Effects of prescribed fire on prairie arthropods: An enclosure study

M. G. Harper, C. H. Dietrich, R. L. Larimore, P. A. Tessene

Research output: Contribution to journalArticle

Abstract

We assessed the relative contributions of in situ survival and recolonization to overall recovery of arthropod populations following prescribed fire by monitoring arthropod morphospecies richness and abundance in enclosed and open plots in adjacent burned and unburned units within two remnant Illinois prairies. Vacuum sampling of arthropods at semimonthly intervals following spring burns at each site indicated that fire strongly depressed arthropod abundance initially, but that abundance and species richness tended to recover toward the end of the summer, mostly due to recolonization from adjacent unburned refuges. Nevertheless, arthropod groups (taxa or guilds) were affected differently by fire, and differences in arthropod species composition among burned and unburned plots persisted. Sampled arthropod groups significantly reduced by fire at one or both study sites included springtails (Collembola), deltocephaline leafhoppers (Homoptera: Cicadellidae: Deltocephalinae), aphids (Homoptera: Aphididae), delphacid planthoppers (Homoptera: Delphacidae), parasitoid wasps (Hymenoptera), and spiders (Araneae). Only one group, typhlocybine leafhoppers (Homoptera: Cicadellidae: Typhlocybinae), exhibited a significant positive response to fire. These results indicate that in situ populations of many arthropod species are substantially reduced by prescribed fire. Thus, to preserve native arthropod faunas, land managers should ensure that unburned refuges are maintained and that the intervals between burns are sufficient to allow recolonization of burned areas to occur.

Original languageEnglish (US)
Pages (from-to)325-335
Number of pages11
JournalNatural Areas Journal
Volume20
Issue number4
StatePublished - Nov 9 2000

Fingerprint

prescribed burning
prairies
arthropod
prairie
arthropods
Cicadellidae
Homoptera
recolonization
Delphacidae
Collembola
refuge
Araneae
planthopper
effect
species diversity
Aphididae
guild
wasp
parasitoid
spider

Keywords

  • Arthropods
  • Insects
  • Management effects
  • Prescribed burning
  • Recolonization

ASJC Scopus subject areas

  • Ecology
  • Nature and Landscape Conservation

Cite this

Harper, M. G., Dietrich, C. H., Larimore, R. L., & Tessene, P. A. (2000). Effects of prescribed fire on prairie arthropods: An enclosure study. Natural Areas Journal, 20(4), 325-335.

Effects of prescribed fire on prairie arthropods : An enclosure study. / Harper, M. G.; Dietrich, C. H.; Larimore, R. L.; Tessene, P. A.

In: Natural Areas Journal, Vol. 20, No. 4, 09.11.2000, p. 325-335.

Research output: Contribution to journalArticle

Harper, MG, Dietrich, CH, Larimore, RL & Tessene, PA 2000, 'Effects of prescribed fire on prairie arthropods: An enclosure study', Natural Areas Journal, vol. 20, no. 4, pp. 325-335.
Harper, M. G. ; Dietrich, C. H. ; Larimore, R. L. ; Tessene, P. A. / Effects of prescribed fire on prairie arthropods : An enclosure study. In: Natural Areas Journal. 2000 ; Vol. 20, No. 4. pp. 325-335.
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