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Newsletter 4
PHYCOLOGICAL NEWSLETTER A PUBLICATION OF THE PHYCOLOGICAL SOCIETY OF AMERICA WINTER INSIDE THIS ISSUE: 2008 PSA Meeting 1 SPRING 2008 Meetings and Symposia 2 Editor: Courses 5 Juan Lopez-Bautista VOLUME 44 Job Opportunities 11 Department of Biological Sciences Trailblazer 28: Sophie C. Ducker 12 University of Alabama Island to honor UAB scientists 18 Tuscaloosa, AL 35487 Books 19 [email protected] Deadline for contributions 23 ∗Dr. Karen Steidinger (Florida Fish and 1 2008 Meeting of Wildlife Research Institute) presenting The Phycological Society of America a plenary talk entitled “Harmful algal blooms in North America: Common risks.” New Orleand, Louisiana, USA NUMBER 27-30 July The associated mini-symposium speakers will be Dr. Leanne Flewelling (Florida Fish he Phycological Society of America (PSA) will and Wildlife Research Institute) present- hold its 2008 annual meeting on July 27-30, ing a talk entitled “Unexpected vectors of 1 T2008 in New Orleans, Louisiana, USA. The brevetoxins to marine mammals” and Dr. meeting will be held on the campus of Loyola Jonathan Deeds (US FDA Center for Food University and is being hosted by Prof. James Wee Safety and Applied Nutrition) present- (Loyola University). The meeting will kick-off with ing a talk entitled “The evolving story of an opening mixer on the evening of Sunday, 27 July Gyrodinium galatheanum = Karlodinium and the scientific program will be Monday through micrum = Karlodinium veneficum. A ten- Wednesday, 28-30 July. The PSA banquet will be year perspective.” Wednesday evening at the Louisiana Swamp Ex- hibit at the Audubon Zoo. Optional field trips are *Dr. John W. -
The Red Alga Polysiphonia (Rhodomelaceae) in the Northern Gulf of California
The Red Alga Polysiphonia (Rhodomelaceae) in the Northern Gulf of California GEORGE J. HOLLENBERG ' • ,. • •a and JAMES N. NORRIS SMITHSONIAN CONTRIBUTIONS TO THE MARINE SCIENCES SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTION Emphasis upon publication as a means of "diffusing knowledge" was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge." This theme of basic research has been adhered to through the years by thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to the Marine Sciences Smithsonian Contributions to Paleobiology Smithsonian Contributions to Zoology Smithsonian Studies in Air and Space Smithsonian Studies in History and Technology In these series, the Institution publishes small papers and full-scale monographs that report the research and collections of its various museums and bureaux or of professional colleagues in the world cf science and scholarship. The publications are distributed by mailing lists to libraries, universities, and similar institutions throughout the world. Papers or monographs submitted for series publication are received by the Smithsonian Institution Press, subject to its own review for format and style, only through departments of the various Smithsonian museums or bureaux, where the manuscripts are given substantive review. -
Phaeophyceae)
Within-thallus variation on phlorotannin contents and physodes amount in Stypopodium zonale (Phaeophyceae) 1 1 GLAUCIA ANK ; WLADIMIR DA COSTA PARADAS ; GILBERTO MENEZES AMADO- 2 1 1* FILHO ; BERNARDO ANTÔNIO PEREZ DA GAMA & RENATO CRESPO PEREIRA . 1Universidade Federal Fluminense, Departamento de Biologia Marinha, Niterói, Brasil. * Corresponding author: [email protected] 2Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Diretoria de Pesquisas, Rio de Janeiro, Brasil. Abstract. Phlorotannins are defensive compounds produced by brown macroalgae and stored in vesicles called physodes. However, few studies have been performed to determine the relationship between the number of these cellular structures and the total amount of phlorotannins in different regions of the thalli of seaweeds. In order to verify this relationship, we quantified the number of physodes and the amount of phlorotannins in apical and basal portions of Stypopodium zonale thallus. The results showed that S. zonale apical regions exhibited significantly lower phlorotannin concentrations (0.49% DW + 0.04) than corresponding basal ones (0.78% DW + 0.21; p = 0.007). In addition, apical and basal regions of S. zonale also differed in the density of physodes, since apical fragments exhibited less physodes per cell (10.8 + 5.85) than basal fragments (42.73 + 16.16; p = 0.0035). Due to the defensive property of phlorotannins, a low amount of phlorotannins and physodes can become young or apical regions of S. zonale more susceptible to herbivory. Keywords: phlorotannins, physodes, tropical macroalga, Stypopodium zonale Resumo. Variação intra-talo da concentração de polifenóis e da quantidade de fisóides em Stypopodium zonale (Phaeophyceae). Florotaninos são conhecidos como substâncias defensivas produzidas por macroalgas pardas e armazenados em fisóides. -
A Non-Native Macroalga Is Less Attractive for Herbivores but More
Ramalhosa et al. Helgol Mar Res (2016) 70:25 DOI 10.1186/s10152-016-0478-3 Helgoland Marine Research ORIGINAL ARTICLE Open Access A non‑native macroalga is less attractive for herbivores but more susceptible to light limitation and grazing stress than a comparable native species Patrício Ramalhosa1,2* , Sarah‑Lena Debus3,4, Manfred Kaufmann2,5,6 and Mark Lenz7 Abstract It has been suggested that non-native species are more tolerant towards abiotic stress than ecologically compara‑ ble native species. Furthermore, non-native marine macroalgae should be under lower grazing pressure than native seaweeds, because they left their co-evolved enemies behind. As a consequence, they generally need to allocate less energy to defences and can invest more into compensating the negative effects of abiotic stress or, assuming that grazing pressure is low but not zero, to defensive reactions following grazer attack. This, in turn, should make them more stress tolerant and less susceptible to herbivory. However, empirical evidence for both concepts is still scarce and very little is known about whether enemy release is commonly associated with an enhanced tolerance towards abiotic or biotic stress. We therefore ran an experimental study that (a) assessed attractiveness for grazers, (b) verified whether short-term low-light stress impairs growth and (c) investigated whether light limitation and previous grazing interactively affect the consumption of two macroalgae from Madeira Island, the native brown alga Stypopodium zonale and the non-native red alga Grateloupia imbricata by the sea urchin Paracentrotus lividus. To come to ecologi‑ cally meaningful low-light stress levels, pilot studies were performed in order to determine the light compensation point of photosynthesis for each algal species and then we established six light regimes around this point by reduc‑ ing the amount of incoming light. -
Acanthophora Dendroides Harvey (Rhodomelaceae), a New Record for the Atlantic and Pacific Oceans
15 3 NOTES ON GEOGRAPHIC DISTRIBUTION Check List 15 (3): 509–514 https://doi.org/10.15560/15.3.509 Acanthophora dendroides Harvey (Rhodomelaceae), a new record for the Atlantic and Pacific oceans Gabriela C. García-Soto, Juan M. Lopez-Bautista The University of Alabama, Department of Biological Sciences, Science and Engineering Complex, 1325 Hackberry Ln, Tuscaloosa, AL 35401, USA. Corresponding author: Gabriela García-Soto, [email protected] Abstract We record Acanthophora dendroides Harvey for the first time in the Atlantic Ocean. Two specimens from the Philip- pines were resolved as conspecific to the Atlantic A. dendroides in molecular analyses extending its geographic range to the Philippines. In light of new evidence provided by field-collected specimens ofAcanthophora spicifera (M.Vahl) Børgesen (generitype) from Florida and Venezuela, the flattened species A. pacifica(Setchell) Kraft, showed no affin- ity to Acanthophora sensu stricto, suggesting that the genus should be restricted to cylindrical species only. Key words Atlantic Ocean, Philippines, taxonomy. Academic editor: Luciane Fontana da Silva | Received 8 October 2018 | Accepted 21 January 2019 | Published 21 June 2019 Citation: García-Soto GC, Lopez-Bautista JM (2019) Acanthophora dendroides Harvey (Rhodomelaceae), a new record for the Atlantic and Pacific oceans. Check List 15 (3): 509–514. https://doi.org/10.15560/15.3.509 Introduction Kraft are restricted to the Pacific Ocean (Guiry and Guiry 2018), A. dendroides Harvey to the Indian Ocean The genus Acanthophora J.V. Lamouroux 1813 is a (Silva et al. 1996) and A. ramulosa Lindenb. ex. Kutz- member of the tribe Chondrieae and it is distinguished from other genera of the tribe by the presence of spirally ing appears to be confined to the Gulf of Guinea in West arranged acute spines (Gordon-Mills and Womersley Africa (Steentoft 1967). -
Aeropalynological Study of Yangmingshan National Park, Taiwan
Taiwania, 50(2): 101-108, 2005 Two Marine Brown Algae (Phaeophyceae) New to Pratas Island Showe-Mei Lin(1,2), Shin-Yi Chang(1) and Chia-Ming Kuo(1) (Manuscript received 24 January, 2005; accepted 22 March, 2005) ABSTRACT: Two marine brown algae, Cladosiphon okamuranus Tokida and Stypopodium flabelliforme Weber-van Bosse, are reported from Pratas Island for the first time. Diagnostic morphological features are illustrated and the taxonomic status of the two species is also discussed. KEY WORDS: Marine brown algae, Phaeophyceae, Cladosiphon okamuranus, Stypopodium flabelliforme. INTRODUCTION The marine macro-algal flora of Taiwan has been studied by numerous phycologists (summarized in Lewis and Norris, 1987). The recorded number of species reaches over 500 (Lewis and Norris, 1987; Chiang and Wang, 1987; Huang, 1990, 1991, 1999a, 1999b; Wang and Chiang, 1993; Wang et al., 1993; Huang and Chang, 1999; Lin, 2002, 2004; Lin et al., 2002, 2004a, 2004b; Lin and Fredericq, 2003). The number of marine macro-algal species for the region has recently increased due to intensive investigations this past decade (Huang, 1991, 1999a, 1999b; Wang et al., 1993; Huang and Chiang, 1999), and numerous new species continue to be discovered (Lewis et al., 1996; Lin et al., 2002). The marine flora of Pratas Island, a remote island situated at South China Sea between Hong Kong and the Philippines and one of territories of Taiwan, has been little studied in the past decades (Chiang, 1975; Lewis and Lin, 1994). Pratas Island, 2 km in length by 0.8 km in width, is part of emerged coral reef areas in western side of Pratas Atoll, ca. -
Audouinella Violacea (Kutz.) Hamel (Acrochaetiaceae, Rhodophyta)
Proceedings of the Iowa Academy of Science Volume 84 Number Article 5 1977 A Floridean Red Alga New to Iowa: Audouinella violacea (Kutz.) Hamel (Acrochaetiaceae, Rhodophyta) Donald R. Roeder Iowa State University Let us know how access to this document benefits ouy Copyright ©1977 Iowa Academy of Science, Inc. Follow this and additional works at: https://scholarworks.uni.edu/pias Recommended Citation Roeder, Donald R. (1977) "A Floridean Red Alga New to Iowa: Audouinella violacea (Kutz.) Hamel (Acrochaetiaceae, Rhodophyta)," Proceedings of the Iowa Academy of Science, 84(4), 139-143. Available at: https://scholarworks.uni.edu/pias/vol84/iss4/5 This Research is brought to you for free and open access by the Iowa Academy of Science at UNI ScholarWorks. It has been accepted for inclusion in Proceedings of the Iowa Academy of Science by an authorized editor of UNI ScholarWorks. For more information, please contact [email protected]. Roeder: A Floridean Red Alga New to Iowa: Audouinella violacea (Kutz.) Ha A Floridean Red Alga New to Iowa: Audouinella violacea (Kutz.) Hamel (Acrochaetiaceae, Rhodophyta) DONALD R. ROEDER 1 D ONALD R. R OEDER (Department of Botany and Plant Pathology, Iowa dominant wi th Cladophora glomerata (L.) Kutz. The alga was morphologicall y State University, Ames, Iowa 50011 ). A floridean red alga new to Iowa: similar to the Chantransia -stage of Batrachospermum fo und elsewhere in Iowa. Audouinella violacea (Kutz.) Hamel (Acrochaetiaceae, Rhodophyta), Proc. However, because mature Batrachospermum pl ants were never encountered in IowaAcad. Sci. 84(4): 139- 143, 1977. the Skunk River over a five year period, the aJga was assumed to be an Audouinella violacea (Kutz.) Hamel, previously unreported from Iowa, was an independent entity. -
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Cryptogamie, Algol., 2003, 24 (2): 117-131 © 2003 Adac. Tous droits réservés Blue-greenish acrochaetioid algae in freshwater habitats are “Chantransia” stages of Batrachospermales sensu lato (Rhodophyta) Marcelo Ribeiro ZUCCHI and Orlando NECCHI Jr* Departamento de Zoologia e Botânica, Universidade Estadual Paulista, Rua Cristóvão Colombo, 2265 - 15054-000 - São José do Rio Preto, SP, Brazil. Fax: 55 (17) 224-8692 (Received 25 February 2002, accepted 15 September 2002) Abstract — Fourteen culture isolates of freshwater acrochaetioid algae from distinct regions around the world were analysed, including the reddish species Audouinella hermannii, the dubious blue-greenish species A. pygmaea, and “Chantransia” stages from distinct taxonomic origins in the Batrachospermales sensu lato (Batrachospermaceae, Lemaneaceae and Thoreaceae). Four isolates (two ‘Chantransia’ stages and two species of Audouinella, A. hermannii and A. pygmaea) were tested under experimental conditions of temperature (10-25 oC), irradiance (65 and 300 µmol photons m–2 s–1) and photoperiod (16:8 h and 8:16 h light/dark cycles). Plant colour is proposed as the only vegetative char- acter that can be unequivocally applied to distinguish Audouinella from ‘Chantransia’, blue- greenish representing “Chantransia” stages and reddish applying to true Audouinella species (also forming reproductive structures other than monosporangia, e.g. tetrasporan- gia). Some isolates of A. pygmaea were proven to be unequivocally ‘Chantransia” stages owing either to production of juvenile gametophytes or to derivation from carpospores. No association of the morphology of A. pygmaea was found with any particular species, thus it should be regarded as a complex involving many species of the Batrachospermales sensu lato, as is also the case with A. -
2004 University of Connecticut Storrs, CT
Welcome Note and Information from the Co-Conveners We hope you will enjoy the NEAS 2004 meeting at the scenic Avery Point Campus of the University of Connecticut in Groton, CT. The last time that we assembled at The University of Connecticut was during the formative years of NEAS (12th Northeast Algal Symposium in 1973). Both NEAS and The University have come along way. These meetings will offer oral and poster presentations by students and faculty on a wide variety of phycological topics, as well as student poster and paper awards. We extend a warm welcome to all of our student members. The Executive Committee of NEAS has extended dormitory lodging at Project Oceanology gratis to all student members of the Society. We believe this shows NEAS members’ pride in and our commitment to our student members. This year we will be honoring Professor Arthur C. Mathieson as the Honorary Chair of the 43rd Northeast Algal Symposium. Art arrived with his wife, Myla, at the University of New Hampshire in 1965 from California. Art is a Professor of Botany and a Faculty in Residence at the Jackson Estuarine Laboratory of the University of New Hampshire. He received his Bachelor of Science and Master’s Degrees at the University of California, Los Angeles. In 1965 he received his doctoral degree from the University of British Columbia, Vancouver, Canada. Over a 43-year career Art has supervised many undergraduate and graduate students studying the ecology, systematics and mariculture of benthic marine algae. He has been an aquanaut-scientist for the Tektite II and also for the FLARE submersible programs. -
Collections from the Mesophytic Zone Off Bermuda Reveal Three Species of Kallymeniaceae (Gigartinales, Rhodophyta) in Genera with Transoceanic Distributions1
J. Phycol. *, ***–*** (2019) © 2018 Phycological Society of America DOI: 10.1111/jpy.12828 COLLECTIONS FROM THE MESOPHYTIC ZONE OFF BERMUDA REVEAL THREE SPECIES OF KALLYMENIACEAE (GIGARTINALES, RHODOPHYTA) IN GENERA WITH TRANSOCEANIC DISTRIBUTIONS1 Craig W. Schneider 2 Department of Biology, Trinity College, Hartford, Connecticut 06106,USA Thea R. Popolizio Department of Biology, Salem State University, Salem, Massachusetts 01970, USA and Gary W. Saunders Centre for Environmental & Molecular Algal Research, Department of Biology, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3 A molecular survey of red algae collected by mostly on sorting out taxa above the species level in technical divers and submersibles from 90 m in the order to present a “contemporary genus-level taxo- mesophotic zone off the coast of Bermuda revealed nomic framework” built on the principle of mono- three species assignable to the Kallymeniaceae. Two phyly for other workers to later fill in species. One of the species are representative of recently described genus previously placed in synonymy with Kallymenia genera centered in the western Pacific in Australia was resurrected (Euhymenia; but see Wynne 2018), and New Zealand, Austrokallymenia and Psaromenia several species were moved to newly described gen- and the third from the Mediterranean Sea and the era removing polyphyletic or paraphyletic group- eastern Atlantic, Nothokallymenia. A phylogenetic ings, and ten new genera were erected to house analysis of concatenated mitochondrial (COI-5P) and them (Saunders et al. 2017). chloroplast (rbcL) genes, as well as morphological Many of the species discovered in the mesophotic characteristics, revealed that two are shown to be new zone off Bermuda in 2016 on the Nekton XL Catlin species with distant closest relatives (N. -
J. Phycol. 53, 32–43 (2017) © 2016 Phycological Society of America DOI: 10.1111/Jpy.12472
J. Phycol. 53, 32–43 (2017) © 2016 Phycological Society of America DOI: 10.1111/jpy.12472 ANALYSIS OF THE COMPLETE PLASTOMES OF THREE SPECIES OF MEMBRANOPTERA (CERAMIALES, RHODOPHYTA) FROM PACIFIC NORTH AMERICA1 Jeffery R. Hughey2 Division of Mathematics, Science, and Engineering, Hartnell College, 411 Central Ave., Salinas, California 93901, USA Max H. Hommersand Department of Biology, University of North Carolina at Chapel Hill, CB# 3280, Coker Hall, Chapel Hill, North Carolina 27599- 3280, USA Paul W. Gabrielson Herbarium and Department of Biology, University of North Carolina at Chapel Hill, CB# 3280, Coker Hall, Chapel Hill, North Carolina 27599-3280, USA Kathy Ann Miller Herbarium, University of California at Berkeley, 1001 Valley Life Sciences Building 2465, Berkeley, California 94720-2465, USA and Timothy Fuller Division of Mathematics, Science, and Engineering, Hartnell College, 411 Central Ave., Salinas, California 93901, USA Next generation sequence data were generated occurring south of Alaska: M. platyphylla, M. tenuis, and used to assemble the complete plastomes of the and M. weeksiae. holotype of Membranoptera weeksiae, the neotype Key index words: Ceramiales; Delesseriaceae; holo- (designated here) of M. tenuis, and a specimen type; Membranoptera; Northeast Pacific; phylogenetic examined by Kylin in making the new combination systematics; plastid genome; plastome; rbcL M. platyphylla. The three plastomes were similar in gene content and length and showed high gene synteny to Calliarthron, Grateloupia, Sporolithon, and Vertebrata. Sequence variation in the plastome Freshwater and Rueness (1994) were the first to coding regions were 0.89% between M. weeksiae and use gene sequences to address species-level taxo- M. tenuis, 5.14% between M. -
Delesseriaceae, Rhodophyta), Based on Hypoglossum Geminatum Okamura
Phycologia Volume 55 (2), 165–177 Published 12 February 2016 Wynneophycus geminatus gen. & comb. nov. (Delesseriaceae, Rhodophyta), based on Hypoglossum geminatum Okamura 1 1 3 1,2 SO YOUNG JEONG ,BOO YEON WON ,SUZANNE FREDERICQ AND TAE OH CHO * 1Department of Life Science, Chosun University, Gwangju 501-759, Korea 2Marine Bio Research Center, Chosun University, Wando, Jeollanam-do 537-861, Korea 3Department of Biology, University of Louisiana at Lafayette, Lafayette, LA 70504-3602, USA ABSTRACT: Wynneophycus gen. nov. (Delesseriaceae, Ceramiales) is a new monotypic genus based on Hypoglossum geminatum Okamura, a species originally described from Japan. Wynneophycus geminatus (Okamura) comb. nov.is characterized by a discoid holdfast, erect or decumbent monostromatic blades with percurrent midribs, production of new blades from the midrib axial cells and absence of microscopic veins. In addition, it has apical cell division, several orders of lateral cell rows and paired transverse periaxial cells and formation of second-order cell rows from lateral cells with all forming third-order cell rows, with the midrib becoming corticated and forming a subterete stipe below as the blade wings are lost. Distinctive features of the new genus include tetrasporangia initiated from and restricted to single rows of second-order cells arranged in a single layer, cover cells developing prior to the tetrasporangia and an absence of intercalary cell divisions. Phylogenetic analyses of rbcL and large-subunit rDNA sequence data support the separation of Wynneophycus from Hypoglossum. We herein report on W. geminatus gen. & comb. nov. and delineate the new tribe Wynneophycuseae within the subfamily Delesserioideae of the family Delesseriaceae. KEY WORDS: Delesserioideae, LSU rDNA, Morphology, Phylogeny, rbcL, Rhodophyta, Wynneophycus, Wynneophycus geminatus, Wynneophycuseae INTRODUCTION Zheng 1998; Wynne & De Clerck 2000; Stegenga et al.