broj: 9-10/2023
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| RIJEČ UREDNIŠTVA | ||
| Uredništvo | ||
| Should there be concern over the future of human resources in forestry? pdf HR EN | 415 | |
| IZVORNI ZNANSTVENI ČLANCI | ||
| Marija Pandža, Milenko Milović, Vesna Krpina, Damira Tafra | UDK 630*182 (001) https://doi.org/10.31298/sl.147.9-10.1 | |
| The flora of the island of Rivanj and the vegetation of the macchia and forest of Rivanj and the Sestrice islets pdf HR EN | 417 | |
| Dževada Sokolović, Zerina Dupovac, Amina Karišik, Jelena Knežević, Velid Halilović, Jusuf Musić | UDK 630* 383 (001) https://doi.org/10.31298/sl.147.9-10.2 | |
| Damage on forest roads as a result of improper construction pdf HR EN | 433 | |
| Vojislav Dukić, Srđan Bilić, Danijela Petrović, Goran Jović | UDK 630*810 (001) https://doi.org/10.31298/sl.147.9-10.3 | |
| Applicability of different regression models for estimation of merchantable wood volume of sessile oak (Quercus petraea (Matt.) Liebl.) in Bosnia and Herzegovina pdf HR EN | 445 | |
| Summary In Bosnia and Herzegovina, there are tariff tables used for estimating the volume of sessile oak trees in high forests, which were created on the basis of two-entry volume tables for oak trees from the area of Germany, authored by Schwappach in 1905. There are indications that the application of the aforementioned tariffs in forest management practice results in certain differences in the estimated amount of merchantable wood volume compared to the real situation. The material for creation of volume tables was the data concerning the measurement of 2,413 model trees in different habitat and stand conditions. A large number of widely used regression models was tested to equalize the volume of merchantable wood volume as a dependent variable in terms of the diameter at breast height and height of the tree as independent variables. Regression models such as Schumacher-Hall and Spurr II provide satisfactory accuracy, that is, they can be used to estimate the merchantable wood volume of sessile oak trees in high forests (pure and mixed) in the territory of Bosnia and Herzegovina, with a permissible deviation. By introducing the third variable into the model, diameter at seven meters height, the accuracy of the tree volume estimation increases significantly, but due to the significant increase in the volume of work on collecting the necessary data, this model is not suitable for use in forest inventories. Key words: sessile oak; Smalian’s formula; merchantable wood volume; regression model; nonlinear regression | ||
| Milan Drekić, Branislav Kovačević, Leopold Poljaković-Pajnik, Andrej Pilipović, Marina Milović, Vid Rađević | UDK 630*453 (001) https://doi.org/10.31298/sl.147.9-10.4 | |
| Impact of oak lace bug Corythucha arcuata on the height of pedunculate oak plants depending on the way of regeneration pdf HR EN | 457 | |
| PREGLEDNI ČLANCI | ||
| Maja Cvek, Doris Šegota, Kaća Piletić, Gabrijela Begić, Maša Knežević, Dijana Tomić Linšak, Marina Šantić | UDK 630*145.7 https://doi.org/10.31298/sl.147.9-10.5 | |
| Mosquitoes in Croatia, transmitting diseases, ways of prevention and control pdf HR EN | 465 | |
| Stanimir Živanović | UDK 630* 431 https://doi.org/10.31298/sl.147.9-10.6 | |
| Determining the fire season by analyzing climatic conditions in northeastern Serbia pdf HR EN | 477 | |