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Journal Article

Role of Forest Carbon Change in Shaping Future Land Use and Land Cover Change

Authors

Luo,  Meng
External Organizations;

Zhao,  Xin
External Organizations;

Hao,  Dalei
External Organizations;

Bond‐Lamberty,  Ben
External Organizations;

Daigneault,  Adam
External Organizations;

Patel,  Pralit L.
External Organizations;

Kou‐Giesbrecht,  Sian
External Organizations;

/persons/resource/Reyer

Reyer,  Christopher P. O.
Potsdam Institute for Climate Impact Research;

Dashti,  Hamid
External Organizations;

Chen,  Min
External Organizations;

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Citation

Luo, M., Zhao, X., Hao, D., Bond‐Lamberty, B., Daigneault, A., Patel, P. L., Kou‐Giesbrecht, S., Reyer, C. P. O., Dashti, H., Chen, M. (2025): Role of Forest Carbon Change in Shaping Future Land Use and Land Cover Change. - Global Change Biology, 31, 5, e70219.
https://doi.org/10.1111/gcb.70219


Cite as: https://publications.pik-potsdam.de/pubman/item/item_32254
Abstract
Global change, particularly the changes in atmospheric CO2 concentration, climatic variables, and nitrogen deposition, has been widely recognized and examined to have worldwide impacts on forest carbon. However, its influence on forest area required to meet the demand for timber and carbon storage and subsequent land use and land cover change (LULCC) is rarely studied. This study explores the role of global change-driven forest carbon change in shaping future global LULCC projections and investigates underlying drivers. We incorporated the global change impacts on forest carbon from the Canadian Land Surface Scheme Including Biogeochemical Cycles model simulations (driven by meteorological forcing projections from two Earth system models [ESMs]) into the Global Change Analysis Model, under three combinations of shared socioeconomic pathways and representative concentration pathways (SSP126, SSP370, and SSP585). Including forest carbon change decreases the projected expansion of managed forest and managed pasture, reduces the loss of unmanaged pastures and forests, and provides more cropland. The relative change in managed forest by 2100 is −4.0%, −21.7%, and −31.9%, under SSP126, SSP370, and SSP585, respectively, when forest carbon change is considered. CO2 fertilization is the dominant driver, increasing forest vegetation and soil carbon by 37% and 4.1%, and leading to 78.6% of the total area with a change in land use types by 2100 under SSP585. In comparison, climate change reduces forest vegetation and soil carbon by −3.5% and −0.8%, influencing 23.9% of the total area with a change in land use types by 2100 under SSP585, while nitrogen deposition has minor impacts. Using meteorological forcing data from two ESMs leads to similar impacts of forest carbon change on LULCC in terms of sign and trend but different magnitudes. This study highlights the large impact of forest carbon change on shaping future LULCC dynamics and the critical role of CO2 fertilization.