Tab. 4: Vergesellschaftung von Nitella opaca in Nordwestdeutschland

• Main Author: Becker, Ralf
• Format: Dataset
• Language: English
• Published: PANGAEA 2011
• Subjects: 11121314T; 123LW; 45678LO; 910E; Area; Callitriche hamulata; Conductivity; Coverage; DATE/TIME; Depth; bathymetric; E; Eleocharis palustris; Elodea nultallii; Ems-Seitenkanal bei Kluse; Event label; Hydrocotyle vulgaris; Isolepis fluitans; Lavay östliches Gewässer; Lavay westlich Wittmund; Littorella uniflora; LO; Location of event; LW; Nitella flexilis; Nitella opaca; Number of species; Optional event label; ORDINAL NUMBER; pH; Pilularia globulifera; Potamogeton crispus; Potamogeton natans; Ranunculus flammula; T; Tannhausen bei Aurich; Water sample; WS; Chara canescens
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.762482; https://doi.org/10.1594/PANGAEA.762482

New facts on the occurrence and distribution of the threatened and rare stoneworts Chara baltica, C. connivens, C. contraria, C. virgata, Nitella hyalina, N. opaca, N. gracilis, N. capillaris, N translucens and N. flexilis and the non-threatened species Chara globularis in the northwestern part of Lower Saxony (Germany) are presented. A description of the stonewort sites is given and the abundance and the degrees of endangering of the species are discussed. Data about the Vegetation of the habitats of Nitella hyalina and N. opaca are reported. Additionally former sites of Chara canescens have been checked again. References to determination problems concerning Nitella opaca and N flexilis are given. Finally the protection of stoneworts, management requirements and the need for future investigations are discussed.