Showing 241 - 260 results of 314 for search 'occurrence plot', query time: 0.08s Refine Results
  1. 241

    Forest cover and canopy health mapping in Australian subalpine landscape: supervised machine learning models for Sentinel-2 and Landsat images by Weerach Charerntantanakul, Marta Yebra, Hilary Rose Dawson, Adrienne Beth Nicotra, Saul Alan Cunningham, Matthew Theodore Brookhouse

    Published 2025-12-01
    “…Canopy condition regression models were trained on ground-based assessment data surveyed at 85 vegetation plots. We tested random-forest (RF), support vector machine (SVM), and multiple linear regression (MLR) to find the algorithm that provides the best accuracy. …”
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  2. 242

    Diffusive transport along a structured surface: ratchet effect stability when changing the potential profile type by T. Ye. Korochkova, O. V. Mashira, T. Yu. Gromovoy, A. D. Terets

    Published 2025-03-01
    “…Two key factors, necessary for the ratchet effect occurrence, are the presence of asymmetry in the system and the organization of the non-equilibrium fluctuations process. …”
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  3. 243

    Geochemical processes and groundwater quality assessment in the Yamuna-Hindon interfluve region of Bagpat district, Western Uttar Pradesh, India by Gautam Chandra Mondal, Abhishek Pandey Bharat, Abhay Kumar Singh

    Published 2025-08-01
    “…The data plotted on Piper triangular diagram indicated that Ca2+-Mg2+-HCO3 − and Na+-K+-HCO3 −-Cl− were major hydrogeochemical facies. …”
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  4. 244

    Patterns of short-term vegetation recovery after a fire in protected Scots pine forests of hemiboreal Latvia by Līga Liepa, Zigmārs Rendenieks, Edgars Dubrovskis, Lāsma Freimane, Inga Straupe, Āris Jansons

    Published 2025-03-01
    “…In each stand we established 16 sample plots (1 m × 1 m) in a radial pattern from the center. …”
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  5. 245

    Thermodynamics of AdS-Schwarzschild-like black hole in loop quantum gravity by Rui-Bo Wang, Shi-Jie Ma, Lei You, Yu-Cheng Tang, Yu-Hang Feng, Xian-Ru Hu, Jian-Bo Deng

    Published 2024-11-01
    “…The $$P-v$$ P - v graph was plotted, and the critical behavior was calculated. …”
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  6. 246

    Relationships between mean red blood cell volume, red blood cell distribution width and intradialytic hypotension in hemodialysis patients by Qin Ming-ming, Zhang Hong-xu, Zhang Chao-qun, Ruan Zhi-qun

    Published 2022-07-01
    “…Receiver operating characteristic (ROC) curves were plotted for examining the efficiencies of MCV and RDW in evaluating the occurrence of hypotension in hemodialysis patients.ResultsThe incidence of intradialytic hypotension was 23.68%(36/152) in patients with intradialytic hypotension. …”
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  7. 247

    Breeding habitat characteristics of Canada Warblers in central Alberta by Richard G. Krikun, Jenny L. McCune, Erin M. Bayne, D. T. Tyler Flockhart

    Published 2018-10-01
    “…At coarse-scales, Canada Warbler occurrence was positively correlated with shrub density and was higher in deciduous forests. …”
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  8. 248

    The impact of tolvaptan on the incidence of contrast-induced acute kidney injury and long-term prognosis in high-risk patients after coronary intervention by Chunyang Xu, Gaoliang Yan, Shenghong Ju, Yuancheng Wang, Chengchun Tang

    Published 2025-12-01
    “…Multivariate logistic regression analysis was performed to explore factors associated with CI-AKI occurrence. Kaplan-Meier survival curve was plotted with major adverse cardiovascular events (MACEs) to compare six-month survival rates between the two groups.Results The incidence of CI-AKI in the tolvaptan group was significantly lower than in the control group (10.3% vs. 23.3%, p = 0.008). …”
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  9. 249

    Historical dynamics of marginal populations at the leading edge of a temperate species in the boreal‐temperate ecotone by Pierre‐Yves Mondou Laperrière, Todor S. Minchev, Pierre Grondin, Martin Lavoie, Guillaume de Lafontaine

    Published 2024-12-01
    “…Contemporary dynamics (<200 years) were assessed by analyzing tree size structure of all stems within 400 m2 plots, minimal stand age from tree‐ring dating, as well as the recent occurrence of fire and logging from published ecoforest data. …”
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  10. 250

    A Conservation Assessment and Phylogenomic Evaluation of Protection Status in the Tropical Genus Heliconia L. (Zingiberales: Heliconiaceae) by W. John Kress, Tomáš Fér, Mónica M. Carlsen, Gary A. Krupnick

    Published 2025-09-01
    “…To conduct conservation assessments, specimen data were assembled from herbarium collections, species distributions were mapped across biomes and ecoregions, the extent of occurrence and area of occupancy were calculated, and land‐cover vegetation loss from human activities was plotted. …”
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  11. 251
  12. 252

    Investigating the relationship between insulin use and all-cause mortality, breast cancer mortality, and recurrence risk in diabetic patients with breast cancer: A comprehensive sy... by Marina V Loktionova, Mahdi Mohammadian, Roya Choopani, Soleiman Kheiri, Abdollah Mohammadian-Hafshejani

    Published 2024-01-01
    “…<h4>Background</h4>The co-occurrence of breast cancer and diabetes presents complex clinical challenges, as each condition may influence the progression and management of the other, potentially worsening patient outcomes. …”
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  13. 253

    Development of Modic Changes After Percutaneous Endoscopic Transforaminal Lumbar Discectomy: From Risk Analysis to Prediction Modeling by Li L, Wang C, Zhang H, Lin A, Qu C, Sun Y, Tao H, Ma X

    Published 2024-12-01
    “…The male and female subgroup models exhibited satisfactory performance across ROC analysis, calibration plots, and decision curve analysis. Specifically, for male patients, the area under the curve (AUC) was 0.831 for the training set and 0.820 for the validation set; for female patients, the AUC was 0.911 for the training set and 0.868 for the validation set. …”
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  14. 254

    Geochemistry of trace and rare earth elements of the productive intrusions in the Kuh-Kapout porphyry copper deposit, Urumieh–Dokhtar magmatic arc by Alireza Zarasvandi, Nasim Haghighatjou, Nader Taghipour, Mohsen Rezaei, Mohammad Amiri hoseini, Ghazal Zarasvandi

    Published 2024-06-01
    “…Th-Co diagram (Hastie et al., 2007) and Th/Yb-Ta/Yb diagram (Hastie et al., 2007) indicate that most of the samples in this study area were plotted in the calc-alkaline magma region of the diagrams. …”
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  15. 255

    Development and validation of an early predictive model for hemiplegic shoulder pain: a comparative study of logistic regression, support vector machine, and random forest by Qiang Wu, Qiang Wu, Fang Zhang, Yuchang Fei, Zhenfen Sima, Shanshan Gong, Qifeng Tong, Qingchuan Jiao, Hao Wu, Jianqiu Gong, Jianqiu Gong

    Published 2025-06-01
    “…The performance parameters (accuracy, precision, recall, and F1 score) of the models were calculated, the receiver operating characteristic curve (ROC) and the decision curve analysis (DCA) were plotted to compare the performance of the three models. …”
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  16. 256

    Birth-Related Subdural Hemorrhage in Asymptomatic Newborns: Magnetic Resonance Imaging Prevalence and Evolution of Intracranial and Intraspinal Localization by Davide Turilli, Leandra Piscopo, Alberto Dessì, Claudia Pinna, Liala Mirella Fattacciu, Emma Solinas, Ilaria Conti, Stefania Tamburrini, Giacomo Sica, Michele Klain, Salvatore Masala, Mariano Scaglione

    Published 2025-05-01
    “…Recent studies have shown that SDH and particularly post-traumatic birth-related hemorrhages represent a frequent occurrence, but they are often asymptomatic. The gold standard for the diagnosis and follow-up of patients with SDH is multiparametric Magnetic Resonance Imaging. …”
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  17. 257

    Invasion Status, Mechanisms, and Future Distribution Prediction of <i>Solidago canadensis</i> in the Trade Port Region: A Case Study of Ningbo Port, China by Xu Luo, Sixiao Shen, Ke Liao, Saiqiang Li, Qinqin Pan, Jiahao Ma, Weiqiang Li, Xiaodong Yang

    Published 2025-05-01
    “…The results indicate that the invasion of <i>S. canadensis</i> in the Ningbo Port was particularly severe, with a 67.7% occurrence rate of all sampling plots in the field survey, and a risk level classified as Grade 1. …”
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  18. 258

    Association of weight-adjusted waist index and body mass index with chronic low back pain in American adults: a retrospective cohort study and predictive model development based on... by Weiye Zhang, Weiye Zhang, Yan Li, Pengwei Shao, Yuxuan Du, Ke Zhao, Jiawen Zhan, Lee A. Tan

    Published 2025-07-01
    “…Receiver operating characteristic (ROC) curves were plotted to determine which indicator demonstrated stronger association with CLBP. …”
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  19. 259

    Monitoring Tropical Forest Disturbance and Recovery: A Multi-Temporal L-Band SAR Methodology from Annual to Decadal Scales by Derek S. Tesser, Kyle C. McDonald, Erika Podest, Brian T. Lamb, Nico Blüthgen, Constance J. Tremlett, Felicity L. Newell, Edith Villa-Galaviz, H. Martin Schaefer, Raul Nieto

    Published 2025-06-01
    “…The results demonstrate that employing a dual-polarimetric decomposition classification scheme and subsequently deriving the associated gray-level co-occurrence matrix mean from the DpRVI substantially improved the classification accuracy (from 88.2% to 97.2%). …”
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  20. 260

    Tree-based attributes of large trees more effectively regulate aboveground carbon stock than trait-based ones in temperate deciduous forests by Maryam Kazempour Larsary, Hassan Pourbabaei, Ali Salehi, Rasoul Yousefpour, Arshad Ali

    Published 2025-07-01
    “…The tree-based and trait-based attributes of L-trees and S-trees shaped species co-occurrence processes but L-trees regulated AGCS more effectively (31.29–93.20%) than S-trees and abiotic factors across four thereshold size approaches and two concepts. …”
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