Estimating defoliation in boreal coniferous forests by combining Landsat TM, aerial photographs and field data

Author: Heikkila J.   Nevalainen S.   Tokola T.  

Publisher: Elsevier

ISSN: 0378-1127

Source: Forest Ecology and Management, Vol.158, Iss.1, 2002-03, pp. : 9-23

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Abstract