prilagođeno pretraživanje po punom tekstu

ŠUMARSKI LIST 7-8/2005 str. 21     <-- 21 -->        PDF

I. Trinajstić, Z. Pelcer: NOMENKLATURNO-SINTAKSONOMSKA REVIZIJA As. “Piceetum ... Šumarski list br. 7–8, CXXIX (2005), 385-391
SUMMARY: The spruce forests developed on dolomites are relatively rare
in Europe, and so are in Croatia too. In this connection, on this occasion, a
nomenclatural and syntaxonomic revision of the forest association designated
by Ivo Horvat (1958) by the name of “Piceetum dolomiticum” was
made. For nomenclatural reasons (Weber et al. 2000), it was neccessary to
rename the ass. “Piceetum dolomiticum”, into Helleboro nigri-Piceetum
Trinajstić et Pelcer, ass. nov. As a dominant and constant characteristic
species of the association, Helleborus niger subsp. niger is indicated, while as
charactesistic species of the alliance Abieti-Piceion there are indicated Abies
alba, Juniperus communis, Galium rotundifolium, Veronica officinalis,
Pteridium aquilinum, Oxalis acetosella and Hieracium umbellatum. The
characteristic species of the order Athyrio-Piceetalia and the class Vaccinio-
Piceetea are represented with 20 species among which distinguished by a
higher degree of their constancy are Picea abies, Luzula luzulina,
Melampyrum vulgatum, Dicranum scoparium, Pleurosium schreberi, Festuca
heterophylla and Scleropodium purum.

Within the association, two aubassociations can be differentiated – a typical
one – Helleboro nigri-Piceetum helleboretosum nigri and the subass.
Helleboro nigri-Piceetum caricetosum albae. The companion species are
numerous and for the most part represent the elements of the orders
Quercetalia pubescentis, Erico-Pinetalia and Fagetalia sylvaticae.

The ass. Helleboro nigri-Piceetum is spread in the area of Mala Kapela
and is developed partly within the boundaries of the National Park Plitvička
jezera. Due to a wery unstable dolomite bed susceptible to erosion, especially
in places with steeper inclination and shallow rendzina soil, the stands of the
ass. Helleboro nigri-Piceetum have to be considered as protective forests,
especially those in the National Park Plitvička jezera. Such stands present
also a significant natural science feature of interest inside the spruce range

so a
on it
itits southern geographic and ecoloogical boundary.