{"id":912,"date":"2018-03-03T13:21:31","date_gmt":"2018-03-03T13:21:31","guid":{"rendered":"http:\/\/mobydick.mio.osupytheas.fr\/?p=912"},"modified":"2018-03-04T11:12:47","modified_gmt":"2018-03-04T11:12:47","slug":"die-ersten-uberraschenden-beobachtungen","status":"publish","type":"post","link":"https:\/\/mobydick.mio.osupytheas.fr\/?p=912","title":{"rendered":"Die ersten \u00fcberraschenden Beobachtungen"},"content":{"rendered":"\t\t
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Am sp\u00e4ten Nachmittag des 25. Februars segelt das Forschungsschiff Marion Dufresne \u00f6stlich des Archipels Kerguelen vorbei. Leider konnten wir die Inseln der Desolation nur aus der Ferne bewundern, denn der Kurs ist Richtung S\u00fcden und der ersten Station unserer Forschungsreise ausgerichtet. Auf dem Programm der n\u00e4chsten 48 Stunden stehen mehrere Eins\u00e4tze der instrumentierten Rosetten, pelagischen Schleppnetze, Planktonnetze und In-situ-Pumpen. Die f\u00fcr den s\u00fcdlichen Ozean \u00fcblichen Wetterbedingungen, durchschnittliche Windst\u00e4rke von 40 Knoten mit Spitzen \u00fcber 50 Knoten, Trog von sechs Metern, unterbrechen unsere Aktivit\u00e4ten am Morgen des 27. Februars; nun hei\u00dft es f\u00fcr die n\u00e4chsten 12 Stunden Abwarten .<\/p>

Die pelagischen Schleppnetze der Nacht sorgen allerdings f\u00fcr viele \u00dcberraschungen mit einer Unmenge von Amphipoden (kleine pelagische Krebstiere der Spezies Themisto gaudichaudii<\/em>) und Salpen (pelagische Filtrierer der Salpa Thompsonii<\/em>) und Fische der Mycthophidae<\/span><\/span>. Am Ende des Nachmittags haben uns 7 Wale einen Besuch abgestattet und unterschiedlichste Vogelarten sind unsere st\u00e4ndigen Begleiter. Trotz des rauhen Klimas mangelt es hier nicht an Biodiversit\u00e4t, selbst Phytoplankton und Mikrozooplankton tragen dazu bei….<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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R\u00fcckkehr des Schleppnetzes bei Nacht<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Plagiotropis sp., Corethron inerme, and Eucampia antarctica, die Stars der Kieselalgen<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Themisto gaudichaudi, eine Schl\u00fcsselart des \u00d6kosystems \u00fcber dem Kerguelen Plateau<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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... und einer der Wale....<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Am sp\u00e4ten Nachmittag des 25. Februars segelt das Forschungsschiff Marion Dufresne \u00f6stlich des Archipels Kerguelen vorbei. Leider konnten wir die Inseln der Desolation nur aus der Ferne bewundern, denn der Kurs ist Richtung S\u00fcden und der ersten Station unserer Forschungsreise ausgerichtet. Auf dem Programm der n\u00e4chsten 48 Stunden stehen mehrere Eins\u00e4tze der instrumentierten Rosetten, pelagischen 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