Kurzfassung
Das Wachstum der oberjurassischen koloniebildenden KoralleActinastrea matheyi von Portugal wurde von abiotischen Einflüssen (Wasserenergie und Sedimentanlieferungen) und biotischen Einflüssen (Befall durch Räuber sowie epöker und endöker Parasitismus) kontrolliert. Es lassen sich an den Stockkorallen mehrere Wachstumsphasen erkennen, die durch Phasen hoher Wasserenergie, verbunden mit Umlagerung der Korallenstöcke, unterbrochen wurden. Zusätzlich trat starker Befall von Räubern und Parasiten auf.
Abstract
Development and growth of Upper Jurassic colonial corals(Actinastrea matheyi) from Portugal was ruled by abiotic factors (water energy, sedimentation rate) and biotic factors (predation and parasitism). Phases of growth were interrupted by high energy events which caused tilting of the corals. In addition, intensified parasitism and predation occurred.
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Oschmann, W. Growth and environmental hazards of the upper jurassic colonial coralactinastrea matheyi (koby) from Portugal. Paläont. Z. 63, 193–205 (1989). https://doi.org/10.1007/BF02989508
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DOI: https://doi.org/10.1007/BF02989508