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Articles containing the keyword 'jalava'

Category : Article

article id 4627, category Article
Paavo Jaakko Ollinmaa. (1952). Jalot lehtipuumme luontaisina ja viljeltyinä. Silva Fennica no. 77 article id 4627. https://doi.org/10.14214/sf.a9099
English title: Native and cultivated southern broadleaved tree species in Finland.
Original keywords: tammi; levinneisyys; jalava; kynäjalava; vuorijalava; jalot lehtipuut; lehmus; metsälehmus; metsävaahtera; saarni; puulajit; pohjoisraja
English keywords: deciduous trees; distribution; Quercus robur; small-leaved lime; elm; European white elm; broad-leaved trees; northern limit; Ulmus glabra; Ulmus laevis; wych elm; English oak; Norway maple; Acer platanoides; Tilia cordata; European ash; Fraxinus exelsior
Abstract | View details | Full text in PDF | Author Info

The aim of the study was to update knowledge of natural range of English oak (Quercus robur L.), European ash (Fraxinus exelsior L.), Norway maple (Acer platanoides L.), small-leaved lime (Tilia cordata Miller), wych elm (Ulmus glabra Mill.) and European white elm (Ulmus laevis Pall.) in Finland, and estimate how far north they could be grown as forest trees or as park trees. The study is based on literature and questionnaires sent to cities and towns, District Forestry Boards, districts of Forest Service, Forestry Management Associations and railway stations.

The northern borders in the natural range of the species succeed one another from south to north as follows: English oak, European ash, Norway maple, wych elm, and small-leaved lime. Occurrence of European white elm is sporadic. The English oak forms forests in the southernmost Finland, while the other species grow only as small stands, groups or solitary trees. According to experiences of planted stands or trees, the northern limits of the species succeed one another from south to north as follows: European ash, English oak, Norway maple, European white elm, wych elm and small-leaved lime. All the species are grown in parks fairly generally up to the district of Kuopio-Vaasa (63 °). The northern limits where the species can be grown as park trees reach considerably further north in the western part of the country than in the east.

The article includes a summary in English.

  • Ollinmaa, E-mail: po@mm.unknown (email)
article id 4578, category Article
Sakari Saarnijoki. (1942). Jalavan esiintymisestä Pyhäjärven, Kokemäenjoen vesistön keskusjärven tulvarannoilla. Silva Fennica no. 58 article id 4578. https://doi.org/10.14214/sf.a9082
English title: Distribution of European white elm in flooded shores of the central lake of Pyhäjärvi and Kokemäenjoki water system.
Original keywords: levinneisyys; jalava; kynäjalava; vuorijalava; rantametsä; tulva-alueet; Ulmus glabra; Ulmus laevis; Ulmus montana; uudistuminen
English keywords: regeneration; distribution; elm; European white elm; coastal forests; flood plains
Abstract | View details | Full text in PDF | Author Info

Distribution of European white elm (Ulmus laevis Pallas) is on its northernmost border in Pyhäjärvi and Kokemäenjoki area. This survey describes distribution of European white elm in the flooded shores of the central lake of Pyhäjärvi and Kokemäenjoki river water system.

Both Ulmus laevis and U. montana (now U. Glabra Hudson) can be found in the area, but most of the elms qrowing in thea area are U. laevis. U. laevis occurs around the lake in two separate areas, almost entirely in flooded shores of the lake. Regeneration of elm from seeds was limited on a narrow belt on the higher part of the flooded shore. Consequently, U. laevis can be found as zones around the lake, created by the changes in water level of the lake. The trees are judged to be native for the area.

The article includes an abstract in German.

  • Saarnijoki, E-mail: ss@mm.unknown (email)

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