@article{fdi:010074010, title = {{U}ncertainty in establishing forest reference levels and predicting future forest-based carbon stocks for {REDD}}, author = {{M}ertz, {O}. and {G}rogan, {K}. and {P}flugmacher, {D}. and {L}estrelin, {G}. and {C}astella, {J}ean-{C}hristophe and {V}ongyisouk, {T}. and {H}ett, {C}. and {F}ensholt, {R}. and {S}un, {Z}. {L}. and {B}erry, {N}. and {M}uller, {D}.}, editor = {}, language = {{ENG}}, abstract = {{F}orest reference levels ({FRL}s) provide a benchmark for assessing reduced emissions from deforestation and forest degradation ({REDD}+), and they are central to demonstrate additionality of {REDD}+. {A}ttaining realistic {FRL}s, however, is challenging, especially in complex mosaic landscapes. {W}e established {FRL}s in northern {L}aos for different reference periods and tested them against actual carbon stock changes. {A}nnual time series of {L}andsat satellite images were used to capture the subtle changes in carbon stocks in complex landscapes characterized by shifting cultivation. {W}e found that {FRL}s differ considerably depending on the reference period chosen. {A}brupt land-use changes occurred when hybrid maize replaced traditional shifting cultivation and forests, and this invalidated carbon stock trends that would have been predicted had the {FRL} been projected into the future. {W}e conclude that demonstrating additionality of {REDD}+ in fast developing areas is difficult and that payment systems rewarding potential emission reductions against hypothetical extrapolation of {FRL}s are unlikely to be a cost-effective strategy.}, keywords = {{C}arbon emissions ; {C}limate change ; {D}eforestation ; {F}orest reference levels ; {L}and use change ; {REDD} ; {LAOS}}, booktitle = {}, journal = {{J}ournal of {L}and {U}se {S}cience}, volume = {13}, numero = {1-2}, pages = {1--15}, ISSN = {1747-423{X}}, year = {2018}, DOI = {10.1080/1747423x.2017.1410242}, URL = {https://www.documentation.ird.fr/hor/fdi:010074010}, }