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Seed predation in a tropical mangrove forest: a test of the dominance-presation model in northern Australia

McGuinness, Keith A. (1997). Seed predation in a tropical mangrove forest: a test of the dominance-presation model in northern Australia. Journal of Tropical Ecology,13(2):293-302.

Document type: Journal Article
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Title Seed predation in a tropical mangrove forest: a test of the dominance-presation model in northern Australia
Author McGuinness, Keith A.
Journal Name Journal of Tropical Ecology
Publication Date 1997
Volume Number 13
Issue Number 2
ISSN 0266-4674   (check CDU catalogue  open catalogue search in new window)
Start Page 293
End Page 302
Total Pages 10
Place of Publication Cambridge, U.K
Publisher Cambridge University Press
HERDC Category C1 - Journal Article (DEST)
Abstract Studies of predation on propagules of the mangroves Avicennia marina, Bruguiera exaristata, Ceriops tagal and Rhizophora stylosa were made in a forest in northern Australia to test the generality of the dominance-predation model. This model states that an inverse relationship exists between the dominance of a species in the canopy of mangrove forests and the rate of predation on the propagules of that species Significant differences in predation were found among the four species, and among patches of forest dominated by the different species. Predators attacked more than 50% of the propagules of all species except R stylosa, so are likely to significantly affect forest structure. The intensity of predation did not, however, vary as the dominance-predation model predicted. Instead, predation on the propagules of a species appeared to depend on the availability of propagules of other, more highly preferred, species.
Keywords Avicennia
Bruguiera
Ceriops
crabs
intertidal mangroves
Rhizophora
seed predation
tree dominance
DOI http://dx.doi.org/10.1017/S0266467400010464   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)


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