Fruit shape variation in Fraxinus mandshurica var. japonica characterized using elliptic Fourier descriptors and the effect on flight duration

Fruit shape variation in Fraxinus mandshurica var. japonica was characterized using principal component analysis of elliptic Fourier descriptors (EFDs), and experimental release of the fruits from a 8.3‐m tower was conducted to examine the effect of fruit shape on flight ability. The differences in...

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Bibliographic Details
Published in:Ecological research 2005-11, Vol.20 (6), p.733-738
Main Authors: Goto, Susumu, Iwata, Hiroyoshi, Shibano, Shinsaku, Ohya, Kazumi, Suzuki, Akira, Ogawa, Hitomi
Format: Article
Language:English
Subjects:
Elliptic Fourier descriptors
Flight duration
Fraxinus mandshurica
Fraxinus mandshurica japonica
Fruit shape
Fruits
Morphology
Plant populations
Principal component analysis
Principal components analysis
Trees
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Summary:Fruit shape variation in Fraxinus mandshurica var. japonica was characterized using principal component analysis of elliptic Fourier descriptors (EFDs), and experimental release of the fruits from a 8.3‐m tower was conducted to examine the effect of fruit shape on flight ability. The differences in the first five components of symmetrical variation in fruit shape, area and weight were highly significant among individual trees. Experimental release of fruits indicated that three principal components of fruit shape, area and weight were significantly related to flight duration. Thus, intraspecific morphological variation of fruits will affect the dispersion potential of individual trees.
ISSN:0912-3814
1440-1703
DOI:10.1007/s11284-005-0090-5