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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Dasylirion wheeleri | Wheeler Sotol
 

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FIRE EFFECTS

SPECIES: Dasylirion wheeleri | Wheeler Sotol
IMMEDIATE FIRE EFFECT ON PLANT : The ability of Wheeler sotol to survive fire is dependent upon the frequency and intensity of fire. Severe fires can greatly reduce Wheeler sotol. On burnt sites in the desert grasslands of Arizona, White [22] reported that all of the moderately or lightly fire damaged plants survived the fire while only 3 percent of the severely damaged plants survived. Eleven and a half months after a fire in a semidesert grassland near the Sierrita Mountains, Arizona, mortality of Wheeler sotol was 47 percent on burnt sites and 0 percent on the control site [19]. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : Wheeler sotol populations may suffer high mortality after a severe fire. However, if the plant survives, it may sprout from a short aboveground caudex [19,22]. After a semidesert grassland fire in southern Arizona, the 71 Wheeler sotol plants that survived had apical regrowth. No seedlings were found even after 11 postfire months [19]. DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : NO-ENTRY FIRE MANAGEMENT CONSIDERATIONS : Wheeler sotol occurs in desert grasslands which are being increasingly managed by using fire [19]. In these areas, fire is primarily used to reverse dense scrub invasion and stimulate grass production. Control of Wheeler sotol would vary with the conditions and type of burn [22].

Related categories for Species: Dasylirion wheeleri | Wheeler Sotol

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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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