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ŠUMARSKI LIST 3-4/2011 str. 57     <-- 57 -->        PDF

Z. Sedlar, V. Hršak, R. Šoštarić: NUMERICALAND PHYTOSOCIOLOGICALANALYSIS OF ... Šumarski list br. 3–4, CXXXV (2011), 1-3


cepta large number of endemics and these species contribute
to territorial autonomy of these orophilous communities
(Brullo & al.2001).


The NMS in our study showed that according to
species assemblage Seslerio robustae-Pinetum pallasianae
association is the most resembling with Junipero
sibiricae-Pinetum dalmaticae . TheSeslerio robustae-
Pinetum pallasianae association is a pioneer
forest with a tree layer formed by a local subspecies of
Pinus nigra s.l., P. nigra Arnold subsp. pallasiana
(Lamb.) Holmboe.The constant dwarf shrubJuniperus
communisL. subsp.nanais dominant in the shrub la yer,
while the grass species Sesleria robustais dominant
in the ground layer, just as in the Dalmatian pine
forests on Biokovo.This vegetation occurs on slopes at
altitudes from 1,000 and 1,300 m. It is an open pinewood,
primarily occurring on rocky soils (Brullo &
al. 2001). It was previously classified to the Quercetalia
pubescentis, as wasJunipero sibiricae -Pinetum
dalmaticaewhich shows similar conditions on habitats
where these associations are found.According to Habitat
Classification 2003, forests of Dalmatian pine and
Pallas’s pine forests are both classified in the same
classification group of Mediterranean pine forests with
endemic black pines.These forests are of the montane-
Mediterranean level, on dolomitic substrate dominated
by pines of the Pinus nigra group. Both Pinus nigra
subsp.pallasianaandPinus nigrasubsp.dalmaticaare
said to be distributed on the Balkan area (Habitat Classification
2003) and appear morphologically and genetically
quite similar (Isajev &al. 2004). Seslerio
robustae-Pinetum pallasianae is an association very
similar toJunipero sibiricae -Pinetum dalmaticae with
regard to ecological and phytogeographical attributes,
but also concerning its characteristic species structure.
This similarity can be explained by the fact that
Biokovo is somewhat similar, in some aspects, to


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Beck-Mannagetta, G., 1901: Die Vegetationsverhältnisse
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Bergmeier,E., 1990:Wälder und Gebüsche des Niederen
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Ein Beitrag zur systematischen und orographischenVegetationsgliederung
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Bogunić,F., E.Muratović,S.C.Brown, S.Šiljak-
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mountains outside the coastal DinaricAlps.The vegetation
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the mentioned alliance is found.


Because Junipero sibiricae-Pinetum dalmaticae is
not climazonal vegetation, but rather a local association
found in specific conditions, it is rather hard to
classify it only by characteristic species. Characteristic
species for such specific and locally distributed associations
also have a local character, and are often endemic.
Therefore, this association has been difficult to
classify into the syntaxonomical systemonly according
to the number of characteristic species. Other features,
exceeding regional ones, should be included. These
specific features are recognised in the Habitat Classification
2004 where Mediterranean endemic pines forest
have a separate classification group.


Our analysis suggests that the association Domac
1965 described is well defined and differs from other
vegetation types with Dalmatian pine that occur in the
Dalmatian area. However, based on floristic and ecological
elements we consider that the association Junipero
sibiricae-Pinetum dalmaticaeshould be classified in the
Pino-Juniperetea class, the Juniperetalia haemisphaericaeorder,
the Berberido craeticae-Juniperion foetidissimae
alliance. It can be expected that such a local
vegetation type includes local endemic taxa, such as
Pinus nigra subsp. dalmatica regarding the phytogeographical
particularity of Biokovo Mountain, andPinus
nigrasubsp.pallasiana, of which both give their vegetation
type special characteristics. Further more, classifying
it intoPino-Junipereteaemphasises the relic character of
the Mediterranean forests dominated byPinus nigras.l.
which they without a doubt have (Brullo &al. 2001),
whereas a classification into any other class would repress
this aspect into the background.


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