Effects of fire on Phragmites australis (Cav.) trin. ex steudel and associated species at Delta Marsh, Manitoba / Donald James Thompson
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TextPublication details: Winnipeg, MB : University of Manitoba, 1981.Description: xx, 199 leaves : ill. ; 28 cmOnline resources: Abstract: In Delta Marsh, the responses of a Phragmites australis dominated community were monitored after prescribed burning performed in the spring, summer and fall. The aerial standing crop produced by Phragmites australis in 1979 in this stand was similar to that reported for similar habitats in other temperate regions. Much of the within stand variation in P. australis performance was explained with reference to a soil moisture gradient within the stand and to the uneven age structure of the stand at different parts of the gradient. P. australis accounted for 91% of the aerial standing crop of the community, which contained seven substorey species. To a greater degree than that of the dominant the performance of the substorey species was related to the moisture gradient. Two upland species (Cirsium arvense and Urtica dioica)occurred more frequently in the drier part of the stand but labiates such as Lycopus asper, Mentha arvensis and Teucrium occidentale were more frequent at intermediate
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Thesis(M.Sc.)--University of Manitoba, 1981.
Includes bibliographical references.
In Delta Marsh, the responses of a Phragmites australis dominated community were monitored after prescribed burning performed in the spring, summer and fall. The aerial standing crop produced by Phragmites australis in 1979 in this stand was similar to that reported for similar habitats in other temperate regions. Much of the within stand variation in P. australis performance was explained with reference to a soil moisture gradient within the stand and to the uneven age structure of the stand at different parts of the gradient. P. australis accounted for 91% of the aerial standing crop of the community, which contained seven substorey species. To a greater degree than that of the dominant the performance of the substorey species was related to the moisture gradient. Two upland species (Cirsium arvense and Urtica dioica)occurred more frequently in the drier part of the stand but labiates such as Lycopus asper, Mentha arvensis and Teucrium occidentale were more frequent at intermediate