Reference health
Deep soil: Quantification, modeling, and significance of subsurface nitrogen
28/28 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
11 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 28 checked references that resolve
resolves10.1016/j.foreco.2005.08.018
Nitrogen-fertilization impacts on carbon sequestration and flux in managed coastal Douglas-fir stands of the Pacific Northwest
resolves10.2136/sssaj1998.03615995006200010023x
Carbon, Nitrogen, and Sulfur Pools in Particle‐Size Fractions as Influenced by Climate
resolves10.1007/s00442-011-2065-2
The effect of hydraulic lift on organic matter decomposition, soil nitrogen cycling, and nitrogen acquisition by a grass species
resolves10.2136/sssaj1990.03615995005400010041x
Douglas Fir Growth and Foliar Nutrient Responses to Nitrogen and Sulfur Fertilization
resolves10.1093/treephys/22.15-16.1107
Hydraulic redistribution of soil water during summer drought in two contrasting Pacific Northwest coniferous forests
resolves10.1111/j.1365-3040.2005.01409.x
Hydraulic redistribution in a Douglas‐fir forest: lessons from system manipulations
resolves10.1023/A:1009692114618
Simple rules for measuring changes in ecosystem carbon in forestry-offset projects
resolves10.1139/x98-101
Soil carbon and nitrogen pools and processes in an old-growth conifer forest 13 years after trenching
resolves10.2136/sssaj1988.03615995005200040049x
Estimating Soil Nitrogen and Carbon Pools in a Northern Hardwood Forest Ecosystem
resolves10.2136/sssaj2013.06.0245nafsc
Deep Soil Carbon: Quantification and Modeling in Subsurface Layers
resolves10.1890/1051-0761(2000)010[0423:TVDOSO]2.0.CO;2
THE VERTICAL DISTRIBUTION OF SOIL ORGANIC CARBON AND ITS RELATION TO CLIMATE AND VEGETATION
resolves10.1016/j.soilbio.2009.02.031
Soil carbon and nitrogen mineralization: Theory and models across scales
resolves10.1071/SR05136
Prediction and digital mapping of soil carbon storage in the Lower Namoi Valley
resolves10.1007/s10661-005-2144-0
Developing a National Indicator of Soil Quality on U.S Forestlands: Methods and Initial Results
resolves10.1002/eco.1459
Hydraulic redistribution by plants and nutrient stoichiometry: Shifts under global change
resolves10.2136/sssaj2006.0424
Mineral and Organic Matter Controls on the Sorption of Macronutrient Anions in Variable‐Charge Soils
resolves10.1016/j.foreco.2005.07.013
Soil solution nitrogen concentrations and leaching rates as influenced by organic matter retention on a highly productive Douglas-fir site
resolves10.2134/jeq1984.00472425001300040015x
The Impact of Nitrification on Soil Acidification and Cation Leaching in a Red Alder Ecosystem
resolves10.2136/sssaj1985.03615995004900050041x
Acidification Sources in Red Alder and Douglas Fir Soils‐Importance of Nitrification
The 11 references without a DOI — listed, not checked
no DOI — not checkedBates, D., Maechler, M., Bolker, B., Walker, S., 2014. lme4: Linear Mixed-effects Models using Eigen and S4. R Package Version 1.1-7. <http://CRAN.R-project.org/package=lme4>.
no DOI — not checkedOrganic carbon profiles in Oxisols
no DOI — not checkedHolub, S.M., 2011. Soil carbon change in Pacific Northwest coastal Douglas-fir forests: change detection following harvest – soils establishment report. In: Weyerhaeuser NR Company, p. 63.
no DOI — not checkedSubsurface carbon contents: some case studies in forest soils
no DOI — not checkedPinheiro, J., Bates, D., DebRoy, S., Sarkar, D., R Core Team 2014. nlme: Linear and Nonlinear Mixed Effects Models. R Package Version 3.1-117. <http://CRAN.R-project.org/package=nlme>.
no DOI — not checkedR Core Team, 2012. R: a language and environment for statistical computing. In: R Foundation for Statistical Computing, Vienna, Austria.
no DOI — not checkedRussell, J.S., Moore, A.W., 1968. Comparison of different depth weightings in the numerical analysis of anisotropic soil profile data. In: Proceedings of the 9th International Congress of Soil Science, Adelaide, pp. 205–213.
no DOI — not checkedSit, V., Poulin-Costello, M., 1994. Catalog of curves for curve fitting. In: Biometrics Information Handbook Series. Province of British Columbia Ministry of Forests.
no DOI — not checkedSoil Survey Staff, 2013. Natural Resources Conservation Service, United States Department of Agriculture. Web Soil Survey. <http://websoilsurvey.nrcs.usda.gov/>.
no DOI — not checked10.1016/j.foreco.2014.10.010_b0195
no DOI — not checkedTotal soil carbon in the coarse fraction and at depth
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