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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Pickeringia montana | Chaparral Pea
 

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FIRE EFFECTS

SPECIES: Pickeringia montana | Chaparral Pea
IMMEDIATE FIRE EFFECT ON PLANT : Moderate-severity fire usually top-kills chaparral pea [18]. Plant mortality due to such fire is low to intermediate [28]. The percentage of complete kill varies by season. Spring or early summer fire, when carbohydrate reserves are depleted by rapid topgrowth, causes higher mortality than does late summer or fall fire [18]. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : Data pertaining to postfire density, frequency, or growth rate of chaparral pea sprouts were not found in the literature. Sclerophyllous shrubs, including chaparral pea, typically sprout within a few weeks following fire [7]. Sprouts grow most rapidly after late summer or fall fires. Shrub canopy generally closes within 10 years postfire [18]. Postfire chaparral pea seedling recruitment appears to be scant. Zedler [27] initially stated that the species did not colonize burn areas. Later, he found that postfire colonization occurred but was rare [28]. One study of postfire recovery of mixed chaparral, conducted in southwest San Diego County, showed a density of 4.6 chaparral pea seedlings per square yard (3.8 plants/sq m) at the first postfire growing season. Seedling mortality was 64 percent in the first year [11]. DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : NO-ENTRY FIRE MANAGEMENT CONSIDERATIONS : Deer management: Prescribed spring fire was used successfully in Lake County to improve deer habitat. Openings and "edge" were created in formerly dense chaparral brush. Browse quality was improved by the sprouting of top-killed shrubs, including chaparral pea. A year following the fire, the ratio of fawns to does increased greatly, and weight gain in bucks was improved, especially in young animals [3].

Related categories for Species: Pickeringia montana | Chaparral Pea

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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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