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ŠUMARSKI LIST 13/2011 str. 283     <-- 283 -->        PDF

M. Benko, I. Balenović: PROŠLOST, SADAŠNJOST I BUDUĆNOST PRIMJENE METODADALJINSKIH ... Šumarski list – Posebni broj (2011), 272-281

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SUMMARY: Making correct decision in forest management is based on the quality of
the collected information. Collection information from forests is the main task of the forest
inventory. Due to the rapid development of technology, in the second half of the 20th
century, there have been major changes in the way of data collection, particularly in developed
countries. In addition to conventional terrestrial methods of data collection,
data on forests is increasingly being collected with remote sensing methods. Using remote
sensing methods leads to reducing the scope of the fieldwork, and opens the possibility
of saving time and money.

In this paper was given the review of previous research and results of application of
remote sensing methods in Croatian forest inventory.

Previous researches presented in this paper will give insight into the current status
and role of remote sensing in Croatian forest inventory, and along with some new findings
may serve as guidelines for future research and application of new methods of remote
sensing in forest inventory.

Various researches about applicability of remote sensing methods in forest inventory
operations, primarily on aerial photographs and more recently on satellite images, were
conducted in Croatia in the last 30 and more years.

In all previous studies of forest damage assessments with photointerpretation on CIR
aerial photographs it was proved that this method is to be equally in comparison with
terrestrial methods regarding to accuracy, and much more efficient regarding to achieved
speed and objectivity. Methodology suitable for operational use in inventory of forest
damage was made. Periodic inventories of forest health with using remote sensing methods
enable easy monitoring of changes of forest between two inventories, identification
of new foci of dying trees or other damage, which is especially important in today’s changed
and altered environmental conditions.

Forest management inventory requires information of greater accuracy. Therefore,
aerial photographs of higher spatial resolution have more important applications in relation
to satellite imagery in forest management inventory. Some researches of using aerial
photographs for photogrammetric measurements of stands parameters shown in this
paper gave good results.

Despite the above, the application of remote sensing methods in practical forest inventory
has not been sufficiently utilized. Development of digital photogrammetry and
‘new’ remote sensing methods and systems such as lidar, and improving existing ones, increasing
the possibilities and scope of remote sensing methods. Therefore is necessary to
continuously monitor the latest developments and explore new additional possibility of
their application in forest inventory.

Key words: remote sensing, forest inventory, aerial photographs, satellite imagery,
digital photogrammetry, LiDAR