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FIRE ECOLOGY

SPECIES: Cirsium arvense | Canada Thistle

FIRE ECOLOGY OR ADAPTATIONS:


Canada thistle is adapted to both survive fire on site, and to colonize recently burned sites with exposed bare soil. The extensive root system gives it the ability to survive major disturbances as observed, for example, at Mt. St. Helens, where Canada thistle was part of the initial community after the 1980 eruption. It survived landslide and resprouted from root and stem fragments after the blast [2,45,217]. Similarly, the roots can survive fires of varying severity and produce new shoots [189]. Additionally, there are numerous examples from the literature where Canada thistle seedlings established from wind-deposited seed, anywhere from 2 to 9 years after fire [3,56,123,139,159,191,220,243].

Canada thistle may change the fire ecology of the site in which it occurs by its abundant, flammable aboveground biomass. For example, in boreal wet-meadows, Canada thistle has the potential to increase fire frequency and perhaps severity as a result of its abundant and readily ignited litter [100].

The following table provides some historic fire regime intervals for habitats in which Canada thistle may occur:

Community or Ecosystem Dominant Species Fire Return Interval Range (years)
silver fir-Douglas-fir Abies amabilis-Pseudotsuga menziesii var. menziesii > 200 
grand fir A. grandis 35-200 [9]
maple-beech-birch Acer-Fagus-Betula > 1000 
silver maple-American elm A. saccharinum-Ulmus americana < 35 to 200
sugar maple A. s. > 1000 
sugar maple-basswood A. s.-Tilia americana > 1000 [234]
bluestem prairie Andropogon gerardii var. gerardii-Schizachyrium scoparium < 10 [118,169]
Nebraska sandhills prairie A. g. var. paucipilus-S. s. < 10 
bluestem-Sacahuista prairie A. littoralis-Spartina spartinae < 10 
sagebrush steppe Artemisia tridentata/Pseudoroegneria spicata 20-70 [169]
basin big sagebrush A. t. var. tridentata 12-43 [192]
mountain big sagebrush A. t. var. vaseyana 20-60 [10,30]
Wyoming big sagebrush A. t. var. wyomingensis 10-70 (40**) [232,252]
coastal sagebrush A. californica < 35 to < 100
plains grasslands Bouteloua spp. < 35 
blue grama-needle-and-thread grass-western wheatgrass B. gracilis-Hesperostipa comata-Pascopyrum smithii < 35 
blue grama-buffalo grass B. g.-Buchloe dactyloides < 35 
cheatgrass Bromus tectorum < 10 
California montane chaparral Ceanothus and/or Arctostaphylos spp. 50-100 [169]
sugarberry-America elm-green ash Celtis laevigata-Ulmus americana-Fraxinus pennsylvanica < 35 to 200 [234]
curlleaf mountain-mahogany* Cercocarpus ledifolius 13-1000 [11,196]
mountain-mahogany-Gambel oak scrub C. l.-Quercus gambelii < 35 to < 100 
northern cordgrass prairie Distichlis spicata-Spartina spp. 1-3 [169]
beech-sugar maple Fagus spp.-Acer saccharum > 1000 [234]
California steppe Festuca-Danthonia spp. < 35 [169]
black ash Fraxinus nigra < 35 to 200 [234]
juniper-oak savanna Juniperus ashei-Quercus virginiana < 35 
Ashe juniper J. a. < 35 
western juniper J. occidentalis 20-70 
Rocky Mountain juniper J. scopulorum < 35 
tamarack Larix laricina 35-200 [169]
western larch L. occidentalis 25-100 [9]
yellow-poplar Liriodendron tulipifera < 35 [234]
wheatgrass plains grasslands Pascopyrum smithii < 35 [169]
Great Lakes spruce-fir Picea-Abies spp. 35 to > 200 
northeastern spruce-fir P.-A. spp. 35-200 [57]
Engelmann spruce-subalpine fir P. engelmannii-A. lasiocarpa 35 to > 200 [9]
black spruce P. mariana 35-200 
conifer bog* P. m.-Larix laricina 35-200 [57]
blue spruce* P. pungens 35-200 [9]
red spruce* P. rubens 35-200 [57]
pine-cypress forest Pinus-Cupressus spp. < 35 to 200 [9]
pinyon-juniper P.-Juniperus spp. < 35 [169]
whitebark pine* P. albicaulis 50-200 [9]
jack pine P. banksiana <35 to 200 [57]
Rocky Mountain lodgepole pine* P. contorta var. latifolia 25-300+ [8,9,188]
Sierra lodgepole pine* P. c. var. murrayana 35-200 [9]
shortleaf pine P. echinata 2-15 
shortleaf pine-oak P. e.-Quercus spp. < 10 [234]
Colorado pinyon P. edulis 10-49 [169]
South Florida slash pine P. elliottii var. densa 1-5 [157,234]
Jeffrey pine P. jeffreyi 5-30 
western white pine* P. monticola 50-200 
Pacific ponderosa pine* P. ponderosa var. ponderosa 1-47 
interior ponderosa pine* P. p. var. scopulorum 2-10 
Arizona pine P. p. var. arizonica 2-10 [9]
Table Mountain pine P. pungens < 35 to 200 [234]
red pine (Great Lakes region) P. resinosa 10-200 (10**) [57,72]
red-white-jack pine* P. r.-P. strobus-P. banksiana 10-300 [57,90]
pitch pine P. rigida 6-25 [29,91]
eastern white pine P. strobus 35-200 
eastern white pine-eastern hemlock P. s.-Tsuga canadensis 35-200 
eastern white pine-northern red oak-red maple P. s.-Quercus rubra-Acer rubrum 35-200 
loblolly pine P. taeda 3-8 
loblolly-shortleaf pine P. t.-P. echinata 10 to < 35 
Virginia pine P. virginiana 10 to < 35 
Virginia pine-oak P. v.-Quercus spp. 10 to < 35 [234]
eastern cottonwood Populus deltoides < 35 to 200 [169]
aspen-birch P. tremuloides-Betula papyrifera 35-200 [57,234]
quaking aspen (west of the Great Plains) P. t. 7-120 [9,82,142]
black cherry-sugar maple Prunus serotina-Acer saccharum > 1000 [234]
mountain grasslands Pseudoroegneria spicata 3-40 (10**) [8,9]
Rocky Mountain Douglas-fir* Pseudotsuga menziesii var. glauca 25-100 [9]
coastal Douglas-fir* P. m. var. menziesii 40-240 [9,154,184]
California mixed evergreen P. m. var. m.-Lithocarpus densiflorus-Arbutus m. < 35 
California oakwoods Quercus spp. < 35 [9]
oak-hickory Q.-Carya spp. < 35[234]
oak-juniper woodland (Southwest) Q.-Juniperus spp. < 35 to < 200 [169]
northeastern oak-pine Q.-Pinus spp. 10 to < 35 [234]
coast live oak Q. agrifolia <35 to 200 [9]
white oak-black oak-northern red oak Q. alba-Q. velutina-Q. rubra < 35 [234]
canyon live oak Q. chrysolepis <35 to 200
blue oak-foothills pine Q. douglasii-P. sabiana <35 [9]
northern pin oak Q. ellipsoidalis < 35 [234]
Oregon white oak Q. garryana < 35 [9]
bear oak Q. ilicifolia < 35 >[234]
California black oak Q. kelloggii 5-30 [169
bur oak Q. macrocarpa < 10 
chestnut oak Q. prinus 3-8 
northern red oak Q. rubra 10 to < 35 
post oak-blackjack oak Q. stellata-Q. marilandica < 10 
black oak Q. velutina < 35 
live oak Q. virginiana 10 to< 100 [234]
interior live oak Q. wislizenii < 35 [9]
blackland prairie Schizachyrium scoparium-Nassella leucotricha < 10 
Fayette prairie S. s.-Buchloe dactyloides < 10 
little bluestem-grama prairie S. s.-Bouteloua spp. < 35 
tule marshes Scirpus and/or Typha spp. < 35 [169]
redwood Sequoia sempervirens 5-200 [9,62,210]
western redcedar-western hemlock Thuja plicata-Tsuga heterophylla > 200 [9]
eastern hemlock-yellow birch T. canadensis-Betula alleghaniensis > 200 [234]
western hemlock-Sitka spruce T. h.-Picea sitchensis > 200 
mountain hemlock* T. mertensiana 35 to > 200 [9]
elm-ash-cottonwood Ulmus-Fraxinus-Populus spp. < 35 to 200 [57,234]
*fire return interval varies widely; trends in variation are noted in the species summary
**mean

POSTFIRE REGENERATION STRATEGY [206]:


Geophyte, growing points deep in soil
Ground residual colonizer (on-site, initial community)
Initial off-site colonizer (off-site, initial community)

Related categories for SPECIES: Cirsium arvense | Canada Thistle

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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