Entomology, Department of

 

Document Type

Article

Date of this Version

11-1986

Citation

Ecological Entomology 11:4 (November 1986), pp. 379–385.

doi: 10.1111/j.1365-2311.1986.tb00316.x

Comments

Copyright © 1986 Royal Entomological Society; published by Wiley. Used by permission.

Abstract

1. Temporal constancy in the structure of grasshopper assemblies (about forty-five species each) from two types of North American grasslands was assessed; one site was followed 25 years and the other 7 years.

2. Densities and relative abundances varied but composition of assemblies based on ranks suggested significant structure when three or more species were included in the analysis.

3. Results compared favorably with other insect herbivore assemblies which have been examined; variability in population change was intermediate along the spectrum of organisms which have been studied.

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