Abstract....................................... iii Zusammenfassung................................. iv Eigenständigkeitserklärung............................v Publications and conferences........................... vi Funding information................................ vii Danksagung..................................... viii List of Figures xi List of Tables xii 1 Introduction1 1.1
Recommended publications
  • First Record of Benthic Diatoms
    Available online at www.sciencedirect.com Revista Mexicana de Biodiversidad Revista Mexicana de Biodiversidad 86 (2015) 281–292 www.ib.unam.mx/revista/ Taxonomy and systematics First record of benthic diatoms (Bacillariophyceae and Fragilariophyceae) from Isla Guadalupe, Baja California, Mexico Primer registro de diatomeas bentónicas (Bacillariophyceae y Fragilariophyceae) de isla Guadalupe, Baja California, México Francisco Omar López-Fuerte a, David A. Siqueiros-Beltrones b,∗, Ricardo Yabur c a Laboratorio de Sistemas Arrecifales, Departamento Académico de Economía, Universidad Autónoma de Baja California Sur, Carretera al Sur, Km. 5.5, 23080 La Paz, B.C.S., Mexico b Departamento de Plancton y Ecología Marina, Centro Interdisciplinario de Ciencias Marinas, Intituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Playa Palo de Santa Rita, 23096 La Paz, B.C.S., Mexico c Departamento Académico de Biología Marina, Universidad Autónoma de Baja California Sur, Carretera al Sur, Km. 5.5, 23080 La Paz, B.C.S., Mexico Received 13 June 2014; accepted 3 December 2014 Available online 26 May 2015 Abstract Guadalupe Island represents a unique ecosystem. Its volcanic origin and remoteness from the Baja California peninsula have allowed for the successful establishment of its distinctive flora and fauna. However, the difficulty in accessing the island has precluded the study of its biotic communities, mainly the marine ones. Consequently, no studies on benthic or planktonic diatoms have been hitherto published. Thus, the first records of marine benthic diatom species (epiphytic, epilithic, epizoic) from Guadalupe Island in the NW Mexican Pacific are here provided. One hundred and nineteen diatom taxa belonging to the Bacillariophyceae and Fragilariophyceae were identified, including species and varieties.
    [Show full text]
  • Outer Continental Shelf Environmental Assessment Program, Final Reports of Principal Investigators. Volume 71
    Outer Continental Shelf Environmental Assessment Program Final Reports of Principal Investigators Volume 71 November 1990 U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Ocean Service Office of Oceanography and Marine Assessment Ocean Assessments Division Alaska Office U.S. DEPARTMENT OF THE INTERIOR Minerals Management Service Alaska OCS Region OCS Study, MMS 90-0094 "Outer Continental Shelf Environmental Assessment Program Final Reports of Principal Investigators" ("OCSEAP Final Reports") continues the series entitled "Environmental Assessment of the Alaskan Continental Shelf Final Reports of Principal Investigators." It is suggested that reports in this volume be cited as follows: Horner, R. A. 1981. Bering Sea phytoplankton studies. U.S. Dep. Commer., NOAA, OCSEAP Final Rep. 71: 1-149. McGurk, M., D. Warburton, T. Parker, and M. Litke. 1990. Early life history of Pacific herring: 1989 Prince William Sound herring egg incubation experiment. U.S. Dep. Commer., NOAA, OCSEAP Final Rep. 71: 151-237. McGurk, M., D. Warburton, and V. Komori. 1990. Early life history of Pacific herring: 1989 Prince William Sound herring larvae survey. U.S. Dep. Commer., NOAA, OCSEAP Final Rep. 71: 239-347. Thorsteinson, L. K., L. E. Jarvela, and D. A. Hale. 1990. Arctic fish habitat use investi- gations: nearshore studies in the Alaskan Beaufort Sea, summer 1988. U.S. Dep. Commer., NOAA, OCSEAP Final Rep. 71: 349-485. OCSEAP Final Reports are published by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Ocean Assessments Division, Alaska Office, Anchorage, and primarily funded by the Minerals Management Service, U.S. Department of the Interior, through interagency agreement.
    [Show full text]
  • University of Oklahoma
    UNIVERSITY OF OKLAHOMA GRADUATE COLLEGE MACRONUTRIENTS SHAPE MICROBIAL COMMUNITIES, GENE EXPRESSION AND PROTEIN EVOLUTION A DISSERTATION SUBMITTED TO THE GRADUATE FACULTY in partial fulfillment of the requirements for the Degree of DOCTOR OF PHILOSOPHY By JOSHUA THOMAS COOPER Norman, Oklahoma 2017 MACRONUTRIENTS SHAPE MICROBIAL COMMUNITIES, GENE EXPRESSION AND PROTEIN EVOLUTION A DISSERTATION APPROVED FOR THE DEPARTMENT OF MICROBIOLOGY AND PLANT BIOLOGY BY ______________________________ Dr. Boris Wawrik, Chair ______________________________ Dr. J. Phil Gibson ______________________________ Dr. Anne K. Dunn ______________________________ Dr. John Paul Masly ______________________________ Dr. K. David Hambright ii © Copyright by JOSHUA THOMAS COOPER 2017 All Rights Reserved. iii Acknowledgments I would like to thank my two advisors Dr. Boris Wawrik and Dr. J. Phil Gibson for helping me become a better scientist and better educator. I would also like to thank my committee members Dr. Anne K. Dunn, Dr. K. David Hambright, and Dr. J.P. Masly for providing valuable inputs that lead me to carefully consider my research questions. I would also like to thank Dr. J.P. Masly for the opportunity to coauthor a book chapter on the speciation of diatoms. It is still such a privilege that you believed in me and my crazy diatom ideas to form a concise chapter in addition to learn your style of writing has been a benefit to my professional development. I’m also thankful for my first undergraduate research mentor, Dr. Miriam Steinitz-Kannan, now retired from Northern Kentucky University, who was the first to show the amazing wonders of pond scum. Who knew that studying diatoms and algae as an undergraduate would lead me all the way to a Ph.D.
    [Show full text]
  • Protocols for Monitoring Harmful Algal Blooms for Sustainable Aquaculture and Coastal Fisheries in Chile (Supplement Data)
    Protocols for monitoring Harmful Algal Blooms for sustainable aquaculture and coastal fisheries in Chile (Supplement data) Provided by Kyoko Yarimizu, et al. Table S1. Phytoplankton Naming Dictionary: This dictionary was constructed from the species observed in Chilean coast water in the past combined with the IOC list. Each name was verified with the list provided by IFOP and online dictionaries, AlgaeBase (https://www.algaebase.org/) and WoRMS (http://www.marinespecies.org/). The list is subjected to be updated. Phylum Class Order Family Genus Species Ochrophyta Bacillariophyceae Achnanthales Achnanthaceae Achnanthes Achnanthes longipes Bacillariophyta Coscinodiscophyceae Coscinodiscales Heliopeltaceae Actinoptychus Actinoptychus spp. Dinoflagellata Dinophyceae Gymnodiniales Gymnodiniaceae Akashiwo Akashiwo sanguinea Dinoflagellata Dinophyceae Gymnodiniales Gymnodiniaceae Amphidinium Amphidinium spp. Ochrophyta Bacillariophyceae Naviculales Amphipleuraceae Amphiprora Amphiprora spp. Bacillariophyta Bacillariophyceae Thalassiophysales Catenulaceae Amphora Amphora spp. Cyanobacteria Cyanophyceae Nostocales Aphanizomenonaceae Anabaenopsis Anabaenopsis milleri Cyanobacteria Cyanophyceae Oscillatoriales Coleofasciculaceae Anagnostidinema Anagnostidinema amphibium Anagnostidinema Cyanobacteria Cyanophyceae Oscillatoriales Coleofasciculaceae Anagnostidinema lemmermannii Cyanobacteria Cyanophyceae Oscillatoriales Microcoleaceae Annamia Annamia toxica Cyanobacteria Cyanophyceae Nostocales Aphanizomenonaceae Aphanizomenon Aphanizomenon flos-aquae
    [Show full text]
  • Old Woman Creek National Estuarine Research Reserve Management Plan 2011-2016
    Old Woman Creek National Estuarine Research Reserve Management Plan 2011-2016 April 1981 Revised, May 1982 2nd revision, April 1983 3rd revision, December 1999 4th revision, May 2011 Prepared for U.S. Department of Commerce Ohio Department of Natural Resources National Oceanic and Atmospheric Administration Division of Wildlife Office of Ocean and Coastal Resource Management 2045 Morse Road, Bldg. G Estuarine Reserves Division Columbus, Ohio 1305 East West Highway 43229-6693 Silver Spring, MD 20910 This management plan has been developed in accordance with NOAA regulations, including all provisions for public involvement. It is consistent with the congressional intent of Section 315 of the Coastal Zone Management Act of 1972, as amended, and the provisions of the Ohio Coastal Management Program. OWC NERR Management Plan, 2011 - 2016 Acknowledgements This management plan was prepared by the staff and Advisory Council of the Old Woman Creek National Estuarine Research Reserve (OWC NERR), in collaboration with the Ohio Department of Natural Resources-Division of Wildlife. Participants in the planning process included: Manager, Frank Lopez; Research Coordinator, Dr. David Klarer; Coastal Training Program Coordinator, Heather Elmer; Education Coordinator, Ann Keefe; Education Specialist Phoebe Van Zoest; and Office Assistant, Gloria Pasterak. Other Reserve staff including Dick Boyer and Marje Bernhardt contributed their expertise to numerous planning meetings. The Reserve is grateful for the input and recommendations provided by members of the Old Woman Creek NERR Advisory Council. The Reserve is appreciative of the review, guidance, and council of Division of Wildlife Executive Administrator Dave Scott and the mapping expertise of Keith Lott and the late Steve Barry.
    [Show full text]
  • Biology and Systematics of Heterokont and Haptophyte Algae1
    American Journal of Botany 91(10): 1508±1522. 2004. BIOLOGY AND SYSTEMATICS OF HETEROKONT AND HAPTOPHYTE ALGAE1 ROBERT A. ANDERSEN Bigelow Laboratory for Ocean Sciences, P.O. Box 475, West Boothbay Harbor, Maine 04575 USA In this paper, I review what is currently known of phylogenetic relationships of heterokont and haptophyte algae. Heterokont algae are a monophyletic group that is classi®ed into 17 classes and represents a diverse group of marine, freshwater, and terrestrial algae. Classes are distinguished by morphology, chloroplast pigments, ultrastructural features, and gene sequence data. Electron microscopy and molecular biology have contributed signi®cantly to our understanding of their evolutionary relationships, but even today class relationships are poorly understood. Haptophyte algae are a second monophyletic group that consists of two classes of predominately marine phytoplankton. The closest relatives of the haptophytes are currently unknown, but recent evidence indicates they may be part of a large assemblage (chromalveolates) that includes heterokont algae and other stramenopiles, alveolates, and cryptophytes. Heter- okont and haptophyte algae are important primary producers in aquatic habitats, and they are probably the primary carbon source for petroleum products (crude oil, natural gas). Key words: chromalveolate; chromist; chromophyte; ¯agella; phylogeny; stramenopile; tree of life. Heterokont algae are a monophyletic group that includes all (Phaeophyceae) by Linnaeus (1753), and shortly thereafter, photosynthetic organisms with tripartite tubular hairs on the microscopic chrysophytes (currently 5 Oikomonas, Anthophy- mature ¯agellum (discussed later; also see Wetherbee et al., sa) were described by MuÈller (1773, 1786). The history of 1988, for de®nitions of mature and immature ¯agella), as well heterokont algae was recently discussed in detail (Andersen, as some nonphotosynthetic relatives and some that have sec- 2004), and four distinct periods were identi®ed.
    [Show full text]
  • The Plankton Lifeform Extraction Tool: a Digital Tool to Increase The
    Discussions https://doi.org/10.5194/essd-2021-171 Earth System Preprint. Discussion started: 21 July 2021 Science c Author(s) 2021. CC BY 4.0 License. Open Access Open Data The Plankton Lifeform Extraction Tool: A digital tool to increase the discoverability and usability of plankton time-series data Clare Ostle1*, Kevin Paxman1, Carolyn A. Graves2, Mathew Arnold1, Felipe Artigas3, Angus Atkinson4, Anaïs Aubert5, Malcolm Baptie6, Beth Bear7, Jacob Bedford8, Michael Best9, Eileen 5 Bresnan10, Rachel Brittain1, Derek Broughton1, Alexandre Budria5,11, Kathryn Cook12, Michelle Devlin7, George Graham1, Nick Halliday1, Pierre Hélaouët1, Marie Johansen13, David G. Johns1, Dan Lear1, Margarita Machairopoulou10, April McKinney14, Adam Mellor14, Alex Milligan7, Sophie Pitois7, Isabelle Rombouts5, Cordula Scherer15, Paul Tett16, Claire Widdicombe4, and Abigail McQuatters-Gollop8 1 10 The Marine Biological Association (MBA), The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK. 2 Centre for Environment Fisheries and Aquacu∑lture Science (Cefas), Weymouth, UK. 3 Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Wimereux, France. 4 Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK. 5 15 Muséum National d’Histoire Naturelle (MNHN), CRESCO, 38 UMS Patrinat, Dinard, France. 6 Scottish Environment Protection Agency, Angus Smith Building, Maxim 6, Parklands Avenue, Eurocentral, Holytown, North Lanarkshire ML1 4WQ, UK. 7 Centre for Environment Fisheries and Aquaculture Science (Cefas), Lowestoft, UK. 8 Marine Conservation Research Group, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK. 9 20 The Environment Agency, Kingfisher House, Goldhay Way, Peterborough, PE4 6HL, UK. 10 Marine Scotland Science, Marine Laboratory, 375 Victoria Road, Aberdeen, AB11 9DB, UK.
    [Show full text]
  • Manual for Phytoplankton Sampling and Analysis in the Black Sea
    Manual for Phytoplankton Sampling and Analysis in the Black Sea Dr. Snejana Moncheva Dr. Bill Parr Institute of Oceanology, Bulgarian UNDP-GEF Black Sea Ecosystem Academy of Sciences, Recovery Project Varna, 9000, Dolmabahce Sarayi, II. Hareket P.O.Box 152 Kosku 80680 Besiktas, Bulgaria Istanbul - TURKEY Updated June 2010 2 Table of Contents 1. INTRODUCTION........................................................................................................ 5 1.1 Basic documents used............................................................................................... 1.2 Phytoplankton – definition and rationale .............................................................. 1.3 The main objectives of phytoplankton community analysis ........................... 1.4 Phytoplankton communities in the Black Sea ..................................................... 2. SAMPLING ................................................................................................................. 9 2.1 Site selection................................................................................................................. 2.2 Depth ............................................................................................................................... 2.3 Frequency and seasonality ....................................................................................... 2.4 Algal Blooms................................................................................................................. 2.4.1 Phytoplankton bloom detection
    [Show full text]
  • Marine Plankton Diatoms of the West Coast of North America
    MARINE PLANKTON DIATOMS OF THE WEST COAST OF NORTH AMERICA BY EASTER E. CUPP UNIVERSITY OF CALIFORNIA PRESS BERKELEY AND LOS ANGELES 1943 BULLETIN OF THE SCRIPPS INSTITUTION OF OCEANOGRAPHY OF THE UNIVERSITY OF CALIFORNIA LA JOLLA, CALIFORNIA EDITORS: H. U. SVERDRUP, R. H. FLEMING, L. H. MILLER, C. E. ZoBELL Volume 5, No.1, pp. 1-238, plates 1-5, 168 text figures Submitted by editors December 26,1940 Issued March 13, 1943 Price, $2.50 UNIVERSITY OF CALIFORNIA PRESS BERKELEY, CALIFORNIA _____________ CAMBRIDGE UNIVERSITY PRESS LONDON, ENGLAND [CONTRIBUTION FROM THE SCRIPPS INSTITUTION OF OCEANOGRAPHY, NEW SERIES, No. 190] PRINTED IN THE UNITED STATES OF AMERICA Taxonomy and taxonomic names change over time. The names and taxonomic scheme used in this work have not been updated from the original date of publication. The published literature on marine diatoms should be consulted to ensure the use of current and correct taxonomic names of diatoms. CONTENTS PAGE Introduction 1 General Discussion 2 Characteristics of Diatoms and Their Relationship to Other Classes of Algae 2 Structure of Diatoms 3 Frustule 3 Protoplast 13 Biology of Diatoms 16 Reproduction 16 Colony Formation and the Secretion of Mucus 20 Movement of Diatoms 20 Adaptations for Flotation 22 Occurrence and Distribution of Diatoms in the Ocean 22 Associations of Diatoms with Other Organisms 24 Physiology of Diatoms 26 Nutrition 26 Environmental Factors Limiting Phytoplankton Production and Populations 27 Importance of Diatoms as a Source of food in the Sea 29 Collection and Preparation of Diatoms for Examination 29 Preparation for Examination 30 Methods of Illustration 33 Classification 33 Key 34 Centricae 39 Pennatae 172 Literature Cited 209 Plates 223 Index to Genera and Species 235 MARINE PLANKTON DIATOMS OF THE WEST COAST OF NORTH AMERICA BY EASTER E.
    [Show full text]
  • Diatoms As Environmental Indicators: a Case Study in the Bioluminescent Bays of Vieques, Puerto Rico
    Hunter, J. 2007. 20th Annual Keck Symposium; http://keck.wooster.edu/publications DIATOMS AS ENVIRONMENTAL INDICATORS: A CASE STUDY IN THE BIOLUMINESCENT BAYS OF VIEQUES, PUERTO RICO JENNA M. HUNTER Beloit College Advisors: Tim Ku; Anna Martini; Carl Mendelson INTRODUCTION Index (IDP). Although slightly different in taxonomic specificity, all indices are similar Diatoms, microscopic, unicellular, eukaryotic in that they yield a numerical value that is algae abundant in most aquatic habitats, are constrained by both a minimum and a maximum useful proxies for the ecological analysis of value. The IDP, as suggested and utilized by three bays on the island of Vieques, Puerto Rico. Levêque Prygiel in 1996, provided the most Acutely sensitive to changes in pH, salinity, straightforward guide during the analysis of temperature, hydrodynamic conditions, and diatoms in this study. The paleoecological value nutrient concentrations, marine diatoms can of the diatoms has also been well demonstrated be identified by their distinct assemblages and by Koizumi (1975). Unfortunately, diatom frustule shape. The ubiquitous distribution assessment is challenging due to the developing of diatoms, their high species diversity, and nature of a formal taxonomy and nomenclature. their siliceous frustule all enable the diatoms to function as sound environmental indicators. Diatoms (Bacillariophyta) are markedly Samples were taken from ten of twenty-seven distinguishable into two orders, the Centrales extruded cores within the three bays, Bahía and the Pennales. The Centrales, or centric Tapón (BT), Puerto Ferro (PF), and Puerto diatoms, have a radial symmetry and are Mosquito (PM), and then investigated for the successful as plankton in marine waters. Their presence and abundance of mid- and late- frustules, or shells, can also be triangular or Holocene marine diatoms.
    [Show full text]
  • Biovolumes and Size-Classes of Phytoplankton in the Baltic Sea
    Baltic Sea Environment Proceedings No.106 Biovolumes and Size-Classes of Phytoplankton in the Baltic Sea Helsinki Commission Baltic Marine Environment Protection Commission Baltic Sea Environment Proceedings No. 106 Biovolumes and size-classes of phytoplankton in the Baltic Sea Helsinki Commission Baltic Marine Environment Protection Commission Authors: Irina Olenina, Centre of Marine Research, Taikos str 26, LT-91149, Klaipeda, Lithuania Susanna Hajdu, Dept. of Systems Ecology, Stockholm University, SE-106 91 Stockholm, Sweden Lars Edler, SMHI, Ocean. Services, Nya Varvet 31, SE-426 71 V. Frölunda, Sweden Agneta Andersson, Dept of Ecology and Environmental Science, Umeå University, SE-901 87 Umeå, Sweden, Umeå Marine Sciences Centre, Umeå University, SE-910 20 Hörnefors, Sweden Norbert Wasmund, Baltic Sea Research Institute, Seestr. 15, D-18119 Warnemünde, Germany Susanne Busch, Baltic Sea Research Institute, Seestr. 15, D-18119 Warnemünde, Germany Jeanette Göbel, Environmental Protection Agency (LANU), Hamburger Chaussee 25, D-24220 Flintbek, Germany Slawomira Gromisz, Sea Fisheries Institute, Kollataja 1, 81-332, Gdynia, Poland Siv Huseby, Umeå Marine Sciences Centre, Umeå University, SE-910 20 Hörnefors, Sweden Maija Huttunen, Finnish Institute of Marine Research, Lyypekinkuja 3A, P.O. Box 33, FIN-00931 Helsinki, Finland Andres Jaanus, Estonian Marine Institute, Mäealuse 10 a, 12618 Tallinn, Estonia Pirkko Kokkonen, Finnish Environment Institute, P.O. Box 140, FIN-00251 Helsinki, Finland Iveta Ledaine, Inst. of Aquatic Ecology, Marine Monitoring Center, University of Latvia, Daugavgrivas str. 8, Latvia Elzbieta Niemkiewicz, Maritime Institute in Gdansk, Laboratory of Ecology, Dlugi Targ 41/42, 80-830, Gdansk, Poland All photographs by Finnish Institute of Marine Research (FIMR) Cover photo: Aphanizomenon flos-aquae For bibliographic purposes this document should be cited to as: Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I.
    [Show full text]
  • Dynamics of Phytoplankton Communities in Eutrophying Tropical Shrimp Ponds Affected by Vibriosis
    1 Marine Pollution Bulletin Achimer September 2016, Volume 110, Issue 1, Pages 449-459 http://dx.doi.org/10.1016/j.marpolbul.2016.06.015 http://archimer.ifremer.fr http://archimer.ifremer.fr/doc/00343/45411/ © 2016 Elsevier Ltd. All rights reserved. Dynamics of phytoplankton communities in eutrophying tropical shrimp ponds affected by vibriosis Lemonnier Hugues 1, *, Lantoine François 2, Courties Claude 2, Guillebault Delphine 2, 3, Nézan Elisabeth 4, Chomérat Nicolas 4, Escoubeyrou Karine 5, Galinié Christian 6, Blockmans Bernard 6, Laugier Thierry 1 1 IFREMER LEAD, BP 2059, 98846 Nouméa cedex, New Caledonia, France 2 Sorbonne Universités, UPMC Univ Paris 06, UMR 8222, LECOB, Observatoire Océanologique, F- 66650 Banyuls/mer, France 3 Microbia Environnement, Observatoire Océanologique de Banyuls, 66650 Banyuls-sur mer, France 4 IFREMER, LER BO, Station de Biologie Marine, Place de la Croix, BP 40537, 29185 Concarneau Cedex, France 5 Sorbonne Universités, UPMC Univ Paris 06, CNRS, Plate-forme Bio2Mar, Observatoire Océanologique, F-66650 Banyuls/Mer, France 6 GFA, Groupement des Fermes Aquacoles, ORPHELINAT, 1 rue Dame Lechanteur, 98800 Nouméa cedex, New Caledonia, France * Corresponding author : Hugues Lemonnier, email address : [email protected] Abstract : Tropical shrimp aquaculture systems in New Caledonia regularly face major crises resulting from outbreaks of Vibrio infections. Ponds are highly dynamic and challenging environments and display a wide range of trophic conditions. In farms affected by vibriosis, phytoplankton biomass and composition are highly variable. These conditions may promote the development of harmful algae increasing shrimp susceptibility to bacterial infections. Phytoplankton compartment before and during mortality outbreaks was monitored at a shrimp farm that has been regularly and highly impacted by these diseases.
    [Show full text]