On the adequacy of fruit removal as a proxy for fitness in studies of bird-mediated phenotypic selection.

Facundo X Palacio,Juan Francisco Cataudela,Diego Montalti,Mariano Ordano

American journal of botany（2023）

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摘要

Our results suggest that fruit removal can be reliably used as a proxy for total fitness when (1) there is a weak fruit number-seed number trade-off, (2) fruit crop size and fruit removal correlate positively, and (3) seed number variability does not largely exceed fruit number variability.

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Passiflora caerulea,Passifloraceae,bird frugivory,fitness components,fleshy fruits,natural selection,plant-animal interactions,seed dispersal,selection gradients

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