Space monitoring of the environment – an effective mechanism of forest protection - V. I. Lialko; H. M. Zholobak; Ya. Khodorovskyi; O. A. Apostolov; O. M. Sybirtseva; L. O. Yelistratova; I. F. Romanchuk; Ye. M. Dorofei (Ukrainian journal of remote sensing, 2019)