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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 9 (2010): Issue 2 (December 2010)

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

Orobanche Pancicii Beck, a New Species to the Flora of Slovenia

Published Online: 10 Dec 2010
Page range: 171 - 176

Abstract

<italic>Orobanche Pancicii</italic> Beck, a New Species to the Flora of Slovenia

We describe localities and sites of Orobanche pancicii, a new species of the Slovenian flora. It was recorded in the subalpine belt (1500 to 2000 m a.s.l.) on forest edges, clearings and on stony grasslands in the Julian Alps and the eastern Karavanke mountains, on the hosts Knautia drymeia, K. longifolia and Scabiosa lucida.

Keywords

  • flora
  • new species
  • the Julian Alps
  • the Karavanke
  • Slovenia
Open Access

Revision of Historical and Current Distribution of Pholiurus Pannonicus (Host.) Trin. in Slovakia

Published Online: 10 Dec 2010
Page range: 177 - 183

Abstract

Revision of Historical and Current Distribution of <italic>Pholiurus Pannonicus</italic> (Host.) Trin. in Slovakia

Historical and current occurrence of the obligate halophyte Pholiurus pannonicus was studied in Slovakia during the period 2003-2009. The species had been occurring in the Podunajská nížina Lowland and the Východoslovenská nížina Lowland; 30 localities were found in total. Recently the number of localities has decreased markedly and the species was confirmed only in the Podunajská nížina Lowland. We documented only seven localities during the study. Therefore, we confirmed that Pholiurus pannonicus belongs to the critically endangered plants of Slovak flora.

Keywords

  • halophytes
  • distribution
  • Slovakia
Open Access

Bromo Moesiacae-Stipetum Epilosae - a New Association from the Relict Mountain Steppe Vegetation in South-Western Bulgaria

Published Online: 10 Dec 2010
Page range: 185 - 206

Abstract

<italic>Bromo Moesiacae-Stipetum Epilosae</italic> - a New Association from the Relict Mountain Steppe Vegetation in South-Western Bulgaria

A syntaxonomical analysis of the dry grasslands (Festuco-Brometea) in Bosnek karst region, Mt Vitosha (SW Bulgaria) has been carried out. These grasslands are part of the intrazonal vegetation distributed within the belts of xerophilous oak and mesophilous beech forest in the south-western foothills of the mountain. The bedrock is carbonate, the soils are dry and shallow, climate - moderate continental. This vegetation grows mostly on steep slopes, with southern and south-western exposition. Apart from the typical for Festuco-Brometea calcicoles, the studied vegetation is characterized by many endemic (regional and local) species and at the same time includes a lot of Mediterranean species. As a result of the analysis, a new association, Bromo moesiacae-Stipetum epilosae ass. nova, has been established that belongs to the alliance Saturejon montanae. A comparison with related syntaxa from other karst mountains from SW Bulgaria and E Serbia is made, and some conclusions about the origin of the steppe vegetation in that region are drawn.

Keywords

  • calcareous grasslands
  • dry grasslands
  • phytosociology
  • syntaxonomy
Open Access

The Alliances Arrhenatherion, Cynosurion and Trifolion Medii in Western Bulgaria - Environmental Gradients and Ecological Limitations

Published Online: 10 Dec 2010
Page range: 207 - 220

Abstract

The Alliances <italic>Arrhenatherion, Cynosurion</italic> and <italic>Trifolion Medii</italic> in Western Bulgaria - Environmental Gradients and Ecological Limitations

The vegetation of mesic grasslands distributed in the central part of Western Bulgaria is studied. A significant number of 533 relevés were made following the Braun-Blanquet approach. Classification and ordination of the vegetation was performed. The vegetation is classified up to alliance level. The result of the classification are four groups which correspond to the alliances Arrhenatherion elatioris, Cynosurion cristati and Trifolion medii. Within Cynosurion alliance two well distinct subgroups are observed, differing in moisture of the substrate - provisionally called "wet" and "dry" Cynosurion. Ellenberg Indicator Values are used for assessment of ecology of the habitats. The pasture/mowing management of the studied vegetation types is commented.

Keywords

  • Bulgaria
  • classification
  • formal definitions
  • mesic grasslands
  • ordination
Open Access

Oak forest vegetation in the northern part of the Štiavnické vrchy Mts (Central Slovakia)

Published Online: 10 Dec 2010
Page range: 221 - 238

Abstract

Oak forest vegetation in the northern part of the Štiavnické vrchy Mts (Central Slovakia)

The phytosociological research of the oak forest vegetation was carried out in the northern part of the Štiavnické vrchy Mts (Central Slovakia) using the standard Zürich-Montpellier approach. The data set consisting of 41 phytosociological relevés was obtained by the authors in two vegetation seasons in 2008 and 2009. The numerical classification and the ordination methods were applied to determine the main vegetation types and to explain the structure of the vegetation-environmental data matrix, respectively. Four associations within two classes were distinguished: Luzulo albidae-Quercetum petraeae Hilitzer 1932, typical for shallow, mineral-poor and acidic soils, Melico uniflorae-Quercetum petraeae Gergely 1962 occuring on mesic stands with skeletal and deeper soils, Poo nemoralis-Quercetum dalechampii Šomšák et Háberová 1979 developing on moderately canopyopened stands in the submontane belt, Sorbo torminalis-Quercetum Svoboda ex Blažková 1962 growing on moderately acidic substrates in drier regions. The major environmental gradients responsible for variation in forest species composition was associated with soil nutrient and soil reaction following the Ellenberg indicator values as well as the measured environmental variables (C/N-ratio and soil acidity). Special attention was given to the discussion on species composition and site ecology.

Keywords

  • classification
  • phytosociology
  • ecology
  • gradient analysis
  • the Western Carpathians
5 Articles
Open Access

Orobanche Pancicii Beck, a New Species to the Flora of Slovenia

Published Online: 10 Dec 2010
Page range: 171 - 176

Abstract

<italic>Orobanche Pancicii</italic> Beck, a New Species to the Flora of Slovenia

We describe localities and sites of Orobanche pancicii, a new species of the Slovenian flora. It was recorded in the subalpine belt (1500 to 2000 m a.s.l.) on forest edges, clearings and on stony grasslands in the Julian Alps and the eastern Karavanke mountains, on the hosts Knautia drymeia, K. longifolia and Scabiosa lucida.

Keywords

  • flora
  • new species
  • the Julian Alps
  • the Karavanke
  • Slovenia
Open Access

Revision of Historical and Current Distribution of Pholiurus Pannonicus (Host.) Trin. in Slovakia

Published Online: 10 Dec 2010
Page range: 177 - 183

Abstract

Revision of Historical and Current Distribution of <italic>Pholiurus Pannonicus</italic> (Host.) Trin. in Slovakia

Historical and current occurrence of the obligate halophyte Pholiurus pannonicus was studied in Slovakia during the period 2003-2009. The species had been occurring in the Podunajská nížina Lowland and the Východoslovenská nížina Lowland; 30 localities were found in total. Recently the number of localities has decreased markedly and the species was confirmed only in the Podunajská nížina Lowland. We documented only seven localities during the study. Therefore, we confirmed that Pholiurus pannonicus belongs to the critically endangered plants of Slovak flora.

Keywords

  • halophytes
  • distribution
  • Slovakia
Open Access

Bromo Moesiacae-Stipetum Epilosae - a New Association from the Relict Mountain Steppe Vegetation in South-Western Bulgaria

Published Online: 10 Dec 2010
Page range: 185 - 206

Abstract

<italic>Bromo Moesiacae-Stipetum Epilosae</italic> - a New Association from the Relict Mountain Steppe Vegetation in South-Western Bulgaria

A syntaxonomical analysis of the dry grasslands (Festuco-Brometea) in Bosnek karst region, Mt Vitosha (SW Bulgaria) has been carried out. These grasslands are part of the intrazonal vegetation distributed within the belts of xerophilous oak and mesophilous beech forest in the south-western foothills of the mountain. The bedrock is carbonate, the soils are dry and shallow, climate - moderate continental. This vegetation grows mostly on steep slopes, with southern and south-western exposition. Apart from the typical for Festuco-Brometea calcicoles, the studied vegetation is characterized by many endemic (regional and local) species and at the same time includes a lot of Mediterranean species. As a result of the analysis, a new association, Bromo moesiacae-Stipetum epilosae ass. nova, has been established that belongs to the alliance Saturejon montanae. A comparison with related syntaxa from other karst mountains from SW Bulgaria and E Serbia is made, and some conclusions about the origin of the steppe vegetation in that region are drawn.

Keywords

  • calcareous grasslands
  • dry grasslands
  • phytosociology
  • syntaxonomy
Open Access

The Alliances Arrhenatherion, Cynosurion and Trifolion Medii in Western Bulgaria - Environmental Gradients and Ecological Limitations

Published Online: 10 Dec 2010
Page range: 207 - 220

Abstract

The Alliances <italic>Arrhenatherion, Cynosurion</italic> and <italic>Trifolion Medii</italic> in Western Bulgaria - Environmental Gradients and Ecological Limitations

The vegetation of mesic grasslands distributed in the central part of Western Bulgaria is studied. A significant number of 533 relevés were made following the Braun-Blanquet approach. Classification and ordination of the vegetation was performed. The vegetation is classified up to alliance level. The result of the classification are four groups which correspond to the alliances Arrhenatherion elatioris, Cynosurion cristati and Trifolion medii. Within Cynosurion alliance two well distinct subgroups are observed, differing in moisture of the substrate - provisionally called "wet" and "dry" Cynosurion. Ellenberg Indicator Values are used for assessment of ecology of the habitats. The pasture/mowing management of the studied vegetation types is commented.

Keywords

  • Bulgaria
  • classification
  • formal definitions
  • mesic grasslands
  • ordination
Open Access

Oak forest vegetation in the northern part of the Štiavnické vrchy Mts (Central Slovakia)

Published Online: 10 Dec 2010
Page range: 221 - 238

Abstract

Oak forest vegetation in the northern part of the Štiavnické vrchy Mts (Central Slovakia)

The phytosociological research of the oak forest vegetation was carried out in the northern part of the Štiavnické vrchy Mts (Central Slovakia) using the standard Zürich-Montpellier approach. The data set consisting of 41 phytosociological relevés was obtained by the authors in two vegetation seasons in 2008 and 2009. The numerical classification and the ordination methods were applied to determine the main vegetation types and to explain the structure of the vegetation-environmental data matrix, respectively. Four associations within two classes were distinguished: Luzulo albidae-Quercetum petraeae Hilitzer 1932, typical for shallow, mineral-poor and acidic soils, Melico uniflorae-Quercetum petraeae Gergely 1962 occuring on mesic stands with skeletal and deeper soils, Poo nemoralis-Quercetum dalechampii Šomšák et Háberová 1979 developing on moderately canopyopened stands in the submontane belt, Sorbo torminalis-Quercetum Svoboda ex Blažková 1962 growing on moderately acidic substrates in drier regions. The major environmental gradients responsible for variation in forest species composition was associated with soil nutrient and soil reaction following the Ellenberg indicator values as well as the measured environmental variables (C/N-ratio and soil acidity). Special attention was given to the discussion on species composition and site ecology.

Keywords

  • classification
  • phytosociology
  • ecology
  • gradient analysis
  • the Western Carpathians

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