Hi Taniya, this tool maybe usefull

http://releases.naturalcapitalproject.org/invest-userguide/latest/en/carbonstorage.html

It has good user manual about methodology and algoritm calculate the carbon storage and sequestration. But good data are necessary.

Martin

Martin Jančovič Thank you so much.

You may find that 'mature' forests sequester very little new C

Paul Milham can you provide more information regarding it?

No. It's not my field but it's a logical assumption.

I think these papers (and their references) can be helpful.

• Garbulsky, M. F., Peñuelas, J., Papale, D., & Filella, I. (2008). Remote estimation of carbon dioxide uptake by a Mediterranean forest. Global Change Biology, 14(12), 2860-2867.

• Allard, V., Ourcival, J. M., Rambal, S., Joffre, R., & Rocheteau, A. (2008). Seasonal and annual variation of carbon exchange in an evergreen Mediterranean forest in southern France. Global Change Biology, 14(4), 714-725.

• Bernal, B., Murray, L. T., & Pearson, T. R. (2018). Global carbon dioxide removal rates from forest landscape restoration activities. Carbon balance and management, 13(1), 1-13.

• Phillips, C. L., Wang, R., Mattox, C., Trammell, T. L., Young, J., & Kowalewski, A. (2023). High soil carbon sequestration rates persist several decades in turfgrass systems: A meta-analysis. Science of the Total Environment, 858, 159974.

I think the CDM(Clean Development Mechanism) Tool is the basic/standard methodology for assessing carbon stock of forests (including mangroves, etc) and estimating GHG removal in the AFOLU sector. For alternatives, VERRA/Gold Standard has their methodology too. And usually each country has preference in which method to adopt.

Here's an example of CDM Method:

https://cdm.unfccc.int/methodologies/DB/S2OMSUTOWYOMLW75MPR0CG6SAKNG4Y

Hrvoje Grofelnik Fatimah Dinan Qonitan Paul Milham Thank you so much. These would be very helpful.