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Past, Present and Future of Application of Remote Sensing Methods in Croatian Forest Inventory

Miroslav Benko ; Hrvatski šumarski institut Jastrebarsko
Ivan Balenović ; Hrvatski šumarski institut Jastrebarsko

Puni tekst: hrvatski pdf 343 Kb

str. 272-281

preuzimanja: 1.559



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.

Ključne riječi

remote sensing; forest inventory; aerial photographs; satellite imagery; digital photogrammetry; LIDAR

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Podaci na drugim jezicima: hrvatski

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