Phytosociological description of altimontane beech forest on the southeastern edge of the Trnovski gozd and Nanos plateaus (southwestern Slovenia) / Fitocenološka oznaka altimontanskega bukovega gozda na jugovzhodnem robu Trnovskega gozda in Nanosa ...
Abstract
We conducted a phytosociological study into altimontane beech and beech-maple stands on the peaks of the southeastern part of the Trnovski gozd plateau (Moščeniški hrib = Moščanarski hrib, Marni vrh, Križna gora, Špičasti vrh, Špik, Javornik) and the Nanos plateau (vicinity of Pleša) and compared their floristic composition with the floristic composition of similar communities that were described in Slovenia and belong to the associations Isopyro-Fagetum, Stellario montanae-Fagetum and Ranunculo platanifolii-Fagetum. Based on these comparisons we classify them into the association Isopyro-Fagetum, into the new geographical variant named after the species Cardamine pentaphyllos and into two new subassociations, -scopolietosum carniolicae and -stellarietosum montanae. Montane beech forests in the sinkholes of the Kalski gozd forest (the northeastern part of the Banjšice plateau), whose floristic composition is similar to the studied forests, especially in the occurrence of spring geophytes, are classified into the new subassociation Lamio orvalae-Fagetum stellarietosum montanae.
Key words: phytosociology, synsystematics, Isopyro-Fagetum, Lamio orvalae-Fagetum, Trnovski gozd, Nanos, Banjšice, Slovenia
Fitocenološko smo preučili altimontanske bukove in bukovo-javorove sestoje na vrhovih v jugovzhodnem delu Trnovskega gozda (Moščeniški hrib = Moščanarski hrib, Marni vrh, Križna gora, Špičasti vrh, Špik, Javornik) in Nanosa (okolica Pleše) in njihovo floristično sestavo primerjali s floristično sestavo podobnih v Sloveniji opisanih fitocenoz iz asociacij Isopyro-Fagetum, Stellario montanae-Fagetum in Ranunculo platanifolii-Fagetum. Na podlagi teh primerjav jih uvrščamo v asociacijo Isopyro-Fagetum, v novo geografsko varianto, imenovano po vrsti Cardamine pentaphyllos in v dve novi subasociaciji -scopolietosum carniolicae in -stellarietosum montanae. Njim po floristični sestavi, še posebej spomladanskih geofitih, podobne montanske bukove gozdove v vrtačah Kalskega gozda (severovzhodni del planote Banjšice), uvrščamo v novo subasociacijo Lamio orvalae-Fagetum stellarietosum montanae.
Ključne besede: fitocenologija, sinsistematika, Isopyro-Fagetum, Lamio orvalae-Fagetum, Trnovski gozd, Nanos, Banjšice, Slovenija
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