Access

You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:

login

Log in to your personal account or through your institution.

If You Use a Screen Reader

This content is available through Read Online (Free) program, which relies on page scans. Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.

Ecotoxicology of Copper and Cadmium in a Contaminated Grassland Ecosystem. I. Soil and Vegetation Contamination

B. A. Hunter, M. S. Johnson and D. J. Thompson
Journal of Applied Ecology
Vol. 24, No. 2 (Aug., 1987), pp. 573-586
DOI: 10.2307/2403894
Stable URL: http://www.jstor.org/stable/2403894
Page Count: 14
  • Read Online (Free)
  • Download ($18.00)
  • Subscribe ($19.50)
  • Cite this Item
Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Ecotoxicology of Copper and Cadmium in a Contaminated Grassland Ecosystem. I. Soil and Vegetation Contamination
Preview not available

Abstract

(1) Emissions of cadmium and copper from a metal refinery caused widespread contamination of soil and vegetation. Dispersal followed an exponential decay away from the source area with elevated levels persisting to 3 km from the refinery. (2) Soil profiles were characterized by surface retention of metals which was more prominent for copper than for cadmium. (3) The flora indigenous to the refinery was of low diversity and dominated by metaltolerant populations of Agrostis stolonifera and Festuca rubra. (4) Vegetation levels of copper and cadmium showed marked seasonal variation in contaminated sites, with peak values occurring in the winter months. The increased levels were from a combination of root absorption and accumulation of particulates adhered to external leaf surfaces. (5) Sequential soil extractions and vegetation analysis implied a much greater mobility of cadmium compared to copper.

Page Thumbnails

  • Thumbnail: Page 
[573]
    [573]
  • Thumbnail: Page 
574
    574
  • Thumbnail: Page 
575
    575
  • Thumbnail: Page 
576
    576
  • Thumbnail: Page 
577
    577
  • Thumbnail: Page 
578
    578
  • Thumbnail: Page 
579
    579
  • Thumbnail: Page 
580
    580
  • Thumbnail: Page 
581
    581
  • Thumbnail: Page 
582
    582
  • Thumbnail: Page 
583
    583
  • Thumbnail: Page 
584
    584
  • Thumbnail: Page 
585
    585
  • Thumbnail: Page 
586
    586