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Fruit availability, frugivore satiation and seed removal in 2 primate-dispersed tree species

Integrative Zoology 2011年第3期6卷 178-194页

作者： sandra ratiarison Pierre-Michel FORGET Department of Ecology and Management of Biodiversity Museum of Natural History Museum(MNHN)BrunoyFrance and oological Society of London LibrevilleGabon

During a mast-fruiting event we investigated spatial variability in fruit availability,consumption,and seed removal at two sympatric tree species,Manilkara bidentata and ***(Sapotaceae)at Nouragues Natural Reserve,French *** addressed the question of how Manilkara density and fruits at the community level might be major causes of variability in feeding assemblages between tree *** thus explored how the frugivore assemblages differed between forest patches with contrasting relative Manilkara density and fruiting *** the daytime,Alouatta seniculus was more often observed in *** crowns at Petit Plateau(PP)with the greatest density of Manilkara *** the lowest fruit diversity and availability,whereas Cebus apella and Saguinus midas were more often observed in *** crowns at both Grand Plateau(GP),with a lowest density of *** and overall greater fruit supply,and ***,nearly 53%and 15%of the *** seed crop at GP and PP,respectively,and about 47%of the *** seed crop were removed,otherwise either spit out or defecated beneath trees,or dropped in ***-bodied primates concentrated fallen seeds beneath parent trees while large-bodied primate species removed and dispersed more seeds away from ***,among the latter,satiated *** wasted seeds under conspecific trees at *** in feeding assemblages,seed removal rates and fates possibly reflected interactions with extra-generic fruit species at the community level,according to feeding choice,habitat preferences and ranging patterns of primate species.

关键词： frugivores masting primates satiation seed dispersal

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