Bryophyte flora of Taebaeksan Mountain National Park in Korea

Bum, Hyun Min; Park, Seung Jin; Bakalin, Vadim A.; CHOI, Bongsu; Sim, Sun Hee; Hyun, Chang Woo; Choi, Seung Se

doi:10.11110/kjpt.2020.50.3.262

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…Compared with recently studied bryophyte flora [Taebaeksan Mountain (Bum et al, 2020), Deogyusan Mountain (Yoon et al, 2011;Choi et al, 2013), Hallasan Mountain (Yim, 2012), and Sobaeksan Mountain ], Gayasan Mountain is characterized the lowest number of species (204 species), although the second highest number of taxa (2.67) on an area basis. The comparatively small number of species can be ascribed to the fact that although the Gayasan Mountain includes a variety of habitats, including different parent rocks (Precambrian biotite gneiss, semi-phalangeal gneiss, Ileal rock, and Cretaceous Haeinsa granite), some coniferous forests near the peaks, and small and large valleys (the Hongryudong and Baegundong valleys), the area cover covered in relatively small.…”

Section: Comparison Of Bryophyte Species Richness and Liverwort Indicesmentioning

confidence: 73%

Bryophyte flora of Gayasan Mountain National Park in Korea

Bum

Yim

Park

et al. 2021

Korean J. Pl. Taxon

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We investigated the bryophyte flora of the Gayasan Mountain National Park in Korea by conducting 18 field surveys in from April of 2009 to November of 2016 at various sites on the mountains. During the surveys, we discovered 204 taxa comprising 57 families, 106 genera, 199 species, 2 subspecies, and 3 varieties. Among these, 145 species were reported as new to the flora of Gayasan Mountain. A checklist based on a study of 903 specimens is provided. The most notable species recorded during the surveys were the rare bryophytes Hattoria yakushimensis (Horik.

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Section: Comparison Of Bryophyte Species Richness and Liverwort Indicesmentioning

confidence: 73%

Bryophyte flora of Gayasan Mountain National Park in Korea

Bum

Yim

Park

et al. 2021

Korean J. Pl. Taxon

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Antioxidant and Anti-Inflammatory Activity of Brachythecium populeum Extract

PARK,

LEE

2023

Korean J Clin Lab Sci

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Antioxidant, cytotoxic, and anti-inflammatory assays were conducted to determine the commercial viability of Brachythecium populeum. The antioxidant activity was assessed by performing the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays. This was followed by the quantification of polyphenols and flavonoids. Results of the DPPH and ABTS assay showed that antioxidant activities of the ethanol extract of B. populeum were 3.7 and 3.6 times higher than water extract, respectively. The polyphenol concentration was also determined to be 4.1 times higher and the flavonoid concentration was 5.3 times higher than the water extract. The cell-based experiments, 3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide (MTT) assay and nitric oxide assay, were performed using RAW 264.7. Results of the MTT assay revealed that both extracts exerted no cytotoxicity on the cells (based on 80% viability). In the nitric oxide (NO) production inhibition experiment, inhibition of NO production was determined to be 15.42% more when exposed to ethanol extract as compared to water extract. Furthermore, the ethanol extract exerted greater inhibition of inflammatory cytokines interleukin (IL)-1β, IL-6, and tumor necrosis factor-α production (9.39%, 11.87%, and 14.49% more, respectively) when compared to the water extract. Due to the good antioxidant activity and potential for inhibiting NO and inflammatory cytokine production, B. populeum ethanol extracts are prospective sources of anti-inflammatory compounds.

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The Taxonomically Richest Liverwort Hemiboreal Flora in Eurasia Is in the South Kurils

Bakalin

Klimova

Bakalin³

et al. 2022

Plants

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The long coexistence of various floral elements, landscape diversity, and island isolation led to the formation of the richest Eurasian hemiboreal liverwort flora in the southern Kurils. This land that covers less than 5000 square kilometres and houses 242 species and two varieties of liverworts and hornworts. The flora ‘core’ is represented by hemiboreal East Asian and boreal circumpolar taxa. Other elements that have noticeable input in the flora formation are cool-temperate East Asian hypoarctomontane circumpolar and arctomontane. The distribution of some species is restricted to the thermal pools near active or dormant volcanoes or volcanic ash deposits; such species generally provide specificity to the flora. Despite the territorial proximity, the climate of each considered island is characterized by features that, in the vast majority of cases, distinguish it from the climate of the neighbouring island. The last circumstance may inspire the difference in the liverwort taxonomic composition of each of the islands. The comparison of the taxonomic composition of district floras in the Amphi-Pacific hemiarctic, boreal, and cool-temperate Asia revealed four main focal centres: East Kamchatka Peninsula and Sakhalin Island, the southern Sikhote-Alin and the East Manchurian Mountains, the mountains of the southern part of the Korean Peninsula, and the South Kurils plus northern Hokkaido. The remaining floras involved in the comparison occupy an intermediate position between these four centres.

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Bryophyte flora of Taebaeksan Mountain National Park in Korea

Cited by 4 publications

References 5 publications

Bryophyte flora of Gayasan Mountain National Park in Korea

Bryophyte flora of Gayasan Mountain National Park in Korea

Antioxidant and Anti-Inflammatory Activity of Brachythecium populeum Extract

The Taxonomically Richest Liverwort Hemiboreal Flora in Eurasia Is in the South Kurils

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