DETECTION OF FOREST DECLINE IN RUSSIAN FAR EASTERN 
Norihisa Kamibayashi 
Remote Sensing Technology Center of Japan 
Roppongi First Bldg., 8F 1-9-9 Roppongi, Minato-ku, Tokyo 106, Japan 
Commission VI, Working Group 5 
KEY WORD: Boreal Forest, Forest Decline, LANDSAT/MSS, Russian Far Eastern 
ABSTRACT 
Recently, forest decline was observed in boreal forest of Russian Far Eastern, especially around Peya river in 
Primorsky region. But, the reason of this forest decline is not understood clearly. Using satellite images, 
LANDSAT/MSS images, we detected forest decline area and changes of forest decline. And we guessed the 
reason of forest decline. LANDSAT/MSS images were observed in 1983, 1986, 1989, 1991. In this detection, 
we understood that forest decline area increased constantly. This result suggest that forest decline was caused by 
N 
A N50* 
9 
monitoring in boreal forest regions in the future. This 3 N45* 
paper provides a report on one of the cases studied. : / 
L] 
2. STUDY AREA Viadivostok 0 
t 
Study area, plateau of the upper basin of the Peya 
; E135° E140° 
not only dry stress but also other reason. 
1. INTRODUCTION 
In boreal forest regions, many forests have 
disappeared or have been damaged due to forest fires, 
deforestation and forest decline resulting from 
unknown reasons. Many things have yet to be clarified 
with regard to the history and present status of these 
changes, and there is a lack of information that can be 
   
used for future forest management. The author is 
STUDY AREA 
     
  
currently conducting a case study research as a 
  
preparation for studying ways to utilize satellite data 
for resource management and environmental USSURI. R 
  
  
Fig. 1 Study Area 
Intemational Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 719