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Notes: Locating Tree Seed Caches of Small Mammals With a Radioisotope

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Caches of eastern white pine (Pinus strobus L.) seeds made by small mammals were successfully located by exposing seeds treated with scandium46 and using a portable survey meter and gamma scintillation probe to find them afterthey were buried in the forest floor. Radio-tagged seeds were mixed with untagged ones at a ratio of 1:39. A typical cache contained 20 to 30 seeds buried just below the litter of 2 to 4 inches of pine needles. Many caches, including those containing only a single radioactive seed, were precisely located. Forest Sci. 16: 147-148.

Keywords: Pinus strobus; Radio-tagged seeds; scandium

Document Type: News

Affiliations: Professor, Dep. of Veterinary and Animal Sciences, Univ. of Massachusetts, Amherst

Publication date: 1970-06-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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