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1

Numerical classification of Potamogetonetum perfoliati W.Koch 1926 em.pass. 1964 in Lake Wadag [The Olsztyn Lake District]

100%
Grzybowski M., Endler Z.
Natural Sciences
|
2000
|
tom 04
2
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Plant communities with Pinus mugo [alliance Pinion mugo] in the subalpine belt of the Western Carpathians - a numerical approach

100%
Sibik J., Valachovic M., Kliment J.
Acta Societatis Botanicorum Poloniae
|
2005
|
tom 74
|
nr 4
A syntaxonomical revision of plant communities with dominant Pinus mugo in the Western Carpathians is presented. The data set of 341 relevés was examined and analysed using the detrended correspondence analysis and the cluster analysis. Major gradients and clusters were interpreted using Ellenberg’s indicator values. The major gradient in species composition was associated with available nutrients and moisture. The authors suggest distinguishing the dwarf pine stands of the supramontanous and subalpine belts of the Western Carpathians referred to the alliance Pinion mugo Pawłowski in Pawłowski et al. 1928 of the order Junipero-Pinetalia mugo Boşcaiu 1971 and the class Roso pendulinae-Pinetea mugo Theurillat in Theurillat et al. 1995, into three separate associations: the Cetrario-Pinetum mugo Hadač 1956, the Homogyno alpinae-Pinetum mugo (Sillinger 1933) nom. nov., and the Adenostylo alliariae-Pinetum mugo (Sillinger 1933) Šoltésová 1974. The authors also elucidated the unauthorized name of the association Vaccinio myrtilli-Pinetum mugo Hadač 1956, which is a younger homonym of the valid name of the association Vaccinio myrtilli-Pinetum montanae Morton 1927 that characterises the acidophilous dwarf pine stands on calcareous bedrocks in the Alps.
3

Numerical classification of cultivar interactions of septoria tritici blotch with maturity and height

84%
Loughman R., Wilson R. E., Basford K. E., Gilmour R. F., DeLacy I. H.
Hodowla Roślin, Aklimatyzacja i Nasiennictwo
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1994
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tom 38
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nr 3-4
4

Syntaxonomical revision of plant communities with Carex firma and Dryas octopetala [Alliance Caricion firmae] in the Western Carpathians

84%
Sibik J., Petrik A., Kliment J.
Polish Botanical Journal
|
2004
|
tom 49
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nr 2
5

Comparison of heath communities from the class Nardo-Callunetea from the Torun Basin and other regions of Poland

67%
Chojnacka J., Cyzman W., Nienartowicz A., Deptula M.
Ecological Questions
|
2010
|
tom 12
This paper presents the variability within two heath associations, i.e. Pohlio-Callunetum and Arctostaphylo-Callunetum in the territory of Poland. The variability of the former syntaxon was determined based on 9 sets of published relevés, made in different regions of Poland. In the case of the latter syntaxon, there were 13 sets of relevés. The sets were being compared in respect of species composition assuming the degrees of species constancy as characteristics of the compared sets. The comparisons have been done with the classic phytosociological method according to Braun-Blanquet, as well as with numerical taxonomy methods using the software MVSP. In both cases, the subsets of relevés from the artillery range near the city of Toruń were clearly separated from the others. In the obtained dendrograms, relevés from the neighbourhood of Toruń, classified within the analysed subassociations formed separate clusters and their distance to other groups of relevés from the same association but from different regions of Poland was significant. Both in the case of the association Pohlio Callunetum and the association Arctostaphylo-Callunetum, sets of relevés from the Skwierzyna (coniferous) Forest in western Poland and from the Tuchola Forest in northern Poland were the most similar to relevés from the neighbourhood of Toruń.
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