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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Cornus canadensis | Bunchberry
 

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FIRE EFFECTS

SPECIES: Cornus canadensis | Bunchberry
IMMEDIATE FIRE EFFECT ON PLANT : Aboveground plant parts are killed by fire. The underground rhizomes can survive all but severe fires that remove the duff and heat the upper soil for an extended period [22,23,59]. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : Postfire frequency of bunchberry is usually similar to prefire frequency, with only a slight decrease or increase [83]. By 3 to 5 years after fire in Maine and in black spruce forests of southeastern Labrador, the frequency of bunchberry decreased slightly, but rapid growth led to a dramatic increase in cover and flower production [28,87]. After logging in Alaskan western hemlock and Sitka spruce, bunchberry had higher cover in burned plots than in unburned plots [44]. Bunchberry usually responds to fire by rhizome sprouting rather than by seedling establishment from buried seed [63]. Following spring fire and less severe summer fires bunchberry readily sprouts from rhizomes, but it does not do as well after severe fires that remove organic horizons down to mineral soil [1,67]. Bunchberry increased its cover by the second postfire year after logging and prescribed burning in Minnesota jack pine stands [2]. However, following a severe fire, bunchberry cover will decrease sharply at first and then increase slowly. Bunchberry may also disappear after severe fire [3]. The timing of the fire is important. Following light spring and summer prescribed burns in New Brunswick mixed forests, density of bunchberry had increased over prefire density within 3-4 months. Recovery was slower following light fall burns [24]. A survey of burns following logging in Nova Scotia gave the following results for bunchberry [58]: Age of Burn Severity of Burn Density Cover Frequency 1 year severe 1.5 ----- 5.3 2 years light 27.0 ----- 50.0 6 years light 1.4 ----- 20.0 9 years unknown 0.2 ----- 12.0 10 years unknown ----- 0.3 5.7 22 years light ----- 0.55 50.0 29 years light ----- ----- ---- 40 years light ----- 1.0 76.0 DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : NO-ENTRY FIRE MANAGEMENT CONSIDERATIONS : NO-ENTRY

Related categories for Species: Cornus canadensis | Bunchberry

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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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