Changes in the spruce forests of the Polish Tatra Mts. during the last 80 years

• Autorzy: Kozłowska A.
• Języki publikacji: EN

Abstrakty

EN

On the basis of the historical (dating from the 1920s) and contemporary phytosociological relevés, taken in the spruce forests of the Polish Tatra Mts., the changes were determined that took place in these forests. This area had been for centuries under the influence of human economic activities, mainly pasturing and wood extraction, and then protected in the Tatra National Park. These changes differ according to the altitudinal vegetation belts. In the coniferous forests of the upper montane belt, the changes due to wind breaks or tree stand ageing did not lead to transition to other forest associations. A tendency can yet be noticed of losing a part of the species combinations characteristic for the associations or higher syntaxonomic units, which might be linked with the stopping of grazing in the forests and development of the undergrowth of tall herb character. The association of the fir-and-spruce forests in the lower montane belt displayed much bigger changes. There was an increase of the role of species of the deciduous forests, while the role of the coniferous forest species was limited in the studied patches, which clearly indicates the evolution of the forests towards the beech woods, typical for the lower montane belt. This means a progressing limitation of the spruce forests in the limestone Tatras to the advantage of return of the beech woodsdominated there in older time.

Słowa kluczowe

EN

spruce forests; Polish Tatra Mts.; floristic changes during 80 years; vegetation typology

• Wydawca: Stowarzyszenie Geomorfologów Polskich
• Czasopismo: Landform Analysis
• Rocznik: 2009
• Tom: Vol. 10
• Strony: 64--69
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Kozłowska A.

• Polish Academy of Sciences, Institute of Geography and Spatial Organization, Department of Geoecology and Climatology, Twarda 51/55, 00-818 Warszawa, Poland,

Bibliografia

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