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    Wyświetlanie 1-4 z 4
    Tytuł:
    Soil enzymatic activity in deteriorated forest ecosystems in the operation area of the Pulawy S.A. Nitrogen Factory
    Autorzy:
    Bielinska, E J
    Domzal, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450115.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Pulawy Forest Inspectorate
    forest ecosystem
    nitrogen work
    enzyme activity
    biological property
    forest soil
    Zyrzyn commune
    biochemical property
    soil
    Pulawy Nitrogen Factory
    operation area
    forest habitat
    soil property
    degraded ecosystem
    anthropogenic ecosystem
    environmental deterioration
    Opis:
    The present research (1998-1999) was carried out to evaluate soil enzymatic activity in the deteriorated forest ecosystems within the operation range of the Puławy S.A. Nitrogen Factory. Investigation covered podzolic soils from strong and medium forest pollution zones. Objects from the Pulawy Forest Inspectoratejwere represented, i.e. samples from the Puławy district (Inspectorate Wronów) and Żyrzyn district (Inspectorate Zagórki). The obtained results indicate high degree of soil environment deterioration in the investigated forest habitats, in the form suppressed enzymatic activity and deformation of chemical properties. A significant increase in the enzymatic soil activity with the increasing distance from the nitrogen factory was observed. Changes in the activity of soil enzymes were related to the soil chemical properties.
    Źródło:
    Acta Agrophysica; 2001, 51; 7-13
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Equisetum telmateia Ehrh. morphotypes related to anthropogenic habitats
    Autorzy:
    Wrobel, D
    Powiązania:
    https://bibliotekanauki.pl/articles/58384.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    anthropogenic habitat
    phenotypic variation
    Polska
    biotope
    Alno-Padion
    Equisetum telmateia
    sporophyte
    growth regulator
    Calthion
    Europe
    morphotype
    distribution
    Giant Horsetail
    Opis:
    The Giant Horsetail (Equisetum telmateia) is the only representative of Equisetum genus included in the list of strictly protected species. In Central and Western Europe the species is found in communities belonging to alliances: Alno-Padion and Calthion. With progressing destruction of these biotopes, one can observe the phenomenon of this species moving to the habitats extremely anthropogenic in character. Frequent and intensive observations of this phenomenon were conducted in the Jasło - Krosno Dale area in southern Poland in three anthropogenic localities. In these localities three interesting, irregular Equisetum telmateia morphotypes were found: fo. serotinum subfo. proliferum, fo. spiralis and a morphotype with branched shoot. The phenomenon of morphological plasticity of sporophytes is thought to be connected with the action of genes, which regulate the identity of developing plant organs and their distribution. These genes perform a superior part in relation to the system of growth regulators.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Typhetum laxmannii [Ubrizsy 1961] Nedelcu 1968 - the new plant association in Poland
    Autorzy:
    Nobis, M
    Nobis, A.
    Nowak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/56849.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Typhetum laxmannii
    plant association
    anthropogenic habitat
    rush
    plant community
    numerical analysis
    kenophyte
    plant distribution
    Polska
    Opis:
    Typhetum laxmannii (Ubrizsy 1961) Nedelcu 1968 is a plant association new to Poland, built by an expansive kenophyte - Typha laxmannii Lepech. This paper presents the general distribution of both, the species and the association, paying particular attention to the area of Europe and Poland where, in recent years, many new locations as well as an increasing participation in vegetation cover have been observed. The habitat preferences of Typhetum laxmannii, the floristic composition of the association and its geographical differentiation within the occupied area are described. The current distribution of the association in Poland is presented on the cartogram map 10x10 km and possible expansion routes are suggested.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2006, 75, 4; 325-332
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Demographic responses of boreal-montane orchid Malaxis monophyllos (L.) Sw. populations to contrasting environmental conditions
    Autorzy:
    Jermakowicz, E.
    Brzosko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/58627.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    demographic response
    orchid
    white adder's mouth
    Malaxis monophyllos
    plant population
    environment condition
    population dynamics
    red list
    plant species
    anthropogenic habitat
    Opis:
    In an age of changes in species’ geographical ranges, compounded by climatic and anthropogenic impacts, it become important to know which processes and factors influence plant populations and their persistence in the long term. Here we investigated dynamic and fitness components in twelve populations of Malaxis monophyllos (L.) Sw., situated in different geographical (regions) and ecological (type of habitat) units. Although M. monophyllos is a rare species, characterized by highly fragmented, boreal-montane distribution range, in last few decades it successfully colonized secondary habitats in Polish uplands. Our results indicate that M. monophyllos is represented mainly by small populations, which annual spatial and temporal changes might be very high, what affects the ephemeral character of these populations, regardless of the region and type of habitat. This dynamic structure, in turn, is caused by intensive exchange of individuals in populations, as well as by their short above-ground life span. Despite the large range of variation in size and reproductive traits, we can distinguish some regional patterns, which indicate boreal region as the most optimal for M. monophyllos growth and persistence in the long term, and with montane and upland/anthropogenic populations, due to lower reproductive parameters, as the most threatened. Although it should be considered that anthropogenic populations, despite their lower reproductive parameters and instability in the long term, present an intermediate, geographical and ecological character, therefore they may be valuable in shaping, both M. monophyllos’ future range, as well as its potential for response on ongoing and future changes. In general, reproduction is the main factor differentiating of M. monophyllos populations in regions, and we can suspect that it may become the cause of the future differentiation and isolation of these populations, occurring with progressive range fragmentation.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2016, 85, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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