The characteristics of podzolised and typical acid brown soils were studied in beech forests in Management Unit “Lomnička Reka“ on Veliki Jastrebac. Also, their production potential was evaluated based on their physico-chemical properties. As productivity is a realised value of the soil fertility, realized through the yield and increment, the site productive capacity was evaluated based on mean maximal heights. The correlation analysis shows the extent to which the characteristics of podzolised and typical acid brown soils affect the mean maximal heights
The results of typological studies and typological classification of beech-fir forests on Mt. Veliki Jastrebac, Serbia are presented. From the typological aspect, the forests are quite homogeneous, i.e. there are two types of forests: fir and beech (Abieti-Fagetum moesiacae montanum typicum) on deep acid brown soils on granodiorites; and beech and fir with fescue grass (Abieti-Fagetum moesiacae montanum drymetosum) on medium deep (often skeletal) acid brown soils on granodiorites. By their ecology and potential productivity, these forest types are identical with types at other localities in Serbia, i.e. beech-fir forests in Serbia do not show the regional character which is mostly expressed by the differences in the potential productivity within the same type. Based on the characteristics and elements on which the management and silvicultural measures are defined, the types determined at this locality are two significantly different entities. This fact requires a different approach in practical works in the selection of silvicultural and management measures in the aim of reaching the functional optimum, so their unification is not possible
This paper is on the results of the soil and its production potential in the types of forests of sessile oaks (Quercus petraea) in the area of the National Park „Đerdap” in the community units of Zlatica, Đerdap, Štrbačko korito, Desna reka and Kožica. There are the most widely spread types of the sprout forests of the sessile oaks in the research area, deep deluvium, luvisoil, eutric cambsoils, and a great number of subtypes of acid brown soil. Considering the fact that the production potential of the defined types of soil depends on the depth, skeleton and other physical characteristics which determine acception, keeping and moving of water and this means that the production value of the studied soils is in the direct correlation with physical-geographical conditions of the environment. Taking into account that solum is well developed and the low contents of skeleton, all the studied soil in the most widely spread types of sessile oaks in the area of N.P. „Đerdap”, are very productive natural habitats. The exception is acid brown soil, which characteristics vary as well as their production potential. Apart from a good production potential of the studied soils within this paper, sessile forests in the researched areas irrationally use production potential of the habitat. In the research area in the last 20 years, the processes of devitalizing and the appearance of decaying of sessile oaks are expressed. In the sessile forests of Serbia, there are forests of the production and protection character, and the structure of the sessile forests at global level is characterized by not normal state with domination of middle aged and in great extent mature withering ingredients, what is the main cause of insufficiently used good potential of the soil
This paper presents the results of typology study and typology classification of ceno-ecological groups types of the mountain beech forest on the Veliki Jastrebac. These forests in relation to the typological background are classified into five units (types). Each of these types are characterized by a certain specificity which is expressed through ecology, cenology and production characteristics what makes the basis for a different and appropriate approach to defining objectives of silvicultural management and upbringing objectives and planning action
The study results on the typological classification of the artificially established sycamore maple and Norway maple stands included in the shelterbelt along the „Belgrade-Zagreb“ highway are presented. The environmental conditions of the sycamore and Norway maple plantation have been typologically defined in specific typological entitities at the ecological level (ecological units). In this context, the specific site conditions were characterised and defined as: a) Forest of common oak (Tilio-Quercetum crassiusculae typicum) on leached chernozem, b) Forest of common oak (Tilio-Quercetum crassiusculae typicum) on moderately deep to deep calcareous chernozem, c) Forest of common oak (Tilio-Quercetum crassiusculae typicum) on shallow to moderately deep calcareous chernozem. The inter-relationship between sycamore maple and Norway maple regarding the ecological and coenological optimum differs within the above ecological units. The diversity reflects the sycamore and Norway maple bioecology and the site typology of the particular ecological units
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