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The paper presents an assessment of vegetation (composition and cover-abundance), nutrient supply, and especially sulfur accumulation in the trees foliage (birch and pine) used in reforestation and wood small-reed (Calamagrostis epigejos (L.) Roth) appearing in succession on reclaimed areas of the former Jeziórko sulfur mine (southern Poland, Tarnobrzeg region). In researched area, three categories of vegetation cover were determined: category D-degraded and unsuccessfully reforested plots, and two categories with successful reforestation: P-pine and B-birch stands. On each category, four study plots (4-6 areas each, depends on site category) were established. Soil and vegetation samplings (current year and 2-year-old pine needles, birch leaves, and wood small-reed foliage) were collected on the subplots established in regular grid square (10 × 10 m) in each category. Basic soil properties and nutrient content in soils and vegetation were analyzed. Trees grew well in areas where neutralization and reclamation treatments were carried out properly and showed a good supply of nutrients (exception of phosphorus and nitrogen), while on category D, only herbaceous vegetation with low cover-abundance and dominated by wood small-reed were noted. Linear correlations between the soil and trees nutrients content occurred, while the correlations between the soil and wood small-reed did not occur. Wood small-reed did not display increased sulfur uptake which may indicate a strategy of blocking pollutant uptake from the soil and may be recommended as a species resistant to sulfurous soils.

environmental science and pollution research international

Vegetation development and nutrients supply of trees in habitats with high sulfur concentration in reclaimed former sulfur mines Jeziórko (Southern Poland)