J 2024

The class Adiantetea in Georgia: a rare relict fern community in the South Caucasus

NOVÁK, Pavel, Tomáš PETERKA a Veronika KALNÍKOVÁ

Základní údaje

Originální název

The class Adiantetea in Georgia: a rare relict fern community in the South Caucasus

Autoři

NOVÁK, Pavel (203 Česká republika, garant, domácí), Tomáš PETERKA (203 Česká republika, domácí) a Veronika KALNÍKOVÁ

Vydání

Biologia, Springer, 2024, 0006-3088

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10600 1.6 Biological sciences

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 1.500 v roce 2022

Organizační jednotka

Přírodovědecká fakulta

UT WoS

001032304100001

Klíčová slova anglicky

Adiantum capillus-veneris; Bryophyte; Caucasus; Endangered habitat; Phytosociology; Syntaxonomy

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 28. 3. 2024 10:56, Mgr. Marie Šípková, DiS.

Anotace

V originále

Relict vegetation of water-splashed petrifying rocks with calcareous tufa formation dominated by the fern Adiantum capillus-veneris and wetland bryophytes (phytosociological class Adiantetea) was investigated in Georgia, Caucasus biodiversity hotspot. The study brings the first phytosociological data on this scarce community in the Caucasus based on a novel dataset of vegetation plot records. A classification analysis revealed two main vegetation communities. They are represented by the Caucasian community recorded in the Mtkvari River valley inside the Tbilisi city (E Georgia) and the Colchic community developed under the humid, warm-temperate climate of Colchis (W Georgia), one of the key refugia of Tertiary flora across W Eurasia. To compare newly recorded vegetation types and so far described associations of the Adiantetea class, we used a broader dataset of the analogous communities reported from Europe and surroundings. It associated the Caucasian community with the pan-Mediterranean association Eucladio-Adiantetum. It was characterized by subhalophytes (e.g. Samolus valerandi), Eucladium verticillatum as a dominant bryophyte, and the absence of relict or endemic vascular plant species. The Colchic community represented a previously undescribed community. Therefore, we designated a new association Saxifrago cymbalariae-Adiantetum capilli-veneris delineated by the characteristic species of the Colchic-Caucasian territory (e.g. Hedera colchica, Saxifraga cymbalaria) and Palustriella commutata as the dominant bryophyte. Both associations belong to the Mediterranean-Atlantic alliance Adiantion. Described communities require conservation attention for their rarity, refugial character and presence of relict and endemic species. Modifications of the hydrological regime and construction activities are among their most important potential threats.

Návaznosti

GX19-28491X, projekt VaV
Název: Centrum pro evropské vegetační syntézy (CEVS) (Akronym: CEVS)
Investor: Grantová agentura ČR, Centrum pro evropské vegetační syntézy (CEVS)