Kanitzia 18. - NYME Természettudományi Kar - Nyugat ...

2005, CIOCÂRLAN 2009, DIHORU & NEGREAN 2009) we did not found any kind of published
materials about the species presence in these localities. Extending later our docu-mentation
to the website sources also (2011), we found a website indication as „The popu-lation from
Frata - Onisie” (without a detailed site description and year specification), which probably
refer to the same population at the Poiana Frăţii „Onisie” and, after the homepage editor
and the contributors we cited as „BĂDĂRĂU et al. ined”.
The plant individuals of Krascheninnikovia ceratoides were recognized after the
outer morphological features: they are monoecious shrubs of 30-100 cm, with an indumentum
of stellate-dendroid hairs, alternate, linear-oblong or lanceolate leaves. Unisexual flowers,
male flowers in a dense spicate inflorescence, female flowers solitary or in pairs in
leaf axils. The populations sampled with tomentose or lanate leaves, usualy present a grey
or a reddish-brown colour after the trichomes in all vegetation time. The specimen sampled
have been introduced in the Botanical collection (Herbarium) of the Hungarian Natural
History Museum, [Bp].
The field evaluation and characterisation of the population-stands in all four localities
from the Transylvanian Basin have been realized during the vegetation time in
2010. In the coenological analysis we used the standard procedures of Braun-Blanquet
method. The relevés size of plots ranged between 16-25 m 2 most often 16 m 2 . The individual
relevés realized in the field conditions was analysed in synoptic tables, using the constancy-class
(K%) values. Cover of all vascular plant species was estimated visually. For
the cover values registration in the field (A-D%) we used the more common notation in
Europe, the modified Braun-Blanquet scale: + = cover < 1%, individuals 1-5; 1= cover 1-
5%, individuals 6-50; 2a= cover 6-12%, various individuals; 2b= cover 13-25%, various
individuals; 3= cover 26-50%, various individuals; 4= cover 51-75%, various individuals;
5= cover 76-100%, various individuals (DIERSCHKE 1994, KOVÁCS 2009). Classification
was performed by cluster analysis (PODANI 2001) using the index of similarity, the quadratic
Euclidian distance as a distance measure and the Ward method (SPSS program). The ordination
of relevés was realized after the principal component analysis using the PAST program.
The nomenclature of species follows CIOCÂRLAN (2009), SIMON (2000) and OPREA
(2005). The classification of the vegetation units, the plant communities description was
made in accordance with the Code of phytosociological nomenclature (WEBER et al. 2000).
The higher syntaxonomical units were basically assigned according to the actually literature
(MUCINA 1997, BORHIDI 2003, CHYTRÝ 2007, KOVÁCS 2004, 2009, SANDA et al. 2008).
Results and discussion
In the large Eurosiberian distribution and disjunct area of the species stands of
K. ceratoides cover variable ecological areas and make part of different vegetation types
and plant communities. It is very illustrative that the sever climate condition vary from the
very arid to the rather semi-humid areas: the -1,7°C mean annual temperature and 147 mm
mean annual precipitation in Central Asia (in the chorological centrum), the +9,2°C mean
annual temperature and 513 mm mean annual precipitation in Central Europe (Lower Austria),
and + 14°C mean annual temperature and 312 mm mean annual precipitation in Northeast
Spain (Heklau & Wehrden 2011 ap. Walter & Lieth 1967). The species presence in
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