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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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Ecological indicator values of some lichen species noted in Poland

100%
Fabiszewski J., Szczepanska K.
Acta Societatis Botanicorum Poloniae
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2010
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tom 79
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nr 4
The paper presents the ecological indicator values for 360 lichen species noted in Poland. For the given species estimated were the climatic indicators (light, temperature, moisture) and the edaphic ones (trophicity, habitat acidity). The estimate is based mainly on field studies and Polish lichenological literature. Presented are also the dynamics tendencies, i.e expansion or dieback of the analyzed species. According to papers by Polish authors, concerning various groups of plants, used were five degrees' scales of the analysed indices.
2

Species diversity in grassland communities under different habitat conditions

88%
Jastrzebska M., Szarejko T., Holdynski C., Jastrzebski W. P.
Polish Journal of Natural Sciences
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2009
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tom 24
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nr 1
43-59
Two hundred species of vascular plants were identified in grasslands on the Popielno Peninsula, in the part used for agricultural purposes. Species diversity in plant communities, measured by the Shannon-Wiener index, was found to depend on soil type, land use type and phytosociological affiliation. Greater species diversity was observed in communities that developed on mineral soils, are used as pastures, and belong to the class Molinio-Arrhenetheretea. The biodiversity of grassland communities on the Popielno Peninsula is affected by habitat conditions. The relationship between vegetation biodiversity and habitat quality is difficult to grasp due to its multidimensional character. The methods of multivariate statistics may prove useful in this respect.
3

Can naturalness indicator values reveal habitat degradation? A test of four methodological approaches

63%
Erdos L., Batori Z., Penksza K., Denes A., Kevey B., Kevey D., Magnes M., Sengl P., Tolgyesi C.
Polish Journal of Ecology
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2017
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tom 65
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nr 1
Assessing habitat naturalness belongs to the most current issues in conservation biology. It has been recognized that plants are able to indicate the naturalness of their habitat. Thus, species may be given relative naturalness indicator values (i.e. scores on an ordinal scale), reflecting their different tolerances against habitat degradation. In the present study, our first goal was to test whether relative naturalness indicator values are able to reveal known differences in naturalness levels. Our second purpose was to compare four different methodological approaches in order to identify which is the most reliable when analyzing habitat naturalness. We compared near-natural and degraded plots on the bases of (1) unweighted plot means, (2) plot medians, (3) unweighted naturalness indicator value populations, and (4) frequency-weighted naturalness indicator value populations. We found that relative naturalness indicator values performed well in differentiating among near-natural and degraded vegetation. Unweighted mean indicator values were the most reliable, but frequency-weighted indicator value populations were nearly as efficient as unweighted means. We conclude that relative naturalness indicator values provide a simple but reliable tool for estimating habitat deterioration.
4

Zastosowanie ekologicznych liczb wskaznikowych do oceny abiotycznego srodowiska parkow wiejskich w Kotlinie Sandomierskiej

51%
Fornal-Pieniak B., Wysocki C.
Acta Scientiarum Polonorum. Formatio Circumiectus
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2009
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tom 08
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nr 1-2
13-26
Ekologiczne liczby wskaźnikowe Ellenberga i innych oraz Zarzyckiego i innych wykorzystano do określenia najważniejszych relacji między środowiskiem abiotycznym a składem gatunkowym warstwy ziół w zadrzewieniach parkowych. Badania wykonano w 51 parkach wiejskich na terenie Kotliny Sandomierskiej. Wyniki badań wykazały, że istnieją istotne relacje między roślinnością parków wiejskich a elementami środowiska abiotycznego, takimi jak światło oraz wilgotność i skład fizyczno-chemiczny gleby. Stwierdzono, że na zróżnicowanie składu gatunkowego roślin warstwy runa ma wpływ pielęgnacja szaty roślinnej lub jej brak, np. parki pielęgnowane (z koszoną warstwą runa), mające silniej przekształcone siedlisko, cechują się większym udziałem roślinności synantropijnej w warstwie ziół.
5
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Soil environment of Pulsatilla vernalis (L.) Mill. at selected sites in the Polish lowland

51%
Grzyl A., Niewiadomski A., Woziwoda B.
Acta Societatis Botanicorum Poloniae
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2013
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tom 82
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nr 4
The paper presents soil conditions of Pulsatilla vernalis in the Polish lowland. There were determined species preferences in relation to physical and chemical properties, grain size composition and the type of soil. It has been found that P. vernalis prefers very poor sandy, acid, dry and permeable soils, with small water capacity. The range of habitat parameters at the lowland sites differs, however, from the conditions at the mountain sites. Due to specific habitats of the species, new ecological indicator values were proposed for the lowland sites of P. vernalis. The results of soil analysis presented in this paper, as well as other data related to biology of the species, should be accounted for in the active protection plan, including the processes of reintroduction and introduction of the species.
6

Brzoza brodawkowata (Betula pendula Roth) jako gatunek przedplonowy na otwartych powierzchniach powstałych po rozpadzie monokultur świerkowych w Beskidzie Śląskim

38%
Jaworski A., Kornik S.
Acta Agraria et Silvestria. Series Silvestris
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2011
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tom 49
The purpose of the research was to study some of the features of silver birch, in its habitat conditions, as a naturally occurring pioneer crop appearing in open spaces formed by the disintegration of the Norway spruce monocultures in the Silesian Beskid Mountains. On the three research plots the occurrence of the young natural regeneration and understorey of 13 species of trees and shrubs was determined. On the basis of the number of specimens it was found that the most dominant species in the whole area was Norway spruce (56-64%). Birch accounted for 14-16%, and all pioneer species (Betula pendula, Populus tremula, Pinus sylvestris, Salix caprea, Sorbus aucuparia) accounted for 21-23%. However, the researched plots are generally covered by birch due to the share of this species amounts to nearly 90% in the height classes above 0.5 m. The birch appeared within 4-6 years of the disintegration period of the spruce stand. The succession of the birch, its quick growth and ability to develop a crown confirm the possibility of using this species as a pioneer crop. Climax species (silver fir and common beech) can be introduced to a seven-year-old birch pioneer crop, depending on the birch vitality, with the assumption of the conversion period of 30 to 40 years. In the case of the birch vitality abatement the suggested period of conversion will have to be shortened.
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