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Water, Air, & Soil Pollution: Focus

, Volume 3, Issue 5–6, pp 277–287 | Cite as

Air Pollution Effects on Forest Trees in Balikesir, Turkey

  • M. Omer Karaoz
Article
  • 63 Downloads

Abstract

Air pollution has become an actual problem in Balikesir because of rapid urbanisation and increasing of the polluting sources. Air pollutionproblems occur under the unfavorable meteorological conditions which increase in frequency of occurrence in winter due to use of low quality lignite coals for heating. The `Protection of Air Quality' in Turkey dated 1986 is based on the human health criteria. But the critical limit values are lethal for the forest trees as far as SO2 is concerned. The field observations showed that leaves of the trees have yellow spots indicating acid burns in Balikesir. This study aims at determining the relationships between the SO2 concentrationsin the air under selected climatic conditions, and the effects of air pollution on forest trees in Balikesir. Samples of leaves were collected from the City Parks in Balikesir, Değirmenboğazı forested area located 10 km far fromBalikesiron the Balikesir-Bursa highway, and from the forestation areas near the Balikesir-Edremit highway. Sulfur contents of the leaves were very high especially in the city (2650–5300 μg m-3).Samples from other areas had values lower than this range but above the usual values (850–3612 μg m-3). The diameter increments of the trees were found to be lower and these results clearly showed the adverse impacts. Negative correlations were found between these sulfur concentrations and the daily mean temperatures and wind speeds. Positive correlation was seen between these concentrations and pressures, humidities. Emission sources must be controlled in order to safeguard the forests which protects the soil, facilitate water production, assimilate carbon dioxide in air and produce oxygen. It must be considered that the problems are not only regional but have a global identity.

air pollution air pollution impacts on Pinus brutia air pollution impacts on Pinus nigra forests forest impacts of air pollution in Turkey sulfur dioxide 

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Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • M. Omer Karaoz
    • 1
  1. 1.Soil Science and Ecology Department, Faculty of ForestryIstanbul UniversityBahcekoy, IstanbulTurkey

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