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Articles containing the keyword 'vascular plants'

Category : Article

article id 5205, category Article
Juha Suominen, Alfred Varkki. (1984). Lauhanvuoren kasvisto. Silva Fennica vol. 18 no. 1 article id 5205. https://doi.org/10.14214/sf.a15384
English title: Vascular plant flora of Lauhavuori Hill, Western Finland.
Original keywords: kasvisto; putkilokasvit; kasvillisuusanalyysi; Lauhanvuori; Etelä-Pohjanmaa; tulokaskasvit; alkuperäiset kasvilajit
English keywords: native species; vascular plants; vegetation analysis; Western Finland; flora; Ostrobothnia
Abstract | View details | Full text in PDF | Author Info

The Lauhavuori area is barren, consisting of sandstone and granite bedrock covered by coarse moraine and sand. The woodlands are dominated by Scots pine (Pinus sylvestris L.) and Calluna. The top of the hill, rising 230 metres above the sea level, is more fertile, as it was never covered by the ancient Baltic Sea. Numerous springs and spring brooks are bordered by herb-rich Norway spruce (Picea abies (L.) H. Karst.) woodlands and swamps. Although most of the peatlands are oligotrophic, several mesotrophic peatland plants occur, some southern, giving the peatlands a rather northerly character.

The study area is 8 by 12 km. According to the vegetation analysis, 310 species were identified, 208 of which were native to the area and 102 immigrants. The native species can be separated from the immigrants because the area is largely undisturbed.

The PDF includes a summary in English.

  • Suominen, E-mail: js@mm.unknown (email)
  • Varkki, E-mail: av@mm.unknown
article id 4844, category Article
Kaarina Rutanen. (1971). Sinivuoren luonnonpuiston kasvisto ja kasvillisuus. Silva Fennica vol. 5 no. 2 article id 4844. https://doi.org/10.14214/sf.a14646
English title: Flora and vegetation of the Sinivuori Nature Park in Southern Finland.
Original keywords: kasvillisuus; luonnonpuistot; luonnonsuojelualueet; Häme; lehdot; kasvillisuuskartoitus; kasvisto; Suomi
English keywords: Finland; vascular plants; nature reserves; vegetation analysis; national parks; flora; herb-rich forests
Abstract | View details | Full text in PDF | Author Info

The Sinivuori Nature Park, located in the northeast part of the county of Häme in Southern Finland represents the rare fertile forest lands in the country, and belong partly to the so-called centre of herb‐rich forests of Häme. Sinivuori is one of the smallest nature reserves in Finland (64 ha). The detailed vegetation analysis was performed in 1969, supplemented by earlier and later observations. The area was divided into 69 one-hectare squares for the study of the flora and vegetation.

The most common rock in the park is mica schist. The pH of the soil is relatively high, in average 6.6. Thermal-time sum is 1,100–1,200. The vegetation differs to a large extent from the surrounding areas. 169 vascular plants were found in the area, some of which very rare in the area. The paper lists the plants and their abundance in the area, and the vegetation is described by the forest types. Distribution maps are presented for the species.

The PDF includes a summary in German.

  • Rutanen, E-mail: kr@mm.unknown (email)
article id 4640, category Article
Jaakko Jalas. (1953). Rokua : suunnitellun kansallispuiston kasvillisuus ja kasvisto. Silva Fennica no. 81 article id 4640. https://doi.org/10.14214/sf.a9102
English title: Vegetation and flora in the planned national park of Rokua in Northern Finland.
Original keywords: kasvillisuus; kasvisto; luonnonsuojelu; kansallispuistot; Rokua; Rokuan kansallispuisto; Suomi
English keywords: lichen; vegetation; Finland; northern Finland; nature conservation; vascular plants; national parks; flora
Abstract | View details | Full text in PDF | Author Info

The 4.4 km2 sized area of Rokua is a sandy ridge situated in the transitional zone between Central and Northern Finland. It has been suggested to become a new national park due to its, in the area unique landscape and geological characteristics.

The vegetation of the area has been little studied. A vegetation analysis was performed in 1945, 1947 and 1949. Due to low nutrients in the sandy soil, the number of species is relatively low, including 236 vascular plants. The climate is continental. Lichen covering of soil in the Scots pine (Pinus sylvestris L.) dominated forests is mostly intact compared to the more northern areas, because grazing of reindeer has been little. Fellings have increased in the surrounding areas of the planned national park. The article includes a detailed description of vegetation and flora in the area.

The article includes a summary in German.

  • Jalas, E-mail: jj@mm.unknown (email)
article id 4597, category Article
Lauri Teivainen. (1949). Pisavaaran luonnonpuiston metsäkasvillisuudesta ja kasvistosta. Silva Fennica no. 65 article id 4597. https://doi.org/10.14214/sf.a13978
English title: Forest vegetation and flora of Pisavaara national park.
Original keywords: Pohjois-Suomi; kasvillisuus; luonnonpuistot; putkilokasvit; metsätyyppi; Pisavaaran luonnonpuisto; Tervola; metsät; kasvupaikkatyyppi
English keywords: vegetation; northern Finland; forests; vascular plants; national parks; Pisavaara national park; forest type; vegetation type
Abstract | View details | Full text in PDF | Author Info

A vegetation survey was conducted in the Pisavaara national park in Northern Finland in 1946 and 1947. The national park (49,9 km2) includes southern half of the Pisavaara hills. The rock is quartzite. The most common vegetation type is dry upland forest type, but also fresh mineral soil sites are typical for the area.

The most common forest type, Empetrum-Myrtillus type coveres almost as much of the area as all the other forest types combined. The article describes in detail the vegetation of all forest types and gives a complete list of all plant species found in the survey. Total of 291 vascular plants was found, 242 of which were native to the area. In addition, 49 anthropochores had spread to the area when the forest ranger’s cottage was built. Number of species growing in the northern edge of their natural range is. Southern species can be found in the southern slopes of the hill.

The article includes an abstract in German.

  • Teivainen, E-mail: lt@mm.unknown (email)
article id 4522, category Article
A. V. Auer. (1937). Muhkurin kasvisto. Silva Fennica no. 41 article id 4522. https://doi.org/10.14214/sf.a9067
English title: Vegetation in Muhkuri experimental area in southwest Finland.
Original keywords: kasvillisuus; kasvillisuuskartoitus; kasvisto; Turku; putkilokasvit; tammi
English keywords: Quercus robur; vascular plants; vegetation analysis; oak
Abstract | View details | Full text in PDF | Author Info

A vegetation analysis was performed in Muhkuri experimental area of the Forest Research Institute. The area is located in southwest Finland near city of Turku. The dominant tree species of the area is oak (Quercus robur L.) which can be found in all the area. Common woody species are also aspen (Populus tremula L.), mountain ash (Sorbus aucuparia L.), hazel (Corylus avellana L.), juniper (Juniperus communis L.) and mountain currant (Ribes alpinum L.). A total of 198 vascular plants were found in the area, 34 of which were common in most parts of the area. Typical vegetation of different parts of the area is described. Finally, a list of all plant species is presented in the article.

The PDF includes a summary in German.

  • Auer, E-mail: aa@mm.unknown (email)

Category : Research article

article id 10598, category Research article
Argo Orumaa, Kajar Köster, Arvo Tullus, Tea Tullus, Marek Metslaid. (2022). Forest fires have long-term effects on the composition of vascular plants and bryophytes in Scots pine forests of hemiboreal Estonia. Silva Fennica vol. 56 no. 1 article id 10598. https://doi.org/10.14214/sf.10598
Keywords: disturbance; bryophytes; understorey vegetation; vascular plants; hemiboreal forest; fire chronosequence; wildfire
Highlights: We recorded 31 vascular plant and 39 bryophyte species in a chronosequence of Scots pine stands with 12–183 years since fire; Time since fire affected the compositional patterns of vascular plants and bryophytes; The richness of liverworts was higher in recently burned stands due to the presence of Cephaloziella spp.; The richness of dwarf-shrubs increased with longer period since fire.
Abstract | Full text in HTML | Full text in PDF | Author Info

Since fire frequency is expected to increase globally due to climate change, it is important to understand its effects on forest ecosystems. We studied the long-term patterns in species diversity, cover and composition of vascular plants and bryophytes after forest fire and the site-related factors behind them. Research was carried out in northwestern Estonia, using a chronosequence of Scots pine (Pinus sylvestris L.) stands, located on nutrient poor sandy soils, where fires had occurred 12, 23, 38, 69, 80 and 183 years ago. In every stand three 100 m2 vegetation plots were established to collect floristic and environmental information. The effects on floristic characteristics of time since fire, light, and soil variables were evaluated with linear mixed models, followed by backward variable selection. Compositional variation was analysed with non-metric multidimensional scaling, Multi-response Permutation Procedures, and Indicator Species Analysis. Altogether, 31 vascular plant and 39 bryophyte species were found in vegetation plots. The cover of the vascular plant and bryophyte layers increased with a longer time since fire. Soil and light variables impacted the richness of several vascular plant and bryophyte groups, whereas only the richness of liverworts and dwarf-shrubs correlated with time since fire. Considerable compositional differences were observed in vascular plant and bryophyte assemblages between recently vs. long-time ago burned stands. To conclude, time since fire significantly impacted compositional patterns of vascular plants and bryophytes in pine forests on nutrient poor soils, although time-related trends in species richness were less evident.

  • Orumaa, Institute of Forestry and Engineering, Estonian University of Life Sciences, Kreutzwaldi 5, 51006, Tartu, Estonia E-mail: argo.orumaa@emu.ee (email)
  • Köster, Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 111 (Yliopistokatu 7), 80130, Joensuu, Finland E-mail: kajar.koster@helsinki.fi
  • Tullus, Department of Botany, Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu, 51003, Estonia E-mail: arvo.tullus@ut.ee
  • Tullus, Institute of Forestry and Engineering, Estonian University of Life Sciences, Kreutzwaldi 5, 51006, Tartu, Estonia E-mail: tea.tullus@emu.ee
  • Metslaid, Institute of Forestry and Engineering, Estonian University of Life Sciences, Kreutzwaldi 5, 51006, Tartu, Estonia E-mail: marek.metslaid@emu.ee

Category : Research note

article id 1321, category Research note
Sofia Bäcklund, Mari T. Jönsson, Joachim Strengbom, Göran Thor. (2015). Composition of functional groups of ground vegetation differ between planted stands of non-native Pinus contorta and native Pinus sylvestris and Picea abies in northern Sweden. Silva Fennica vol. 49 no. 2 article id 1321. https://doi.org/10.14214/sf.1321
Keywords: boreal forests; bryophytes; managed forests; introduced species; exotics; lichens; vascular plants
Highlights: Differences in ground vegetation patterns can be linked to tree species, forest stand age and differences in canopy cover; Vascular plant cover was higher in stands of P. contorta than in stands of both native tree species; The overall differences and similarities between P. contorta and the two native conifers were not consistent over the different age classes.
Abstract | Full text in HTML | Full text in PDF | Author Info
Intensified forestry increases the interest in replacing native tree species with fast growing non-native species. However, consequences for native biodiversity and ecosystem functioning are poorly understood. We compared cover and composition of major functional groups of ground vegetation between planted stands of non-native Pinus contorta Dougl. var. latifolia Engelm. and native conifers Pinus sylvestris L. and Picea abies (L.) H. Karst. in northern boreal Sweden. We quantified the ground cover of lichens, bryophytes, vascular plants and ground without vegetation (bare ground) in 96 stands covering three different age classes (15, 30 and 85 years old). Our study revealed differences in ground vegetation patterns between non-native and native managed forests, and that these differences are linked to stand age and differences in canopy cover. Total vascular plant cover increased with increasing stand age for all tree species, with P. contorta stands having higher cover than both native conifers. The ground cover of lichens was, although generally low, highest in stands of Pinus sylvestris. P. abies stands had a lower cover of vascular plants, but bare ground was more common compared with P. contorta. Our results suggest that the use of P. contorta as an alternative tree species in Fennoscandian forestry will influence native ground vegetation patterns. This influence is likely to change with time and future research should consider both temporal and landscape-scale effects from shifting tree-species dominance to Pinus contorta and other non-native tree species.
  • Bäcklund, Department of Ecology, Swedish University of Agricultural Sciences, P.O. Box 7044, SE-750 07 Uppsala, Sweden E-mail: sofia.backlund@slu.se (email)
  • Jönsson,  The Swedish Species Information Centre, P.O. Box 7007, SE-750 07 Uppsala, Sweden E-mail: mari.jonsson@slu.se
  • Strengbom, Department of Ecology, Swedish University of Agricultural Sciences, P.O. Box 7044, SE-750 07 Uppsala, Sweden E-mail: joachim.strengbom@slu.se
  • Thor, Department of Ecology, Swedish University of Agricultural Sciences, P.O. Box 7044, SE-750 07 Uppsala, Sweden E-mail: goran.thor@slu.se

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