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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 32, No. 4, 2011, pp. 435-441
Bioline Code: zr11061
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 32, No. 4, 2011, pp. 435-441

 en Effects of Pinus armandii check for this species in other resources seed size on rodents caching behavior and it's spatio-temporal variations
Chen, Fan & Chen, Jin

Abstract

Pinus armandii check for this species in other resources , a native pine species, has large (about 300 mg), wingless seeds, and distributes from central to western China at an altitude of 1 000 - 3 300 m. To determine how the seed size affects rodents caching behavior, tagged seed releasing and tracking experiments were conducted at 3 sites in Northwest Yunnan province in 2006 and 2007. Our data indicated that for all sites and both years, compared with the smaller seeds, the proportions of cached large seeds were significantly higher, whereas the consumed ones were significantly lower. Meanwhile, the mean and maximum values of caching distances were also significantly increased in large seeds. Seed fate was different between the two years and within the three sites as there have different rodent community compositions.

Keywords
Pinus armandi; Rodents; Seed dispersal;Seed fate; Scatter-hoarding; Caching distance

 
© Copyright 2011 Kunming Institute of Zoology, the Chinese Academy of Sciences
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