Last edited by Arasho
Friday, July 31, 2020 | History

2 edition of Life strategy and ecophysiology of Antarctic macroalgae = found in the catalog.

Life strategy and ecophysiology of Antarctic macroalgae =

IvaМЃn M. GoМЃmez

Life strategy and ecophysiology of Antarctic macroalgae =

Lebensstrategie und ökophysiologie mariner Braunalgen der Arktis

by IvaМЃn M. GoМЃmez

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  • 26 Currently reading

Published by Alfred-Wegener-Institut für Polar- und Meeresforschung, Vertrieb durch K. Kamloth in Bremerhaven, Bremen .
Written in English

    Places:
  • Antarctica.
    • Subjects:
    • Marine algae -- Antarctica.,
    • Brown algae -- Antarctica.

    • Edition Notes

      Other titlesLife strategy of Antarctic macroalgae, Lebensstrategie und ökophysiologie mariner Braunalgen der Arktis
      StatementIván M. Gómez.
      SeriesBerichte zur Polarforschung,, Reports on polar research ;, 238, Berichte zur Polarforschung ;, Nr. 238.
      Classifications
      LC ClassificationsQK580.5 .G66 1997
      The Physical Object
      Paginationxii, 99 p. :
      Number of Pages99
      ID Numbers
      Open LibraryOL402435M
      LC Control Number98101805
      OCLC/WorldCa37749665

        Stress tolerance of Antarctic macroalgae in the early life stages Nelso P. Navarro, Pirjo Huovinen, and Iván Gómez Revista Chilena de Historia Natural, , Vol Number 1Cited by: The Journal of Phycology was founded in by the Phycological Society of America. All aspects of basic and applied research on algae are included to provide a common medium for the ecologist, physiologist, cell biologist, molecular biologist, morphologist, oceanographer, taxonomist, geneticist, and biochemist. The Journal also welcomes research that emphasizes Cited by:

      Life strategy, ecophysiology and ecology of seaweeds in polar waters Book Filter Year Title Altmetric; Algal chemical ecology. Ed. I am also interested in the ecophysiology and population structure of Antarctic macroalgae and microalgae. Other, previous work has included research on environmental factors Occupation: Professor. Ecophysiology of Antarctic macroalgae: effects of environmental light the "season anticipation" strategy of large brown algae such as Ascoseira mirabilis and Desmarestia menziesii are based on the ability of their photosynthetic apparatus to make use of the which provided preliminary insights into the life history of Antarctic by:

      Hagen W., Kattner G. The role of lipids in the life history of the Antarctic silverfish Pleuragramma antarctica. p. In: The Antarctic silverfish: a keystone species in a changing ecosystem (M. Vacchi, E. Pisano, Ghigliotti, eds.) Advances in Polar Ecology, Springer, Heidelberg, pp.   Mycosporine-like amino acids (MAAs) that absorb UV radiation (– nm) were investigated in 34 species of benthic marine invertebrates (fourteen sponges, two cnidarians, one nemertean, four molluscs, one bryozoan, two arthropods, eight echinoderms and two tunicates), two species of benthic fish and two species of red algae collected during the Cited by:


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Life strategy and ecophysiology of Antarctic macroalgae = by IvaМЃn M. GoМЃmez Download PDF EPUB FB2

Many Antarctic macroalgae synchronize their reproductive processes to cope with the seasonal variations in daylengths. In algae exhibiting a heteromorphic life-history, the development of small gametophytes and large sporophytes is seasonally determined and involves different physiological adaptations.

Get this from a library. Life strategy and ecophysiology of Antarctic macroalgae = Lebensstrategie und ökophysiologie mariner Braunalgen der Arktis. [Iván M Gómez]. and they are better suited to dim light conditions than adult sporophytes.

This strategy ensures the completion of the life-cycle under seasonally changing light conditions. Low light requirements for growing and photosynthesizing are developed to cope with Antarctic seasonality and constitute adaptations to expand depth zonation of macroalgae.

Life strategy and ecophysiology of Antarctic macroalgae = Lebensstrategie und Ökophysiologie mariner Braunalgen der Arktis By I.

Gomez Download PDF (2 MB)Author: I. Gomez. Daylength is the major environmental factor affecting the seasonal photosynthetic performance of Antarctic : Ivan Gomez.

The paper summarises the present knowledge of seaweeds from both polar regions with regard to the following topics: the history of seaweed research in polar regions; the environment of seaweeds in polar waters; biodiversity, biogeographical relationships and vertical distribution of Arctic and Antarctic seaweeds; life histories and physiological thallus Cited by: from book Life in Extreme Environments (pp) Life strategy, ecophysiology and ecology of seaweeds in polar waters Article January with Reads.

At lower latitudes, e.g. close to the northern limit of the Antarctic region, in the South Shetland Islands, daylength varies between 5 h in winter and 20 h in summer (Wiencke a). This extreme light regime has strong implications for primary productivity in general and for the seasonal development of seaweeds.

Gomez I () Life strategy and ecophysiology of Antarctic macroalgae. Ber Polarforsch 1–99 Google Scholar Gomez I and Wiencke C () Photosynthesis, dark respiration and pigment content of gametophytes and sporophytcs of the Antarctic brown alga Desmarestia by: Life strategy, ecophysiology and ecology of seaweeds in polar waters.

Reviews in Environmental Science and Bio/TechnologyDOI: /s Yusheng M. Huang, James B. McClintock, Charles D. Amsler, Kevin J. Peters, Bill J. Baker. Feeding rates of common Antarctic gammarid amphipods on ecologically important sympatric by: 62 a a r Benthic Macroalgae Diversity in aDMiralty Bay (King george islanD, south shetlanD islanDs, antarctic Peninsula) Yocie Yoneshigue Valentin,1* Adriana Galindo Dalto1 & Lísia Mônica de Souza Gestinari2 1 Laboratório de Macroalgas Marinhas Marinho, Departamento de Botânica, Instituto de Biologia, Universidade Federal do Rio de Janeiro – UFRJ, Rio de.

Research on the ecophysiology of polar macroalgae originally focussed on depth zonation pattern as well as basic photosynthetic, nutritional and growth characteristics at near freezing temperatures. More recently a number of studies have dealt with functional and structural strategies that allow polar species to cope with the longAuthor: Francisco J.

Gordillo. Gómez I. Life strategy and ecophysiology of Antarctic macroalgae. Ber. Polarforsch. Gómez I., Wiencke C. Seasonal growth and photosynthetic performance of the Antarctic macroalga Desmarestia menziesii (Phaeophyceae) cultured under fluctuating Antarctic daylengths.

Bot. Acta Author: Natàlia Sant, Enric Ballesteros. Antarctic macroalgaeources of VHOCs While it is generally assumed that VHOCs have a role in chemical defence, trophic relations between herbivores and Antarctic macroalgae suggest that some algae like Des- marestia anceps or D.

menziesii, which release high quantities of VHOCs, are an important food for a variety of marine herbivores (Iken, ).Cited by: The Antarctica region is characterized by extreme weather conditions and abundant aggregations of macroalgae.

However, current knowledge on their biodiversity and their potential for bio-prospecting is still by: 7. Biodiversity and ecophysiology of macroalgae (Dr. Falace) In the contest of the Marine Strategy Directive our researches focused on the structure of Rhodolith beds of the Tyrrhenian Sea, with the aim to evaluate the degree of conservation of this habitat.

Link to ROC-POP-LIFE. Please check your email for instructions on resetting your password. If you do not receive an email within 10 minutes, your email address may not be registered, and Cited by:   Seaweeds, also known as macroalgae, are among the most important primary producers and act as ecological engineers on rocky coasts of the world’s oceans.

In addition to their extreme ecological importance they are also of high economic relevance. Complementing available textbooks with its more research-oriented approach, this volume contains 22 3/5(1). Seaweeds (macroalgae) represent the most striking living components in the Antarctic’s near-shore ecosystems, especially across the West Antarctic Peninsula and adjacent islands.

Due to their abundance, their central roles as primary producers and foundation organisms, and as sources of diverse metabolically active products, seaweed. Macroalgae samples.

Samples of macroalgae C. jacquinotii, I. cordata, H. grandifolius, and P. endiviifolia were collected during the expeditions integrating the Brazilian Antarctic Program, between January and Februaryin Admiralty Bay, at different sites on King George Island, Antarctica.

Collected macroalgae were dried at room temperature and placed in plastic bags to Cited by: 7. Before this, the life history of Antarctic seaweeds was mostly unknown and eco-physiological data fragmentary. Clayton () summarized the present state of our knowledge regarding the evolutionary aspects of Antarctic seaweeds, while Krist and Wiencke () presented an account of eco-physiology of micro and macro algae from Antarctic and Cited by: A translated, thoroughly revised, and updated edition of the German work.

Part I presents the geographic distribution of seaweeds and seagrasses around the world, environmental factors, floral history, and relevant paleoceanographic considerations, covered geographically. Part II covers seaweed ecophysiology, including the relationships of light, temperature, salinity, and .Light (PAR; photosynthetically active radiation) is generally considered the most important environmental variable for Antarctic macroalgae, particularly since inorganic nutrient levels are rarely, if ever, growth limiting and annual temperature variations are small [7,26].

PAR, along with ultraviolet radiation and wave surge, vary with by: 8.