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    Reference Work Entry In depth

    Chrysophyta

    The chrysophytes (more than 1,200 described species) are unicellular or colonial algae characterized by heterokont flagella and chloroplasts with chlorophyll a and c, and by their endogenous silicified stomatocys...

    Jørgen Kristiansen, Pavel Škaloud in Handbook of the Protists (2017)

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    Living Reference Work Entry In depth

    Chrysophyta

    The chrysophytes (more than 1,200 described species) are unicellular or colonial algae characterized by heterokont flagella and chloroplasts with chlorophyll a and c, and by their endogenous silicified stomatocys...

    Jørgen Kristiansen, Pavel Škaloud in Handbook of the Protists

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    Chapter

    Dispersal and biogeography of silica-scaled chrysophytes

    The silica-scaled chrysophytes—here mainly represented by the freshwater genera Mallomonas and Synura—have special problems in dispersal from one habitat to another because they cannot tolerate desiccation. Their...

    Jørgen Kristiansen in Protist Diversity and Geographical Distribution (2009)

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    Article

    Dispersal and biogeography of silica-scaled chrysophytes

    The silica-scaled chrysophytes—here mainly represented by the freshwater genera Mallomonas and Synura—have special problems in dispersal from one habitat to another because they cannot tolerate desiccation. Their...

    Jørgen Kristiansen in Biodiversity and Conservation (2008)

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    Article

    From IAAP to IAP

    A short survey is given of the development of the “Internationale Arbeitgruppe Aktiver Phytoplanktologen” into “International Association for Phytoplankton Taxonomy and Ecology” — from informal Central Europea...

    Jørgen Kristiansen in Hydrobiologia (2003)

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    Chapter and Conference Paper

    From IAAP to IAP

    A short survey is given of the development of the “Internationale Arbeitgruppe Aktiver Phytoplanktologen” into “International Association for Phytoplankton Taxonomy and Ecology” — from informal Central Europea...

    Jørgen Kristiansen in Phytoplankton and Equilibrium Concept: The… (2003)

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    Article

    Phytoplankton succession in the oligotrophic Lake Stechlin (Germany) in 1994 and 1995

    Phytoplankton samples were taken weekly from January to December of 1994 (epilimnion) and 1995 (0–25 m, euphotic zone) from the deep, stratified, alkaline, oligotrophic Lake Stechlin, Baltic Lake District, Ger...

    Judit Padisák, Lothar Krienitz, Wolfram Scheffler, Rainer Koschel in Hydrobiologia (1998)

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    Book and Conference Proceedings

    Phytoplankton and Trophic Gradients

    Proceedings of the 10th Workshop of the International Association of Phytoplankton Taxonomy & Ecology (IAP), held in Granada, Spain, 21–29 June 1996

    Miguel Alvarez-Cobelas in Developments in Hydrobiology (1998)

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    Chapter and Conference Paper

    Phytoplankton succession in the oligotrophic Lake Stechlin (Germany) in 1994 and 1995

    Phytoplankton samples were taken weekly from January to December of 1994 (epilimnion) and 1995 (0–25 m, euphotic zone) from the deep, stratified, alkaline, oligotrophic Lake Stechlin, Baltic Lake District, Ger...

    Judit Padisák, Lothar Krienitz, Wolfram Scheffler in Phytoplankton and Trophic Gradients (1998)

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    Article

    17. Biogeography of freshwater algae — conclusions and perspectives

    Jørgen Kristiansen in Hydrobiologia (1996)

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    Article

    16. Dispersal of freshwater algae — a review

    A survey is given on the various methods for dispersal of freshwater algae. Dispersal factors are either water or air, or organisms — from beetles, dragonflies and mammals to birds, the latter being the most i...

    Jørgen Kristiansen in Hydrobiologia (1996)

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    Book

    Biogeography of Freshwater Algae

    Proceedings of the Workshop on Biogeography of Freshwater Algae, held during the Fifth International Phycological Congress, Qingdao, China, June 1994

    Jørgen Kristiansen in Developments in Hydrobiology (1996)

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    Chapter

    Biogeography of freshwater algae — conclusions and perspectives

    As indicated by the title, the contributions in this volume in various ways deal with the biogeography of freshwater algae. This problem complex is here approached from many different angles, to give as comple...

    Jørgen Kristiansen in Biogeography of Freshwater Algae (1996)

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    Chapter

    Dispersal of freshwater algae — a review

    A survey is given on the various methods for dispersal of freshwater algae. Dispersal factors are either water or air, or organisms — from beetles, dragonflies and mammals to birds, the latter being the most i...

    Jørgen Kristiansen in Biogeography of Freshwater Algae (1996)

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    Article

    A bloom of Mallomonas acaroides, a silica-scaled chrysophyte, in the crater pond of a **o, Northwest Greenland

    For the first time, phytoplankton has been collected from the extreme environment of a crater pond of a **o (Arctic mud volcano), situated in Svarlenhuk, Northwest Greenland. It contained a bloom of a specia...

    Jørgen Kristiansen, Lena Redder Wilken, Torben Jürgensen in Polar Biology (1995)

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    Article

    Potential toxicity of the freshwater Chrysochromulina species C. parva (Prymnesiophyceae)

    A mass development of Chrysochromulina parva Lackey — 614 000 cells per ml, associated with fish mortality, is reported from a small Danish lake. None of the analyses performed showed any reason for the fish kill...

    Lone Reersø Hansen, Jørgen Kristiansen, Jørn Vistisen Rasmussen in Hydrobiologia (1994)

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    Article

    Fourth International Phytoplankton Workshop Salten Skov, Silkeborg, Denmark, 19–27 May 1982

    Jørgen Kristiansen, Kirsten Olrik in Schweizerische Zeitschrift für Hydrologie (1983)

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    Article

    Solved and unsolved problems in the chrysophyceae

    Jørgen Kristiansen in Schweizerische Zeitschrift für Hydrologie (1981)

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    Article

    Problems in classification and identification of Synuraceae (Chrysophyceae)

    In the Synuraceae, the silica scales which cover the cell surface are of great taxonomic importance, although their delicate structure requires use of electron microscopy. Many species have been incompletely d...

    Jørgen Kristiansen in Schweizerische Zeitschrift für Hydrologie (1978)

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    Article

    Structural connections between flagellar base and stigma inDinobryon

    JØrgen Kristiansen, Patricia L. Walne in Protoplasma (1976)

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