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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Amorpha canescens | Leadplant
 

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FIRE EFFECTS

SPECIES: Amorpha canescens | Leadplant
IMMEDIATE FIRE EFFECT ON PLANT : Leadplant is generally resistant to fire mortality. The aerial portion of the plant is most likely damaged or killed by fire, but underground parts survive. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : Available fire effects information indicates that leadplant is well adapted to disturbance by fire. Postfire recovery is generally rapid. Height, crown width, and cover have been shown to increase in response to fire [6]. Leadplant most likely recovers following fire via sprouting from rhizomes, the root crown, or roots. Some seedling establishment from seed stored on-site [20] or transported by animals is also possible, particularly on sites where fire has removed the litter and exposed bare mineral soil. DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : Several studies have compared prefire and postfire levels of leadplant. A remnant tallgrass prairie in eastern South Dakota dominated by Kentucky bluegrass (Poa pratensis) was burned in April and then again in May of the following year. Leadplant (listed as a forb on this site) increased dramatically following the first fire and then decreased after the second fire [5]. In the Black Hills of South Dakota, Gartner and Thompson [15] found that although leadplant frequency on their control was higher than on the burn plot before fire, frequency levels after the fire were nearly equal: PREFIRE POSTFIRE control burn control burn (% frequency) (% frequency) 13.0 6.0 45 44 Bock and Bock [6,7] studied the effects of fire on ponderosa forests in the southern Black Hills. Leadplant increased significantly in density, height, and crown width after spring and fall surface fires. It also increased dramatically after an intense crown fire in this type [See Fire Case Study for details]. Lowland and upland tallgrass prairie sites in the Flint Hills of Kansas were burned in mid- to late April. Leadplant cover increased on the lowland sites but remained unchanged on the upland sites. The upland soils were thin and well drained, while the lowland soils were deep, thick, colluvial and alluvial deposits with better water storage capabilities than the upland soils [1]. Site differences may have contributed to the different responses. FIRE MANAGEMENT CONSIDERATIONS : Late spring fires (aroung May 1) are recommended for increasing leadplant [2].

Related categories for Species: Amorpha canescens | Leadplant

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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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