361. Poročilo o preskusu št.: LVG 2022-067 : vzorec št. 2022/00254 : namen testiranja: sum na: Fusarium circinatumBarbara Piškur, Maarten De Groot, Zina Devetak, Maša Zagorac, Nikica Ogris, 2022, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, bor, borov smolasti rak, Fusarium circinatum
Published in DiRROS: 26.07.2022; Views: 611; Downloads: 0 |
362. Poročilo o preskusu št.: LVG 2022-065 : vzorec št. 2022/00189 : namen testiranja: sum na: Fusarium circinatumBarbara Piškur, Maarten De Groot, Špela Jagodic, Zina Devetak, Maša Zagorac, Nikica Ogris, 2022, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, bor, borov smolasti rak, Fusarium circinatum
Published in DiRROS: 26.07.2022; Views: 486; Downloads: 0 |
363. Poročilo o preskusu št.: LVG 2022-064 : vzorec št. 2022/00107 : namen testiranja: sum na: Fusarium circinatumBarbara Piškur, Andreja Kavčič, Zina Devetak, Maša Zagorac, Nikica Ogris, 2022, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, bor, borov smolasti rak, Fusarium circinatum
Published in DiRROS: 26.07.2022; Views: 617; Downloads: 0 |
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365. Poročilo o preskusu št.: LVG 2022-060 : vzorec št. 2022/00212 : namen testiranja: sum na: Fusarium circinatumBarbara Piškur, Zina Devetak, Ana Brglez, Špela Jagodic, Maša Zagorac, Nikica Ogris, 2022, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, rdeči bor, Pinus sylvestris, borov smolasti rak, Fusarium circinatum, rakasta razjeda, smola
Published in DiRROS: 25.07.2022; Views: 633; Downloads: 0 |
366. Poročilo o preskusu št.: LVG 2022-057 : vzorec št. 2022/00250 : namen testiranja: sum na: Fusarium circinatumNikica Ogris, Špela Jagodic, Zina Devetak, Barbara Piškur, 2022, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, zeleni bor, Pinus strobus, borov smolasti rak, Fusarium circinatum, Diplodia pinea, sušica najmlajših borovih poganjkov, bolezni rastlin, nekroze v skorji
Published in DiRROS: 25.07.2022; Views: 594; Downloads: 0 |
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368. Genetic variability of pedunculate oak (Quercus robur L.) at the Mediterranean margin of the distribution rangeMirzeta Memišević Hodžić, Barbara Fussi, Dušan Gömöry, Dalibor Ballian, 2021, review article Abstract: In Bosnia and Herzegovina, pedunculate oak (Quercus robur L.) occurs at the southern margin of its distribution range, close to the glacial refugia of this species. To assess the patterns of genetic diversity distribution at the rear edge of the Holocene colonization, we studied genetic variation in 20 pedunculate oak populations using 14 allozyme loci. Despite considerable differences among populations, neither the numbers of alleles nor genetic diversity showed any geographical trend within the studied area, although small isolated populations showed generally lower allelic richness. The Bayesian analysis of population structure indicated a kind of geographical pattern. We identified no signs of a recent bottleneck. The proximity to multiple glacial refugia explains the outcomes.
Keywords: pedunculate oak, allozyme, genetic variability, marginal populations, rear edge
Published in DiRROS: 22.07.2022; Views: 630; Downloads: 308
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369. Investigating peatland stratigraphy and development of the Šijec bog (Slovenia) using near-surface geophysical methodsValentina Pezdir, Teja Čeru, Barbara Horn, Mateja Gosar, 2021, original scientific article Abstract: Owing to their anoxic environment, peatlands play an important role in the preservation of records documenting past atmospheric depositions. To determine past records, data on peat stratigraphy and bog development are needed. Ground penetrating radar (GPR) was used to determine the peat thickness and morphology of the Šijec bog on the Pokljuka plateau in Slovenia, which will serve as a basis for further geochemical studies. Information on the stratigraphy below the peat/clay boundary was acquired by applying electrical resistivity tomography (ERT). The GPR results reveal four depressions within the peat bog, which are separated by elevated ridges. Within the depressions the peat reaches a depth of 6–9 m. The edges of the bog are flat, with peat thickness ranging from 2 to 4 m. The reach of the GPR was complemented with manual peat probing. A comparison of the depths obtained using GPR and the peat probe reveals that the results of both methods correspond well in most locations. The ERT indicated similar peat depths; peat responds with high electrical resistivity. In contrast, clayey sediments with low resistivity are found below the peat. The peat depressions are underlain with larger clayey depressions reaching more than 20 m in thickness and represent lake sediments. The complementary geophysical methods proved to be an efficient approach with which we can delineate the peat morphology and the underlying stratigraphy. Both indicate bog formation from a lake with four deeper depressions, that are separated by glacial deposits. The results presented here show the potential for geophysical methods to infer formational processes in peatlands, showing the presence of a series of isolated basins that later coalesced into a single peat landform. This interpretation is consistent with previous conceptual models from studies in boreal regions.
Keywords: peatland, ground penetrating radar, electrical resistivity tomography, peat probing, peat thickness
Published in DiRROS: 07.07.2022; Views: 705; Downloads: 440
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370. Delovni sklop 1.3 Pomen bolezni in škodljivcev GRM na poslovno uspešnost semenarn in drevesnic : Aktivnost 1.3.2 Problemi pri obnovi gozdov s sadnjo in setvijo ter vpliv bolezni in škodljivcev na izpad prihodka slovenskih semenarjev in drevesničarjevAndreja Kavčič, Hojka Kraigher, Gregor Božič, Barbara Piškur, Nikica Ogris, 2022, treatise, preliminary study, study Keywords: domači projekti, gozdno semenarstvo in drevesničarstvo, bolezni, škodljivci, problemi, poslovna uspešnost
Published in DiRROS: 04.07.2022; Views: 679; Downloads: 256
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