Hierarchical Environmental Factors Affecting the Distribution of Abies koreana on the Korean Peninsula

Park, Jeong‐Soo; Shin, Hak Sub; Choi, Chul-Hyun; Lee, Junghyo; Kim, Jinhee

doi:10.3390/f9120777

Cited by 9 publications

(9 citation statements)

References 36 publications

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“…Our results suggest that QUMO, as an early invader of disturbed areas with the ability to quickly dominate stands (Suh and Lee 1998) in combination with warmingenhanced growth at its upper distributional limit, has potential to further reduce ABKO distribution (Park et al 2018). The only ABKO population profiting from warming temperatures is located at the peak of highest mountain of South Korea and thus lacks the option of migrating to higher elevation.…”

Section: Discussionmentioning

confidence: 81%

Tree growth response to recent warming of two endemic species in Northeast Asia

et al. 2020

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The impact of climatic change on forest ecosystems has received considerable attention, but our understanding of the modulation of this impact by elevational differences and by species interaction is still limited. Here, we analyse tree-ringbased growth-climate relationships for two dominant tree species along an 800-m elevational gradient on Jeju Island, South Korea. Both species, broadleaf Quercus mongolica (QUMO) and coniferous Abies koreana (ABKO), grow at the southern end of their distributional range and they have adjacent altitudinal ranges. We use static and moving bootstrapped correlation analysis to identify the effect of recent warming on their growth. QUMO is primarily positively influenced by moisture during the previous autumn at its upper elevational distribution. Recent warming, however, has diminished this relationship, while the enhancing impact of warm and dry summer conditions on QUMO growth has increased. These recent shifts in growth-climate relationship suggest an upward migration potential for QUMO due to warming-enhanced growth at higher elevations. ABKO growth, on the contrary, is primarily reduced by high winter and summer temperatures. This negative relationship has become more explicit in recent decades, particularly at lower elevations. At the highest elevation, however, ABKO growth-temperature relationship has consistently become more positive in the most recent decades. In the elevational zone where ABKO and QUMO co-exist, warming plays a primary role in ABKO growth reduction, while QUMO growth increases and thus induces a potential upward migration of QUMO. This combined effect can lead to population decline of ABKO. Our results significantly enhance our understanding of the impact of climate warming on two interacting species and provide information necessary for adaptation strategies to preserve declining ABKO populations.

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Section: Discussionmentioning

confidence: 81%

Tree growth response to recent warming of two endemic species in Northeast Asia

et al. 2020

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“…Furthermore, a recent study by Park et al. [ 51 ] showed that the major soil textures of A. koreana were loam (Mt. Jiri) and SiL (Mts.…”

Section: Resultsmentioning

confidence: 99%

“…Deogyu and Halla). In addition, SL and SiL are typically considered as the most suitable soil textures for Korean fir [ 13 , 51 , 52 ] since they possess excellent nutrient and water holding capacities. Moreover, it was found that two of our study sites on Mt.…”

Section: Resultsmentioning

confidence: 99%

Fungal Microbiome of Alive and Dead Korean Fir in its Native Habitats

You,

Park,

et al. 2024

Mycobiology

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A rapid decline of Abies koreana has been reported in most of the natural alpine habitats in Korea. It is generally accepted that this phenomenon is due to climate change even though no clear conclusions have been drawn. Most research has focused on abiotic environmental factors, but studies on the relationships between A. koreana and soil fungal microbiomes are scarce. In this study, the rhizoplane and rhizosphere fungal communities in the alive and dead Korean fir trees from its three major natural habitats including Mt. Deogyu, Mt. Halla, and Mt. Jiri in Korea were investigated to identify specific soil fungal groups closely associated with A. koreana . Soil fungal diversity in each study site was significantly different from another based on the beta diversity calculations. Heat tree analysis at the genus level showed that Clavulina , Beauveria , and Tomentella were most abundant in the healthy trees probably by forming ectomycorrhizae with Korean fir growth and controlling pests and diseases. However, Calocera , Dacrymyces , Gyoerffyella , Hydnotrya , Microdochium , Hyaloscypha , Mycosymbioces , and Podospora were abundant in the dead trees. Our findings suggested that Clavulina , Beauveria , and Tomentella are the major players that could be considered in future reforestation programs to establish ectomycorrhizal networks and promote growth. These genera may have played a significant role in the survival and growth of A. koreana in its natural habitats. In particular, the genus Gyoerffyella may account for the death of the seedlings. Our work presented exploratory research on the specific fungal taxa associated with the status of A. koreana .

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“…The largest number of these trees are found on Mt. Halla, a volcanic mountain with the highest peak (~1950 m altitude above sea level) located in the center of the largest island in the Korean peninsula, Jeju Island [ 2 , 3 ]. The Korean fir tree was declared an endangered species ( , accessed on 1 February 2022) by the International Union of Conservation of Nature (IUCN) because of its continuous decline in numbers since the 1980s [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Dysbiosis in the Rhizosphere Microbiome of Standing Dead Korean Fir (Abies koreana)

Han

Mannaa

Jeon

et al. 2022

Plants

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The Korean fir (Abies koreana), a native coniferous tree species mainly found on Mt. Halla in Jeju, South Korea, is suffering from continuous population decline and has been declared an endangered species. Research efforts have focused on the possible abiotic causes behind this worrying decline. However, the potential link between tree vitality and the rhizosphere microbiome remains unclear. In this study, a comparative metagenomic 16S rRNA sequence analysis was used to investigate the composition of the rhizosphere microbiota of samples collected from healthy and die-back-affected trees on Mt. Halla. The results indicated a significant reduction in the richness and diversity of microbiota in the rhizosphere of die-back-affected trees. Moreover, the relative abundance of Proteobacteria, Actinobacteria, and Bacteroidetes were significantly higher in healthy trees than in standing dead trees. Many bacterial genera were significantly more abundant in the rhizosphere of healthy trees, including those known for promoting plant growth and tolerance to biotic and abiotic stresses (e.g., Bradyrhizobium, Rhizomicrobium, Caulobacter, Nitrosospira, Rhizobacter, Paraburkholderia, Rhizobium, Devosia, Caballeronia, Niveispirillum, Dyella, Herbaspirillum, Frankia, Streptomyces, Actinoallomurus, Lysobacter, Luteibacter, Mucilaginibacter, and Variovorax). To our knowledge, this is the first report on rhizosphere bacterial microbiome dysbiosis in die-back-affected Korean fir trees, suggesting that the influence of rhizosphere microbiota should be considered to save this endangered species by investigating possible intervention strategies in future work.

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Hierarchical Environmental Factors Affecting the Distribution of Abies koreana on the Korean Peninsula

Cited by 9 publications

References 36 publications

Tree growth response to recent warming of two endemic species in Northeast Asia

Tree growth response to recent warming of two endemic species in Northeast Asia

Fungal Microbiome of Alive and Dead Korean Fir in its Native Habitats

Dysbiosis in the Rhizosphere Microbiome of Standing Dead Korean Fir (Abies koreana)

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