Search results for "Potametea class"
showing 5 items of 5 documents
Nymphaeetum candidae Miljan 1933 in Poland
2011
This paper presents the distribution, floristic composition and ecological requirements of the water plant community <em>Nymphaeetum candidae</em> Miljan 1933, belonging to the <em>Potametea</em> class. Until present this community has been reported only from north-eastern Poland. During present studies it was stated also in the south-western part of the country. <em>Nymphaeetum candidae</em> is considered to be a rare and endangered plant community in several countries of Central Europe.
Nymphaeetum albae Vollmar 1947 em. Oberd. in Oberd. et al. 1967, a plant association new to Poland
2011
The paper presents a water plant community new to Poland - <em>Nymphaeetum albae</em> Vollmar 1947 em. Oberd. in Oberd. et al. 1967, belonging to the i class. It was discovered in fishponds in Pokój near Namysłów, Lasowice Małe near Kluczbork and small ponds in Staniszcze Małe near Opole in Silesia (SW Poland). Floristic composition and ecological requirements of this association are presented in the paper. <em>Nymphaeetum albae</em> is considered to be a rare and endangered plant community in Europe.
Potametum alpini Podbielkowski 1967 w starorzeczach południowo-zachodniej Polski
2018
The paper presents the distribution and habitat conditions of Potametum alpini communities (class Potametea) in oxbow lakes of south-western Poland. A study done in 2000–2015 identified 11 localities of this community in oxbow lakes. The threats to Potametum alpini in south-western Poland include changes in the levels and physicochemistry of the water.
Zespół rdestnicy wydłużonej Potametum praelongi Sauer 1937 w rezerwacie Smolnik na Śląsku Opolskim
2018
Na terenie rezerwatu przyrody Smolnik na Śląsku Opolskim fitocenozy zespołu rdestnicy wydłużonej Potametum praelongi zostały stwierdzone podczas badań geobotanicznych w 2015 r. – współrzędne geograficzne 50°83'97,62'' N, 18°24'59,79'' E. Dotychczas zespół ten nie był notowany na obszarze tego rezerwatu. W Polsce należy do bardzo rzadko notowanych zbiorowisk. W rezerwacie Smolnik płaty tego zespołu wykształciły się w wodzie o głębokości 150 – 200 cm, o pH 7,4. W większości z nich ma budowę dwuwarstwową, rzadziej jednowarstwową. Zespół ten zajmuje powierzchnie, sięgające maksymalnie 200 – 300 m2. Notowano w nich od 5 do 7, średnio 6 gatunków. Łącznie w jego fitocenozach zanotowano 8 gatunków …
Veronico beccabungae-callitrichetum stagnalis (Oberd. 1957) Müller 1962, a plant association new to Poland - Quality of habitat
2011
The paper presents a community of water plants that is new to Poland, <em>Veronico beccabungae-Callitrichetum</em> stagnalis (Oberd. 1957) Müller 1962. This community belongs to the class <em>Potametea</em>. It was discovered in the village of Odrowąż near the town of Krapkowice in Silesia (SW Poland). <em>Veronico beccabungae-Callitrichetum stagnalis</em> in Poland occurs within an irregularly shaped shallow underwater spring, located in the distal part of the Oder River’s flood terrace. This plant community covered 0.2 ha in 2008. <em>Callitriche stagnalis</em> predominated in this community. Species such as <em>Callitriche hamulata<…