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Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava
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| Zeitschriftentitel: | Acta Societatis Botanicorum Poloniae |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Acta Societatis Botanicorum Poloniae, 86, 2017, 1 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Polish Botanical Society
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| Schlagwörter: |
| author_facet |
Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan |
|---|---|
| author |
Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan |
| spellingShingle |
Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan Acta Societatis Botanicorum Poloniae Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava Plant Science |
| author_sort |
rendeková, alena |
| spelling |
Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan 2083-9480 Polish Botanical Society Plant Science http://dx.doi.org/10.5586/asbp.3538 <jats:p>The study is focused on evaluating changes in the presence of alien species in ruderal vegetation. Two datasets comprising phytosociological relevés of ruderal communities during two time periods within the Bratislava City (in southwestern Slovakia) were analyzed. The old dataset consisted of 387 relevés recorded in the years 1975–1982, and the more recent dataset consisted of 308 relevés from the years 2011–2014. The relevés from both time periods were assigned to phytosociological classes via the same procedure – numerical classification (hierarchical clustering) using HIERCLUS software. The average values of the percentage number and percentage cover of the archaeophytes and neophytes as groups in the earlier and more recent relevés of each class were compared by the main effects ANOVA analysis in the STATISTICA 7.0 software. The proportion of each taxon of archaeophytes and neophytes in both datasets was also calculated. The invasive status, origin, and life forms of alien species in both datasets were compared. In total, both datasets comprised 120 archaeophytes and 71 neophytes. The old dataset contained more archeaophytes than the more recent dataset. On the contrary, the more recent dataset contained more neophytes than the old dataset. In the years 2011–2014, more invasive neophytes were recorded than in the past. The results revealed a statistically significant decrease in the average percentage number of archaeophytes in the classes <em>Stellarietea mediae</em>, <em>Artemisietea vulgaris</em>, and <em>Galio-Urticetea</em>, and a decrease in the average percentage cover of archaeophytes in the class <em>Artemisietea vulgaris</em>, compared to the past. On the contrary, a statistically significant increase in the average percentage number and cover of neophytes in the classes <em>Artemisietea vulgaris</em> and <em>Galio-Urticetea</em> was recorded. Some rare species of archaeophytes were only recorded 30 years ago (e.g., <em>Kickxia elatine</em>, <em>Silene gallica</em>). Furthermore, several species of neophytes (including some invasive taxa, e.g., <em>Fallopia japonica</em>, <em>Helianthus tuberosus</em>, <em>Juncus tenuis</em>) occur only currently in the ruderal vegetation of Bratislava.</jats:p> Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava Acta Societatis Botanicorum Poloniae |
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| title |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_unstemmed |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_full |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_fullStr |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_full_unstemmed |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_short |
Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_sort |
changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from bratislava |
| topic |
Plant Science |
| url |
http://dx.doi.org/10.5586/asbp.3538 |
| publishDate |
2017 |
| physical |
|
| description |
<jats:p>The study is focused on evaluating changes in the presence of alien species in ruderal vegetation. Two datasets comprising phytosociological relevés of ruderal communities during two time periods within the Bratislava City (in southwestern Slovakia) were analyzed. The old dataset consisted of 387 relevés recorded in the years 1975–1982, and the more recent dataset consisted of 308 relevés from the years 2011–2014. The relevés from both time periods were assigned to phytosociological classes via the same procedure – numerical classification (hierarchical clustering) using HIERCLUS software. The average values of the percentage number and percentage cover of the archaeophytes and neophytes as groups in the earlier and more recent relevés of each class were compared by the main effects ANOVA analysis in the STATISTICA 7.0 software. The proportion of each taxon of archaeophytes and neophytes in both datasets was also calculated. The invasive status, origin, and life forms of alien species in both datasets were compared. In total, both datasets comprised 120 archaeophytes and 71 neophytes. The old dataset contained more archeaophytes than the more recent dataset. On the contrary, the more recent dataset contained more neophytes than the old dataset. In the years 2011–2014, more invasive neophytes were recorded than in the past. The results revealed a statistically significant decrease in the average percentage number of archaeophytes in the classes <em>Stellarietea mediae</em>, <em>Artemisietea vulgaris</em>, and <em>Galio-Urticetea</em>, and a decrease in the average percentage cover of archaeophytes in the class <em>Artemisietea vulgaris</em>, compared to the past. On the contrary, a statistically significant increase in the average percentage number and cover of neophytes in the classes <em>Artemisietea vulgaris</em> and <em>Galio-Urticetea</em> was recorded. Some rare species of archaeophytes were only recorded 30 years ago (e.g., <em>Kickxia elatine</em>, <em>Silene gallica</em>). Furthermore, several species of neophytes (including some invasive taxa, e.g., <em>Fallopia japonica</em>, <em>Helianthus tuberosus</em>, <em>Juncus tenuis</em>) occur only currently in the ruderal vegetation of Bratislava.</jats:p> |
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| author | Rendeková, Alena, Miškovic, Ján, Mičieta, Karol, Hrabovský, Michal, Jarolímek, Ivan |
| author_facet | Rendeková, Alena, Miškovic, Ján, Mičieta, Karol, Hrabovský, Michal, Jarolímek, Ivan, Rendeková, Alena, Miškovic, Ján, Mičieta, Karol, Hrabovský, Michal, Jarolímek, Ivan |
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| description | <jats:p>The study is focused on evaluating changes in the presence of alien species in ruderal vegetation. Two datasets comprising phytosociological relevés of ruderal communities during two time periods within the Bratislava City (in southwestern Slovakia) were analyzed. The old dataset consisted of 387 relevés recorded in the years 1975–1982, and the more recent dataset consisted of 308 relevés from the years 2011–2014. The relevés from both time periods were assigned to phytosociological classes via the same procedure – numerical classification (hierarchical clustering) using HIERCLUS software. The average values of the percentage number and percentage cover of the archaeophytes and neophytes as groups in the earlier and more recent relevés of each class were compared by the main effects ANOVA analysis in the STATISTICA 7.0 software. The proportion of each taxon of archaeophytes and neophytes in both datasets was also calculated. The invasive status, origin, and life forms of alien species in both datasets were compared. In total, both datasets comprised 120 archaeophytes and 71 neophytes. The old dataset contained more archeaophytes than the more recent dataset. On the contrary, the more recent dataset contained more neophytes than the old dataset. In the years 2011–2014, more invasive neophytes were recorded than in the past. The results revealed a statistically significant decrease in the average percentage number of archaeophytes in the classes <em>Stellarietea mediae</em>, <em>Artemisietea vulgaris</em>, and <em>Galio-Urticetea</em>, and a decrease in the average percentage cover of archaeophytes in the class <em>Artemisietea vulgaris</em>, compared to the past. On the contrary, a statistically significant increase in the average percentage number and cover of neophytes in the classes <em>Artemisietea vulgaris</em> and <em>Galio-Urticetea</em> was recorded. Some rare species of archaeophytes were only recorded 30 years ago (e.g., <em>Kickxia elatine</em>, <em>Silene gallica</em>). Furthermore, several species of neophytes (including some invasive taxa, e.g., <em>Fallopia japonica</em>, <em>Helianthus tuberosus</em>, <em>Juncus tenuis</em>) occur only currently in the ruderal vegetation of Bratislava.</jats:p> |
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| spelling | Rendeková, Alena Miškovic, Ján Mičieta, Karol Hrabovský, Michal Jarolímek, Ivan 2083-9480 Polish Botanical Society Plant Science http://dx.doi.org/10.5586/asbp.3538 <jats:p>The study is focused on evaluating changes in the presence of alien species in ruderal vegetation. Two datasets comprising phytosociological relevés of ruderal communities during two time periods within the Bratislava City (in southwestern Slovakia) were analyzed. The old dataset consisted of 387 relevés recorded in the years 1975–1982, and the more recent dataset consisted of 308 relevés from the years 2011–2014. The relevés from both time periods were assigned to phytosociological classes via the same procedure – numerical classification (hierarchical clustering) using HIERCLUS software. The average values of the percentage number and percentage cover of the archaeophytes and neophytes as groups in the earlier and more recent relevés of each class were compared by the main effects ANOVA analysis in the STATISTICA 7.0 software. The proportion of each taxon of archaeophytes and neophytes in both datasets was also calculated. The invasive status, origin, and life forms of alien species in both datasets were compared. In total, both datasets comprised 120 archaeophytes and 71 neophytes. The old dataset contained more archeaophytes than the more recent dataset. On the contrary, the more recent dataset contained more neophytes than the old dataset. In the years 2011–2014, more invasive neophytes were recorded than in the past. The results revealed a statistically significant decrease in the average percentage number of archaeophytes in the classes <em>Stellarietea mediae</em>, <em>Artemisietea vulgaris</em>, and <em>Galio-Urticetea</em>, and a decrease in the average percentage cover of archaeophytes in the class <em>Artemisietea vulgaris</em>, compared to the past. On the contrary, a statistically significant increase in the average percentage number and cover of neophytes in the classes <em>Artemisietea vulgaris</em> and <em>Galio-Urticetea</em> was recorded. Some rare species of archaeophytes were only recorded 30 years ago (e.g., <em>Kickxia elatine</em>, <em>Silene gallica</em>). Furthermore, several species of neophytes (including some invasive taxa, e.g., <em>Fallopia japonica</em>, <em>Helianthus tuberosus</em>, <em>Juncus tenuis</em>) occur only currently in the ruderal vegetation of Bratislava.</jats:p> Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava Acta Societatis Botanicorum Poloniae |
| spellingShingle | Rendeková, Alena, Miškovic, Ján, Mičieta, Karol, Hrabovský, Michal, Jarolímek, Ivan, Acta Societatis Botanicorum Poloniae, Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava, Plant Science |
| title | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_full | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_fullStr | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_full_unstemmed | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_short | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| title_sort | changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from bratislava |
| title_unstemmed | Changes in presence of alien species in the ruderal vegetation of a representative ecosystem in a major city over 30 years: a case study from Bratislava |
| topic | Plant Science |
| url | http://dx.doi.org/10.5586/asbp.3538 |