Abstract
Taxus cuspidata is a threatened subalpine conifer in South Korea, necessitating evidence-based restoration strategies to counter the impacts of climate change. In this study, we assessed 13 natural populations using 15 polymorphic nuclear simple sequence repeat (nSSR) markers developed in Taxus species and spatial autocorrelation analysis to provide a scientific foundation for conservation. The results showed an intermediate level of genetic diversity, with the Mt. Gariwangsan population exhibiting higher diversity. This highlights its priority as a source for restoration materials. Bayesian clustering supported four distinct management units. Spatial autocorrelation analysis revealed significant positive genetic structure within approximately 50 m, indicating a localized genetic patch size. Based on these results, we suggest maintaining a minimum 50 m sampling distance during seed collection to avoid collecting closely related individuals and to reduce the risk of genetic homogeneity in restoration materials. Such restoration strategies informed by spatial genetic structure and broader genetic data are critical for enhancing the long-term resilience of T. cuspidata in the face of accelerating environmental shifts.
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Claims 6
Claim · model-written summary
The 13 natural Taxus cuspidata populations showed an intermediate level of genetic diversity.
- Taxon
- Taxus cuspidata
Taxus cuspidatat0 - Outcome
- genetic diversitye0
- Value
- intermediate levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“an intermediate level of genetic diversity”
Claim · model-written summary
The Mt. Gariwangsan population exhibited higher genetic diversity.
- Taxon
- Taxus cuspidataTaxus cuspidatat0
- Material
- Mt. Gariwangsan populatione0
- Outcome
- diversitye0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“the Mt. Gariwangsan population exhibiting higher diversity”
Claim · model-written summary
Bayesian clustering supported four distinct management units.
- Taxon
- Taxus cuspidataTaxus cuspidatat0
- Outcome
- four distinct management unitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“Bayesian clustering supported four distinct management units”
Claim · model-written summary
Spatial autocorrelation analysis revealed significant positive genetic structure within approximately 50 m.
- Taxon
- Taxus cuspidataTaxus cuspidatat0
- Outcome
- significant positive genetic structuree0
- Value
- approximately 50 me0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“Spatial autocorrelation analysis revealed significant positive genetic structure within approximately 50 m”
Claim · model-written summary
The authors suggest that the Mt. Gariwangsan population has priority as a source of restoration materials.
- Taxon
- Taxus cuspidataTaxus cuspidatat0
- Material
- Mt. Gariwangsan populatione1
- Outcome
- priority as a source for restoration materialse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“This highlights its priority as a source for restoration materials”
e1“the Mt. Gariwangsan population exhibiting higher diversity”
Claim · model-written summary
The authors recommend a minimum 50 m sampling distance during seed collection to avoid closely related individuals.
- Taxon
- Taxus cuspidataTaxus cuspidatat0
- Outcome
- minimum 50 m sampling distance during seed collectione0
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Taxus cuspidata”
e0“we suggest maintaining a minimum 50 m sampling distance during seed collection to avoid collecting closely related individuals”