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. 2022 Dec 14;13:1048582. doi: 10.3389/fpls.2022.1048582

Figure 1.

Figure 1

The sampling for chlorophyll fluorescence measurement at the Bialowieza forest (2013) for the FunDiv EUROPE project, photo: F. Bussotti (A). The various available portable fluorometers to be used in forestry and other scientific disciplines, photo: H.M. Kalaji (B).