Document


Title

Impacts of burning on primary productivity of Festuca and Stipa-Agropyron grasslands in central Saskatchewan
Document Type: Journal Article
Author(s): R. E. Redmann; J. T. Romo; B. Pylypec
Publication Year: 1993

Cataloging Information

Keyword(s):
  • Agropyron
  • Agropyron dasystachyum
  • Aster ericoides
  • Astragalus dasyglottis
  • biomass
  • Canada
  • droughts
  • Festuca
  • Festuca scabrella
  • field experimental fires
  • forbs
  • fuel inventory
  • fuel loading
  • grasslands
  • grazing
  • land management
  • litter
  • mesic soils
  • microclimate
  • mosaic
  • natural areas management
  • nitrogen
  • nutrient cycling
  • plant communities
  • plant growth
  • post fire recovery
  • prairies
  • precipitation
  • range management
  • Saskatchewan
  • Scabrella
  • season of fire
  • shrubs
  • soil moisture
  • Stipa
  • Stipa curtiseta
  • trapping
  • water
  • wilderness areas
  • xeric soils
Record Maintained By:
Record Last Modified: June 1, 2018
FRAMES Record Number: 35169
Tall Timbers Record Number: 9464
TTRS Location Status: In-file
TTRS Call Number: Journals-A
TTRS Abstract Status: Okay, Fair use, Reproduced by permission

This bibliographic record was either created or modified by the Tall Timbers Research Station and Land Conservancy and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of the Tall Timbers Research Station and Land Conservancy.

Description

Grassland communities dominated by Festuca scabrella or by Stipa curtiseta and Agropyron dasystachyum were burned experimentally in spring or autumn. Forb, shrub and graminoid biomasses were greater in the unburned Festuca community than in the Stipa-Agropyron type. Spring and autumn burning delayed early season growth of graminoids in both grassland types in the 1st growing season after fire. Peak green biomass was reached later in the season in burned plots relative to reference areas. Plant growth in the spring of the 2nd yr after fire was more rapid in burned plots and peak biomass was reached earlier than in the reference plots. Autumn burning reduced forb biomass significantly early in the growing season during 1 of 3 yr that this parameter was measured. No effect of burning on shrub biomass was detected. Autumn and spring burning of Festuca grassland reduced peak, green, graminoid biomass production in the 1st and 2nd yr after fire; autumn burning had the most negative effect. Reductions in graminoid biomass after burning Stipa-Agropyron stands were smaller than in the Festuca community. Nitrogen concentrations in F. scabrella shoots regrown after fire were higher than those from the reference areas. Soil water content during the growing season, and snow trapping were reduced by burning. Peak green biomass and total graminoid biomass in Festuca grassland recovered to the level of the reference plots 2-3 yr after burning. Recovery was slower in the Stipa-Agropyron community. © American Midland Naturalist. Abstract reproduced by permission.

Online Link(s):
Citation:
Redmann, R. E., J. T. Romo, and B. Pylypec. 1993. Impacts of burning on primary productivity of Festuca and Stipa-Agropyron grasslands in central Saskatchewan. American Midland Naturalist, v. 130, no. 2, p. 262-273.