Matches in Nanopublications for { ?s ?p <https://doi.org/10.1016/j.scitotenv.2025.179451> ?g. }
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- The%20total%20soil%20organic%20carbon%20%28SOC%29%20stock%20in%20Norwegian%20forests%20down%20to%20100%20cm%20depth%20is%20estimated%20to%20be%201.57%E2%80%931.87%20Pg%20C. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20average%20SOC%20density%20in%20Norwegian%20forests%20down%20to%20100%20cm%20depth%20is%2015.3%20kg%20C%20m%5E-2. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20SOC%20stock%20in%20the%20forest%20floor%20%28LFH%20layer%29%20of%20Norwegian%20forests%20is%200.55%E2%80%930.66%20Pg%20C%2C%20with%20an%20average%20density%20of%205.4%20kg%20C%20m%5E-2. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20SOC%20stock%20in%20the%20upper%200%E2%80%9330%20cm%20mineral%20soil%20layer%20of%20Norwegian%20forests%20is%200.68%E2%80%930.80%20Pg%20C%2C%20with%20an%20average%20density%20of%206.6%20kg%20C%20m%5E-2. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Sentinel-2%20Normalized%20Difference%20Vegetation%20Index%20%28NDVI%29%2C%20depth%20to%20water%20table%2C%20and%20slope%20were%20the%20strongest%20predictors%20of%20SOC%20stocks%20in%20the%20mapping%20models. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Soil%20nitrogen%20and%20manganese%20concentrations%20were%20major%20predictors%20of%20SOC%20stocks%20in%20models%20incorporating%20soil%20chemistry%20data. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Prediction%20uncertainties%20in%20SOC%20stocks%20were%20greater%20for%20Folisols%20and%20Regosols%20compared%20to%20other%20soil%20types. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Northern%20Norway%20and%20Western%20Norway%20exhibited%20the%20lowest%20R%5E2%20values%20for%20SOC%20predictions%2C%20indicating%20poorer%20representation%20of%20SOC%20variability%20in%20these%20regions. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Boosted%20regression%20tree%20models%20incorporating%20soil%20chemistry%20data%20showed%20higher%20predictive%20performance%20%28R%5E2%20%3D%200.65%E2%80%930.71%29%20compared%20to%20models%20without%20soil%20chemistry%20data%20%28R%5E2%20%3D%200.44%E2%80%930.58%29. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- SOC%20stocks%20in%20Norwegian%20forests%20were%20overpredicted%20by%2018%25%20on%20average%20when%20compared%20to%20independent%20SOC%20datasets. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20SOC%20maps%20likely%20contain%20underestimated%20SOC%20stocks%20in%20forests%20with%20peat%20formation%20and%20overestimated%20SOC%20stocks%20in%20forested%20mountain%20areas%20with%20shallow%20soils. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20mapping%20models%20displayed%20low%20R2%20values%2C%20ranging%20from%200.09%20to%200.37%2C%20for%20Nonsoil-Folisol%20and%20Regosol%20sites. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20implementation%20of%20the%20ANOVA%20model%20to%20predict%20SOC%20down%20to%20100%20cm%20resulted%20in%20a%20broader%20prediction%20range%2C%20from%202%20to%2058%20kg%20C%20m-2. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20predictive%20performance%20of%20the%20ANOVA%20model%20was%20notably%20lower%20than%20that%20of%20the%20BRT%20models%2C%20with%20R2%20values%20ranging%20from%200.03%20to%200.04%2C%20compared%20to%20an%20R2%20of%200.44%20for%20the%20total%20SOC%20model. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20accuracy%20of%20the%20models%20varied%20across%20regions%2C%20with%20mean%20R2%20values%20ranging%20from%200.40%20to%200.54. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Predictive%20performance%20was%20generally%20higher%20in%20Southern%20and%20Central%20Norway%2C%20while%20models%20performed%20less%20effectively%20in%20Western%20and%20Northern%20Norway. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- In%20Western%20Norway%2C%20the%20SOC100%20and%20SOC30%20models%20performed%20poorly%2C%20though%20the%20SOC30%20model%20exhibited%20the%20highest%20performance%20in%20this%20region. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Validation%20against%20independent%20SOC%20data%20suggested%20poorer%20performance%2C%20with%20R2%20values%20of%200.44%20for%20LFH%20SOC%20stock%2C%200.23%20for%20total%20SOC%20stock%20%280%E2%80%93100%20cm%29%2C%20and%200.02%20for%20mineral%20SOC%20stock%20%280%E2%80%9330%20cm%29. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Predictions%20for%20SOC30%20generally%20ranged%20between%205%20and%2010%20kg%20C%20m-2%2C%20exceeding%20the%20typical%20mineral%20SOC%20stock%20of%205%20kg%20C%20m-2%20in%20the%20training%20and%20validation%20data. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Predictions%20for%20mineral%20SOC%20in%20the%200%E2%80%9330%20cm%20layer%20contained%20large%20uncertainties%20despite%20similar%20cross-validated%20predictive%20performance. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20biased%20predictions%20for%20SOC30%2C%20particularly%20in%20shallow%20soils%2C%20suggest%20systematic%20errors%20related%20to%20soil%20bulk%20density. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Up-scaling%20the%20models%20to%20the%20national%20level%2C%20we%20estimated%20a%20total%20SOC%20stock%20of%201.57%E2%80%931.87%20Pg%20C%20down%20to%20100%20cm%2C%20with%200.55%E2%80%930.66%20Pg%20C%20in%20the%20LFH%20layer%20and%200.68%E2%80%930.80%20Pg%20C%20in%20the%200%E2%80%9330%20cm%20mineral%20soil%20layer. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Soil%20moisture%20conditions%20and%20the%20normalized%20difference%20vegetation%20index%20from%20Sentinel-2%20are%20strong%20predictors%20of%20SOC%20stocks%20in%20Norway. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Local%20variables%2C%20such%20as%20depth%20to%20the%20groundwater%20table%2C%20NDVI%2C%20and%20topographic%20features%2C%20are%20stronger%20predictors%20of%20SOC%20stocks%20than%20broader%20climatic%20variables. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Climatic%20drivers%20to%20vegetation%20and%20ecosystem%20functionality%20are%20largely%20represented%20through%20other%20variables%20such%20as%20reflectance%20bands%2C%20masking%20the%20potential%20effect%20of%20climate%20on%20ecosystem%20and%20soil%20functions. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- The%20lack%20of%20depth-dependent%20variation%20in%20organic%20matter%20fraction%20and%20bulk%20density%20in%20the%20mineral%20soil%20layer%20may%20have%20introduced%20prediction%20biases%20for%20SOC30. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- Potential%20SOC%20stock%20changes%20over%2030%20years%20correspond%20to%20a%20potential%20underestimation%20of%20SOC%20stocks%20by%200.4%E2%80%934.3%25. obtainsSupportFrom j.scitotenv.2025.179451 assertion.
- External%20validation%20data%20indicate%20that%20SOC100%20predictions%20tend%20to%20overestimate%2C%20rather%20than%20underestimate%2C%20total%20SOC%20stocks. obtainsSupportFrom j.scitotenv.2025.179451 assertion.