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Journal Details
Format
Journal
eISSN
1854-9829
ISSN
1581-4661
First Published
10 Jul 2007
Publication timeframe
2 times per year
Languages
English

Search

Volume 8 (2009): Issue 2 (December 2009)

Journal Details
Format
Journal
eISSN
1854-9829
ISSN
1581-4661
First Published
10 Jul 2007
Publication timeframe
2 times per year
Languages
English

Search

5 Articles
Open Access

Contributions to the Bryophyte Flora of Republic of Macedonia

Published Online: 14 Jan 2010
Page range: 97 - 114

Abstract

Contributions to the Bryophyte Flora of Republic of Macedonia

The author presents the results of his own research of bryophyte flora carried out in years 1962-1972 in R. Macedonia. He mentioned 269 bryophyte taxa (41 liverworts and 228 mosses), among them 75 taxa (18 liverworts and 57 mosses) are reported for the first time in Republic of Macedonia. Six species are included in the Red data book of European bryophytes (ECCB 1995).

Keywords

  • bryophyte flora
  • Republic of Macedonia
  • chorological analysis
  • redlisted species
Open Access

Determinants of Within-Patch Microdistribution and Movements of Endangered Butterfly Coenonympha Oedippus (Fabricius, 1787) (Nymphalidae: Satyrinae)

Published Online: 14 Jan 2010
Page range: 115 - 128

Abstract

Determinants of Within-Patch Microdistribution and Movements of Endangered Butterfly <italic>Coenonympha Oedippus</italic> (Fabricius, 1787) (Nymphalidae: Satyrinae)

The within-patch microdistribution and movements of adults of the critically endangered butterfly, Coenonympha oedippus, were studied using mark-recapture data from an isolated patch network, which consisted of 8 patches in central Slovenia. The impact of patch characteristics on both parameters was analyzed. Males fly longer distances and spend more time flying than females. The distances and seasonal pattern of male movements were dependent on the patch size, and on the microdistribution and density of freshly emerged (receptive) females. The spatial and temporal pattern of female microdistribution was influenced by vegetation height, the homogeneity of host plant stands and the shading of the ground and/or the lowest parts of herb layer. In the case of near continuous distribution of host plants within a patch, the structure of herb vegetation appears to be the major determinant of adult microdistribution. It affects the dynamics of butterfly emergence and the selection of oviposition sites. The per cent cover of the nectar plant, Potentilla erecta, does not play an important role in butterfly microdistribution.

Keywords

  • Mark-release-recapture
  • microdistribution of adults
  • within-patch movements
  • vegetation structure
  • Ljubljansko barje
Open Access

Biodiversity Conservation: Geosynphytosociology as a Tool of Analysis and Modelling of Grassland Systems

Published Online: 14 Jan 2010
Page range: 129 - 146

Abstract

Biodiversity Conservation: Geosynphytosociology as a Tool of Analysis and Modelling of Grassland Systems

The study site is located along the Umbria-Marches Apennine (central Italy). Following a series of research topics, the aims and objectives of this paper are to present the tested process of forage resources modelling at a large scale in a pastoral system in order to define essential management and decision making aimed on biodiversity conservation.

The analytical process is based on correlation between phytosociological and agro-zootechnical analysis. This approach allows one to extend any type of heterogeneous data, provided this is in any way correlated to the intrinsic characteristics of the plant community, can be interpolated to the whole polygon and therefore to all polygons referring to the same phytosociological unit. In terms of planning and application, the results of phytosociological modelling are much more useful when integrated in a database (GIS), in which the different information levels, based on hierarchical criteria, are simulated in multiple polygon segmentations.

In particular, this method allows one to obtain a first general overview of the forage resource using the theoretical data linked to the phytosociological interpretation of the territory. Subsequently, this overview can be enhanced with actual quantitative data, offering also a qualitative dimension coming from the phytosociological aspects.

Keywords

  • Geosynphytosociological modelling
  • plant community
  • forage resource
  • carrying capacity
  • grazing management
  • biodiversity conservation
Open Access

Dynamics and Distribution of Neophytes in Ruderal Vegetation of the Horná Orava Region (Northern Slovakia)

Published Online: 14 Jan 2010
Page range: 147 - 157

Abstract

Dynamics and Distribution of Neophytes in Ruderal Vegetation of the Horná Orava Region (Northern Slovakia)

Based on research of ruderal vegetation in the Horná Orava region in the 1980s and in 2005-2007, a list of neophytes was compiled. Thirty-three species of neophytes have been found, representing 6% of the overall flora. The geographical origin, family, life-history, life-form and status of invasion of these species were assessed. The biggest proportion of the species was of North American origin (49%), therophytes (49%) and members of the family Asteraceae (38%). Most of the neophytes are garden "escapees" and only few of them may be considered to be of potential hazard to the studied region, most particularly Fallopia japonica, Impatiens glandulifera and Solidago canadensis. Types of plant communities, where particular neophytes were found, and the foci of their distribution were evaluated as well. Neophytes are most abundant in communities of the class Galio-Urticetea, and especially of the alliance Senecionion fluviatilis. Comparing older and present data, trends in the progression of non-indigenous species in the Horná Orava region were predicted. It is apparent that the number of localities of invasive species is increasing and even other species that in the literature from the other regions are mentioned as invasive tend to spread through the area.

Keywords

  • alien
  • neophyte
  • invasive species
  • invasive status
  • ruderal vegetation
  • Horná Orava region
  • Northern Slovakia
Open Access

Macrophyte Vegetation of Artificial water Reservoirs in the Krupinská Planina Mts., Including the First Record of Potametum Acutifolii from Slovakia

Published Online: 14 Jan 2010
Page range: 159 - 174

Abstract

Macrophyte Vegetation of Artificial water Reservoirs in the Krupinská Planina Mts., Including the First Record of <italic>Potametum Acutifolii</italic> from Slovakia

Research of macrophyte vegetation of the artificial water reservoirs was carried out during the vegetation season of 2008 in the Krupinská planina Mts. (southern part of central Slovakia). Twenty-one reservoirs were studied and twenty plant communities from the Lemnetea, Potametea and Phragmito-Magnocaricetea classes were found. Potametum acutifolii is a new aquatic community for the territory of Slovakia that was found in the reservoir near Hrušov village in intermediately deep, slightly alkaline water with a relatively low content of soluble mineral matters, a high water transparency and a silt-clay sediment on the bottom. Moisture was the main environmental gradient of the studied vegetation explained by Ellenberg's indicator values. Species richness was significantly negatively correlated with water depth. The correlation between the area of reservoirs and the number of detected plant communities was weak and non-significant. Changes of macrophyte vegetation were studied on the case of three reservoirs. Detected changes were caused mainly by human activities or water level fluctuations within the studied period.

Keywords

  • aquatic and marsh vegetation
  • plant community changes
  • ecology
  • DCA
5 Articles
Open Access

Contributions to the Bryophyte Flora of Republic of Macedonia

Published Online: 14 Jan 2010
Page range: 97 - 114

Abstract

Contributions to the Bryophyte Flora of Republic of Macedonia

The author presents the results of his own research of bryophyte flora carried out in years 1962-1972 in R. Macedonia. He mentioned 269 bryophyte taxa (41 liverworts and 228 mosses), among them 75 taxa (18 liverworts and 57 mosses) are reported for the first time in Republic of Macedonia. Six species are included in the Red data book of European bryophytes (ECCB 1995).

Keywords

  • bryophyte flora
  • Republic of Macedonia
  • chorological analysis
  • redlisted species
Open Access

Determinants of Within-Patch Microdistribution and Movements of Endangered Butterfly Coenonympha Oedippus (Fabricius, 1787) (Nymphalidae: Satyrinae)

Published Online: 14 Jan 2010
Page range: 115 - 128

Abstract

Determinants of Within-Patch Microdistribution and Movements of Endangered Butterfly <italic>Coenonympha Oedippus</italic> (Fabricius, 1787) (Nymphalidae: Satyrinae)

The within-patch microdistribution and movements of adults of the critically endangered butterfly, Coenonympha oedippus, were studied using mark-recapture data from an isolated patch network, which consisted of 8 patches in central Slovenia. The impact of patch characteristics on both parameters was analyzed. Males fly longer distances and spend more time flying than females. The distances and seasonal pattern of male movements were dependent on the patch size, and on the microdistribution and density of freshly emerged (receptive) females. The spatial and temporal pattern of female microdistribution was influenced by vegetation height, the homogeneity of host plant stands and the shading of the ground and/or the lowest parts of herb layer. In the case of near continuous distribution of host plants within a patch, the structure of herb vegetation appears to be the major determinant of adult microdistribution. It affects the dynamics of butterfly emergence and the selection of oviposition sites. The per cent cover of the nectar plant, Potentilla erecta, does not play an important role in butterfly microdistribution.

Keywords

  • Mark-release-recapture
  • microdistribution of adults
  • within-patch movements
  • vegetation structure
  • Ljubljansko barje
Open Access

Biodiversity Conservation: Geosynphytosociology as a Tool of Analysis and Modelling of Grassland Systems

Published Online: 14 Jan 2010
Page range: 129 - 146

Abstract

Biodiversity Conservation: Geosynphytosociology as a Tool of Analysis and Modelling of Grassland Systems

The study site is located along the Umbria-Marches Apennine (central Italy). Following a series of research topics, the aims and objectives of this paper are to present the tested process of forage resources modelling at a large scale in a pastoral system in order to define essential management and decision making aimed on biodiversity conservation.

The analytical process is based on correlation between phytosociological and agro-zootechnical analysis. This approach allows one to extend any type of heterogeneous data, provided this is in any way correlated to the intrinsic characteristics of the plant community, can be interpolated to the whole polygon and therefore to all polygons referring to the same phytosociological unit. In terms of planning and application, the results of phytosociological modelling are much more useful when integrated in a database (GIS), in which the different information levels, based on hierarchical criteria, are simulated in multiple polygon segmentations.

In particular, this method allows one to obtain a first general overview of the forage resource using the theoretical data linked to the phytosociological interpretation of the territory. Subsequently, this overview can be enhanced with actual quantitative data, offering also a qualitative dimension coming from the phytosociological aspects.

Keywords

  • Geosynphytosociological modelling
  • plant community
  • forage resource
  • carrying capacity
  • grazing management
  • biodiversity conservation
Open Access

Dynamics and Distribution of Neophytes in Ruderal Vegetation of the Horná Orava Region (Northern Slovakia)

Published Online: 14 Jan 2010
Page range: 147 - 157

Abstract

Dynamics and Distribution of Neophytes in Ruderal Vegetation of the Horná Orava Region (Northern Slovakia)

Based on research of ruderal vegetation in the Horná Orava region in the 1980s and in 2005-2007, a list of neophytes was compiled. Thirty-three species of neophytes have been found, representing 6% of the overall flora. The geographical origin, family, life-history, life-form and status of invasion of these species were assessed. The biggest proportion of the species was of North American origin (49%), therophytes (49%) and members of the family Asteraceae (38%). Most of the neophytes are garden "escapees" and only few of them may be considered to be of potential hazard to the studied region, most particularly Fallopia japonica, Impatiens glandulifera and Solidago canadensis. Types of plant communities, where particular neophytes were found, and the foci of their distribution were evaluated as well. Neophytes are most abundant in communities of the class Galio-Urticetea, and especially of the alliance Senecionion fluviatilis. Comparing older and present data, trends in the progression of non-indigenous species in the Horná Orava region were predicted. It is apparent that the number of localities of invasive species is increasing and even other species that in the literature from the other regions are mentioned as invasive tend to spread through the area.

Keywords

  • alien
  • neophyte
  • invasive species
  • invasive status
  • ruderal vegetation
  • Horná Orava region
  • Northern Slovakia
Open Access

Macrophyte Vegetation of Artificial water Reservoirs in the Krupinská Planina Mts., Including the First Record of Potametum Acutifolii from Slovakia

Published Online: 14 Jan 2010
Page range: 159 - 174

Abstract

Macrophyte Vegetation of Artificial water Reservoirs in the Krupinská Planina Mts., Including the First Record of <italic>Potametum Acutifolii</italic> from Slovakia

Research of macrophyte vegetation of the artificial water reservoirs was carried out during the vegetation season of 2008 in the Krupinská planina Mts. (southern part of central Slovakia). Twenty-one reservoirs were studied and twenty plant communities from the Lemnetea, Potametea and Phragmito-Magnocaricetea classes were found. Potametum acutifolii is a new aquatic community for the territory of Slovakia that was found in the reservoir near Hrušov village in intermediately deep, slightly alkaline water with a relatively low content of soluble mineral matters, a high water transparency and a silt-clay sediment on the bottom. Moisture was the main environmental gradient of the studied vegetation explained by Ellenberg's indicator values. Species richness was significantly negatively correlated with water depth. The correlation between the area of reservoirs and the number of detected plant communities was weak and non-significant. Changes of macrophyte vegetation were studied on the case of three reservoirs. Detected changes were caused mainly by human activities or water level fluctuations within the studied period.

Keywords

  • aquatic and marsh vegetation
  • plant community changes
  • ecology
  • DCA

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