Page 65 - Read online
P. 65

Diaz-Vallejo et al. Carbon Footprints 2026, 5, 12                                Page 21 of 23





               24.  Nunes, M. R.; Veum, K. S.; Parker, P. A.; et al. The soil health assessment protocol and evaluation applied to soil organic carbon. Soil.
                  Sci. Soc. Am. J. 2021, 85, 1196-213. DOI
               25.  Luo, Z.; Feng, W.; Luo, Y.; Baldock, J.; Wang, E. Soil organic carbon dynamics jointly controlled by climate, carbon inputs, soil
                  properties and soil carbon fractions. Glob. Chang. Biol. 2017, 23, 4430-9. DOI PubMed
               26.  Wiesmeier, M.; Urbanski, L.; Hobley, E.; et al. Soil organic carbon storage as a key function of soils - a review of drivers and indicators
                  at various scales. Geoderma 2019, 333, 149-62. DOI
               27.  Zhang, S.; Wang, M.; Xiao, L.; et al. Reconciling carbon quality with availability predicts temperature sensitivity of global soil carbon
                  mineralization. Proc. Natl. Acad. Sci. U. S. A. 2024, 121, e2313842121. DOI PubMed PMC
               28.  Hobley, E. U.; Baldock, J.; Wilson, B. Environmental and human influences on organic carbon fractions down the soil profile. Agric.
                  Ecosyst. Environ. 2016, 223, 152-66. DOI
               29.  Lavallee, J. M.; Soong, J. L.; Cotrufo, M. F. Conceptualizing soil organic matter into particulate and mineral-associated forms to address
                  global change in the 21st century. Glob. Chang. Biol. 2020, 26, 261-73. DOI
               30.  Heckman, K.; Hicks Pries, C. E.; Lawrence, C. R.; et al. Beyond bulk: density fractions explain heterogeneity in global soil carbon
                  abundance and persistence. Glob. Chang. Biol. 2022, 28, 1178-96. DOI PubMed
               31.  Sokol, N. W.; Whalen, E. D.; Jilling, A.; Kallenbach, C.; Pett‐ridge, J.; Georgiou, K. Global distribution, formation and fate of mineral‐
                  associated soil organic matter under a changing climate: a trait‐based perspective. Funct. Ecol. 2022, 36, 1411-29. DOI
               32.  Manzoni, S.; Cotrufo, M. F. Mechanisms of soil organic carbon and nitrogen stabilization in mineral-associated organic matter-insights
                  from modeling in phase space. Biogeosciences 2024, 21, 4077-98. DOI
               33.  Mayes, M.; Marin-spiotta, E.; Szymanski, L.; Akif Erdoğan, M.; Ozdoğan, M.; Clayton, M. Soil type mediates effects of land use on soil
                  carbon and nitrogen in the Konya Basin, Turkey. Geoderma 2014, 232-234, 517-27. DOI
               34.  Sotomayor-Ramírez, D.; Cruz, L.; Pérez-Alegría, L. R. Soil organic matter stocks and spatial distribution in the Rio Grande de Arecibo
                                                                          ​
                                                             ​
                                                                        ​
                                                                         ​
                                                                ​
                                                               ​
                                                              ​
                                                              ​
                                                                ​
                                                                        ​
                                                                  ​
                                                                 ​
                                                                  ​
                                                                    ​
                                                                   ​
                                                                      ​
                                                                       ​
                                                                      ​
                                                                     ​
                                                                     ​
                                                    ​
                                                ​
                                                     ​
                                                      ​
                                                      ​
                                                   ​
                                                   ​
                                                  ​
                                                ​
                                                 ​
                                                           ​
                                                          ​
                                                           ​
                                                            ​
                                                            ​
                                                       ​
                                                       ​
                                                        ​
                                                         ​
                                                        ​
                                                                          ​
                                                                                 ​
                                                                                ​
                                                                               ​
                                                                                  ​
                  watershed. J. Agric. Univ. P. R. 2010, 94-1. ht​tps:​//r​evistas.upr.edu/index.php/jaupr/article/view/​2582 (accessed 2026-03-12).
                                                                                   ​
                                                                                   ​
                                                                            ​
                                                                           ​
                                                                          ​
                                                                            ​
                                                                             ​
                                                                              ​
                                                                              ​
               35.  Natural Resources Conservation Service. Caribbean Soils Division [Internet]. Washington (DC): U.S. Department of Agriculture,
                  Natural Resources Conservation Service; 2023. h​t​t​p​s​:​/​/​w​w​w​.​n​r​c​s​.​u​s​d​a​.​g​o​v​/​s​t​a​t​e​-​o​f​f​i​c​e​s​/​c​a​r​i​b​b​e​a​n​-​a​r​e​a​/​c​a​r​i​b​b​e​a​n​-​s​o​i​l​s​-​d​i​v​i​s​i​o​n​
                  (accessed 2026-03-12).
               36.  Wadsworth, F. H. A forestry assignment to puerto rico: forestry memoirs of frank wadsworth. Impresos Emanuelli. Inc., Aguas Buenas,
                  Puerto Rico, USA. 2014. h​t​t​p​s​:​/​/​b​o​o​k​s​.​g​o​o​g​l​e​.​c​o​m​/​b​o​o​k​s​/​a​b​o​u​t​/​A​_​F​o​r​e​s​t​r​y​_​A​s​s​i​g​n​m​e​n​t​_​t​o​_​P​u​e​r​t​o​_​R​i​c​o​.​h​t​m​l​?​i​d​=​V​I​F​l​r​g​E​A​C​A​A​J​
                  (accessed 2026-03-12).
               37.  Franco, P. A.; Weaver, P. L.; Eggen-McIntosh, S. Forest resources of Puerto Rico, 1990. Resour. Bull. SRS-22. Asheville, NC: U.S.
                  Department of Agriculture, Forest Service, Southern Research Station. 4.5 p. h​t​t​p​s​:​/​/​r​e​s​e​a​r​c​h​.​f​s​.​u​s​d​a​.​g​o​v​/​t​r​e​e​s​e​a​r​c​h​/​3​0​3​2​7​ (accessed
                  2026-03-12).
               38.  Gould, W. A.; Wadsworth, F. H.; Quiñones, M.; Fain, S. J.; Álvarez-berríos, N. L. Land use, conservation, forestry, and agriculture in
                  Puerto Rico. Forests 2017, 8, 242. DOI
               39.  Daly, C.; Helmer, E. H.; Quiñones, M. Mapping the climate of Puerto Rico, Vieques and Culebra. Int. J. Climatol. 2003, 23, 1359-81.
                  DOI
               40.  Lugo, A. E.; Brown, S. Management of tropical soils as sinks or sources of atmospheric carbon. Plant. Soil. 1993, 149, 27-41. DOI
               41.  Muñoz, M. A.; Lugo, W. I.; Santiago, C.; Matos, M.; Ríos, S.; Lugo, J. Taxonomic classification of the soils of Puerto Rico, 2017. h​t​t​p​s​:​/
                  /​w​w​w​.​u​p​r​m​.​e​d​u​/​t​a​m​u​k​/​w​p​-​c​o​n​t​e​n​t​/​u​p​l​o​a​d​s​/​s​i​t​e​s​/​2​9​9​/​2​0​1​9​/​0​6​/​T​a​x​o​n​o​m​i​c​_​c​l​a​s​s​i​f​i​c​a​t​i​o​n​_​s​o​i​l​s​_​P​R​_​2​0​1​8​_​r​e​d​u​c​e​d​.​p​d​f​ (accessed
                  2026-03-12).
               42.  Beaudette, D. E.; Skovlin, J.; Roecker, S.; Brown, A. Package ‘soilDB’. h​t​t​p​s​:​/​/​c​r​a​n​.​r​-​p​r​o​j​e​c​t​.​o​r​g​/​w​e​b​/​p​a​c​k​a​g​e​s​/​s​o​i​l​D​B​/​s​o​i​l​D​B​.​p​d​f​
                  (accessed 2026-03-12).
               43.  Georgiou, K.; Jackson, R. B.; Vindušková, O.; et al. Global stocks and capacity of mineral-associated soil organic carbon. Nat. Commun.
                  2022, 13, 3797. DOI
               44.  Yan, L.; Gao, D.; Wang, H.; Meng, S.; Lin, G.; Fu, J. Depth-dependent stabilization mechanisms of soil organic carbon and total
                  nitrogen in different mixed modes of subtropical Moso bamboo forests. Front. Microbiol. 2025, 16, 1671811. DOI
               45.  Sotomayor-Ramirez, D.; Espinoza, Y. Soil aggregation and organic carbon fractions in the Rio Grande de Arecibo watershed. J. Agric.
                  Univ. PR. 2010, 94, 25-39. DOI
               46.  Ripley, B.; Venables, W. N.; Ripley, B. D. Modern Applied Statistics with S, Fourth edition. Springer, New York. h​t​t​p​s​:​/​/​c​r​a​n​.​r​-​p​r​o​j​e​c​t​.​o
                             ​
                            ​
                     ​
                              ​
                    ​
                                ​
                               ​
                           ​
                         ​
                        ​
                       ​
                       ​
                      ​
                          ​
                         ​
                                 ​
                                      ​
                                    ​
                                    ​
                                      ​
                                         ​
                                        ​
                                       ​
                  rg/web/package​s/MASS/inde​x.html​ (accessed 2026-03-12).
                                  ​
                   ​
                                  ​
                                   ​
                    ​
               47.  Liaw, A.; Wiener, M. Classification and regression by randomForest. R. News. 2002, 2, 18-22. h​t​t​p​s​:​/​/​j​o​u​r​n​a​l​.​r​-​p​r​o​j​e​c​t​.​o​r​g​/​a​r​t​i​c​l​e​s​/​R​N​-​2
                       ​
                     ​
                  0​0​2-0​22/RN-20​0​2-​0​22.pdf (accessed 2026-03-12).
                     ​
                                 ​
                                 ​
                                ​
                                    ​
                                   ​
                                  ​
                              ​
                         ​
                        ​
                        ​
                            ​
                           ​
                          ​
               48.  Kuhn, M. Building predictive models in R using the caret package. J. Stat. Soft. 2008, 28, 1-26. DOI
   60   61   62   63   64   65   66   67   68   69   70