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Articles containing the keyword 'plant geography'

Category : Article

article id 4475, category Article
Olavi Cajander. (1934). Viljavan maa-alan jakautumisesta sekä lehtokasvillisuudesta ja -kasvistosta keskisen Längelmäveden seudulla. Silva Fennica no. 34 article id 4475. https://doi.org/10.14214/sf.a9047
English title: Distribution of fertile lands and vegetation indicative for herb-rich forest sites in Längelmävesi area in Southern Finland.
Original keywords: kasvillisuus; Häme; lehdot; Satakunta; viljavuus; viljava maa
English keywords: fertility; plant geography; herb-rich forest sites; vegetation analysis
Abstract | View details | Full text in PDF | Author Info

Typical for the area of Längälmävesi, in Satakunta in Southern Finland, are densely populated fertile lowland areas near the waterways and poorer sparcely populated upland areas. The changes in fertility of the land influence the vegetation, and has directed where the population has settled. A vegetation survey was made using specific plant species as indication to fertility. A detailed description of the species composition and distribution of the plant species indicative for fertile land is presented in the article.

Analyzing the fertility only based on the plant species indicative for rich soils underestimates the proportion of fertile lands. Farmlands, on the other hand, have been cleared also on less fertile soils, which would give an overestimate of the fertile lands. A map of fertile lands was drawn based on both vegetation and location of the fields. The changes in fertility influenced also bird species observed in the area.

The PDF includes a summary in German.

  • Cajander, E-mail: oc@mm.unknown (email)

Category : Article

article id 7101, category Article
J. P. Norrlin. (1923). Lectio praecursoria (the opening presentation) of J. P. Norrlin at his public defence of a doctoral thesis on may 13th 1871. Acta Forestalia Fennica vol. 23 no. 2 article id 7101. https://doi.org/10.14214/aff.7101
Keywords: plant geography; Scandinavia; Norrlin; dissertation; biogeography
Abstract | View details | Full text in PDF | Author Info

The text is the opening presentation by the author at his public defence of his doctoral thesis on plant geography of Finland. The text discusses the principles that apply on plant geographical classification of earth with respect to characteristics of vegetation and gives an oversight on the plant geographical work conducted in Scandinavia. 

  • Norrlin, E-mail: jn@mm.unknown (email)

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