Titlebook: Biology, Ecology and Management of Aquatic Plants; Proceedings of the 1 Joseph Caffrey,Philip R. F. Barrett,Philip Max Wad Conference proce

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,Funktionen einer komplexen Veränderlichen,EST, MNR, GOT, 6PGD and ME) and for markers at DNA level using random amplified polymorphic DNA’s (RAPD) of 22 decanucleotides. Data analysis of the allozymes and of the amplified DNA fragments enabled us to classify unambiguously the different . taxa. Direct evidence of hybridization between . and

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,Ausführliche Lösungen der Übungsaufgaben,rtant factor contributing to differences observed in hydrosoil texture and organic matter content at different depths at one study location (Aswan) heavily used by ship traffic. Coarse sand and gravel fragments with low organic matter content, were predominant in the shallow water zone, most heavily

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Kulturwissenschaftliche Selbstbeobachtung disturbance were significantly related to the species distribution. Species positioned at the axes extremes could be arranged into species groups related to different geographical areas of the river system.