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Title: Larger chimpanzee-dispersed seeds are elongated at Mahale, Tanzania: Possible consequence of plant-disperser interaction?
Authors: Nakamura, Michio  kyouindb  KAKEN_id
Itoh, Noriko
Author's alias: 中村, 美知夫
伊藤, 詞子
Keywords: Endozoochory
Mahale Mountains National Park
Pan troglodytes
Seed dispersal
Seed volume
Issue Date: 5-Mar-2015
Publisher: Cambridge University Press
Journal title: Journal of Tropical Ecology
Volume: 31
Issue: 2
Start page: 183
End page: 186
Abstract: Apes are important long-distance dispersers of large seeds in African tropical forests. Seed size and shape are likely to affect the ease of swallowing for an animal species. If an endozoochorous seed is larger than the digestive tract of an animal, the seed cannot be swallowed, and a round seed is more difficult to swallow than an elongated seed of the same length. In order to test if such a correlation exists between the seed size and its shape, we investigated the length and width of chimpanzee-dispersed seeds at the Mahale Mountains National Park, Tanzania. Among the 14 species of seeds, longer seeds had significantly narrower relative widths, and thus, they were more ovoid. Since the chimpanzee is the largest arboreal frugivore at Mahale, their food selection might have influenced the shape of larger seeds. The chimpanzee's selective consumption of such fruits with longer, elongated seeds may have facilitated the selective dispersal of such plant species in that area.
Rights: This is the author’s version of the following article. Nakamura M, Itoh N 2015. Larger chimpanzee-dispersed seeds are elongated at Mahale, Tanzania: possible consequence of plant-disperser interaction? Journal of Tropical Ecology 31:183–186. https://doi.org/10.1017/S0266467414000765
© Cambridge University Press 2015
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/218344
DOI(Published Version): 10.1017/S0266467414000765
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