Zbiorowiska seminaturalne klasy Molinio-Arrhenatheretea (z rzędów Plantaginetalia majoris i Trifolio fragiferae- -Agrostietalia stoloniferae) występujące na terenie byłej Akademii Rolniczej w Szczecinie przy ulicach J. Słowackiego i Papieża Pawła VI
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The order of Plantaginetalia majoris represents 13 patches of vegetation in the examined area. They were classified into the complex of Lolio-Polygonetum arenastri. These phytocentoses occur along roads, paths and pavements and on trodden surfaces. They settle mainly in compact soils of alkaline reaction. In the complex two species Lolium perenne var. humile and Plantago major var. typica dominate. In a part of patches a facial form is reached by: Trifolium repens, Achillea millefolium and Ficaria verna. Within the order of Trifolio fragiferae- -Agrostietalia stoloniferae a community of Potentilla reptans was distinguished. The patches of this phytocenosis are mainly found on warm and exposed to the sun slopes, on thinned out lawns, along paths and roads. The dominating species in the complex is Potentilla reptans (S=V, D=2324), it is accompanied by numerous species of Molinio-Arrhenatheretea class (25 taxa). The largest reciprocal similarity is shown by ruderal communities formed in dry and warm habitats, and a slightly smaller similarity is observed in the case of meadow and bush complexes. The least similar in respect of floristic composition and phytocociological stability of species are complexes of Echio-Melilotetum i Onopordetum acanthii as compared to the communities of the forest variant of Urtico-Aegopodietum podagrariae and Lolio- Polygonetum arenastri.
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