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Tagungsbericht zum internationalen Arbeitsgespräch in der Herzog August Bibliothek Wolfenbüttel, 12.-13. September 2000
Die niederländisch-deutschen Kulturbeziehungen sind als ein wichtiges Element im Prozeß der europäischen Kulturgeschichte in den letzten Jahren verstärkt Gegenstand der Forschung geworden. Dabei wurde die Gattung der Lyrik, deren zentrale Rolle im Literatursystem mit je verschiedener Begründung in der Literaturwissenschaft seit einiger Zeit wieder stärker betont wird, noch ungenügend berücksichtigt, auch wenn gelegentlich auf den großen Einfluß niederländischer Dichtung und Poetik (z. B. Heinsius) auf den deutschen Sprachraum im 17. Jahrhundert hingewiesen wurde. Um hier den Erkenntnisstand zu verbessern, fand am 12. und 13. September 2000 im Bibelsaal der Herzog August Bibliothek Wolfenbüttel ein internationales Arbeitsgespräch zum Thema "Die niederländische Lyrik und ihre deutsche Rezeption in der Frühen Neuzeit" statt.
Relevés of the rare species Apium repens and Scirpus cariciformis were tabulated and syntaxonomically interpreted. From the presented table and from the data by FUKAREK & VOIGTLANDER (1982) can be concluded that both species occur in two communities of the alliance Lolio-Potentillion anserinae viz. the Nasturtio-Alopecuretum geniculati Sykora 1982, the Triglochino-Agrostietum stoloniferae Konckzak 1968, and in related fragmentary communities. Besides S. cariciformis grows in the Agrostio-Trifolietum fragiferi Sykora 1982.
Apium repens is considered to be a character-species of the association group with Eleocharis palustris ssp. uniglumis to which the above mentioned associations belong, while Scirpus cariciformis can be seen as a differential species of this association group. S. cariciformis occurs in the Parvocaricetea too, sometimes with a high presence class, e.g. in the Caricetum davallianae typicum (presence class III) and in the subass. blysmetosum compressi (IV). For the present, therefore, we do not consider it to be a character-species of any of the Lolio-Potentillion communities, nor of the alliance itself. To our opinion the Blysmo-Juncetum compressi Br.-Bl. 1918 ex Libb. 1932 can hardly be characterized as a separate unit and should therefore be rejected.
With the help of ordination diagrams made by reciprocal averaging and with the use of indicator values as given by ELLENBERG (1979) the relation was illustrated between on the one hand the relevés and the composing species and on the other hand the main environmental factors, i.e. salt and nutrient content, moisture degree and acidity of the soil.
The general decline of both species can be understood as the consequence of their specific hydrological requirements, viz. their dependence on a shallow flood during winter and spring, followed by a retreat of the surface water and a groundwater level remaining close to the surface during the summer. Their disappearance from mesotraphent grasslands is accelerated by the increase in the eutrophication mainly by modern agricultural practices.