NDLI: Does fruiting phenology vary with fruit syndrome? An investigation on animal-dispersed tree species in an evergreen forest in south-western Cameroon

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Ecological Research : Volume 14, Issue 3, September 1999

Ecological Research : Volume 14, Issue 2, June 1999

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Ecological Research : Volume 13

Ecological Research : Volume 12

Does fruiting phenology vary with fruit syndrome? An investigation on animal-dispersed tree species in an evergreen forest in south-western Cameroon

Content Provider	Springer Nature Link
Author	Mitani, Masazumi
Copyright Year	1999
Abstract	Fruit syndrome found in zoochorous plants is regarded as a result of hypothetical coevolution with a seed disperser/predator. Fruiting phenology was compared among two representative syndromes, such as bird–monkey syndrome (BM) and ruminant–rodent–elephant syndrome (RRE), plus the gravity dispersal species for comparison, in south-western Cameroon in order to examine which biotic or abiotic factors educed syndrome variation. The individual size of selected plants (> 1.6 m in height) was recorded in a 16.95-ha area for recruitment estimation and their fruiting behaviour was checked for 9 months from June 1985 to February 1986. The BM species, a suggested successful group, fruited in a less synchronous manner within species and had fruiting peaks just before and during the rainy season. The RRE species, a suggested failing group, showed greater variation within syndrome in fruiting timing, duration and synchronization. Results obtained supported no clear phenological response to corresponding vertebrates except for the case of Sacoglottis gabonensis in the RRE. The reason for concealing potential responses is probably a result of conflicting requirements for seed dispersal and offspring survival. Periodical fruiting of the BM is likely to reflect ecological constraint, such as water stress on seedlings, caused from syndrome-specific morphological limitation. In this case, the animals have indirect effects on fruiting phenology through selecting syndrome-specific fruit morphology. The greater variation of the RRE suggests a broad spectrum of dispersal tactics from faithful zoochory to alternatives, with a trade off between agent restriction and seed size and another trade off between parental investment and seed-predation risk.
Starting Page	371
Ending Page	383
Page Count	13
File Format	PDF
ISSN	09123814
Journal	Ecological Research
Volume Number	14
Issue Number	4
e-ISSN	14401703
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	African tropical forest fruit syndrome fruiting phenology recruitment zoochory Behavioural Sciences Ecology Evolutionary Biology Forestry Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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