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Znanstveno-stručno i staleško glasilo
Hrvatskoga šumarskoga društva
Journal of Forestry Society of Croatia
      Prvi puta izašao 1877. godine i neprekidno izlazi do današnjeg dana
   ISSN No.: 0373-1332              UDC 630* https://doi.org/10.31298/sl
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RIJEČ UREDNIŠTVA
     
Uredništvo
REPETITIO EST MATER STUDIORUM     pdf     HR     EN 225
 
IZVORNI ZNANSTVENI ČLANCI
     
Damir Ugarković, Kristina Pleša UDK 630* 114 + 228 (001)
https://doi.org/10.31298/sl.141.5-6.1
COMPARISON BETWEEN TREE DIEBACK OF PEDUNCULATE OAK AND NARROW-LEAVED ASH IN RELATION TO ECOLOGICAL CONSTITUTION OF SPECIES     pdf     HR     EN 227
Ivan Perković, Nikola Pernar, Darko Bakšić, Nikola Glamočlija, Vibor Roje UDK 630* 114 (001)
https://doi.org/10.31298/sl.141.5-6.2
THE EFFECT OF PARENT MATERIAL ON PHYSICAL AND MINERAL SOIL PROPERTIES ON MEDVEDNICA NATURE PARK     pdf     HR     EN 237
Summary
The highly complex lithological structure as well as topographic characteristics of the Medvednica area are responsible for its profound vegetational, micro-climatic and pedophysiographic diversity. In view of the quality of the original soil-forming material, the first place is taken by rocks and their detritus which directly govern soil physical composition. The best indicators of soil physical composition are its depth, colour, skeletal nature, particle size distribution, soil density, density of soil solid phase, total porosity, water capacity, air capacity, structure and hydraulic properties. On Medvednica, these vary greatly and play the main role in defining soil quality. The success of ecosystem management depends on the knowledge of the above factors. The goal of this research is to determine how the lithological base, or parent material, primarily affects physical (horizon thickness, profile depth, skelet proportion, soil texture, soil structure) and mineral soil properties.
A total of 80 pedological profiles were opened in the Medvednica Nature Park area and evenly distributed so as to comprise all the representative lithological units. Samples of physically altered soils were taken from genetic horizons, as well as a fragment of rock, i.e. parent material, for the purpose of determining the lithological rock affiliation. Soil samples has been analayzed in the humus-accumulative (A horizon) and first under mineral horizon (mostly B horizon). The differences between the topsoil humus-accumulative and B horizon were statistically analyzed per lithological units. The samples were prepared (ISO 11464 2006) and analyzed in the laboratories of the Faculty of Forestry of the University of Zagreb and at the Croatian
Geological Institute in Zagreb. According to FAO (2006), the following was determined in situ: the proportion of skelet per genetic horizon, horizon thicknesses and total profile depth. Laboratory analyses of the samples taken from genetic horizons included the particle size distribution according to ISO 11277:2009, stability of structural microaggregates according to Pernar et al. (2013) and mineral soil composition (XRD) using the X-ray diffraction method on X-ray diffractrometer X’Pert PRO MPD.
For the needs of statistical analysis, parent material was divided into six characteristic units, leaning in part on the classification of Halamić et al. (2001) used during geochemical research of stream sediments on Medvednica. The lithological unit LIT1 is represented by metamorphic rocks, predominantly greenschists, muscovite chlorite and quartz-muscovite schists. The lithological unit LIT2 is represented by metamorphic rocks, predominantly phyllites. The lithological unit LIT3 consists of igneous rocks, predominantly diabases and spilites. The lithological unit LIT4 are Mesozoic clastic rocks of Lower Cretaceous age, and comprise sandstones, siltites and shales. The lithological unit LIT5 consists of Mesozoic and Tertiary clastic rocks dominantly represented by marls. LIT6 is made up of Tertiary carbonate rocks represented by lithotamnic limestones together with clay limestones (Figure 1).
Statistical analysis was performed with Statistica 7 software. Descriptive statistics was made for all the analyzed variables, including the number of samples, arithmetic means and standard deviation. Differences between the analyzed variables by lithological units were tested with a one-way analysis of variance (ANOVA), on condition that the assumption of homogeneity of variance was satisfied. For those variables in which the test of homogeneity of variance was not satisfied, the Kruskal-Wallis non-parametric test was used. Type I error (a) of 5 % was considered statistically significant.
The following soil types were identified in the opened pedological profiles: dystric cambisol, eutric cambisol, calcaric cambisol, stagnosol, regosol and luvisol (the percentage ratio by representation is 62 % – 19 % – 10 % – 4 % – 3 % – 2 %).
Based on the comparison of soils formed in six different lithological units, it can be concluded that physical and mineral soil properties depending on type of litological units. Silty to clay loam is the most represented textural class in Medvednica Nature Park. It was found on metamorphic rocks above greenschist and phyllite, igneous rocks, sandstones and marls, whereas on easily weathered limestones the textural class ranges from silty clay to clay. The analysis of particle size distribution (content of individual fractions) showed that the profiles developed on silicate lithological parent material have on average higher sand content compared to the profiles developed on carbonate rocks, which is conditioned by the manner of parent rock weathering. Higher clay content above easily weathered limestones eventually led to variability of the textural class in relation to other lithological units. In all the investigated lithological units in terms of structural microaggregate stability, the soils in Medvednica Nature Park manifest highly stable microaggregates. In relation to the B-horizon, the humus-accumulative horizon revealed higher stability of structural microaggregates, which can be attributed to higher content of organic matter in the topsoil horizon. The soils above igneous and metamorphic rocks have significantly lower content of the mineral quartz and higher content of the minerals chlorite and feldspar in relation to the soil above sedimentary rocks. There was no difference in muscovite/illite contents in lithological substrates. Soil was the deepest above marl rocks and the shallowest above dolomitised limestones, which is primarily conditioned by the manner of parent material weathering.
Our research highlights all the complexity and heterogeneity of the geological-lithological structure of Medvednica. In combination with other pedogenetic factors, it manifests even higher soil heterogeneity, which eventually causes problems in the processing and interpretation of the results.
This research provides reference data on physical and mineral properties of soils in Medvednica Nature Park in the most represented lithological units. However, these data should be taken with caution and should be compared with the results of other similar studies, since the same lithological parent material may give rise to the formation of soils of different taxonomic affiliation, depending on the changes in the constellation of other pedogenetic factors (climate, vegetation, relief).

Key words: parent material; lithological unit; physical and mineral soil properties; Medvednica Nature Park
Nera Bakšić, Darko Bakšić UDK 630* 262+114.2 (001)
https://doi.org/10.31298/sl.141.5-6.3
FOREST FLOOR FUEL LOADS AND CARBON STOCKS IN ALEPPO PINE FORESTS ON ISLAND OF MLJET     pdf     HR     EN 247
Zeynep Yavuz, Mustafa Yilmaz UDK 630 + 232.3 (001)
https://doi.org/10.31298/sl.141.5-6.4
SEED DORMANCY AND CONE AND SEED MORPHOLOGY OF SYRIAN JUNIPER (Juniperus drupacea Labill.) IN THE EASTERN MEDITERRANEAN REGION OF TURKEY     pdf     HR     EN 257
 
PRETHODNO PRIOPĆENJE
     
Ivica Tikvić, Damir Ugarković, Željko Zečić, Patrik Korijan, Davor Gašpar UDK 630* 89
https://doi.org/10.31298/sl.141.5-6.5
Truffles in Croatia: natural distribution and ecological problems     pdf     HR     EN 263
Nediljko Landeka, Martina Podnar UDK 630* 453
https://doi.org/10.31298/sl.141.5-6.6
RECORD OF ALIEN Cinara (Cinara) cedri, (HEMIPTERA; APHIDIDAE) IN ISTRIA, CROATIA     pdf     HR     EN 271
 
PREGLEDNI ČLANCI
     
Tikvić, Ugarković, Peles, Knežić, Medunić-Orlić, Marinić, Butorac, Čmrlec, Koharević, Nazlić, Pavlinović, Špika, Tomić UDK 630* 272 + 901
https://doi.org/10.31298/sl.141.5-6.7
ASSESSMENT OF FOREST ECOSYSTEM SERVICES AND NON-MARKET FOREST FUNCTIONS IN PARK FOREST MARJAN SPLIT     pdf     HR     EN 277

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