broj: 1-2/2015
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| RIJEČ UREDNIŠTVA | ||
| Uredništvo | ||
| DISORIENTATION IN PRIVATE FOREST MANAGEMENT pdf HR EN | 5 | |
| IZVORNI ZNANSTVENI ČLANCI | ||
| Darko Bakšić, Nikola Pernar, Ivan Perković, Boris Vrbek, Vibor Roje | UDK 630*114.2 (001) | |
| DISTRIBUTION OF ALKALI EARTH METALS AND ALKALI METALS (Ca, Mg, K, Na) IN THE FOREST SOIL OF MEDVEDNICA NATURE PARK pdf HR EN | 7 | |
| Vinko Paulić, Damir Drvodelić, Stjepan Mikac, Goran Gregurović, Milan Oršanić | UDK 630* 271 + 174 (Aesculus hippocastanum L.)(001) | |
| ARBORICULTURAL AND DENDROECOLOGICAL ANALYSIS OF THE CONDITION OF HORSE CHESTNUT (Aesculus hippocastanum L.) TREES IN THE TOWN OF VELIKA GORICA pdf HR EN | 21 | |
| Summary The paper analyses vitality, health condition, mechanical stability and growth of horse chestnut trees (Aesculus hippocastanum L.) which represent one of the traditional urban green landmarks in the town of Velika Gorica. Following the Visual Tree Assessment protocol biological (vitality) and structural (static) condition of young and old horse chestnut trees was acquired. Vitality assessment was done according to scale 1 – 5 and Roloff model (0–3). Correlation analyses of climatic conditions (temperature and precipitation) and tree index chronology was conducted via DENDROCLIM software. Researched young trees of horse chestnut had similar dendrometrical variables (breast height diameter, tree height, crown radius, tree distance), while old trees showed difference in respect to location which was conditioned by different age of trees, crown topping and site conditions. Tree breast height diameters are statistically different when three research locations are compared. Younger trees growing in park manifested significantly higher vitality compared with those trees growing in tree alley which is explained by better general growing conditions. Best tree vitality was measured in old trees growing in park while the opposite side of the scale was represented in tree alley along the railway station, while best vitality according to Roloff model was measured in tree lane in Zagrebačka street and on the opposite side of the scale was represented by trees growing in park. According to the assessed symptoms and tree defects younger trees growing in park had smaller percent share in respect to younger trees growing in tree alley in Zagrebačka street. Highest percent share of given symptoms and tree defects at old horse chestnuts trees was assessed in Zagrebačka street and near the railway station while smaller percent share was recorded in park. Visual tree assessment with resistography revealed two of older trees which need to be removed due to their mechanical breakdown resulting with heightened risk on humans and property. Dendrochronological analysis revealed sensibility in radial increment of measured trees (0.08–8.17 mm). Significant positive correlation of radial increment with average spring precipitation and limiting effect of maximum spring air temperatures was determined. Key words: arboriculture; vitality; static state of tree; horse chestnut; dendroecology; Visual Tree Assessment – VTA | ||
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| Peter Boyadzhiev, Mirza Dautbasic, Osman Mujezinovic, Plamen Mirchev, Georgi Georgiev, Margarita Georgieva | UDK 630* 442 (001) | |
| Baryscapus transversalis Graham (Hymenoptera: Eulophidae) – A NEW SPECIES FOR THE FAUNA OF BOSNIA AND HERZEGOVINA pdf HR EN | 69 | |