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Seasonal Fluctuations in Rainfall, Food and Abundance of Tropical Insects
Journal of Animal Ecology
Vol. 47, No. 2 (Jun., 1978), pp. 369-381
Published by: British Ecological Society
Stable URL: http://www.jstor.org/stable/3789
Page Count: 13
You can always find the topics here!Topics: Dry seasons, Leaves, Rain, Rainy seasons, Forest insects, Nymphs, Insect traps, Forest ecology, Food availability, Insect ecology
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(1) Light trap data, covering over 3 years, are discussed for some groups of insects in the lowland tropical monsoon forest on Barro Colorado Island. The groups concerned are Homoptera, Tettigoniidae and Mantidae. (2) The data are compared with information on rainfall and leaf production. It is shown that, especially for those groups of Homoptera that have nymphs feeding on the foliage, there is a good relation between leaf production and the demography of the species concerned. (3) In all cases the data are discussed in general terms although data per species are available. (4) In some cases anomalies in the rainfall pattern, such as an inch or so of rain in early March, the mid dry season, has a strong positive effect on the populations through increasing leaf production, in other cases it may actually have a negative effect.
Journal of Animal Ecology © 1978 British Ecological Society