Short Communication


, Volume 83, Issue 2, pp 288-290

First online:

Dispersal and predation in alien Acacia

  • P. M. HolmesAffiliated withDepartment of Botany, University of Cape Town

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I investigated seed removal in the litter layer of alien Acacia stands at bimonthly intervals throughout one year. Both ants (dispersers) and rodents (predators) removed significant quantities of seeds and may compete for seeds in low density Acacia stands. Seed removal from depots was greatest prior to seed-fall (Sept.–Nov.) and lowest during seed-fall (Jan.–Mar.). As rodents may consume a large proportion of the annual seed production at low Acacia densities, I propose that ants have played a critical role in accumulating Acacia seed banks.

Key words

Ants Myrmecochory Rodents Acacia cyclops Acacia saligna