Did the ambient ozone affect forest ecosystems in the Baltic region?

Augustaitis, A., Lithuanian Univ. of Agriculture, Akademija, Kauno reg.

Did the ambient ozone affect forest ecosystems in the Baltic region?

2007

Augustaitis, A., Lithuanian Univ. of Agriculture, Akademija, Kauno reg. (Lithuania)

The presented study aimed to explore the relationships between different indices of ambient ozone (O3) and tree defoliation, radial increment, and specific diversity and abundance of soil micro-arthropods, stream macro-invertebrates, small mammals (mainly rodents) in order to test the hypothesis that changes in the considered objects of forest ecosystem could be related to changes in ambient ozone concentration. The observations have been carried out on 3 integrated monitoring stations located in Aukstaitija (LT-01), Dzukija (LT-02) National Parks (NPs) since 1994, and Zemaitija (LT-03) NP since 1995. The obtained data revealed that only peak ozone concentrations (from 125 to 215 mug mE-3) had significant effect on changes in the considered components of forest biota. Radial increment and crown defoliation of Scots pine, a little lower the diversity of soil microarthropods, and the least diversity of small mammals were found to be the most sensitive to ozone exposure.

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Mots clés AGROVOC

air pollution arthropoda bosques copa crown defoliation diameter increment ecosistema ecosystems environmental factors facteur du milieu factores ambientales forest ecology forests forma arborescente houppier latvia letonia lettonie lithuania lituania lituanie mammals ozone ozono port arborescent recherche research tree form

Informations bibliographiques

Editeur

Latvia University of Agriculture

Pagination

p. 135-142

D'autres materias

Accroissement du diametre; Mammifere; Pollution atmospherique; Foret; Defoliacion; Polucion del aire; Incremento de diametro; Ecologie forestiere; Investigacion; Ecosysteme; Ecologia forestal; Mamiferos

Langue

anglais

Note

Summary (En)

2 tables, 3 fig., 45 ref.

Type

Conference; Summary

Source

Research for Rural Development 2007. International Scientific Conference Proceedings, Latvia Univ. of Agriculture, Jelgava (Latvia).- Jelgava (Latvia): Latvia University of Agriculture, 2007. International Scientific Conference: Research for Rural Development 2007,International Scientific Conference: Research for Rural Development 2007, 13, Jelgava (Latvia), 16-18 May 2007.- p. 135-142

Conférence

International Scientific Conference: Research for Rural Development 2007, 13, Jelgava (Latvia), 16-18 May 2007

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