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 need an accessible version of this item please contact JSTOR User Support

Lead Shot Incidence in Sediments and Waterfowl Gizzards from Merrymeeting Bay, Maine

Jerry R. Longcore, Patrick O. Corr and Howard E. Spencer, Jr.
Wildlife Society Bulletin (1973-2006)
Vol. 10, No. 1 (Spring, 1982), pp. 3-10
Published by: Wiley on behalf of the Wildlife Society
Stable URL: http://www.jstor.org/stable/3781795
Page Count: 8
  • Get Access
  • Download ($42.00)
  • Cite this Item
If you need an accessible version of this item please contact JSTOR User Support
Lead Shot Incidence in Sediments and Waterfowl Gizzards from Merrymeeting Bay, Maine
Preview not available

Abstract

Lead shot in bottom sediments from Merrymeeting Bay, Maine, averaged 99,932 shot/ha. More shot (P < 0.05) was present in silt sediments than in sand sediments. Number 6 size shot was the most abundant in all 6 river deltas sampled. Ingested lead shot occurred in gizzards of 6 of 10 waterfowl species. Lead shot occurred in 5.9-8.1% of the black ducks (Anas rubripes) sampled during the hunting seasons of 1976-80. A comparison of 3 gizzard examination methods showed that visual examination of gizzard contents and x-ray examination of contents did not differ in accuracy, but fluoroscopic x-ray examination of intact gizzards was not satisfactory for detecting ingested shot. Projected waterfowl mortality and the effectiveness of the steel shot regulation in reducing lead deposition into the environment are discussed.

Page Thumbnails

  • Thumbnail: Page 
[3]
    [3]
  • Thumbnail: Page 
4
    4
  • Thumbnail: Page 
5
    5
  • Thumbnail: Page 
6
    6
  • Thumbnail: Page 
7
    7
  • Thumbnail: Page 
8
    8
  • Thumbnail: Page 
9
    9
  • Thumbnail: Page 
10
    10