Inicio > Matemáticas y ciencia > Biologia, ciencias de la vida > Untersuchung der Artenvielfalt der marinen Makroalgen von El Jadida
Untersuchung der Artenvielfalt der marinen Makroalgen von El Jadida

Untersuchung der Artenvielfalt der marinen Makroalgen von El Jadida

Noreddine Rezzoum

113,12 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Biologia, ciencias de la vida
ISBN:
9786630489637
113,12 €
IVA incluido
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Die Untersuchung der Algenbestände auf dem Riff von El Jadida ermöglichte die Identifizierung von insgesamt 127 Taxa, die sich auf drei systematische Gruppen verteilten: 20 Chlorophyceae (16 %), 24 Fucophyceae (19 %) und 83 Rhodophyceae (65 %). Die Analyse der Meeresflora des untersuchten Gebiets ergab zum einen, dass 84,25 % atlantisch-mediterraner Herkunft sind, 12,6 % der Arten ausschließlich im Atlantik vorkommen und nur 3,15 % mediterraner Herkunft sind; zum anderen sind 61,42 % photophil und 38,58 % skiaphil. 82,68 % der Taxa weisen eine Affinität zum Infralittoral auf, 17,32 % eine Affinität zum Mediolittoral. Die Untersuchung der Braunalge Fucus spiralis ergab, dass ihre durchschnittliche Größe zwischen einem Minimum von 10 cm im Januar und einem Maximum von 22,8 cm im Juli schwankt; ihre maximale Frischbiomasse wurde zwischen Juli und September verzeichnet (6 kg/m²), das Minimum wurde Mitte Januar festgestellt (2 kg/m²). Die Untersuchung von Laminaria ochroleuca ergab, dass die Biomasse Ende Juni 2005 ihren Höchstwert erreichte (24,57 kg/m² (PF)). Die Ernte dieser Art könnte den ganzen Sommer über erfolgen. Die Überwachung des Gehalts an bestimmten Spurenelementen zeigte bei beiden Arten einen hohen Gehalt.

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