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Type: Journal Article
Author(s): Barbara Bergstedt; Gerald J. Niemi
Publication Date: 1974

[from the text] Two breeding bird population studies were conducted in the 1971 Little Sioux burn of the Boundary Waters Canoe Area. Comparative results of the two study plots indicates no drastic change in population levels two years after the fire. Based on the research conducted in unburned communities previously cited, however, it is plausible to assume the population is not as high as it would be if the fire had never occurred. The species content of both plots was drastically changed from what would be expected in a normal aspen or jack pine stand. Once again these changes would be expected and attributed to the fires destruction of the predominant vegetation. The species changes would be considered temporary and indicative of the bird composition in a brush or seedling stage of plant succession. Weighing the pros and cons of forest fire as a means of revitalizing a mature, sterile forest is not the scope of this article; however, a minor discussion is necessary. It seems workable to assume fire as an agent to regenerate a forest ecosystem from an ornithological viewpoint as long as the fire does not occur during the breeding season. This general conclusion is very inconclusive because a great amount of data must be accumulated in relation to broader censusing programs of burned communities, more detailed vegetation analysis, and the alternative of harvesting the lumber by either clear cutting or selective logging. Needless to say, more research is badly needed on avian populations before and after forest fires. Equally so, more quantitative and qualitative research is needed throughout Minnesota. There is much data on types of birds nesting in Minnesota, migrating through Minnesota, and wintering in Minnesota; but, there is absolutely minimal data as to how many birds are nesting and in what types of habitats they are nesting. Why do we need more data on population levels? This can be answered in a large number of ways. What kind of habitats house the most species in diversity and numbers? What are some limiting factors affecting avian populations and individual species? What constitutes a good breeding season? These are some of the questions which remain unanswered. We the authors would like to find the answers to some of these questions. Possibly through individual motivation or local group sponsorship more breeding bird census plots could be established.

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Citation: Bergstedt, Barbara; Niemi, Gerald J. 1974. A comparison of two breeding bird censuses following the Little Sioux Forest Fire. The Loon 46(1):28-33.

Cataloging Information

Regions:
Keywords:
  • Acer rubrum
  • breeding birds
  • jack pine
  • Little Sioux Fire
  • Minnesota
  • Picea glauca
  • Pinus banksiana
  • Populus spp.
  • red maple
  • white spruce
Record Last Modified:
Record Maintained By: FRAMES Staff (https://www.frames.gov/contact)
FRAMES Record Number: 18675