DOI: 10.1111/j.1442-9993.1985.tb00859.x. Temporal and spatial variability in insect grazing of the canopies of five Australian rainforest tree species

Temporal and spatial variability in insect grazing of the canopies of five Australian rainforest tree species

10.1111/j.1442-9993.1985.tb00859.x

Crossref journal-article

Wiley

Australian Journal of Ecology (311)

Abstract

AbstractHerbivory was measured monthly for 2 years on leaves of permanently marked replicate branches in the canopies of five Australian rainforest tree species. Variability in insect grazing activities was evident with respect to several factors: leafage — young leaves were preferred over older leaf tissue: height — leaves closer to ground level were more heavily grazed: light — shade leaves were preferred to sun leaves: time — grazing was intense during spring and summer months, and almost negligible during autumn and winter, but was cumulatively similar between the 2 years: space — grazing was extremely variable on small spatial scales such as between individual leaves and branches, but similar where hundreds of leaves were pooled on larger scales between individual canopies and among geographically different sites: tree abundance — grazing was heavier at sites where a tree species was common than where it was rare: host tree species. Long term observations resulted in higher but more accurate estimates of herbivory since it was possible to quantify losses of leaves totally eaten, an event not accounted for infield methods of discrete sampling whereby leaves are merely harvested and measured for area missing. Variability in herbivory is discussed in terms of plant‐insect phenologies, plant defences, successional status of tree species, and insect behaviour.

Bibliography

LOWMAN, M. D. (1985). Temporal and spatial variability in insect grazing of the canopies of five Australian rainforest tree species. Australian Journal of Ecology, 10(1), 7â24. Portico.

Authors 1

M. D. LOWMAN (first)

References 44 Referenced 103

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Dates

Type	When
Created	19 years, 1 month ago (July 28, 2006, 8:15 p.m.)
Deposited	1 year, 10 months ago (Oct. 21, 2023, 5:45 p.m.)
Indexed	1 week, 1 day ago (Aug. 29, 2025, 6:40 a.m.)
Issued	40 years, 6 months ago (March 1, 1985)
Published	40 years, 6 months ago (March 1, 1985)
Published Online	19 years, 1 month ago (July 28, 2006)
Published Print	40 years, 6 months ago (March 1, 1985)

Funders 0

None

BibTeX

@article{LOWMAN_1985, title={Temporal and spatial variability in insect grazing of the canopies of five Australian rainforest tree species}, volume={10}, ISSN={0307-692X}, url={http://dx.doi.org/10.1111/j.1442-9993.1985.tb00859.x}, DOI={10.1111/j.1442-9993.1985.tb00859.x}, number={1}, journal={Australian Journal of Ecology}, publisher={Wiley}, author={LOWMAN, M. D.}, year={1985}, month=mar, pages={7–24} }

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