Zur synsystematischen Stellung der oberharzer Teichbodenvegetation (Isoëto-Nanojuncetea)

Bernd Gehlken

Abstract


Gehlken, B.: Syntaxonomy of dwarf rush-communities in the Harz Mountains. - Hercynia N. F. 50 (2017): 1 – 30.

Mine ponds and reservoirs are broader phenomena in the Harz Mountains in Northern Germany, because of their periodical dry fall due to little rainfall or intentional discharge. In this case, the pond’s ground is ready to be inhabited by an annual pioneer vegetation. In the Harz Mountains, this vegetation can be divided into five plant-communities, which are mainly induced by different soil conditions. Based on new relevees and descriptions from literature, the pioneer vegetation of pond grounds in the Harz Mountains is described.

Especially the syntaxonomic position of Corrigiola-communities has been handled very differently so far. Therefore, a new classification approach is compiled. Thorough observation of riverbanks suggests that an assignment of Corrigiola-communities not to the Bidentetea, but to Isoeteo-Nanojuncetea, is reasonable. In this context, a new alliance of dwarf rush-communities on sandy or skeleton-rich soils was created, which seems more suitable for the description of the local conditions in the Harz Mountains. It is called Chenopodio polyspermi-Corrigiolion litoralis Gehlken et Hülbusch 2011.

Key words: dwarf rush-communities, Harz Mountains, Corrigiola litoralis, Chenopodio polyspermi-Corrigiolion litoralis Gehlken et Hülbusch 2011, Isoëto-Nanojuncetea


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Martin-Luther-Universität Halle-Wittenberg | HERCYNIA - Ökologie und Umwelt in Mitteleleuropa

P-ISSN 0018-0637, E-ISSN 2195-531X


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