Effects of Zinc Smelter Emissions and Fire on a Chestnut-Oak Woodland

Ecology ◽  
1975 ◽  
Vol 56 (1) ◽  
pp. 78-91 ◽  
Author(s):  
Marilyn J. Jordan
Keyword(s):  
Oak Woodland ◽  
Zinc Smelter ◽  
Smelter Emissions

scholarly journals Generative reproduction of Vaccinium myrtillus in laboratory conditions and the influence of zinc-smelter emissions on it

2014 ◽  
Vol 50 (4) ◽  
pp. 663-672 ◽  
Author(s):  
Zuzanna Czuchajowska ◽  
Teresa Strączek
Keyword(s):  
Filter Paper ◽  
Forest Stand ◽  
Vaccinium Myrtillus ◽  
Zinc Smelter ◽  
Laboratory Conditions ◽  
Smelter Emissions ◽  
Parameter Point

The germination of <em>Vaccinium myrtillus</em> seeds and the development of the seedlings in laboratory conditions are described. The dynamics, the power of germinaltion and Pieper coefficients for the seeds were strongly influenced by the intensity of zinc-,smelter pollution of the forest stand from which they originated. The rates of survival were also estimated for seedlings transferred from filter-;paper into polluted and unpolluted samples of soil and litter. The differences noticed in the latter parameter point to the possibility of formation in the polluted stand of ecotypes more resistant to the influence of pollution than the original ones.

Effects of zinc-smelter emissions on forest soil microflora

1975 ◽  
Vol 21 (11) ◽  
pp. 1855-1865 ◽  
Author(s):  
Marilyn J. Jordan ◽  
Mary P. Lechevalier
Keyword(s):  
Soil Ph ◽  
Contaminated Soils ◽  
Normal Growth ◽  
Soil Microflora ◽  
Microbial Populations ◽  
Zinc Smelter ◽  
Plate Counts ◽  
Selection For ◽  
Spore Forming Bacteria ◽  
Smelter Emissions

Within 2 km of a zinc (Zn) smelter in Palmerton, Pennsylvania, near the Lehigh Water Gap, up to 13.5% Zn by weight has been measured in the O2 horizon of the soil, and up to 8% Zn in the A1 horizon. The total numbers of bacteria, actinomycetes, and fungi (measured by dilution plate counts) were greatly reduced in the most severely Zn-contaminated soils compared with control soils. The reduction of microbial populations may be a partial cause of the decreased rate of litter decomposition at Lehigh Gap.Growth of most bacteria from control sites was reduced by 100 to 200 μM Zn, most actinomycetes by 100 μM Zn, and most fungi by 100 to 1000 μM Zn in thin-Pablum extract agar (TPab). All the tested actinomycetes and non-spore-forming bacteria isolated from Zn-contaminated Lehigh Gap soils were Zn-tolerant, growing normally in media containing 600-2000 μM Zn. Most fungi, regardless of source, were capable of at least 50% of normal growth at 700 μM Zn. Zinc-tolerant bacteria, actinomycetes, and fungi were readily isolated from low-Zn soils, suggesting that selection for Zn tolerance may proceed rapidly.Acidophilic Mortierella species have been selectively eliminated near the smelter, apparently because of elevated soil pH. Peyronellaea glomerata (Corda) Goidanich and Coniothyrium spp. were found only in the high-Zn soils.

Water quality improvements in the Sudbury, Ontario, Canada area related to reduced smelter emissions

1986 ◽  
Vol 31 (3-4) ◽  
pp. 765-774 ◽  
Author(s):  
W. Keller ◽  
J. Roger Pitblado ◽  
N. I. Conroy
Keyword(s):  
Water Quality ◽  
Quality Improvements ◽  
Smelter Emissions
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