Betula ermanii 226 claims

species · family Betulaceae · green plant · NCBI Taxonomy ↗

Common name: Erman's birch — Also written in claims: B.ermanii · B ermanii · B. ermanii Cham · Erman's birch

Listed here with its subspecies, varieties and cultivar groups: Betula ermanii var. lanata (1 claim)

23 spellings

Betula ermanii
Betula ermaniiE-190 · CC BY-SA 3.0 · Wikimedia Commons ↗
Associationobservedoriginal resultmeasured

Claim · model-written summary

Photosystem II fluorescence yield was strongly associated with reflectance wavelengths related to chlorophyll absorption and red-far-red fluorescence in Betula ermanii.

Taxon
Betula ermaniiBetula ermaniit0
Treatment
wavelengths related to chlorophyll absorption and red-far-red fluorescence featurese1
Outcome
photosystem II fluorescence yielde1

Not reportedDirection

Verbatim

t0

“Betula ermanii”

✓ located verbatim in the source · title, characters 145–159
e1

“Correlation analysis revealed strong associations between photosystem II fluorescence yield and wavelengths related to chlorophyll absorption and red-far-red fluorescence features”

✓ located verbatim in the source · abstract, characters 560–739

Title

Data-efficient deep learning framework for estimating photosystem II fluorescence yield from leaf spectral reflectance: application of TabPFN to Betula ermanii

Rei Sonobe; Atsuhiro Iio International Journal of Remote Sensing 2026. doi:10.1080/01431161.2026.2662533

Other claims from this paper (4)
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

TabPFN achieved the highest accuracy of the five models for estimating photosystem II fluorescence yield (RMSE = 0.087, R2 = 0.809, RPD = 2.29).

Taxon
Betula ermaniiBetula ermaniit0
Outcome
accuracye2
Direction
outperformede2
Value
RMSE = 0.087, R2 = 0.809, RPD = 2.29e2
Comparator
the other four algorithmse2

Verbatim

t0

“Betula ermanii”

✓ located verbatim in the source · title, characters 145–159
e2

“TabPFN markedly outperformed the other four algorithms, achieving the highest accuracy (RMSE = 0.087, R2 = 0.809, RPD = 2.29)”

✓ located verbatim in the source · abstract, characters 741–866

Title

Data-efficient deep learning framework for estimating photosystem II fluorescence yield from leaf spectral reflectance: application of TabPFN to Betula ermanii

Rei Sonobe; Atsuhiro Iio International Journal of Remote Sensing 2026. doi:10.1080/01431161.2026.2662533

Other claims from this paper (4)
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

TabPFN captured global, nonlinear spectral dependencies more effectively than tree-based models.

Taxon
Betula ermaniiBetula ermaniit0
Outcome
global, nonlinear spectral dependenciese3
Direction
more effectivelye3
Comparator
tree-based modelse3

Verbatim

t0

“Betula ermanii”

✓ located verbatim in the source · title, characters 145–159
e3

“Feature-importance patterns indicated that TabPFN captured global, nonlinear spectral dependencies more effectively than tree-based models”

✓ located verbatim in the source · abstract, characters 868–1006

Title

Data-efficient deep learning framework for estimating photosystem II fluorescence yield from leaf spectral reflectance: application of TabPFN to Betula ermanii

Rei Sonobe; Atsuhiro Iio International Journal of Remote Sensing 2026. doi:10.1080/01431161.2026.2662533

Other claims from this paper (4)
Method / resourceobservedoriginal resultnegativemeasured

Claim · model-written summary

Cubist exhibited relatively low accuracy for estimating photosystem II fluorescence yield, relative to the other four algorithms.

Taxon
Betula ermaniiBetula ermaniit0
Outcome
accuracye4
Direction
relatively lowe4
Comparator
the other four algorithmse2

Verbatim

t0

“Betula ermanii”

✓ located verbatim in the source · title, characters 145–159
e4

“Cubist, in contrast, exhibited relatively low accuracy”

✓ located verbatim in the source · abstract, characters 1107–1161
e2

“TabPFN markedly outperformed the other four algorithms, achieving the highest accuracy (RMSE = 0.087, R2 = 0.809, RPD = 2.29)”

✓ located verbatim in the source · abstract, characters 741–866

Title

Data-efficient deep learning framework for estimating photosystem II fluorescence yield from leaf spectral reflectance: application of TabPFN to Betula ermanii

Rei Sonobe; Atsuhiro Iio International Journal of Remote Sensing 2026. doi:10.1080/01431161.2026.2662533

Other claims from this paper (4)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The low accuracy of Cubist is likely due to the nonlinearity and high-collinearity of hyperspectral data, which limit its rule-based, piecewise-linear regression.

Taxon
Betula ermaniiBetula ermaniit0
Outcome
effectivenesse5
Qualifier
nonlinearity and high-collinearity of hyperspectral datae5

Verbatim

t0

“Betula ermanii”

✓ located verbatim in the source · title, characters 145–159
e5

“This is likely due to the nonlinearity and high-collinearity of hyperspectral data, which limit the effectiveness of Cubist’s rule-based, piecewise-linear regression strategy”

✓ located verbatim in the source · abstract, characters 1241–1415

Title

Data-efficient deep learning framework for estimating photosystem II fluorescence yield from leaf spectral reflectance: application of TabPFN to Betula ermanii

Rei Sonobe; Atsuhiro Iio International Journal of Remote Sensing 2026. doi:10.1080/01431161.2026.2662533

Other claims from this paper (4)
Observationobservedoriginal resultmeasured

Claim · model-written summary

In areas with high mortality of A. koreana, a transition to broad-leaved tree species such as Quercus mongolica and Betula ermanii was observed.

Taxon
Quercus mongolica and Betula ermaniiQuercus mongolicaBetula ermaniie0
Outcome
transition to broad-leaved tree speciese0
Setting
areas with high mortality ratese0

Verbatim

e0

“In areas with high mortality rates, a transition to broad-leaved tree species such as Quercus mongolica and Betula ermanii was observed”

✓ located verbatim in the source · abstract, characters 747–882

Title

Growth Dynamics of Korean fir (Abies koreana) Populations in the Western Area of Jirisan National Park (2011~2018)

Young-Moon Chun; Hyeon-Ho Myeong; Na-Yeon Lee; et al. Korea National Park Research Institute 2025. doi:10.54406/jnpr.2025.16.1.080

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

WFsoil-root increased with increasing fine-root RTD along the elevational gradient in both tree species.

Taxon
Abies mariesii Mast. and Betula ermanii Cham.Abies mariesiiBetula ermaniie0
Outcome
WFsoil-roote3
Direction
increasede3
Qualifier
with increasing RTDe3
Setting
elevational gradiente3

Verbatim

e0

“the hydraulic conductivity of fine roots of Abies mariesii Mast. and Betula ermanii Cham.”

✓ located verbatim in the source · abstract, characters 514–603
e3

“WFsoil-root covaried with the RTD-N axis along the elevational gradient, and trees increased WFsoil-root with increasing RTD”

✓ located verbatim in the source · abstract, characters 1217–1341

Title

Species-specific fine-root traits dominate the response of root water uptake to elevational gradients in subalpine forests

Taiga Masumoto; Yuki Hashimoto; Koichi Takahashi; et al. Tree Physiology 2025. doi:10.1093/treephys/tpaf165

Other claims from this paper (4)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

Higher fine-root RTD could function as an acquisitive trait for water uptake in subalpine forests.

Taxon
Abies mariesii Mast. and Betula ermanii Cham.Abies mariesiiBetula ermaniie0
Outcome
water uptakee4
Qualifier
acquisitive traitse4

Verbatim

e0

“the hydraulic conductivity of fine roots of Abies mariesii Mast. and Betula ermanii Cham.”

✓ located verbatim in the source · abstract, characters 514–603
e4

“higher RTD of fine root could function as the acquisitive traits for water uptake in subalpine forests”

✓ located verbatim in the source · abstract, characters 1383–1485

Title

Species-specific fine-root traits dominate the response of root water uptake to elevational gradients in subalpine forests

Taiga Masumoto; Yuki Hashimoto; Koichi Takahashi; et al. Tree Physiology 2025. doi:10.1093/treephys/tpaf165

Other claims from this paper (4)
Observationobservedoriginal resultnegativeprojected

Claim · model-written summary

Under SSP2-4.5, suitable area for B. ermanii decreased by the 2090s.

Taxon
B. ermaniiBetula ermaniie0
Outcome
potential suitable areae0
Direction
decreasede0
Qualifier
SSP2-4.5 scenarioe0

Verbatim

t0

“Assessment of climate change impact on landscape tree distribution and sustainability in South Korea using MaxEnt-based modeling”

✓ located verbatim in the source · title, characters 0–128
e0

“Under the SSP2-4.5 scenario, potential suitable area for S. koreana increased, while those for B. ermanii, T. cuspidata decreased by the 2090s.”

✓ located verbatim in the source · abstract, characters 1000–1143

Title

Assessment of climate change impact on landscape tree distribution and sustainability in South Korea using MaxEnt-based modeling

Dong-Joo Kim; Na-Yeon Han; Mi Na Choi; et al. PLoS ONE 2025. doi:10.1371/journal.pone.0316393

Other claims from this paper (10)
Observationobservedoriginal resultnegativeprojected

Claim · model-written summary

Under SSP5-8.5, suitable area for B. ermanii fell by 98.9%.

Taxon
B. ermaniiBetula ermaniie0
Outcome
suitable arease0
Direction
decreasede0
Value
98.9%e0
Qualifier
SSP5-8.5 scenarioe0

Verbatim

t0

“Assessment of climate change impact on landscape tree distribution and sustainability in South Korea using MaxEnt-based modeling”

✓ located verbatim in the source · title, characters 0–128
e0

“Under the SSP5-8.5 scenario, suitable areas for S. koreana, B. ermanii, T. cuspidata decreased by 33.6%, 98.9%, and 90.1%, respectively.”

✓ located verbatim in the source · abstract, characters 1144–1280

Title

Assessment of climate change impact on landscape tree distribution and sustainability in South Korea using MaxEnt-based modeling

Dong-Joo Kim; Na-Yeon Han; Mi Na Choi; et al. PLoS ONE 2025. doi:10.1371/journal.pone.0316393

Other claims from this paper (10)