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Wyświetlanie 1-15 z 35
Tytuł:
Acidity and buffering properties of selected soil types of the Lasy Janowskie Landscape Park
Autorzy:
Chodorowski, J
Debicki, R.
Smalej, M.
Powiązania:
https://bibliotekanauki.pl/articles/1450235.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
peat soil
soil environment
gley soil
Lasy Janowskie Landscape Park
soil type
soil
protection
plant cover
buffer property
terrestrial ecosystem
Opis:
The aim of this study was to analyse the acidity and buffer abilities of selected soils occurring within terrestrial (forest, arable and meadow) ecosystems, under specific form of protection within the Lasy Janowskie Landscape Park. The results of the study indicate that the very acid and acid reaction of the soil environment is the result of natural processes, such as relations between mother rock and plant cover (low pH, high value of hydrolytic and exchangeable acidity, and high content of mobile aluminum), and low degree of saturation of the sorption complex with bases. The greatest buffering abilities showed typic gley soil (Dystric Gleysol), peat soil (Terric Histosol), and accumulation horizons of other soil types.
Źródło:
Acta Agrophysica; 2001, 50; 59-70
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alterations of some chemical and physico-chemical properties of selected soils in field ecosystems
Autorzy:
Laskowski, S
Toloczko, W.
Powiązania:
https://bibliotekanauki.pl/articles/1450264.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil chemistry
physicochemical property
chemical property
soil
soil salinity
geoecology
organic carbon
terrestrial ecosystem
macroelement
arable soil
Opis:
The research was conducted in 1991-1997 on the soils from arable fields situated near Łódź. To the detailed research there were stated four soil profiles which were different as regards their grain composition (two sand and two silt soils, all shallow) and typology (two profiles of brown leached soils, one pseudopodzolic-gley soil and one fallow glossic grey-brown podzolic soil). Qualification of the directions of the alterations in the content of organic carbon and basic macroelements (P, K, Mg) in soil and hesitation of reaction, hydrolytic acidity and content of the exchangeable basic cations in the soil sorptive complex were the main target of our research. The result of the 7-year-long research showed that different changes took place in the features of the examined soils. However, the exact assignment of the direction of these alteractions is extremely complex and does not warrant getting a satisfying answer. It is the result of taking various agriculture actions which are necessary to the appropriate maintenance of the ecosystems.
Źródło:
Acta Agrophysica; 2001, 50; 177-188
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cation exchange capacity of clay rich soils in relation to mineralogical composition and organic matter content
Autorzy:
Dabkowska-Naskret, H
Jaworska, H.
Kobierski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1450278.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
organic matter
capacity
clay rich soil
mineralogical composition
aluminium oxide
soil component
clay fraction
manganese oxide
soil
cation exchange
whole soil
free iron
terrestrial ecosystem
Opis:
Contribution of clay mineral phase (<2 um) and organic matter to the cation exchange capacity (CEC) of two clayey soils (gleyic black earths from Gniew) was investigated. The XRD analysis showed dominance of illite and mixed laver illite/smectite as well as the presence of smectite, chlorite and trace of kaolinite in the clay fraction of studied soils. CEC of the soils ranged between 22.08-32.64 cmol(+)/kg. After removal of organic matter with 30% H2O2, CEC the above values decreased significantly. However, the CEC of organic and inorganic components is not an additive. This may be explained by the formation of organo-mineral complexes, which might lower the CEC of the soil as a whole.
Źródło:
Acta Agrophysica; 2001, 50; 113-118
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the microbiological activity of hydrogenic soils after drainage
Autorzy:
Chmielewski, K
Powiązania:
https://bibliotekanauki.pl/articles/1450306.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
hydrogenic soil
Polska
microbial activity
peatland
peat mineralization
moisture content
fungi
mucking
cellulolytic microflora
soil
microorganism
terrestrial ecosystem
dehydrogenase activity
soil moisture
natural peat
drainage
Opis:
Quantity of some groups of microorganisms and dehydrogenase activity were determined in the top soil layer (0-10 cm) of natural and drained peatland. High soil moisture (85 to 90%) in the natural peatland accounted for the reduction of fungi and cellulolytic microorganisms which can reflect a restricted process of peat mineralization. In late summer (September), peat-muck soils of drained meadows supported rather high numbers of cellulolytic microflora except for the Modzelówka peatland that was highly decomposed. In the alaer peat with high degree of mucking and low moisture content (55-63%) fungi were abundant. Dehydrogenase activity was the highest (153 to 181 ul H2 g-1) in natural peats with high moisture content (80-89%) and the lowest (5-13 ul H2 g-1) in alder peats with high degree of mucking. Thus, moisture and degree of peat mucking affect development of microorganisms and dehydrogenase activity causing more or less intense mineralization of organic matter.
Źródło:
Acta Agrophysica; 2001, 50; 49-57
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of humic substances in humid subalpine forest soils in Central Taiwan
Autorzy:
Chen, J S
Chiu, C.Y.
Powiązania:
https://bibliotekanauki.pl/articles/1450325.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
subalpine forest
temperature
humic acid
humification
humic substance
soil
Taiwan
ecosystem
forest soil
terrestrial ecosystem
fulvic acid
Opis:
The study site, 2700 m a.s.l., is located in the central Taiwan. A globally rare combination of the mean temperature (ca. 9.5 °C) and total annual precipitation (ca. 4100 mm) makes studies on pedogenic and edaphic processes of the moist soils in this area worthwhile. The study was undertaken to investigate distribution and characteristics of humic substances in this subalpine forest ecosystem. Fulvic acids comprised a higher total organic carbon fraction (1.8 to 25%) than humic acids (1.1 to 13.4%). Fulvic acids were more mobile and migrated downwards to deeper horizons. Comparatively, humic acids were distributed more in the surface horizons. The hu- mification index, based on E4/E6, showed that humification varied in different horizons even in the same profile. The AlogK and RF values indicate that the types of humic acids extracted from Tsuga forest soil are grouped as P or A types, whereas Rp or B types are in Picea forest soil, suggesting a high degree of humification of humic acids in such soils. Features of the absorption spectra were consistent with the classification of humic acids with A logK and RF values. Humification indices and humic acid types in these subalpine soils indicate that they are similar to acidic soils elsewhere with abundant rainfall and cold climate.
Źródło:
Acta Agrophysica; 2001, 50; 41-47
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of the meadow hydrogenic soils in Przedmoscie against the background of forming plant communities
Autorzy:
Bogacz, A
Grosdzinska, D.
Chachula, K.
Kasowska, D.
Powiązania:
https://bibliotekanauki.pl/articles/1450407.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
organic matter
physicochemical property
physical property
hydrogenic soil
chemical property
plant community
soil
meadow soil
soil property
melioration
terrestrial ecosystem
Opis:
The aim of this work was to compile characteristics of some selected physical, physico-chemical and chemical properties of the reclaimed hydrogenic soils in the meadow part of the Przedmoście bog in the context of new forming plant communities. Melioration work conducted in this area before the Second World War ended peat accumulation processes. Consequently, drying peat began to disintegrate and mineralise. Analyses of floral lists proved that the existing vegetation replaced the original bog plant communities, which flourished in this area in the past. Descriptions of profiles point to the existence of mixed formations (gyttja, peat) often containing high quantities of CaCO3. Peat formations present in the profiles are usually at the advanced degree of decomposition (H>7) and contain substantial quantities of ash. This high degree of ash content and bulk density results in strong compaction and muddy soil horizons. A low coefficient of C/N showed intense mineralization of organic matter in the upper soil horizons.
Źródło:
Acta Agrophysica; 2001, 50; 17-28
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemical composition of the soil material of Alfisols from the Vistulian Formation
Autorzy:
Dlugosz, J
Breza-Boruta, B.
Rozanski, S.
Powiązania:
https://bibliotekanauki.pl/articles/1450443.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
physicochemical property
Polska
fluviglacial material
soil material
soil
glacial material
chemical composition
terrestrial ecosystem
Opis:
Four pedons of Alfisols were selected from the Experimental Station Mochełek to study chemical composition of the soil material. The study area is located in the south-western border of the Krajeńska Upland, on the border of two geomorphological formations: erosion surface of floating waters (fluviglacial formation) and rolling ground moraine (glacial material). The investigated soils were classified as Typical Hapludalfs (pedon 11,21 and 26) and Typical Glossudalfs (pedon 7). Chemical composition was analysed using the following methods: fusion with Na2CO3 and dissolving in the HF and HCIO4 mixture. Results were presented in an oxide form and molar ratios (SiO2/R2O3; SiO2/Al2O3; Si02/Fe203; Al2O3/Fe203) were calculated. In the studied soils, the content of SiO2 was from 78.21 to 90.00 %. The lowest SiO2 content was found in the illuvial horizons. Otherwise the illuvial process influenced Al2O3 and Fe2CO3 distribution, the highest amounts of which were found in the illuvial horizons. TiO2 (0.15 to 0.63 %), had similar profile distribution to K2O (1.74-3.88 %) and Na20 (0.61- 1.05 %). CaO and MgO contents were the highest in the parent material, including CaCO3 (pedon 11 and 26). However, the highest amount of MnO was observed in the surface horizons (0.56-0.58 %). Chemical composition of the studied soil material indicated a large influence of the illuvial process and particle-size on the total content and profile distribution of the analysed soil. However, the evident influence of parent material from which the analysed soils were formed, was not found.
Źródło:
Acta Agrophysica; 2001, 50; 119-127
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of the soil cover in the natural Tilio-Carpinetum stachyetosum in the Bialowieza Forest
Autorzy:
Bialy, K
Powiązania:
https://bibliotekanauki.pl/articles/1450466.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Tilio-Carpinetum stachyestosum
Bialowieza Forest
soil parameter
physical parameter
biotic factor
soil cover
soil
chemical parameter
soil property
multispecies moist forest
terrestrial ecosystem
forest
Bialowieza National Park
Opis:
Natural variability of pseudogley forest soils in the Białowieża National Park was characterised on the basis of five soil exposures. Two of them were located in a water-logged site, one in a mound one in a patch with dominance of deciduous trees, and one in a spruce biogrup. It was found that pseudogley soils of a natural moist deciduous forest show additional differentiation in the form of characteristic micromosaics. There is a pronounced impact of the species structure in a treestand, uprooted trees and hoofed mammals on the properties of the soil cover. Changes resulting from the above biotic factory were observed in all the analysed physical, physico-chemical and chemical soil parameters.
Źródło:
Acta Agrophysica; 2001, 50; 7-16
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors affecting forest soil distribution and properties in the river breaks of the Roztocze Region
Autorzy:
Czarnecka, B
Janiec, B.
Powiązania:
https://bibliotekanauki.pl/articles/1450487.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
river valley
forest ecosystem
plant community
hydrological process
ground water
Jelen River
bog-alder forest
forest soil
geomorphological process
mineral soil
Sopot
organic soil
soil
Roztocze macroregion
soil property
terrestrial ecosystem
distribution
Opis:
Studies on the soils in forest ecosystems in breaks of the rivers Jeleń and Sopot were carried out in the years 1997-1998. Although the rivers differ in length, catchment area, amount of water carried and breadth of the valleys, the most important factors affecting soil formation and their spatial differentiation are similar: bedrock, relief, water drainage, natural type of water management, position of the ground water-table relative to the river water level, and chemistry of spring and soil waters. Steep slopes of the valleys covered with poor and highly acidic podzolic soils are usually overgrown with fir and pine phytocenoses, or rarely, with mixed oak-pine forests. The bottoms are often characterised by longitudinal duality of the flood-plain benches. In the drier area close to the river beds under ash-alder forests, there are more fertile gley soils and gley podzols. Poorer and more acidic localities are occupied by mixed forests with spruce. In permanently moist fragments of the benches at the foot of the slopes and in depressions with stagnant water weakly acidic peat-mud and peat soils occur overgrown with bog-alder forests. Peculiarities of these areas are low peat-bogs suspended even up to 4-6 m above the water-table of the river.
Źródło:
Acta Agrophysica; 2001, 50; 81-93
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Humus fractional composition of the selected soils in the Malopolska Province
Autorzy:
Kopec, M
Gondek, K.
Powiązania:
https://bibliotekanauki.pl/articles/1450500.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
quantitative differentiation
humic acid
physical property
chemical property
soil
biological property
humus fraction
soil component
Malopolska region
terrestrial ecosystem
fulvic acid
qualitative differentiation
Opis:
Twenty different soils were investigated. The soils varied in their acidification degree, granulometric composition and a carbon content. The investigated soils were collected from arable land, meadows and forests. Humic compounds were extracted from the soil according to the Konowowa and Bielczikova's method. Very high quantitative and qualitative differentiation\was observed. It was related to the soil type and utilisation system. Low but differentiated quantities of humic compounds extracted by 0.05 M H2SO4 were found in the samples of the analysed soils. In the extract of pyrophosphate and sodium base as well as in the extract of sodium base, there were more fulvic acids than humic acids which was reflected in the narrow Ckh:Ckf ratio, particularly in the forest soils. In addition very high proportion of non-hydrolysing carbon was observed. Its content ranged from 52 to 84%. The highest proportion of this fraction was found in the soils agriculturally utilised.
Źródło:
Acta Agrophysica; 2001, 50; 139-146
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the bog soil chemical properties on the floral composition of microcenoses in bog forests of the Stare Biele Reserve in the Knyszyn Forest
Autorzy:
Czubaszek, R
Powiązania:
https://bibliotekanauki.pl/articles/1450513.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
microstructure
Stare Biele Reserve
bog soil
floristic composition
chemical property
plant community
bog forest
soil
biotope
microtopography
terrestrial ecosystem
Knyszyn Forest
Opis:
Studies considering hummocks and hollows structure of bog forests were carried out in the Stare Biele Reserve in the Knyszyn Forest. The aim of the study was better recognition of bog forests spatial structure including recognition of soil chemical composition of hummocks and hollows. The bog forest communities in Stare Biele Reserve have various percentage of hummocks. The hummocks have similar morphological structure and are distinctly separated from hollows in all four bog forest communities. Degree of hummocks development and their morphological structure have big impact on plant distribution on their surface. Soil chemical properties are one of the factors, which influence floral abundance and composition of microcenoses. Soil reaction and calcium content, among other measured properties, exert the biggest influence on the floral abundance and composition of microcenoses.
Źródło:
Acta Agrophysica; 2001, 50; 95-104
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mutual relations between soil cover and plants in mountainous humid climatic conditions
Autorzy:
Wozniak, L
Powiązania:
https://bibliotekanauki.pl/articles/1450543.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
mountain area
meadow
vegetation
ecosystem
chemical composition
soil cover
soil-plant relation
Bieszczady Mountains
mountain meadow
soil
climate condition
terrestrial ecosystem
plant
Opis:
Specific, humid climate of mountain areas has a great influence on the properties of soils and vegetation, as well as on the mutual relations between these inseparable elements of ecosystems. Research on the interdependence between soils and natural vegetation was carried out on ' the mountain meadows of the Bieszczady National Park. In conditions of the cooler and more humid mountain climate the peculiar character of the soils lies in the presence of organic surface horizon of properties varying considerably from the properties of deeper mineral horizons. This horizon is of great importance in the protection of scarce elements. It prevents pollutants from reaching the ecosystem. It influences the soil water economy. It prevents erosion. This buffer element of the mountain soils requires special protection - in the Bieszczady Mountains the erosion of the mountain meadow soils is only noticeable where the covering vegetation and the organic surface soil horizon were destroyed, e.g. on tourist tracks. The plants of the Bieszczady mountain meadows, together with their direct product - the organic surface soil horizon, prevents the chemical erosion of the mountain meadows, reducing the leaching of many biogenous elements, e.g. calcium.
Źródło:
Acta Agrophysica; 2001, 50; 253-261
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical agricultural soil map of Poland at the scale of 1:500 000
Autorzy:
Budzynska, K
Stuczynski, T.
Zaliwski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1450546.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
natural environment
soil map
Polska
soil
numerical map
soil property
landscape architecture
terrestrial ecosystem
soil cover
Opis:
In Poland, soil cover has been identified in detail in terms of spatial variability which resulted in soil records that comprise data on soil properties put in order according to the criteria of administrative and physiographic division. These data were not available in the numerical format till quite recently which meant that their application did not fully meet present requirements of agriculture, environment and landscape conservation, modification of functions, etc. The newly created numerical soil map at the scale of 1.500 000 corrects this difficulty. The main information content of the map at the scale of 1:500 000 covers complexes of soil usefulness and soil types and subtypes. Basic characteristics such as granulometric composition, origin of the parent rock and land use attributes, i.e.: forest, grassland, arable land, waters or barren land, are also included. Apart from the soil coverage, the map contains 13 topographic coverages.
Źródło:
Acta Agrophysica; 2001, 50; 271-274
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Popularisation of soil science: its necessity and possibilities
Autorzy:
Brozek, S
Powiązania:
https://bibliotekanauki.pl/articles/1450560.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil function
soil structure
soil profile
soil monolith
soil science
environment
soil education
soil
ability
terrestrial ecosystem
Opis:
The author points to the necessity of propagating knowledge on the soil and suggests ways to do it. Firstly, he emphasises shortage of didactic aids for comprehensive teaching of soil science. He discusses this problem in comparison to other natural sciences far better known. As there are no useful teaching aids, the author draws our attention to the importance of the soil monolith, soil displays, posters and atlases. Moreover, he emphasises the role of Internet in education. Finally, he proposes to found a soil profile museum for educational purposes.
Źródło:
Acta Agrophysica; 2001, 50; 263-269
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Processes of running sands decay in the Bledow Desert during the last 30 years [Silesian Upland, South Poland]
Autorzy:
Rahmonow, O
Snieszko, Z.
Powiązania:
https://bibliotekanauki.pl/articles/1450596.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Silesian Upland
history
Polska
primary succession
fossil soil
physical geography
pine wood
Bledowska Desert
secondary succession
soil
sandy substratum
climatic parameter
terrestrial ecosystem
Opis:
The Błędów Desert is situated in the south of Poland. In this area, sand-gravel sediments predominate. The origin of the Błędów Desert is not associated with climatic conditions but with a strong development of excavation industry which started in the region in the Middle Ages. The surrounding forests became the main fuel source for the development of mining and metallurgical industry. Therefore, the area of the Błędów Desert was completely deforested. The paper presents reasons for the acceleration of biocenotical systems in the investigation area. For this purpose, transects representative for the following stages of plants successions: stage of encroachment plants, stage of sodding, stage of bushes (shrubs), stage of biogroup and stage of afforestation were made. Plant succession in the investigated transects developed in a multidirectional way. The ground for plants settling in the Błędów Desert represents fluvoiglacial, fluvial and aeolian sand with various grain sizes. Locally, in the old deflation fields, relict horizons of older podzolic and rust-coloured soil are the ground for the invading plants. The process of plant and soil succession takes place at the same time. Content of the available mineral elements in the initial horizons is different; it depends on the plant species in the places where these horizons developed.
Źródło:
Acta Agrophysica; 2001, 50; 197-205
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 35

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