Dispersal of Quercus mongolica acorns in a broadleaved deciduous forest 2. Scatterhoarding by mice |
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| Affiliation: | 1. Department of Genomic Psychiatry and Behavioral Genomics (DGPBG), Roozbeh Hospital, School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran;2. Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran;3. Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran;4. Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran;5. Iranian Research Center on Aging, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran |
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| Abstract: | Acorn transporting and hoarding, distribution, and utilization by mice of hoarded acorns were studied. Apodemus speciosus and A. argentus were observed to transport acorns. An individual A. speciosus observed scatterhoarded at least 49% of acorns transported. The rate of acorn utilization was higher in locations where two or more acorns were buried than where a single acorn was buried. Forty-seven percent of scatterhoarded acorns disappeared before snow cover and 99% before the next spring. Based on the extent of home ranges for mice, dispersal distance is presumed to be from 30 to 40 m. |
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