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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Int J Appl Earth Obs Geoinf. 2017 Aug;60:49–60. doi: 10.1016/j.jag.2017.04.004

Fig. 2.

Fig. 2

Temporal distribution of studies on the remote sensing of insect disturbances by insect types. Insect types include bark beetles (BB), broadleaved defoliators (DB), coniferous defoliators (DC), and others.