Vijver, Bart van de - Biologie/Botanik

Vijver, Bart van de - Biologie/Botanik online vergleichen und beim Händler in der Region kaufen

Biologie/Botanik von vijver-bart-van-de auf Lokavendo: Biologie/Botanik von vijver-bart-van-de online im Preis vergleichen und in der Region günstig kaufen

  • Freshwater diatoms from Ile de la Possession (Crozet Archipelago, Subantarctica) Vijver, B: Freshwater diatoms from Ile de la Possession (Cro

    Freshwater diatoms from Ile de la Possession (Crozet Archipelago, Subantarctica) Vijver, B: Freshwater diatoms from Ile de la Possession (Cro

    Ab: 120,00 €
    Inkl. 7% USt., versandkostenfrei (Versandgewicht 688 g)

    Vijver, Bart van de Frenot, Yves Beyens, Louis. The freshwater and terrestrial diatom composition of the Subantarctic island Ile de la Possession is investigated in detail. The island is part of the Crozet Archipelago, situated in the southern Indian Ocean. A total of 220 diatom taxa, belonging to 44 genera have been identified after surveying more than 500 samples, taken from all over the island. The most diverse genera are Pirmularia (41 taxa), Nitzschia (19 taxa), Psammothidium (13 taxa) and Diadesmis (11 taxa). Detailed SEM analysis of all observed taxa resulted in the description of several new species and varieties, especially in the genera Diadesmis and Pinnularia, whereas several others need further observations to be described later on as new taxa. In addition, the taxonomy of the so-called Subantarctic taxa has been thoroughly revised based on the most recent insights. All taxa are morphologically and ecologically characterized and elaborately documented with...

  • The Genus Stauroneis in the Arctic and (Sub-)Antarctic Regions Vijver, B: Genus Stauroneis in the Arctic and (Sub-)Antarcti

    The Genus Stauroneis in the Arctic and (Sub-)Antarctic Regions Vijver, B: Genus Stauroneis in the Arctic and (Sub-)Antarcti

    Ab: 120,00 €
    Inkl. 7% USt., versandkostenfrei (Versandgewicht 639 g)

    Vijver, Bart van de Beyens, Louis Lange-Bertalot, Horst. The diatom genus Stauroneis comprises far more species than actually known. This detailed morphological and taxonomical study of Stauroneis in samples from both the Arctic and (sub-)Antarctic Regions has resulted in the description of 40 new Stauroneis taxa. The 'catch-all' taxoa Stauroneis phoenicenteron, St. anceps and St. obtusa are thoroughly investigated and a lot of new (related) taxa are split off and described. Five taxa are only described provisionally, two from the Antarctic and two from the Arctic Region. It is possible that they represent also new species but more research on other populations should clarify their status. In total, 63 different Stauroneis taxa have been found. There is a clear separation in the genus Stauroneis between taxa occurring in the Arctic and taxa that have been found in the (sub-)Antarctic. Only five taxa ( St. gracilis, St. subgracilis, St. kriegeri, St. acuta and St. heini...