Notes: Locating Tree Seed Caches of Small Mammals With a Radioisotope
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.
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Document Type: News
Affiliations: Professor, Dep. of Veterinary and Animal Sciences, Univ. of Massachusetts, Amherst
Publication date: 1970-06-01
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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.
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