Search claims · PlantClaims

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Statistical fits to recognized NVC types were often poor.

Taxon: Equisetum variegatumEquisetum variegatumt0
Outcome: statistical fitse0
Comparator: recognised NVC vegetation typese0

Verbatim

e0
“statistical fits to recognised NVC vegetation types were often poor.”
✓ located verbatim in the source · abstract, characters 856–924

t0
“Equisetum variegatum”
✓ located verbatim in the source · title, characters 28–48

Title

Distribution and ecology of Equisetum variegatum (Variegated Horsetail) (Equisetaceae) on the Sefton Coast sand-dunes, north Merseyside, UK

Philip H. Smith British & Irish Botany 2023. doi:10.33928/bib.2023.05.114

Other claims from this paper (8)

Observation E. variegatum was present at 19 of 28 known sites.
Observation Most extant sites had young calcareous dune slacks and scrapes near shore.
Observation Vegetation supporting E. variegatum contained 78 vascular taxa, including 20 notable and 10 Red-listed taxa.
Observation Only four non-native species occurred in supporting vegetation.
Observation Five NVC dune-slack communities were represented.
Observation SD15 was the most frequent community, followed by SD16.
Association Overgrowth by vegetation and scrub was considered responsible for loss at nine sites.
Observation Eleven sites appeared imminently threatened by scrub development.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Archimedean copulas gave the best statistical fits of the joint distributions of rainfed cereal yield anomalies and drought indicators.

Taxon: rainfed cereale2
Outcome: statistical fits of the joint probability distributionse2
Comparator: ellipticale1

Verbatim

e1
“using elliptical and Archimedean copulas”
✓ located verbatim in the source · abstract, characters 512–552

e2
“The results indicate that, in general, Archimedean copulas provide the best statistical fits of the joint probability distributions, suggesting a dependence among extreme values of rainfed cereal yield anomalies and drought indicators”
✓ located verbatim in the source · abstract, characters 1187–1421

Title

Probabilistic modelling of the dependence between rainfed crops and drought hazard

Andreia F. S. Ribeiro; Ana Russo; Célia M. Gouveia; et al. Natural hazards and earth system sciences 2019. doi:10.5194/nhess-19-2795-2019

Other claims from this paper (2)

Method / resourceobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Marquardt exponential fits had high determination and statistical significance for 14 of 15 species.

Taxon: speciese0
Outcome: determination coefficiente0
Value: 14 out of 15e0

Verbatim

e0
“Using the Marquardt exponential method, 14 out of 15 studied species showed a high determination coefficient and statistical significance”
✓ located verbatim in the source · abstract, characters 1070–1207

Title

Predicting root biomass for semiarid grassland species of the southern Chihuahuan Desert

Miguel Angel Hernández Gómez; Marisela Pando-Moreno; Ricardo Mata González; et al. Revista mexicana de ciencias forestales 2018. doi:10.29298/rmcf.v9i50.226

Other claims from this paper (7)

Observation Frankenia gypsophila had a root/shoot ratio above one.
Observation Dalea gypsophila had a root/shoot ratio above one.
Observation Enneapogon desvauxii had a root/shoot ratio near one.
Observation Atriplex acantocarpha had a root/shoot ratio near one.
Observation Eight species showed a significant correlation in at least one analysis.
Method / resource Five named species had significant correlations and acceptable determination coefficients.
Method / resource The Marquardt method estimated root biomass from height and crown diameter with r2 of 0.853.

Method / resourceobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Two unary QPFM fits did not pass statistical significance tests.

Taxon: riceOryza sativae0
Treatment: unary QPFMe0
Outcome: did not pass statistical significance testse0
Value: twoe0

Verbatim

e0
“The responses of 18 rice field experiments to N, P, or K fertilization indicated that the new models could significantly predict rice yields, while two experimental fitting results using the unary QPFM did not pass statistical significance tests.”
✓ located verbatim in the source · abstract, characters 653–899

Title

Unary Non-Structural Fertilizer Response Model for Rice Crops and Its Field Experimental Verification

Mingqing Zhang; Juan Li; Fang Chen; et al. Scientific Reports 2018. doi:10.1038/s41598-018-21163-w

Other claims from this paper (7)

Association Rice yield increases exhibited an exponential relationship with fertilizer rate.
Method / resource A unary non-structural fertilizer response model was proposed.
Method / resource New models significantly predicted rice yields in 18 field experiments.
Method / resource Residual standard deviations of 13 new models were significantly lower than unary QPFM.
Association Recommended application rates from the new model and QPFM had a significant linear correlation.
Method / resource Theoretical analysis identified unary QPFM as a simplified version of the new model.
Method / resource Theoretical analysis reported higher fitting precision and better applicability, with the model referent ambiguous.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The negative binomial distribution had the greatest percentage of best or closest fits among the 3 most acceptable models

Taxon: farmers' stock peanutse0
Outcome: percentage of best or closest fitse3
Direction: greateste3
Comparator: the 3 most acceptable statistical modelse3

Verbatim

e0
“All theoretical distributions were compared with 120 observed distributions of aflatoxin test results of farmers' stock peanuts”
✓ located verbatim in the source · abstract, characters 215–342

e3
“For the 3 most acceptable statistical models, the negative binomial had the greatest percentage of best or closest fits”
✓ located verbatim in the source · abstract, characters 641–760

Title

Suitability of Several Statistical Models to Simulate Observed Distribution of Sample Test Results in Inspections of Aflatoxin-Contaminated Peanut Lots

Thomas Whitaker; Francis Giesbrecht; Jeremy Wu Journal of AOAC International 1996. doi:10.1093/jaoac/79.4.981

Other claims from this paper (4)

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Both MA and HA statistical models had good fits and small predicted-observed differences.

Taxon: Ballota limbataRydingia limbatae1
Outcome: strong fit statistics, and small differences between predicted and observed valuese0
Comparator: predicted and observed valuese0

Verbatim

e0
“Statistical modeling showed that MA and HA both were reliable, with low p-values, strong fit statistics, and small differences between predicted and observed values”
✓ located verbatim in the source · abstract, characters 1198–1362

e1
“Ballota limbata”
✓ located verbatim in the source · abstract, characters 0–15

Title

Artificial neural networks (ANN) and response surface methodology (RSM) for optimizing antioxidant and α-amylase inhibitory compound extraction from Ballota limbata

Namra; Haroon Iftikhar; Alev Yüksel Aydar; et al. Scientific Reports 2026. doi:10.1038/s41598-026-37738-x

Other claims from this paper (12)

Observation MA yielded 3.27 mg gallic acid equivalents/g (GAE/g) dry weight (DW) for TPC.
Observation MA yielded 2.43 mg rutin equivalents/g (RE/g) DW for TFC.
Observation MA yielded 2.16 mg ascorbic acid equivalents/g (AAE/g) DW for RSA.
Observation MA yielded 60.99% for AAI.
Observation HA yielded 3.85 mg GAE/g DW for TPC.
Observation HA yielded 2.40 mg RE/g DW for TFC.
Observation HA yielded 2.50 mg AAE/g DW for RSA.
Observation HA yielded 86.22% for AAI.
Association HA recovered more bioactives than MAE.
Association MAE was more time-efficient than HA.
Method / resource ANN predicted outcomes more accurately than RSM.
Association HA and MA differed significantly in AAI.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The two models fit growth data with little statistical difference.

Taxon: cabbage and lettuceBrassica oleracea var. capitata Lactuca sativat0
Outcome: fits of the two models to the growth datae0
Comparator: two modelse0

Not reportedDirection

Verbatim

e0
“there was little statistical difference between the fits of the two models to the growth data over the range tested”
✓ located verbatim in the source · abstract, characters 1078–1193

t0
“cabbage and lettuce plants”
✓ located verbatim in the source · abstract, characters 907–933

Title

Studies of the Relationship between the Growth Rate of Young Plants and their Total-N Concentration using Nutrient Interruption Techniques: Theory and Experiments

I Burns Annals of Botany 1994. doi:10.1006/anbo.1994.1104

Other claims from this paper (6)

Method / resource Model 1 parameter estimates conflicted with assumptions about growth physiology.
Method / resource Model 1 made unrealistic predictions under acute nitrogen deficiency.
Method / resource Model 2 offered a better mechanistic interpretation of growth data.
Method / resource Model 2 predictions closely matched observed growth rate and nitrogen relationships for whole plants and shoots.
Association Internal nitrogen reserve size governed nitrogen transfer to roots as deficiency developed.
Observation Nitrogen transfer to roots was greater in cabbage than lettuce.

Method / resourceobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Adding height did not significantly improve model fit.

Taxon: B. aegypticae0
Outcome: statistical fitse0
Direction: did not signiﬁcantly improvee0
Comparator: heighte0

Verbatim

e0
“the inclusion of the height in the equations did not signiﬁcantly improve the statistical fits for B. aegyptica”
✓ located verbatim in the source · abstract, characters 1297–1408

Title

Prediction of aboveground biomass and carbon stock of Balanites aegyptiaca, a multipurpose species in Burkina Faso

Sambo Ouédraogo; Oumarou Ouédraogo; Kangbéni Dimobe; et al. Heliyon 2020. doi:10.1016/j.heliyon.2020.e04581

Other claims from this paper (5)

Observation Branches accounted for 64% of aboveground biomass in both climatic zones and their biomass rose with dbh.
Observation Carbon content did not differ significantly.
Association Biomass allotment other than leaves varied across climatic zones.
Method / resource Adding crown diameter to dbh significantly improved equations in the Sudano-Sahelian zone.
Method / resource The established models can estimate individual tree biomass in similar areas.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The chiasma frequency distribution in bivalents of eight angiosperm genera fits the type needed to explain genetical interference.

Taxon: angiosperm generae0
Outcome: statistical distribution of chiasma frequenciese0
Qualifier: of the type required to explain the genetical phenomenon of interferencee0

Verbatim

e0
“The statistical distribution of chiasma frequencies observed in bivalents of eight angiosperm genera is shown to be of the type required to explain the genetical phenomenon of interference”
✓ located verbatim in the source · abstract, characters 0–188

Title

The Cytological Basis of Genetical Interference

J. B. S. HALDANE CYTOLOGIA 1931. doi:10.1508/cytologia.3.54

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The EPC method fit the gene-based GWAS model well and had good statistical efficiency.

Taxon: maizeZea mayst0
Outcome: statistical efficiencye0

Not reportedComparatorValue

Verbatim

e0
“The EPC method fits the model well and has good statistical efficiency.”
✓ located verbatim in the source · abstract, characters 1046–1117

t0
“Maize”
✓ located verbatim in the source · title, characters 82–87

Title

Gene-Based Genome-Wide Association Study Identified Genes for Agronomic Traits in Maize

Yunfeng Zhao; Jin Gao; Xiugang Guo; et al. Biology 2022. doi:10.3390/biology11111649

Other claims from this paper (4)

Method / resource EPC overcame the false-negative problem of ALLSNP.
Method / resource EPC resolved the false-positive problem of EPCLM.
Method / resource EPC had higher statistical efficiency than FPC.
Observation The analyses identified 132 quantitative trait genes for the specified maize traits and datasets.

“statistical fits”

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