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Comparison of three fruit census methods in French Guiana

Published online by Cambridge University Press:  10 July 2009

Shu-Yi Zhang
Affiliation:
CNRS URA 1183, Muséum National d'Histoire Naturelle, Laboratoire d'Ecologie Générate, 4 avenue du Petit-Château, 91800 Brunoy, France
Li-Xin Wang
Affiliation:
Department of Environment, North-East Normal University, Ji-Lin, P.R., China

Abstract

Three census methods for studying fruiting phenology and fruit production were compared: platform observation, fruit-trap collection and raked-ground survey. The estimation of fresh fruit mass varied greatly with the census method used. Moreover, the fruiting phenology recorded using the fruit-trap collection and raked-ground survey methods showed a delay of one to two months compared with the platform observation method. Any of the three methods can be used for the approximation of annual fruiting phenology, but that of fruit-trap collection is suited to measure the annual fruit production, and that of platform observation offers the best estimation of the quantity of fruit in tree crowns at a given time.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1995

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