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    Tytuł:
    Charakterystyka chemiczna wód powierzchniowych zlewni Potok Dupniański w Beskidzie Śląskim
    Characterisation of surface water chemistry in the Potok Dupnianski catchment in Beskid Slaski
    Autorzy:
    Małek, S.
    Gawęda, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1019300.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wlasciwosci chemiczne
    Beskid Slaski
    zlewnia Potoku Dupnianskiego
    lasy gorskie
    wody powierzchniowe
    lesnictwo
    surface water chemistry
    forest catchment
    afforested catchment
    beskid śląski mountains
    Opis:
    This paper is a review of the studies attempting, among others, to provide answer to the question if the variation in surface water chemistry in a small afforested mountain catchment depends on site characteristics from which soil samples are collected. The characteristics considered in the paper included: setting such as elevation a.s.l., slope, soil, and surrounding stand – age, species composition, etc. The assumed variation was ascertained and described in the framework of distinguished five areas termed micro−catchments (or partial catchments). This paper also contains a brief description of the research method, results and conclusions which could be formulated as a result of the discussion and indepth analysis of obtained results.
    Źródło:
    Sylwan; 2006, 150, 02; 29-36
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charakterystyka chemiczna źródeł Potoku Dupniańskiego w Beskidzie Śląskim
    Chemical characteristics of the Potok Dupnianski springs in the Beskid Slaski Mountains
    Autorzy:
    Małek, S.
    Gawęda, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1018981.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Beskid Slaski
    sklad chemiczny
    Potok Dupnianski
    lasy gorskie
    lesnictwo
    zrodla
    Opis:
    This paper presents research results concerning chemistry of springs in the Potok Dupniański catchment area subject to the inventory carried out by the Forest Engineering Department and Forest Ecology Department at the Agricultural University in Cracow. Chemical analyses ad detailed characterisation of environmental conditions of spring position that were taken into consideration during the spring inventory in the catchment area allowed to distinguish four groups of springs. Research methods, results and conclusions resulting from the analysis of the distinguished groups and individual springs are presented in the paper.
    Źródło:
    Sylwan; 2006, 150, 03; 39-46
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Historia lasów zlewni Potoku Dupniańskiego w Beskidzie Śląskim
    Autorzy:
    Małek, S.
    Gawęda, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022937.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Beskid Slaski
    historia
    zlewnia Potoku Dupnianskiego
    stosunki wodne
    drzewostany swierkowe
    lasy gorskie
    lesnictwo
    stand history
    forest catchments
    mountain spring catchments
    Opis:
    Since 1997, the experimental Potok Dupniański catchment in the Beskid Śląski Mountains (Wisła Forest District) has been an area subjected to intensive hydrological and hydrogeochemical research aimed at improving knowledge about the ecological growth conditions of one of the most valuable Norway spruce (Picea abies (L.) Karsten) ecotype – the Istebna spruce. Environmental conditions and comparison with the stands growing in similar environments in the 18th and 19th century in the Beskid Żywiecki region, as well as historical sources have shown that Istebna spruce is not a native provenance. Thus, the analysis of the state of forest management in the past times appears an important contribution to the above−mentioned earlier research. An increase in forest resources mainly resulting from the higher share of stands in older age classes and a decline in species diversity is a characteristic feature of the studied area. It is believed that the growing share of fir and beech in forest plantations as a consequence of underplanting would improve this situation.
    Źródło:
    Sylwan; 2005, 149, 09; 51-58
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jakość wody z ujęć zlokalizowanych w terenach leśnych zarządzanych przez Nadleśnictwo Myślenice
    Quality of water from the intakes located in the forest areas managed by the Myslenice Forest District
    Autorzy:
    Małek, S.
    Jasik, M.
    Durło, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/985685.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tereny lesne
    zlewnie lesne
    ujecia wody
    jakosc wody
    Nadlesnictwo Myslenice
    water quality
    water intakes
    alimentation areas
    Opis:
    We analysed quality of water from the intakes in the Myślenice Forest District (S Poland). 8 springs were selected: 4 were located in the Natura 2000 area on the Mt. Polica and another 4 originated from the Harbutowice surroundings. Additionally water from 3 places on streams was gathered: 2 points were located in the ‘Las Gościba’ nature reserve and 1 in the water intake for the residents of Sułkowice municipality. Water samples were collected at the beginning of each month in the year 2016. The water temperature and flow rate were measured in the field. The hydrogen ion activity (pH), electrolytic conductivity (PEW) as well as the content of NH4+, Na+, K+, Ca2+, Mg2+, Cl–, NO3–, SO4 2–, PO4 3– and F– were determined with Dionex 5000 ion chromatograph. We also marked the content of P, K, Ca, Mg, Na, Fe, Zn, Mn, Cu, Cr, Cd, Ni and Pb using the ICP−OES emission spectrometer. All analyzes were carried out in the Laboratory of Geochemistry of Forest Environment and Areas Designated for Reclamation of the Forest Faculty of the University of Agriculture in Krakow. Water quality classification was made due to the tested properties in accordance with Regulation of the Minister of the Environment of 21st July 2016 on the classification of the state of surface water bodies and environmental quality standards for priority substances. The study confirmed differences in electric conductivity and the content of NH4+, SO4 2–, NO3 – due to the development of alimentation areas and the location of water collection.
    Źródło:
    Sylwan; 2019, 163, 04; 328-337
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena buka zwyczajnego w uprawach z wyższych położeń Beskidu Śląskiego i Żywieckiego
    Assessment of European beech in cultures located at higher altitudes of the Beskid Slaski and Zywiecki
    Autorzy:
    Małek, S.
    Barszcz, J.
    Kędziora, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009100.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Beskid Slaski
    Beskid Zywiecki
    drzewa lesne
    buk zwyczajny
    Fagus sylvatica
    uprawy lesne
    wysokosc nad poziomem morza
    udatnosc uprawy
    sadzonki
    wzrost roslin
    zywotnosc
    cultures
    european beech
    biometrical features
    survival
    quality
    vitality
    final silviculture assessment
    Opis:
    In autumn 2006, i.e. in the 5th year from the culture establishment, and when the tree growth had finished, on each culture we measured tree height, height increments in the years 2004−2006 and root collar diameters. We also noted the presence of the main shoot and top bud on the main shoot, size and color of the assimilative apparatus and determined the survival rate of the seedlings. The assessed and measured features allowed for determination of the seedling quality and vitality. Mean values of all features were calculated for plots and their groups, distinguished on the basis of their belonging to particular forest districts and regions as well as basing on the presence or absence of stand protection and in regard to stand disintegration. The results indicate the poor condition of parts of the cultures with beech. Generally, the quality and vitality of the seedlings was assessed to be average, with a smaller or larger tendency towards the decrease. This points towards difficulties in performing stand regeneration and in varying their composition in the higher locations of the Beskid Śląski and Żywiecki Mts., which experience extreme climatic conditions. This was observed particularly on height and quality parameters worsened along with an increase in a degree of stand disintegration. Many beech seedlings grew better on the fenced plots than on the unfenced ones, which indicates positive results of the protection of cultures against game and justifies their fencing.
    Źródło:
    Sylwan; 2010, 154, 10; 710-120
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stawonogi uszkadzające drewno w badaniach poligonowych
    Variability of chemical features of upper horizons in forest soils on the example of Dupnianski stream catchment in the Beskid Slaski Mts.
    Autorzy:
    Zwydak, M.
    Małek, S.
    Jodłowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013205.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wlasciwosci chemiczne
    Beskid Slaski
    gleby lesne
    zlewnia Potoku Dupnianskiego
    poziom mineralny
    poziom organiczny
    drzewostany swierkowe
    lesnictwo
    poziom prochniczny gleby
    zmiennosc
    mountain soils
    norawy spruce stand
    chemical features
    variavility
    Opis:
    The objective of the study was to investigate variability of chemical features of upper horizons in forest soils as well as confirmation of collecting the mixed sample that is supposed to describe the soil conditions more effectively. The lowest variability (ca 10%) was observed for pH in H2O and KCl as well as C/N ratio. The highest coefficient of variance exceeded 100% (Ca content). For almost all analysed chemical parameters, the results obtained for mixed sample (average of 5 samples systematically distributed within the study area) are in ±1 standard deviation range from the average of 25 individual samples.
    Źródło:
    Sylwan; 2008, 152, 08; 66-72
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena jakości wód źródlanych w rejonie Skrzycznego i Baraniej Góry
    Quality assessment of spring water from the area of Skrzyczne and Barania Gora mountains
    Autorzy:
    Małek, S.
    Astel, A.
    Krakowian, K.
    Opałacz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1008955.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gory
    Beskid Slaski
    Skrzyczne
    Barania Gora
    zrodla
    woda zrodlana
    jakosc
    wlasciwosci chemiczne
    odczyn wody
    przewodnosc elektrolityczna
    stezenie jonow
    warunki srodowiska
    podloze geologiczne
    gleby
    siedliska
    szata roslinna
    wysokosc nad poziomem morza
    rzezba terenu
    springs
    water quality
    beskid śląski
    snowmelt
    spruce stands
    Opis:
    The study was carried out in the year 2009 on northern, southern and western slopes of Skrzyczne and Głębczański and Roztoczański stream catchments on Barania Góra in the Beskid Śląski Mountains. Water samples were collected from springs during snowmelt (May 1st−3rd). Data set consisting of conductivity, water pH, concentrations of major anions (Cl–, NO3–, SO42–), major cations (Na+, K+, Ca2+, Mg2+) and metals (Al, Fe, Mn, Zn) was produced. Waters were then classified according to Polish standards. Water class depended strongly on chemical composition of melting snow. It was found that water from most sampling points in springs was not potable – 39 out of collected 48 samples on Skrzyczne and 51 out of 57 samples collected on Barania Góra were beyond the first class according to Polish standard from the year 2008. The main reason for that was too low pH and high NO3– concentration. Chemical composition of spring waters depended also on plant cover and local properties of drainage areas. Statistically significant difference was observed between spruce and beech stands. Springs located in beech stands characterised higher concentrations of Ca2+, Mg2+, K+, Na+, SO42–, Cl– and higher PEW and additionally on Barania Góra higher pH as well. This dependence should be considered while planning stand composition in springs neighbourhood.
    Źródło:
    Sylwan; 2010, 154, 07; 499-505
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wylesień na krótkoterminowe zmiany składu chemicznego wody w zlewni Potoku Malinowskiego (Beskid Śląski)
    Influence of deforestation on short-term changes in the chemical composition of water in the Malinowski Stream catchment (southern Poland)
    Autorzy:
    Kosmowska, A.
    Żelazny, M.
    Małek, S.
    Siwek, J.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989906.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gory
    Beskid Slaski
    wylesienia
    zlewnia Potoku Malinowskiego
    wody plynace
    sklad chemiczny
    zmiany skladu chemicznego
    streamwater chemistry
    sulfur
    nitrogen
    flood events
    deforestation
    Opis:
    The aim of the study was to determine the effect of deforestation caused by environmental pollution on the chemical composition of stream waters draining the small catchments located in the Skrzyczne massif (Beskid Śląski, southern Poland). In the 1950−60s this area was subjected to heavy anthropogenic pressure with excessive deposition of sulfur and nitrogen compounds. It resulted in the damage to the stands and deforestation of the ridge fragments of the studied area. The study was conducted in the catchment of the Malinowski Stream and its two subcatchments: forested and deforested in 2013. Waters of the studied streams characterized by low conductivity and mineralization. In the ridge subcatchments they were slightly acidic and in the main catchment – slightly alkaline. In all catchments anions were predominated by sulfates – with the largest in the deforested catchment (31% mval/L). Also nitrates had very large share in the structure of the chemical composition of water, particularly in the forested catchment (15% mval/L). Interestingly, there were low levels of bicarbonates, particularly in the ridge catchments, with their share lower than sulfates and nitrates. Cations in all streams were predominated by calcium. The structure of the chemical composition of water of the Malinowski Stream, expressed by the average share of individual ions was as follows: SO4−HCO3−NO3−Cl−F−Ca−Na−Mg−K−NH4, and in the case of streams draining small ridge catchments: – SO4−NO3−HCO3−Cl−F−Ca−Na−Mg−K−NH4. Conductivity of water decreased together with increased water levels in streams during floods. In the deforested catchment this decrease was more evident. The reaction of nitrate concentration to the increase in water level was however different, as in the stream draining the forested catchment it decreased sharply, while in the deforested catchment it decreased slightly or remained at the similar level. In the dry periods the chemical composition of waters of the examined streams were subject to far less change than during the floods, with the changes of e.g. conductivity being much higher in the stream draining the forested catchment.
    Źródło:
    Sylwan; 2015, 159, 09; 778-790
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena doświadczalnych upraw świerkowych zakładanych sposobem rot na powierzchniach po rozpadzie drzewostanów w Beskidzie Śląskim
    Assessment of experimental spruce cultures set up by the biogroup method on plots after stand disintegration in the Beskid Slaski Mountains
    Autorzy:
    Małek, S.
    Barszcz, J.
    Buława, K.
    Kożuch, E.
    Amarowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/973220.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Picea abies
    odnowienia lasu
    odnowienia w formie grupowej
    biogrupy
    leśnictwo
    Beskid Śląski
    regiel górny
    drzewa leśne
    świerk pospolity
    uprawy leśne
    żywotność
    przeżywalność
    wzrost roślin
    rozwój roślin
    cultures
    biogroup
    Norway spruce
    Beskid Śląski Mountains
    Opis:
    The aim of the present research conducted in the Beskid Śląski was to search for an appropriate, alternative to classic way to regenerate the forest at high mountain altitudes. An attempt was made, therefore, at regeneration of these areas using the group method that imitates the natural formation of spruce biogroups in the forest. It was concluded that the choice of place for planting should entail the time of snow cover disappearance as well as the differentiation of microsites, kind of protection and plant cover. The assessment performed favours the biogroup method of setting up spruce cultures in higher mountain altitudes, especially in areas close to the mountain top.
    Źródło:
    Sylwan; 2010, 154, 06; 388-396
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie Siedliskowego Indeksu Glebowego dla terenów górskich (SIGg) w ocenie jakości siedlisk zamierających drzewostanów świerkowych
    Application of the Soil Trophic Index for the mountain areas (SIGg) in the assessment of the quality of the dying spruce stands sites
    Autorzy:
    Januszek, K.
    Małek, S.
    Blońska, E.
    Barszcz, J.
    Chilarski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989830.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tereny gorskie
    drzewostany swierkowe
    zamieranie lasow
    siedliska lesne
    jakosc
    Siedliskowy Indeks Glebowy
    site quality
    mountain areas
    norway spruce
    Opis:
    In recent years, we face a massive dieback of Norway spruce stands in Poland. The cause of this process may lay in the way of their monocultural silviculture. The correct assessment of the habitat conditions and soil properties in particular is the basis of the proper management of these forest areas. The aim of this study was to verify application of the trophic soil index for mountain areas (SIGg) in the assessment of site conditions for spruce stands with different health condition. Three types of spruce stands were distinguished: degenerated, weakened and stable. In total, 32 study plots were established in following forest districts in southern Poland: Ustroń, Wisła, Bielsko, Węgierska Górka, Jeleśnia, Ujsoły and Lądek Zdrój. The SIGg was calculated on the basis of <0.02 mm fraction content, the sum of exchangeable base cations, soil acidity and the total content of N and organic C in the humus−mineral horizon. These attributes are useful to determine the potential productivity of the soils did not differentiate visibly the analyzed stand variants. The soil in degenerated and weakened spruce stands showed higher degree of acidity and less the content of base cations compared to soils of stable spruce stands. Mountain trophic soil index can be applied in the assessment of the forest sites potential. Although it does not enable to monitor the disturbances in the nutrients circulation, the detailed analysis of its components allows for precise assessment of the forest sites status.
    Źródło:
    Sylwan; 2015, 159, 05; 419-426
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie ITGL w ocenie gleb porolnych z naturalnym odnowieniem brzozy
    Application of ITGL in the assessment of post-agricultural soils with natural regeneration of silver birch
    Autorzy:
    Gawęda, T.
    Błońska, E.
    Małek, S.
    Bijak, S.
    Zasada, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985921.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gleby porolne
    metody oceny
    Indeks Trofizmu Gleb Lesnych
    odnowienia naturalne
    brzoza brodawkowata
    Betula pendula
    afforestation
    soil properties
    forest soil trophic index
    betula pendula
    Opis:
    The aim of the study was to apply the forest soil trophic index (ITGL) in the assessment of post−agricultural soil under naturally regenerated silver birch (Betula pendula Roth.) stands. The study was conducted in Mazowieckie region (central Poland) in 10 locations (tab. 1). In each location we established 4 study plots with naturally regenerated silver birch of different age. The age of the investigated stands ranged from 2 to 17 years. On each study plot samples from three upper soil horizons (0−5 cm, 5−15 cm and 15−50 cm) were collected for laboratory analysis. The following characteristics were determined in the soil samples: pH, organic carbon (C) and total nitrogen (N) content, particle size and the content of exchangeable base cations (Ca, Mg, Na and K). These soil characteristics were on used for ITGL calculation. Chemical properties of soils under silver birch regeneration varied with regard to trees age, whereas physical attributes turned to be rather stabile over the time (tab. 2). According to ITGL value investigated soils were classified as eutrophic. It is probably the effect of high base cations content, which is a result of systematic fertilization during the long term agricultural use. The insignificantly different ITGL values for the studied soils (tab. 3) indicated their similarity in terms of site productivity potential and soil−geological characteristics. The soil properties, especially the quality of soil organic matter described with C/N ratio, improved several years after the cessation of agricultural activity and spontaneous afforestation. The obtained results indicate that silver birch can be used in the stand composition on post−agricultural areas.
    Źródło:
    Sylwan; 2018, 162, 05; 396-402
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problem masowego zamierania drzewostanów świerkowych w Leśnym Kompleksie Promocyjnym "Puszcza Białowieska"
    Problem of a massive dying-off of Norway spruce stands in the 'Bialowieza Forest' Forest Promotional Complex
    Autorzy:
    Brzeziecki, B.
    Hilszczański, J.
    Kowalski, T.
    Łakomy, P.
    Małek, S.
    Miścicki, S.
    Modrzyński, J.
    Sowa, J.
    Starzyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/985913.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lesne kompleksy promocyjne
    Lesny Kompleks Promocyjny Puszcza Bialowieska
    drzewostany swierkowe
    stan sanitarny
    zagrozenia drzewostanow
    szkodniki roslin
    kornik drukarz
    Ips typographus
    dynamika populacji
    gradacja
    drewno martwe
    grzyby patogeniczne
    zagrozenie pozarowe
    zamieranie lasow
    norway spruce bark beetle infestation
    białowieża forest
    ecosystem stability
    multifunctional forestry
    natura 2000 plc200004
    natural values
    world heritage site
    Opis:
    The Białowieża Forest (BF) is in many respects an exceptional object, of a great importance for nature protection and forest management, at the international scale. The BF plays also a key role from the point of view of regional development and welfare of local community. In the last period, a big threat for multiple values of the BF has arisen, as a result of enormous bark beetle infestation, which started in 2012 and has killed 1.4 million m3 of spruce trees. In the paper, first, a brief overview of the general history of the BF and an account of long−term human impacts on its functioning and structure is provided. Next, the history of bark beetle infestations in the BF is analysed. It is shown that, in the period 1992−2007, the average volume of spruces killed by bark beetle amounted on average to 20,000 m3 of wood annually. During that period practically all dead trees were removed from the forest by means of salvation cuttings. Starting from 2008, more and more trees infested by European spruce bark beetle were left in the forest, in a result of a pressure exerted by environmental groups. In 2012, Minister of Environment decided to reduce the allowable cut, determined in forest management plans elaborated for the managed part of the BF, from 107,000 to 48,500 m3/year. This decision, along with several other regulations and restrictions, made in practice impossible to stop the development of a current bark beetle infestation, which started in 2011 and intensified during the next 6 years (solely in 2016 bark beetles killed 480,000 m3 of spruce trees). In the paper, the most important implications and consequences of the current situation are briefly summarized and discussed. A special attention is given to the problems concerning: 1) protection of Natura 2000 species and sites (endangered by bark beetle outbreak), 2) a negative influence of large amounts of spruce deadwood on forest soils, 3) threats caused by pathogenic fungi, 4) question of public safety, 5) fire hazard, and 6) economical dimension. The legal and socio−economical foundations of the functioning of Hajnówka, Browsk and Białowieża forest districts comprising the managed part of the BF, as well as their most important environmental and social consequences are discussed too. Among others, it is indicated that, under current conditions of the BF, human intervention plays a key role in maintaining stable and compositionally diverse woodland communities. Finally, several suggestions and recommendations are provided, aimed at, in the short term, breaking off the current bark beetle outbreak, and, in the long term, at maintaining a multifunctional character of the BF and its ability to provide all important ecosystem services on a sustainable basis.
    Źródło:
    Sylwan; 2018, 162, 05; 373-386
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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