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System of Monitoring the Crown Condition on ICP Forests Sample Plots Level I in Serbia with a Special Wiew of Biotical Damage on Points with Oak as the Edifier, XIV International Scientific Agriculture Symposium“ AGROSYM 2023“, Jahorina, 05-08 October 2023, Bosnia and Herzegovina
Marković, Miroslava
Gagić-Serdar, Renata
Češljar, Goran
Stajić, Snežana
Momirović, Natalija
Monitoring of plant diseases and pests represents the key element of the environmental policy, without which the standards for forests and the environment cannot be applied. Data processing and reporting inevitably follow the uniform methodologies designed in accordance with international standards. The main objective of monitoring the crown condition is provision of a periodic insight into spatial and time variations of the forest condition, relative to anthropogenic and natural stress factors in the European and national systematic networks of wide-range observation. The paper demonstrates that the database in which sample plots Level I data are collected may be used in segments, which enables the search according to tree species, diseases, pests, periods, etc. The data from the base related to specific tree species and population density of major diseases and pests, as well as other types of damage of mechanical and abiotic origin (within certain periods - time series), open broad possibilities in practical application of the research. The paper presents monitoring of biotic damage agents, some of which are quite dangerous and significant, while the most common are harmful insects – 13.7% total on all deciduous trees. Among the oak species the most endangered is Sessile oak (with 31.9% damage). The damages caused by fungi rank second and are most frequently present on coniferous trees (11.0%), whereas among the deciduous species Sessile oak is once again the most endangered (6.9%). Damages caused by anthropogenic and abiotic agents – fire, frost, local pollution, etc., are far less significant.
engleski
2023
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sample plot, forest condition, biotic damage