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    Wyświetlanie 1-4 z 4
    Tytuł:
    Habitat and growth conditions of the rare Potamogeton hybrids: P. x sparganifolius Least. ex. Fr. and P. x nericius Hagstr. in the Drawienski National Park
    Autorzy:
    Kraska, M
    Piotrowicz, R.
    Kujawa-Pawlaczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/57495.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    habitat
    Polska
    growth condition
    Potamogeton
    pondweed
    Drawienski National Park
    hybrid
    Potamogeton x sparganifolius
    aquatic plant
    Drawa River
    aquatic ecosystem
    distribution
    Potamogeton x nericius
    Opis:
    The two pondweed taxa, new for the Polish flora, were found in the Drawa River in the Drawieński National Park (north-western Poland). Patches of P. x sparganiifolius started about 400 m below the mouth of the left-bank tributary, the Korytnica River, and ended about 5.5 km further downstream. The population colonized mainly a sandy substrate with varied particle size, moderately deep water, and moderate water flow rate. The patches were very dense and composed nearly exclusively of P. x sparganiifolius. They occurred mainly in the main current of the Drawa, and were up to several dozen metres long. By contrast, P. x nericius was found only in a small creek with stagnant water, at the edge of a patch dominated by P. x sparganiifolius, on a substrate composed of mud and sand, at the depth of 40-60 cm.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2004, 73, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Veronico beccabungae-Callitrichetum stagnalis [Oberd. 1957] Muller 1962, a plant association new to Poland - quality of habitat
    Autorzy:
    Spalek, K
    Horska-Schwarz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/58347.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Polska
    plant association
    Potametea class
    plant community
    endangered association
    aquatic plant
    phytosociology
    Veronico beccabungae-Callitrichetum stagnalis community
    habitat quality
    distribution
    new plant association
    Opis:
    The paper presents a community of water plants that is new to Poland, Veronico beccabungae-Callitrichetum stagnalis (Oberd. 1957) Müller 1962. This community belongs to the class Potametea. It was discovered in the village of Odrowąż near the town of Krapkowice in Silesia (SW Poland). Veronico beccabungae-Callitrichetum stagnalis 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. Callitriche stagnalis predominated in this community. Species such as Callitriche hamulata and Callitriche verna occurred less frequently. An average of five species were counted in a relevé. Alkaline sediments (pH 8.03) occur in the substratum, but sediments with a lower pH value (7.73) occur in the spring’s outflow zone towards the Odra River. Water in the spring, where Veronico beccabungae-Callitrichetum stagnalis occurred, has a medium mineralisation but is rich in dissolved compounds. The condition of this community within the studied habitat could be evidence for highly adaptive abilities and this community's good adjustment to the natural conditions. Veronico beccabungae-Callitrichetum stagnalis is a rare and endangered plant community in Central Europe. The locality of this plant community in Poland should be given species protection.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 4; 345-349
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution patterns, floristic structure and habitat requirements of the alpine river plant community Stuckenietum amblyphyllae ass. nova (Potametea) in the Pamir Alai Mountains (Tajikistan)
    Autorzy:
    Nowak, A.S.
    Nobis, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/57885.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    distribution pattern
    flora structure
    habitat requirement
    Alpine river
    river
    plant community
    Stuckenietum amblyphyllae association
    Potametea
    Pamir Alai Mountains
    Tajikistan
    aquatic vegetation
    plant association
    new plant association
    Opis:
    This paper discusses the floristic structure, distribution and habitat requirements of a new aquatic syntaxon, Stuckenietum amblyphyllae ass. nova. Patches of the Stuckenietum amblyphyllae association occur in the Pamir Alai Mountains in Middle Asia (Tajikistan). The biotope of this community represent high mountain rivers and ponds at the bottom of glacial river valleys situated at elevations between 1900 and 3800 m. Patches of the Stuckenietum amblyphyllae association are characterised by a clear predominance of the typical species, i.e. Stuckenia amblyphylla, which occupies an aerial extent of between near 40 up to 90% of the surface studied. Patches of the community are poor in species, comprising a maximum of five taxa. Among associated species mainly rush, aquatic, meadow and marsh taxa have been noted. The Stuckenietum amblyphyllae community prefers cold, open, alkaline waters with medium flow-rate, ranging in depth from 15 to 75 cm. It is also, but rarely, found in the mountain ponds. Together with the Stuckenia filiformis community it designates in the Pamir Alai Mountains the upper limit of aquatic vegetation.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2012, 81, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Revision of Nymphaea candida range - new data on the distribution and habitat preferences of the species in southern Poland
    Autorzy:
    Nowak, A.
    Nobis, M.
    Dajdok, Z.
    Zalewska-Galosz, J.
    Nowak, S.
    Nobis, A.
    Czerniawska-Kusza, I.
    Kozak, M.
    Stebel, A.
    Bula, R.
    Sugier, P.
    Szlachetka, A.
    Bena, W.
    Trojecka, A.
    Piwowarczyk, R.
    Adamiec, A.
    Krawczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/58771.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    revision
    Nymphaea candida
    species distribution
    habitat preference
    Polska
    pond
    aquatic vegetation
    species range
    location
    species list
    locality list
    morphological characteristics
    Opis:
    The paper presents results of geobotanical and taxonomic studies on the distribution and habitat requirements of Nymphaea candida in southern Poland. The researches were conducted in southern Poland in 2003-2009, in the provinces of Lower Silesia, Lublin, Małopolska, Opole, Silesian province as well as, in southern parts of Mazowieckie and Lubuskie. Flowers, leaves and fruits of Nymphaea species were collected from 27 locations. Altogether pollens from 73 populations of N. candida and 18 of N. alba from all the researched area were measured. The trophic level of an ecosystem was evaluated according to the results of the total nitrogen, total phosphorus, chlorophyll a, transparency and biological parameters. As the result of the studies of more than 200 water bodies, 57 localities of N. candida were documented within the investigation area. The populations of N. candida occupy mid-forest water bodies and river ox-bow lakes. A significant number of populations was also found in artificial reservoirs - fish ponds. The most suitable habitat conditions for N. candida occur in shallow waters in the shore zone with the amplitude of the water column vary from 0.5 to 2 m. Regarding the trophy level, N. candida occupies different habitats, mainly mesotrophic and also eutrophic with high content of organic matters. Considering the 15 checked morphological parameters, especially the stigma diameter, the number of carpellary teeth, flower and pollen diameters, the found and collected specimens of N. candida significantly differ from N. alba. The study confirms that N. candida ocurrs in whole lowland Poland without any regional distribution gaps. According to the IUCN guidelines to species assessment the data gathered during the presented study do not allow to classify N. candida as a vulnerable species in Poland. Still existing populations for more than 150 years, numerous stable locations, abundant populations, a habitat accessibility, a biotope extent, an ecological amplitude against the trophy level and direct human impacts suggest, that the species should be regarded as a least concern (LC) taxon.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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