Proximity is not a proxy for parentage in an animal-dispersed Neotropical canopy palm

U U Sezen; Robin L Chazdon; K E Holsinger

doi:10.1098/rspb.2008.1793

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Proximity is not a proxy for parentage in an animal-dispersed Neotropical canopy palm

Journal article

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Proximity is not a proxy for parentage in an animal-dispersed Neotropical canopy palm

U U Sezen, Robin L Chazdon and K E Holsinger

Proceedings. Biological sciences, Vol.276(1664), pp.2037-2044

2009

DOI: https://doi.org/10.1098/rspb.2008.1793

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Abstract

parentage

Iriartea deltoidea

seedling recruitment

dispersal limitation

second-growth forests

seedling shadow

We used parentage analysis to estimate seedling recruitment distances and genetic composition of seedling patches centred around reproductive trees of the animal-dispersed Neotropical canopy palm Iriartea deltoidea in two 0.5 ha plots within second-growth forest and one 0.5 ha plot in adjacent old-growth forest at La Selva Biological Field Station in north-eastern Costa Rica. Seedlings were significantly spatially aggregated in all plots, but this pattern was not due to dispersal limitation. More than 70 per cent of seedlings were dispersed at least 50 m from parent trees. Few seedlings were offspring of the closest reproductive trees. Seedling patches observed beneath reproductive trees originate from dozens of parental trees. Observed patterns of seedling distribution and spatial genetic structure are largely determined by the behaviour of vertebrate seed dispersers rather than by spatial proximity to parental trees. © 2009 The Royal Society.

Details

Title: Proximity is not a proxy for parentage in an animal-dispersed Neotropical canopy palm
Authors: U U Sezen (Author) - University of Georgia, United States
Robin L Chazdon (Author) - University of Georgia, United States
K E Holsinger (Author) - University of Georgia, United States
Publication details: Proceedings. Biological sciences, Vol.276(1664), pp.2037-2044
Publisher: Royal Society Publishing
Date published: 2009
DOI: 10.1098/rspb.2008.1793
ISSN: 0962-8452
Organisation Unit: Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Research Institute
Language: English
Record Identifier: 99451294602621
Output Type: Journal article

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